# frozen_string_literal: true

require "spec_helper"

describe Commonmeta::Metadata, vcr: true do
  subject { described_class.new(input: input) }

  let(:input) { "#{fixture_path}crossref.json" }

  context "get crossref raw" do
    it "journal article" do
      expect(subject.raw).to eq(File.read(input).strip)
    end
  end

  context "get crossref metadata" do
    it "DOI with data citation" do
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.7554/elife.01567")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.url).to eq("https://elifesciences.org/articles/01567")
      expect(subject.contributors.length).to eq(5)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"],
                                               "givenName" => "Martial", "familyName" => "Sankar", "affiliation" => [{ "name" => "Department of Plant Molecular Biology, University of Lausanne, Lausanne, Switzerland" }])
      expect(subject.license).to eq("id" => "CC-BY-3.0",
                                    "url" => "https://creativecommons.org/licenses/by/3.0/legalcode")
      expect(subject.titles).to eq([{ "title" => "Automated quantitative histology reveals vascular morphodynamics during Arabidopsis hypocotyl secondary growth" }])
      expect(subject.date).to eq("published" => "2014-02-11", "updated" => "2022-03-26")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/4374",
                                      "name" => "eLife Sciences Publications, Ltd")
      expect(subject.container).to eq("identifier" => "2050-084X",
                                      "identifierType" => "ISSN", "title" => "eLife", "type" => "Journal", "volume" => "3")
      expect(subject.references.length).to eq(27)
      expect(subject.references.last).to eq("containerTitle" => "Nature Cell Biology",
                                            "contributor" => "Yin",
                                            "doi" => "https://doi.org/10.1038/ncb2764",
                                            "firstPage" => "860",
                                            "key" => "bib27",
                                            "publicationYear" => "2013",
                                            "title" => "A screen for morphological complexity identifies regulators of switch-like transitions between discrete cell shapes",
                                            "volume" => "15")
      expect(subject.funding_references).to eq([{ "funderName" => "SystemsX" },
                                                { "funderName" => "EMBO longterm post-doctoral fellowships" },
                                                { "funderName" => "Marie Heim-Voegtlin" },
                                                { "funderIdentifier" => "https://doi.org/10.13039/501100006390",
                                                  "funderIdentifierType" => "Crossref Funder ID",
                                                  "funderName" => "University of Lausanne" },
                                                { "funderName" => "SystemsX" },
                                                { "funderIdentifier" => "https://doi.org/10.13039/501100003043",
                                                  "funderIdentifierType" => "Crossref Funder ID",
                                                  "funderName" => "EMBO" },
                                                { "funderIdentifier" => "https://doi.org/10.13039/501100001711",
                                                  "funderIdentifierType" => "Crossref Funder ID",
                                                  "funderName" => "Swiss National Science Foundation" },
                                                { "funderIdentifier" => "https://doi.org/10.13039/501100006390",
                                                  "funderIdentifierType" => "Crossref Funder ID",
                                                  "funderName" => "University of Lausanne" }])
      expect(subject.provider).to eq("Crossref")
    end

    it "journal article" do
      input = "https://doi.org/10.1371/journal.pone.0000030"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1371/journal.pone.0000030")
      expect(subject.url).to eq("https://dx.plos.org/10.1371/journal.pone.0000030")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(6)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"],
                                               "givenName" => "Markus", "familyName" => "Ralser")
      expect(subject.contributors.last).to eq({ "familyName" => "Janbon",
                                                "givenName" => "Guilhem", "type" => "Person", "contributorRoles" => ["Editor"] })
      expect(subject.titles).to eq([{ "title" => "Triose Phosphate Isomerase Deficiency Is Caused by Altered Dimerization–Not Catalytic Inactivity–of the Mutant Enzymes" }])
      expect(subject.license).to eq("id" => "CC-BY-4.0",
                                    "url" => "https://creativecommons.org/licenses/by/4.0/legalcode")
      expect(subject.date).to eq("published" => "2006-12-20", "updated" => "2021-08-06")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/340",
                                      "name" => "Public Library of Science (PLoS)")
      expect(subject.references.length).to eq(73)
      expect(subject.references.last).to eq("containerTitle" => "N Engl J Med", "contributor" => "KB Hammond",
                                            "doi" => "https://doi.org/10.1056/nejm199109123251104",
                                            "firstPage" => "769",
                                            "key" => "ref73",
                                            "publicationYear" => "1991",
                                            "title" => "Efficacy of statewide neonatal screening for cystic fibrosis by assay of trypsinogen concentrations.", "volume" => "325")
      expect(subject.container).to eq("firstPage" => "e30", "identifier" => "1932-6203",
                                      "identifierType" => "ISSN", "issue" => "1", "title" => "PLoS ONE", "type" => "Journal", "volume" => "1")
      expect(subject.provider).to eq("Crossref")
    end

    it "journal article with funding" do
      input = "10.3389/fpls.2019.00816"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.3389/fpls.2019.00816")
      expect(subject.url).to eq("https://www.frontiersin.org/article/10.3389/fpls.2019.00816/full")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(4)
      expect(subject.contributors.first).to eq("type" => "Person", "familyName" => "Fortes",
                                               "givenName" => "Ana Margarida", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Transcriptional Modulation of Polyamine Metabolism in Fruit Species Under Abiotic and Biotic Stress" }])
      expect(subject.license).to eq("id" => "CC-BY-4.0",
                                    "url" => "https://creativecommons.org/licenses/by/4.0/legalcode")
      expect(subject.date).to eq("published" => "2019-07-02", "updated" => "2019-09-22")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/1965",
                                      "name" => "Frontiers Media SA")
      expect(subject.funding_references).to eq([{ "awardNumber" => "CA17111",
                                                  "funderIdentifier" => "https://doi.org/10.13039/501100000921", "funderIdentifierType" => "Crossref Funder ID", "funderName" => "COST (European Cooperation in Science and Technology)" }])
      expect(subject.references.length).to eq(70)
      expect(subject.references.first).to eq("containerTitle" => "Plant Physiol. Biochem.",
                                             "contributor" => "Agudelo-Romero",
                                             "doi" => "https://doi.org/10.1016/j.plaphy.2013.11.002",
                                             "firstPage" => "141",
                                             "key" => "ref1",
                                             "publicationYear" => "2014",
                                             "title" => "Perturbation of polyamine catabolism affects grape ripening of Vitis vinifera cv. Trincadeira",
                                             "volume" => "74")
      expect(subject.references.last).to eq("containerTitle" => "Acta Hortic.",
                                            "contributor" => "Zheng",
                                            "doi" => "https://doi.org/10.17660/actahortic.2004.632.41",
                                            "firstPage" => "317",
                                            "key" => "ref70",
                                            "publicationYear" => "2004",
                                            "title" => "Effects of polyamines and salicylic acid on postharvest storage of “Ponkan” mandarin",
                                            "volume" => "632")
      expect(subject.container).to eq("identifier" => "1664-462X",
                                      "identifierType" => "ISSN", "title" => "Frontiers in Plant Science", "type" => "Journal", "volume" => "10")
      expect(subject.provider).to eq("Crossref")
    end

    it "journal article original language title" do
      input = "https://doi.org/10.7600/jspfsm.56.60"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be false
      expect(subject.errors).to eq(["property '/contributors' is invalid: error_type=minItems"])
      expect(subject.id).to eq("https://doi.org/10.7600/jspfsm.56.60")
      expect(subject.url).to eq("https://www.jstage.jst.go.jp/article/jspfsm/56/1/56_1_60/_article/-char/ja")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.empty?).to be true
      expect(subject.titles).to eq([{ "title" => ":(unav)" }])
      expect(subject.date).to include("published" => "2007", "updated" => "2021-05-20")
      expect(subject.references.length).to eq(7)
      expect(subject.references.first).to eq("doi" => "https://doi.org/10.1111/j.1469-7793.2000.00407.x",
                                             "key" => "1")
      expect(subject.container).to eq("firstPage" => "60", "identifier" => "1881-4751",
                                      "identifierType" => "ISSN", "issue" => "1", "lastPage" => "60", "title" => "Japanese Journal of Physical Fitness and Sports Medicine", "type" => "Journal", "volume" => "56")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/4426",
                                      "name" => "The Japanese Society of Physical Fitness and Sports Medicine")
      expect(subject.provider).to eq("Crossref")
    end

    it "journal article with RDF for container" do
      input = "https://doi.org/10.1163/1937240X-00002096"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1163/1937240x-00002096")
      expect(subject.url).to eq("https://academic.oup.com/jcb/article-lookup/doi/10.1163/1937240X-00002096")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(8)
      expect(subject.contributors.first).to eq("familyName" => "Escrivà",
                                               "givenName" => "Andreu", "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Global distribution of Fabaeformiscandona subacuta: an exotic invasive Ostracoda on the Iberian Peninsula?" }])
      expect(subject.date).to include("published" => "2012-01-01")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/286",
                                      "name" => "Oxford University Press (OUP)")
      expect(subject.references.length).to eq(111)
      expect(subject.references.first).to eq("containerTitle" => "Rozpravy Ceskoslovenske Akademie Ved, Rada Matematickych A Prirodnich Ved",
                                             "contributor" => "Absolon",
                                             "firstPage" => "1",
                                             "issue" => "5",
                                             "key" => "bibr1",
                                             "publicationYear" => "1978",
                                             "title" => "Die Gattung Candonaim Quartar von Europa",
                                             "volume" => "88")
      expect(subject.container).to eq("firstPage" => "949", "identifier" => "1937-240X",
                                      "identifierType" => "ISSN", "issue" => "6", "lastPage" => "961", "title" => "Journal of Crustacean Biology", "type" => "Journal", "volume" => "32")
      expect(subject.provider).to eq("Crossref")
    end

    it "book chapter with RDF for container" do
      input = "https://doi.org/10.1007/978-3-642-33191-6_49"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1007/978-3-642-33191-6_49")
      expect(subject.url).to eq("http://link.springer.com/10.1007/978-3-642-33191-6_49")
      expect(subject.type).to eq("BookChapter")
      expect(subject.contributors.length).to eq(3)
      expect(subject.contributors.first).to eq("familyName" => "Chen", "givenName" => "Lili",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Human Body Orientation Estimation in Multiview Scenarios" }])
      expect(subject.date).to eq("published" => "2012", "updated" => "2020-11-24")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.references.length).to eq(11)
      expect(subject.references.first).to eq("key" => "49_CR1",
                                             "unstructured" => "Khan, S., Javed, O., Rasheed, Z., Shah, M.: Human tracking in multiple cameras. In: Proceedings of the 8th IEEE International Conference on Computer Vision, Vancouver, Canada, pp. 331–336 (2001)")
      expect(subject.container).to eq("identifier" => "1611-3349", "identifierType" => "ISSN",
                                      "title" => "Advances in Visual Computing", "type" => "Book", "firstPage" => "499", "lastPage" => "508")
      expect(subject.provider).to eq("Crossref")
    end

    it "posted_content" do
      input = "https://doi.org/10.1101/097196"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("http://biorxiv.org/lookup/doi/10.1101/097196")
      expect(subject.type).to eq("Article")
      expect(subject.contributors.count).to eq(11)
      expect(subject.contributors.last).to eq("id" => "https://orcid.org/0000-0003-4060-7360",
                                              "givenName" => "Timothy", "familyName" => "Clark", "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "A Data Citation Roadmap for Scholarly Data Repositories" }])
      expect(subject.id).to eq("https://doi.org/10.1101/097196")
      expect(subject.descriptions.first["description"]).to start_with("AbstractThis article presents a practical roadmap")
      expect(subject.date).to eq("published" => "2016-12-28", "updated" => "2020-01-18")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/246",
                                      "name" => "Cold Spring Harbor Laboratory")
      expect(subject.container.empty?).to be(true)
      expect(subject.provider).to eq("Crossref")
    end

    it "peer review" do
      input = "10.7554/elife.55167.sa2"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("https://elifesciences.org/articles/55167")
      expect(subject.type).to eq("PeerReview")
      expect(subject.contributors.count).to eq(8)
      expect(subject.contributors.last).to eq("type" => "Person", "contributorRoles" => ["Author"], "affiliation" => [{ "name" => "Center for Computational Mathematics, Flatiron Institute, New York, United States" }],
                                              "familyName" => "Barnett",
                                              "givenName" => "Alex H")
      expect(subject.titles).to eq([{ "title" => "Author response: SpikeForest, reproducible web-facing ground-truth validation of automated neural spike sorters" }])
      expect(subject.id).to eq("https://doi.org/10.7554/elife.55167.sa2")
      expect(subject.alternate_identifiers.empty?).to be(true)
      expect(subject.descriptions.empty?).to be(true)
      expect(subject.date).to eq("published" => "2020-04-29", "updated" => "2020-05-19")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/4374",
                                      "name" => "eLife Sciences Publications, Ltd")
      expect(subject.provider).to eq("Crossref")
    end

    it "dissertation" do
      input = "10.14264/uql.2020.791"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("http://espace.library.uq.edu.au/view/UQ:23a1e74")
      expect(subject.type).to eq("Dissertation")
      expect(subject.contributors).to eq([{ "familyName" => "Collingwood",
                                            "givenName" => "Patricia Maree",
                                            "id" => "https://orcid.org/0000-0003-3086-4443",
                                            "type" => "Person", "contributorRoles" => ["Author"] }])
      expect(subject.titles).to eq([{ "title" => "School truancy and financial independence during emerging adulthood: a longitudinal analysis of receipt of and reliance on cash transfers" }])
      expect(subject.id).to eq("https://doi.org/10.14264/uql.2020.791")
      expect(subject.alternate_identifiers.empty?).to be(true)
      expect(subject.descriptions.empty?).to be(true)
      expect(subject.date).to eq("published" => "2020-06-08", "updated" => "2020-06-08")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/5387",
                                      "name" => "University of Queensland Library")
      expect(subject.provider).to eq("Crossref")
    end

    it "DOI with SICI DOI" do
      input = "10.1890/0012-9658(2006)87[2832:tiopma]2.0.co;2"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1890/0012-9658(2006)87%255b2832:tiopma%255d2.0.co;2")
      expect(subject.url).to eq("http://doi.wiley.com/10.1890/0012-9658(2006)87%5B2832:TIOPMA%5D2.0.CO;2")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors).to eq([
                                        { "familyName" => "Fenton", "givenName" => "A.",
                                          "type" => "Person", "contributorRoles" => ["Author"] }, { "familyName" => "Rands", "givenName" => "S. A.", "type" => "Person", "contributorRoles" => ["Author"] },
                                      ])
      expect(subject.license).to eq("url" => "http://doi.wiley.com/10.1002/tdm_license_1.1")
      expect(subject.titles).to eq([{ "title" => "THE IMPACT OF PARASITE MANIPULATION AND PREDATOR FORAGING BEHAVIOR ON PREDATOR–PREY COMMUNITIES" }])
      expect(subject.date).to eq("published" => "2006-11", "updated" => "2019-04-28")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/311",
                                      "name" => "Wiley")
      expect(subject.references.length).to eq(39)
      expect(subject.references.last).to eq("key" => "i0012-9658-87-11-2832-ydenberg1",
                                            "unstructured" => "R. C. Ydenberg, 1998 .Behavioral decisions about foraging and predator avoidance .Pages343 -378inR. Dukas, editorCognitive ecology: the evolutionary ecology of information processing and decision making University of Chicago Press, Chicago, Illinois, USA.")
      expect(subject.container).to eq("firstPage" => "2832", "identifier" => "0012-9658",
                                      "identifierType" => "ISSN", "issue" => "11", "lastPage" => "2841", "title" => "Ecology", "type" => "Journal", "volume" => "87")
      expect(subject.provider).to eq("Crossref")
    end

    it "DOI with ORCID ID" do
      input = "https://doi.org/10.1155/2012/291294"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1155/2012/291294")
      expect(subject.url).to eq("http://www.hindawi.com/journals/pm/2012/291294")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(7)
      expect(subject.contributors[2]).to eq("type" => "Person",
                                            "id" => "https://orcid.org/0000-0003-2043-4925", "contributorRoles" => ["Author"],
                                            "givenName" => "Beatriz", "familyName" => "Hernandez", "affiliation" => [{ "name" => "War Related Illness and Injury Study Center (WRIISC) and Mental Illness Research Education and Clinical Center (MIRECC), Department of Veterans Affairs, Palo Alto, CA 94304, USA" }, { "name" => "Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94304, USA" }])
      expect(subject.license).to eq("id" => "CC-BY-3.0",
                                    "url" => "https://creativecommons.org/licenses/by/3.0/legalcode")
      expect(subject.titles).to eq([{ "title" => "Delineating a Retesting Zone Using Receiver Operating Characteristic Analysis on Serial QuantiFERON Tuberculosis Test Results in US Healthcare Workers" }])
      expect(subject.date).to include("published" => "2012")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/98",
                                      "name" => "Hindawi Limited")
      expect(subject.references.length).to eq(27)
      expect(subject.references.last).to eq("doi" => "https://doi.org/10.1378/chest.12-0045",
                                            "key" => "30")
      expect(subject.files).to eq([{ "mimeType" => "application/pdf",
                                     "url" => "http://downloads.hindawi.com/journals/pm/2012/291294.pdf" },
                                   { "mimeType" => "application/xml",
                                     "url" => "http://downloads.hindawi.com/journals/pm/2012/291294.xml" }])
      expect(subject.container).to eq("firstPage" => "1", "identifier" => "2090-1844",
                                      "identifierType" => "ISSN", "lastPage" => "7", "title" => "Pulmonary Medicine", "type" => "Journal", "volume" => "2012")
      expect(subject.provider).to eq("Crossref")
    end

    it "date in future" do
      input = "https://doi.org/10.1016/j.ejphar.2015.03.018"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1016/j.ejphar.2015.03.018")
      expect(subject.url).to eq("https://linkinghub.elsevier.com/retrieve/pii/S0014299915002332")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(10)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"],
                                               "givenName" => "Sarah E.", "familyName" => "Beck")
      expect(subject.titles).to eq([{ "title" => "Paving the path to HIV neurotherapy: Predicting SIV CNS disease" }])
      expect(subject.date).to include("published" => "2015-07")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/78",
                                      "name" => "Elsevier BV")
      expect(subject.references.length).to eq(98)
      expect(subject.references.first).to eq("containerTitle" => "J. Immunol",
                                             "contributor" => "Allen",
                                             "doi" => "https://doi.org/10.4049/jimmunol.160.12.6062",
                                             "firstPage" => "6062",
                                             "key" => "10.1016/j.ejphar.2015.03.018_bib1",
                                             "publicationYear" => "1998",
                                             "title" => "Characterization of the peptide binding motif of a rhesus MHC class I molecule (Mamu-A*01) that binds an immunodominant CTL epitope from simianimmunodeficiency virus.",
                                             "volume" => "160")
      expect(subject.files).to eq([{ "mimeType" => "text/xml",
                                     "url" => "https://api.elsevier.com/content/article/PII:S0014299915002332?httpAccept=text/xml" },
                                   { "mimeType" => "text/plain",
                                     "url" => "https://api.elsevier.com/content/article/PII:S0014299915002332?httpAccept=text/plain" }])
      expect(subject.container).to eq("firstPage" => "303", "identifier" => "0014-2999",
                                      "identifierType" => "ISSN", "lastPage" => "312", "title" => "European Journal of Pharmacology", "type" => "Journal", "volume" => "759")
      expect(subject.provider).to eq("Crossref")
    end

    it "vor with url" do
      input = "https://doi.org/10.1038/hdy.2013.26"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1038/hdy.2013.26")
      expect(subject.url).to eq("https://www.nature.com/articles/hdy201326")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(2)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Gross",
                                               "givenName" => "J B")
      expect(subject.titles).to eq([{ "title" => "Albinism in phylogenetically and geographically distinct populations of Astyanax cavefish arises through the same loss-of-function Oca2 allele" }])
      expect(subject.date).to include("published" => "2013-04-10")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.references.size).to eq(41)
      expect(subject.references.first).to eq("containerTitle" => "An Esc Nac Cien Biol México",
                                             "contributor" => "J Alvarez",
                                             "firstPage" => "263",
                                             "key" => "BFhdy201326_CR1",
                                             "publicationYear" => "1946",
                                             "unstructured" => "Alvarez J . (1946). Revisión del género Anoptichthys con descipción de una especie nueva (Pisces, Characidae). An Esc Nac Cien Biol México 4: 263–282.",
                                             "volume" => "4")
      expect(subject.files).to eq([{ "mimeType" => "application/pdf",
                                     "url" => "http://www.nature.com/articles/hdy201326.pdf" },
                                   { "mimeType" => "text/html", "url" => "http://www.nature.com/articles/hdy201326" },
                                   { "mimeType" => "application/pdf",
                                     "url" => "http://www.nature.com/articles/hdy201326.pdf" }])
      expect(subject.container).to eq("firstPage" => "122", "identifier" => "1365-2540",
                                      "identifierType" => "ISSN", "issue" => "2", "lastPage" => "130", "title" => "Heredity", "type" => "Journal", "volume" => "111")
      expect(subject.provider).to eq("Crossref")
    end

    it "dataset" do
      input = "https://doi.org/10.2210/pdb4hhb/pdb"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.2210/pdb4hhb/pdb")
      expect(subject.url).to eq("https://www.wwpdb.org/pdb?id=pdb_00004hhb")
      expect(subject.type).to eq("Component")
      expect(subject.contributors.length).to eq(2)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "givenName" => "G.",
                                               "familyName" => "Fermi")
      expect(subject.titles).to eq([{ "title" => "THE CRYSTAL STRUCTURE OF HUMAN DEOXYHAEMOGLOBIN AT 1.74 ANGSTROMS RESOLUTION" }])
      expect(subject.descriptions).to eq([])
      expect(subject.date).to include("published" => "1984-07-17")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/7763",
                                      "name" => "Worldwide Protein Data Bank")
      expect(subject.provider).to eq("Crossref")
    end

    it "component" do
      input = "https://doi.org/10.1371/journal.pmed.0030277.g001"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be false
      expect(subject.errors).to eq(["property '/contributors' is invalid: error_type=minItems"])
      expect(subject.id).to eq("https://doi.org/10.1371/journal.pmed.0030277.g001")
      expect(subject.url).to eq("https://dx.plos.org/10.1371/journal.pmed.0030277.g001")
      expect(subject.type).to eq("Component")
      expect(subject.contributors.empty?).to be true
      expect(subject.titles).to eq([{ "title" => ":(unav)" }])
      expect(subject.descriptions.empty?).to be(true)
      expect(subject.date).to eq("published" => "2015-10-20", "updated" => "2018-10-19")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/340",
                                      "name" => "Public Library of Science (PLoS)")
      expect(subject.provider).to eq("Crossref")
    end

    it "dataset usda" do
      input = "https://doi.org/10.2737/RDS-2018-0001"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.2737/rds-2018-0001")
      expect(subject.url).to eq("https://www.fs.usda.gov/rds/archive/Catalog/RDS-2018-0001")
      expect(subject.type).to eq("Dataset")
      expect(subject.contributors.length).to eq(4)
      expect(subject.contributors.first).to eq("familyName" => "Ribic", "givenName" => "Christine A.",
                                               "affiliation" => [{ "name" => "U.S. Geological Survey" }],
                                               "id" => "https://orcid.org/0000-0003-2583-1778", "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Fledging times of grassland birds" }])
      expect(subject.descriptions.empty?).to be(true)
      expect(subject.date).to eq("published" => "2017-08-09", "updated" => "2021-07-01")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/1450",
                                      "name" => "USDA Forest Service")
      expect(subject.provider).to eq("Crossref")
    end

    it "book chapter" do
      input = "https://doi.org/10.1007/978-3-662-46370-3_13"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1007/978-3-662-46370-3_13")
      expect(subject.url).to eq("https://link.springer.com/10.1007/978-3-662-46370-3_13")
      expect(subject.type).to eq("BookChapter")
      expect(subject.contributors.length).to eq(2)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"],
                                               "givenName" => "Ronald L.", "familyName" => "Diercks")
      expect(subject.titles).to eq([{ "title" => "Clinical Symptoms and Physical Examinations" }])
      expect(subject.date).to eq("published" => "2015", "updated" => "2023-02-10")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.provider).to eq("Crossref")
      expect(subject.container["type"]).to eq("Book")
      expect(subject.container["title"]).to eq("Shoulder Stiffness")
      expect(subject.container["firstPage"]).to eq("155")
      expect(subject.container["lastPage"]).to eq("158")
    end

    it "another book chapter" do
      input = "https://doi.org/10.1007/978-3-319-75889-3_1"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1007/978-3-319-75889-3_1")
      expect(subject.url).to eq("http://link.springer.com/10.1007/978-3-319-75889-3_1")
      expect(subject.type).to eq("BookChapter")
      expect(subject.contributors).to eq([{ "familyName" => "Jones", "givenName" => "Hunter M.",
                                            "type" => "Person", "contributorRoles" => ["Author"] }])
      expect(subject.titles).to eq([{ "title" => "Climate Change and Increasing Risk of Extreme Heat" }])
      expect(subject.date).to include("published" => "2018")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.provider).to eq("Crossref")
      expect(subject.container["type"]).to eq("Book")
      expect(subject.container["title"]).to eq("SpringerBriefs in Medical Earth Sciences")
      expect(subject.container["identifier"]).to eq("2523-3629")
      expect(subject.container["identifierType"]).to eq("ISSN")
    end

    it "yet another book chapter" do
      input = "https://doi.org/10.4018/978-1-4666-1891-6.ch004"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.4018/978-1-4666-1891-6.ch004")
      expect(subject.url).to eq("http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018%2F978-1-4666-1891-6.ch004")
      expect(subject.type).to eq("BookChapter")
      expect(subject.contributors).to eq([{ "type" => "Person", "contributorRoles" => ["Author"], "affiliation" => [{ "name" => "Université de Lyon, France" }],
                                            "familyName" => "Bichot", "givenName" => "Charles-Edmond" }])
      expect(subject.titles).to eq([{ "title" => "Unsupervised and Supervised Image Segmentation Using Graph Partitioning" }])
      expect(subject.date).to eq("published" => "2012-08-08", "updated" => "2019-07-02")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/2432",
                                      "name" => "IGI Global")
      expect(subject.provider).to eq("Crossref")
      expect(subject.container["type"]).to eq("Book")
      expect(subject.container["title"]).to eq("Graph-Based Methods in Computer Vision")
      expect(subject.container["firstPage"]).to eq("72")
      expect(subject.container["lastPage"]).to eq("94")
    end

    it "missing contributor" do
      input = "https://doi.org/10.3390/publications6020015"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.3390/publications6020015")
      expect(subject.url).to eq("https://www.mdpi.com/2304-6775/6/2/15")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors).to eq([{ "familyName" => "Kohls",
                                            "givenName" => "Alexander",
                                            "id" => "https://orcid.org/0000-0002-3836-8885",
                                            "type" => "Person", "contributorRoles" => ["Author"] },
                                          { "familyName" => "Mele",
                                            "givenName" => "Salvatore",

                                            "id" => "https://orcid.org/0000-0003-0762-2235",
                                            "type" => "Person", "contributorRoles" => ["Author"] }])
      expect(subject.titles).to eq([{ "title" => "Converting the Literature of a Scientific Field to Open Access through Global Collaboration: The Experience of SCOAP3 in Particle Physics" }])
      expect(subject.date).to eq("published" => "2018-04-09", "updated" => "2021-07-22")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/1968",
                                      "name" => "MDPI AG")
      expect(subject.provider).to eq("Crossref")
    end

    it "book" do
      input = "https://doi.org/10.1017/9781108348843"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1017/9781108348843")
      expect(subject.url).to eq("https://www.cambridge.org/core/product/identifier/9781108348843/type/book")
      expect(subject.type).to eq("Book")
      expect(subject.contributors).to eq([{ "type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Leung",
                                            "givenName" => "Vincent S." }])
      expect(subject.titles).to eq([{ "title" => "The Politics of the Past in Early China" }])
      expect(subject.date).to eq("published" => "2019-07-01", "updated" => "2023-09-17")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/56",
                                      "name" => "Cambridge University Press (CUP)")
      expect(subject.provider).to eq("Crossref")
    end

    it "another book" do
      input = "https://doi.org/10.2973/odp.proc.ir.180.2000"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.2973/odp.proc.ir.180.2000")
      expect(subject.url).to eq("http://www-odp.tamu.edu/publications/180_IR/180TOC.HTM")
      expect(subject.type).to eq("Book")
      expect(subject.contributors.size).to eq(4)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Editor"], "familyName" => "Taylor",
                                               "givenName" => "B.")
      expect(subject.titles).to eq([{ "title" => "Proceedings of the Ocean Drilling Program, 180 Initial Reports" }])
      expect(subject.date).to eq("published" => "2000-02-04", "updated" => "2009-02-02")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/1029",
                                      "name" => "International Ocean Discovery Program (IODP)")
      expect(subject.provider).to eq("Crossref")
    end

    it "yet another book" do
      input = "https://doi.org/10.1029/ar035"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1029/ar035")
      expect(subject.url).to eq("http://doi.wiley.com/10.1029/AR035")
      expect(subject.type).to eq("Book")
      expect(subject.contributors).to eq([{ "type" => "Person", "contributorRoles" => ["Author"], "familyName" => "McGinnis",
                                            "givenName" => "Richard Frank" }])
      expect(subject.titles).to eq([{ "title" => "Biogeography of Lanternfishes (Myctophidae) South of 30°S" }])
      expect(subject.date).to eq("published" => "1982", "updated" => "2021-12-04")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/311",
                                      "name" => "Wiley")
      expect(subject.references.length).to eq(242)
      expect(subject.references.first).to eq("containerTitle" => "Palaeogeogr. Palaeoclimatol. Palaeoecol.",
                                             "contributor" => "Addicott",
                                             "doi" => "https://doi.org/10.1016/0031-0182(70)90103-3",
                                             "firstPage" => "287",
                                             "key" => "10.1029/AR035:addi70",
                                             "publicationYear" => "1970",
                                             "title" => "Latitudinal gradients in tertiary mol-luscan faunas of the Pacific coast",
                                             "volume" => "8")
      expect(subject.container).to eq("identifier" => "0066-4634", "identifierType" => "ISSN",
                                      "title" => "Antarctic Research Series", "type" => "BookSeries")
      expect(subject.provider).to eq("Crossref")
    end

    it "mEDRA" do
      input = "https://doi.org/10.3280/ecag2018-001005"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.3280/ecag2018-001005")
      expect(subject.url).to eq("http://www.francoangeli.it/riviste/Scheda_Riviste.asp?IDArticolo=61645")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(2)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Oh",
                                               "givenName" => "Sohae Eve")
      expect(subject.titles).to eq([{ "title" => "Substitutability between organic and conventional poultry products and organic price premiums" }])
      expect(subject.date).to include("published" => "2018-05")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/4169",
                                      "name" => "Franco Angeli")
      expect(subject.provider).to eq("Crossref")
    end

    it "KISTI" do
      input = "https://doi.org/10.5012/bkcs.2013.34.10.2889"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.5012/bkcs.2013.34.10.2889")
      expect(subject.url).to eq("http://koreascience.or.kr/journal/view.jsp?kj=JCGMCS&py=2013&vnc=v34n10&sp=2889")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(7)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Huang",
                                               "givenName" => "Guimei")
      expect(subject.titles).to eq([{ "title" => "Synthesis, Crystal Structure and Theoretical Calculation of a Novel Nickel(II) Complex with Dibromotyrosine and 1,10-Phenanthroline" }])
      expect(subject.date).to eq("published" => "2013-10-20", "updated" => "2016-12-15")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/2923",
                                      "name" => "Korean Chemical Society")
      expect(subject.provider).to eq("KISTI")
    end

    it "JaLC" do
      input = "https://doi.org/10.1241/johokanri.39.979"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1241/johokanri.39.979")
      expect(subject.url).to eq("http://joi.jlc.jst.go.jp/JST.JSTAGE/johokanri/39.979?from=CrossRef")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors).to eq([{ "familyName" => "KUSUMOTO", "givenName" => "Hiroyuki",
                                            "type" => "Person", "contributorRoles" => ["Author"] }])
      expect(subject.titles).to eq([{ "title" => "Utilizing the Internet. 12 Series. Future of the Internet." }])
      expect(subject.date).to eq("published" => "1997", "updated" => "2020-03-06")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/272",
                                      "name" => "Japan Science and Technology Agency (JST)")
      expect(subject.provider).to eq("JaLC")
    end

    it "OP" do
      input = "https://doi.org/10.2903/j.efsa.2018.5239"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.2903/j.efsa.2018.5239")
      expect(subject.url).to eq("http://doi.wiley.com/10.2903/j.efsa.2018.5239")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(28)
      expect(subject.contributors.first).to eq(
        "name" => "EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS)", "type" => "Organization", "contributorRoles" => ["Author"],
      )
      expect(subject.titles).to eq([{ "title" => "Scientific opinion on the safety of green tea catechins" }])
      expect(subject.date).to include("published" => "2018-04")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/311",
                                      "name" => "Wiley")
      expect(subject.provider).to eq("OP")
    end

    it "multiple titles" do
      input = "https://doi.org/10.4000/dms.865"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.4000/dms.865")
      expect(subject.url).to eq("http://journals.openedition.org/dms/865")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors).to eq([{ "familyName" => "Peraya", "givenName" => "Daniel",
                                            "type" => "Person", "contributorRoles" => ["Author"] }])
      expect(subject.titles).to eq([{ "title" => "Distance(s), proximity and presence(s): evolving concepts" }])
      expect(subject.date).to include("published" => "2014-12-14")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/2399",
                                      "name" => "OpenEdition")
      expect(subject.provider).to eq("Crossref")
    end

    it "multiple titles with missing" do
      input = "https://doi.org/10.1186/1471-2164-7-187"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1186/1471-2164-7-187")
      expect(subject.url).to eq("https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-7-187")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.size).to eq(5)
      expect(subject.contributors.first).to eq("familyName" => "Myers", "givenName" => "Chad L",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Finding function: evaluation methods for functional genomic data" }])
      expect(subject.date).to include("published" => "2006-07-25")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.provider).to eq("Crossref")
    end

    it "markup" do
      input = "https://doi.org/10.1098/rspb.2017.0132"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1098/rspb.2017.0132")
      expect(subject.url).to eq("https://royalsocietypublishing.org/doi/10.1098/rspb.2017.0132")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.size).to eq(6)
      expect(subject.contributors.first).to eq(
        "affiliation" => [{ "name" => "School of Biological Sciences, Centre for Evolutionary Biology, University of Western Australia, Crawley, WA 6009, Australia" }], "familyName" => "Dougherty", "givenName" => "Liam R.",
        "id" => "https://orcid.org/0000-0003-1406-0680", "type" => "Person", "contributorRoles" => ["Author"],
      )
      expect(subject.titles).to eq([{ "title" => "Sexual conflict and correlated evolution between male persistence and female resistance traits in the seed beetle <i>Callosobruchus maculatus</i>" }])
      expect(subject.date).to include("published" => "2017-05-24")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/175",
                                      "name" => "The Royal Society")
      expect(subject.provider).to eq("Crossref")
    end

    it "empty given name" do
      input = "https://doi.org/10.1111/J.1865-1682.2010.01171.X"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1111/j.1865-1682.2010.01171.x")
      expect(subject.url).to eq("https://onlinelibrary.wiley.com/doi/10.1111/j.1865-1682.2010.01171.x")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(5)
      expect(subject.contributors[3]).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Ehtisham-ul-Haq")
      expect(subject.titles).to eq([{ "title" => "Serological Evidence of Brucella abortus Prevalence in Punjab Province, Pakistan - A Cross-Sectional Study" }])
      expect(subject.license).to eq("url" => "http://doi.wiley.com/10.1002/tdm_license_1.1")
      expect(subject.date).to eq("published" => "2010-09-29", "updated" => "2023-02-09")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/98",
                                      "name" => "Hindawi Limited")
    end

    it "invalid date" do
      input = "https://doi.org/10.1055/s-0039-1690894"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1055/s-0039-1690894")
      expect(subject.url).to eq("http://www.thieme-connect.de/DOI/DOI?10.1055%2Fs-0039-1690894")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(4)
      expect(subject.contributors[1]).to eq("affiliation" => [{ "name" => "Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Centre of Chemical Science and Engineering, Tianjin University" }, { "name" => "Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University" }],
                                            "familyName" => "Ma",
                                            "givenName" => "Jun-An",
                                            "id" => "https://orcid.org/0000-0002-3902-6799",
                                            "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Silver-Catalyzed [3+3] Annulation of Glycine Imino Esters with Seyferth–Gilbert Reagent To Access Tetrahydro-1,2,4-triazinecarboxylate Esters" }])
      expect(subject.date).to eq("published" => "2020-04-08", "updated" => "2020-06-16")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/194",
                                      "name" => "Georg Thieme Verlag KG")
    end

    it "journal article with" do
      input = "https://doi.org/10.1111/nph.14619"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1111/nph.14619")
      expect(subject.url).to eq("https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.14619")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(3)
      expect(subject.contributors.first).to eq("affiliation" => [{"name"=>"Independent Junior Research Group on Protein Recognition and Degradation Leibniz Institute of Plant Biochemistry (IPB) Weinberg 3 Halle (Saale) D‐06120 Germany"}, {"name"=>"ScienceCampus Halle – Plant‐based Bioeconomy Betty‐Heimann‐Strasse 3 Halle (Saale) D‐06120 Germany"}],
                                               "familyName" => "Dissmeyer",
                                               "givenName" => "Nico",
                                               "id" => "https://orcid.org/0000-0002-4156-3761",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Life and death of proteins after protease cleavage: protein degradation by the N‐end rule pathway" }])
      expect(subject.license).to eq("url" => "http://onlinelibrary.wiley.com/termsAndConditions#vor")
      expect(subject.date).to eq("published" => "2017-06-05", "updated" => "2023-09-12")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/311",
                                      "name" => "Wiley")
      expect(subject.references.length).to eq(49)
      expect(subject.references.last).to eq("doi"=>"https://doi.org/10.1002/pmic.201400530", "key"=>"e_1_2_7_50_1")
      expect(subject.container).to eq("firstPage" => "929", "identifier" => "1469-8137",
                                      "identifierType" => "ISSN", "issue" => "3", "lastPage" => "935", "title" => "New Phytologist", "type" => "Journal", "volume" => "218")
      expect(subject.provider).to eq("Crossref")
    end

    it "author literal" do
      input = "https://doi.org/10.1038/ng.3834"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1038/ng.3834")
      expect(subject.url).to eq("https://www.nature.com/articles/ng.3834")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(14)
      expect(subject.contributors[1]).to eq("contributorRoles" => ["Author"], "name" => "GTEx Consortium", "type" => "Organization")
      expect(subject.titles).to eq([{ "title" => "The impact of structural variation on human gene expression" }])
      expect(subject.date).to include("published" => "2017-04-03")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.provider).to eq("Crossref")
    end

    it "affiliation is space" do
      input = "https://doi.org/10.1177/0042098011428175"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1177/0042098011428175")
      expect(subject.url).to eq("http://journals.sagepub.com/doi/10.1177/0042098011428175")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(1)
      expect(subject.contributors.first).to eq("familyName" => "Petrovici", "givenName" => "Norbert",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Workers and the City: Rethinking the Geographies of Power in Post-socialist Urbanisation" }])
      expect(subject.date).to include("published" => "2011-12-22")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/179",
                                      "name" => "SAGE Publications")
      expect(subject.provider).to eq("Crossref")
    end

    it "multiple issn" do
      input = "https://doi.org/10.1007/978-3-642-34922-5_19"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1007/978-3-642-34922-5_19")
      expect(subject.url).to eq("https://link.springer.com/10.1007/978-3-642-34922-5_19")
      expect(subject.type).to eq("BookChapter")
      expect(subject.contributors.length).to eq(3)
      expect(subject.contributors.first).to eq("familyName" => "Razib", "givenName" => "Ali",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Log-Domain Arithmetic for High-Speed Fuzzy Control on a Field-Programmable Gate Array" }])
      expect(subject.date).to include("published" => "2013")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/297",
                                      "name" => "Springer Science and Business Media LLC")
      expect(subject.container).to eq("identifier" => "1860-0808", "identifierType" => "ISSN", "firstPage" => "269", "lastPage" => "287",
                                      "title" => "Soft Computing: State of the Art Theory and Novel Applications", "type" => "Book")
      expect(subject.provider).to eq("Crossref")
    end

    it "article id as page number" do
      input = "https://doi.org/10.1103/physrevlett.120.117701"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.id).to eq("https://doi.org/10.1103/physrevlett.120.117701")
      expect(subject.url).to eq("https://link.aps.org/doi/10.1103/PhysRevLett.120.117701")
      expect(subject.type).to eq("JournalArticle")
      expect(subject.contributors.length).to eq(5)
      expect(subject.contributors.first).to eq("familyName" => "Marrazzo", "givenName" => "Antimo",
                                               "type" => "Person", "contributorRoles" => ["Author"])
      expect(subject.titles).to eq([{ "title" => "Prediction of a Large-Gap and Switchable Kane-Mele Quantum Spin Hall Insulator" }])
      expect(subject.date).to include("published" => "2018-03-13")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/16",
                                      "name" => "American Physical Society (APS)")
      expect(subject.container).to eq("identifier" => "1079-7114",
                                      "identifierType" => "ISSN", "issue" => "11", "title" => "Physical Review Letters", "type" => "Journal", "volume" => "120")
      expect(subject.provider).to eq("Crossref")
    end

    it "posted content copernicus" do
      input = "https://doi.org/10.5194/CP-2020-95"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("https://cp.copernicus.org/preprints/cp-2020-95/cp-2020-95.pdf")
      expect(subject.type).to eq("Article")
      expect(subject.contributors.count).to eq(6)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Shao",
                                               "givenName" => "Jun",
                                               "id" => "https://orcid.org/0000-0001-6130-6474")
      expect(subject.titles).to eq([{ "title" => "The Atmospheric Bridge Communicated the δ&amp;lt;sup&amp;gt;13&amp;lt;/sup&amp;gt;C Decline during the Last Deglaciation to the Global Upper Ocean" }])
      expect(subject.id).to eq("https://doi.org/10.5194/cp-2020-95")
      expect(subject.alternate_identifiers.empty?).to be(true)
      expect(subject.descriptions.first["description"]).to start_with("Abstract. During the early last glacial termination")
      expect(subject.date).to include("published" => "2020-07-28")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/3145",
                                      "name" => "Copernicus GmbH")
      expect(subject.provider).to eq("Crossref")
    end

    it "book oup" do
      input = "10.1093/oxfordhb/9780198746140.013.5"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("https://academic.oup.com/edited-volume/28081/chapter/212116415")
      expect(subject.type).to eq("Book")
      expect(subject.contributors.count).to eq(3)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Clayton",
                                               "givenName" => "Barbra R.")
      expect(subject.contributors.last).to eq("contributorRoles" => ["Editor"], "familyName" => "Shields", "givenName" => "James Mark", "type" => "Person")
      expect(subject.titles).to eq([{ "title" => "The Changing Way of the Bodhisattva" }])
      expect(subject.id).to eq("https://doi.org/10.1093/oxfordhb/9780198746140.013.5")
      expect(subject.alternate_identifiers.empty?).to be(true)
      expect(subject.descriptions.first["description"]).to start_with("This chapter explores the nature of the connections")
      expect(subject.date).to include("published" => "2018-04-05")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/286",
                                      "name" => "Oxford University Press (OUP)")
      expect(subject.provider).to eq("Crossref")
    end

    it "report osti" do
      input = "10.2172/972169"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be true
      expect(subject.url).to eq("http://www.osti.gov/servlets/purl/972169-1QXROM")
      expect(subject.type).to eq("Report")
      expect(subject.contributors.count).to eq(4)
      expect(subject.contributors.first).to eq("type" => "Person", "contributorRoles" => ["Author"], "familyName" => "Denholm",
                                               "givenName" => "P.")
      expect(subject.titles).to eq([{ "title" => "Role of Energy Storage with Renewable Electricity Generation" }])
      expect(subject.id).to eq("https://doi.org/10.2172/972169")
      expect(subject.descriptions.empty?).to be(true)
      expect(subject.date).to include("published" => "2010-01-01")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/960",
                                      "name" => "Office of Scientific and Technical Information (OSTI)")
      expect(subject.provider).to eq("Crossref")
    end

    it "journal issue" do
      input = "https://doi.org/10.6002/ect.2015.0371"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be false
      expect(subject.errors).to eq(["property '/contributors' is invalid: error_type=minItems"])
      expect(subject.id).to eq("https://doi.org/10.6002/ect.2015.0371")
      expect(subject.url).to eq("http://ectrx.org/forms/ectrxcontentshow.php?doi_id=10.6002%2Fect.2015.0371")
      expect(subject.type).to eq("JournalIssue")
      expect(subject.contributors.empty?).to be true
      expect(subject.titles).to eq([{ "title" => ":(unav)" }])
      expect(subject.date).to eq("published" => "2018-10", "updated" => "2018-10-03")
      expect(subject.publisher).to eq("id" => "https://api.crossref.org/members/4021",
                                      "name" => "Baskent University")
      expect(subject.references.length).to eq(1)
      expect(subject.references.first).to eq("containerTitle" => "Ergonomics",
                                             "contributor" => "IMAMURA",
                                             "doi" => "https://doi.org/10.1080/001401398186180",
                                             "firstPage" => "1421",
                                             "issue" => "10",
                                             "key" => "ref0",
                                             "publicationYear" => "1998",
                                             "title" => "Manual performance in cold conditions while wearing NBC clothing",
                                             "volume" => "41")
      expect(subject.container).to eq("identifier" => "2146-8427", "identifierType" => "ISSN",
                                      "issue" => "5", "title" => "Experimental and Clinical Transplantation", "type" => "Journal", "volume" => "16")
      expect(subject.provider).to eq("Crossref")
    end

    it "not found error" do
      input = "https://doi.org/10.7554/elife.01567x"
      subject = described_class.new(input: input)
      expect(subject.valid?).to be false
      expect(subject.id).to eq("https://doi.org/10.7554/elife.01567x")
      expect(subject.provider).to eq("Crossref")
      expect(subject.state).to eq("not_found")
    end
  end
end