require_relative "../spec/spec_helper"

RSpec.describe "The resembles json matcher" do
  include RSpec::ResemblesJsonMatchers

  before :all do
    puts <<~WARNING
      NOTE: some of these are expected to fail, they are meant to demonstrate
      the output generated by failing specs
    WARNING
  end

  describe "a basic json document" do
    let(:document) do
      {
        "@id": "/posts/2016/test1",
        "@type": "Post",
        "title": "Hello World!",
        "body": "lorem ipsum",
        "created_at": "2016-03-01T00:03:42",
        "published_at": "2016-03-10T15:35:00"
      }
    end

    specify do
      expect(document).to resemble_json(
        {
          "@id": "/posts/:year/:title",
          "@type": eq("Post"),
          "title": "Hello World!",
          "body": "lorem ipsum",
          "created_at": "2016-03-01T00:03:42",
          "published_at": "2016-03-10T15:35:00"
        }
      )
    end

    context "with several attributes that failed to match" do
      specify do
        expect(document).to resemble_json(
          {
            "@id": "/posts/:year/:title",
            "@type": eq("PostCollection"),
            "title": 42.0,
            "body": "lorem ipsum",
            "created_at": "2016-03-01T00:03:42",
            "published_at": "2016-03-10T15:35:00"
          }
        )
      end
    end

    context "when the matcher is missing a field that is present in the document" do
      specify do
        expect(document).to resemble_json(
          {
            "@id": "/posts/:year/:title",
            "@type": eq("Post"),
            "body": "lorem ipsum",
            "created_at": "2016-03-01T00:03:42",
            "published_at": "2016-03-10T15:35:00"
          }
        )
      end
    end

    context "when the document is missing a field that is present in the matcher" do
      specify do
        expect(document).to resemble_json(
          {
            "@id": "/posts/:year/:title",
            "@type": eq("Post"),
            "body": "lorem ipsum",
            "created_at": "2016-03-01T00:03:42",
            "published_at": "2016-03-10T15:35:00"
          }
        )
      end
    end
  end

  describe "complex nested json documents" do
    let(:document) do
      {
        "@id": "/posts",
        "@type": "PostCollection",
        "nextPage": "/posts?page=2",
        "members": [
          {
            "@id": "/posts/2016/test1",
            "@type": "Post",
            "title": "Hello World!",
            "body": "lorem ipsum",
            "created_at": "2016-03-01T00:03:42",
            "published_at": "2016-03-10T15:35:00"
          }
        ]
      }
    end

    specify do
      expect(document).to resemble_json(
        {
          "@id": "/posts",
          "@type": eq("PostCollection"),
          "nextPage": "/posts?page=2",
          "members": [
            {
              "@id": "/posts/:year/:title",
              "@type": eq("Post"),
              "title": "Hello World!",
              "body": "lorem ipsum",
              "created_at": "2016-03-01T00:03:42",
              "published_at": "2016-03-10T15:35:00"
            }
          ]
        }
      )
    end
  end

  describe "empty nested documents" do
    let(:document) do
      {
        "@id": "/posts/2016/test1",
        "@type": "Post",
        "title": "Hello World!",
        "body": "lorem ipsum",
        "created_at": "2016-03-01T00:03:42",
        "published_at": "2016-03-10T15:35:00"
      }
    end

    specify do
      expect(document).to resemble_json(
        {
          "@id": "/posts/:year/:title",
          "@type": eq("Post"),
          "title": "Hello World!",
          "body": "lorem ipsum",
          "author": {
            "@id": "/authors/:id",
            "name": eq("Paul")
          },
          "created_at": "2016-03-01T00:03:42",
          "published_at": "2016-03-10T15:35:00"
        }
      )
    end
  end

  describe "empty nested array documents" do
    let(:document) do
      {
        "@id": "/posts",
        "@type": "PostCollection",
        "nextPage": "/posts?page=2"
      }
    end

    specify do
      expect(document).to resemble_json(
        {
          "@id": "/posts",
          "@type": eq("PostCollection"),
          "nextPage": "/posts?page=2",
          "members": [
            {
              "@id": "/posts/:year/:title",
              "@type": eq("Post"),
              "title": "Hello World!",
              "body": "lorem ipsum",
              "created_at": "2016-03-01T00:03:42",
              "published_at": "2016-03-10T15:35:00"
            }
          ]
        }
      )
    end
  end
end