require File.dirname(__FILE__) + '/spec_helper'

describe XsdReader do

  before :all do
    @reader ||= XsdReader::XML.new(:xsd_file => File.expand_path(File.join(File.dirname(__FILE__), 'examples', 'ddex-ern-v36.xsd')))
  end

  it "gives all child element definitions for a certain node through the `elements` method" do
    expect(@reader.elements.map(&:name)).to eq ['NewReleaseMessage', 'CatalogListMessage']
    expect(@reader.elements[0].elements[0].name).to eq 'MessageHeader'
  end

  it "gives a child element object through the square brackets ([]) operator (matching by name)" do
    expect(@reader['NewReleaseMessage'].name).to eq 'NewReleaseMessage'
    # this supports linking:
    expect(@reader['NewReleaseMessage']['ReleaseList']['Release'].attributes.map(&:name)).to eq ["LanguageAndScriptCode", "IsMainRelease"]
  end

  it "gives a specific element in the hierarchy when passing an array argument to the square brackets ([]) operator" do
    # this supports linking:
    expect(@reader[['NewReleaseMessage', 'ResourceList', 'SoundRecording']].name).to eq 'SoundRecording'
    expect(@reader[['NewReleaseMessage', 'ResourceList', 'SoundRecording']].multiple_allowed?).to eq true
  end

  it "provides a `child_elements?` convenience method" do
    expect(@reader['NewReleaseMessage'].child_elements?).to be true
    expect(@reader['NewReleaseMessage']['MessageHeader']['MessageThreadId'].child_elements?).to be false
  end

  it "provides `min_occurs` and `max_occurs` reader methods" do
    expect(@reader['NewReleaseMessage']['ResourceList'].min_occurs).to eq nil
    expect(@reader['NewReleaseMessage']['ResourceList']['SoundRecording'].min_occurs).to eq 0
    expect(@reader['NewReleaseMessage']['ResourceList']['SoundRecording'].max_occurs).to eq :unbounded
  end

  it "provides a boolean `multiple_allowed?` method, indicating if multiple instances of this element are allowed" do
    # byebug
    expect(@reader['NewReleaseMessage']['ResourceList'].multiple_allowed?).to be false
    expect(@reader['NewReleaseMessage']['ResourceList']['SoundRecording'].multiple_allowed?).to be true
  end

  it "provides a `required?` method, indicating if an element is required to be there" do
    expect(@reader['NewReleaseMessage'].required?).to be true
    expect(@reader['NewReleaseMessage']['ResourceList'].required?).to be true
    expect(@reader['NewReleaseMessage']['CollectionList'].required?).to be false
  end

  it "provides an `optional?` convenience method, as an opposite of `required?`" do
    expect(@reader['NewReleaseMessage'].optional?).to be false
    expect(@reader['NewReleaseMessage']['ResourceList'].optional?).to be false
    expect(@reader['NewReleaseMessage']['CollectionList'].optional?).to be true
  end

  # it "gives an array recursive parent names `ancestors` method" do
  #   skip 'Not yet (properly) imlemented'
  #   # byebug
  #   expect(@reader.ancestors).to eq []
  #   expect(@reader['NewReleaseMessage'].ancestors).to eq []
  #   expect(@reader['NewReleaseMessage']['DealList']['ReleaseDeal'].ancestors.map(&:name)).to eq ['NewReleasMessage', 'DealList']
  # end
end