require 'watirspec_helper'

describe 'Collections' do
  it 'returns inner elements of parent element having different html tag' do
    browser.goto(WatirSpec.url_for('collections.html'))
    expect(browser.span(id: 'a_span').divs.size).to eq 2
  end

  it 'returns inner elements of parent element having same html tag' do
    browser.goto(WatirSpec.url_for('collections.html'))
    expect(browser.span(id: 'a_span').spans.size).to eq 2
  end

  it 'returns correct subtype of elements' do
    browser.goto(WatirSpec.url_for('collections.html'))
    collection = browser.span(id: 'a_span').spans
    expect(collection.all? { |el| el.is_a? Watir::Span }).to eq true
  end

  it 'can contain more than one type of element' do
    browser.goto(WatirSpec.url_for('nested_elements.html'))
    collection = browser.div(id: 'parent').children
    expect(collection.any? { |el| el.is_a? Watir::Span }).to eq true
    expect(collection.any? { |el| el.is_a? Watir::Div }).to eq true
  end

  it 'relocates the same element' do
    browser.goto(WatirSpec.url_for('nested_elements.html'))
    collection = browser.div(id: 'parent').children
    tag = collection[3].tag_name
    browser.refresh
    expect(collection[3].tag_name).to eq tag
  end

  it 'returns value for #empty?' do
    browser.goto(WatirSpec.url_for('collections.html'))
    expect(browser.span(id: 'a_span').options.empty?).to eq true
  end

  it 'returns value for #any?' do
    browser.goto(WatirSpec.url_for('collections.html'))
    expect(browser.span(id: 'a_span').spans.any?).to eq true
  end

  it 'locates elements' do
    browser.goto(WatirSpec.url_for('collections.html'))
    spans = browser.span(id: 'a_span').spans
    expect(spans).to receive(:elements).and_return([])
    expect(spans.locate).to be_a Watir::SpanCollection
  end

  it 'lazy loads collections referenced with #[]' do
    browser.goto(WatirSpec.url_for('collections.html'))
    expect(browser.wd).to_not receive(:find_elements)
    browser.spans[3]
  end

  it 'does not relocate collections when previously evaluated' do
    browser.goto(WatirSpec.url_for('collections.html'))
    elements = browser.spans.tap(&:to_a)

    expect(browser.wd).to_not receive(:find_elements)
    elements[1].id
  end

  it 'relocates cached elements that go stale' do
    browser.goto(WatirSpec.url_for('collections.html'))
    elements = browser.spans.tap(&:to_a)

    browser.refresh
    expect(elements[1]).to be_stale
    expect { elements[1] }.to_not raise_unknown_object_exception
  end
end