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# frozen_string_literal: true
require 'spec_helper'
describe XPath::Union do
let(:template) { File.read(File.expand_path('fixtures/simple.html', File.dirname(__FILE__))) }
let(:doc) { Nokogiri::HTML(template) }
describe '#expressions' do
it 'should return the expressions' do
@expr1 = XPath.generate { |x| x.descendant(:p) }
@expr2 = XPath.generate { |x| x.descendant(:div) }
@collection = XPath::Union.new(@expr1, @expr2)
@collection.expressions.should eq [@expr1, @expr2]
end
end
describe '#each' do
it 'should iterate through the expressions' do
@expr1 = XPath.generate { |x| x.descendant(:p) }
@expr2 = XPath.generate { |x| x.descendant(:div) }
@collection = XPath::Union.new(@expr1, @expr2)
exprs = []
@collection.each { |expr| exprs << expr }
exprs.should eq [@expr1, @expr2]
end
end
describe '#map' do
it 'should map the expressions' do
@expr1 = XPath.generate { |x| x.descendant(:p) }
@expr2 = XPath.generate { |x| x.descendant(:div) }
@collection = XPath::Union.new(@expr1, @expr2)
@collection.map(&:expression).should eq %i[descendant descendant]
end
end
describe '#to_xpath' do
it 'should create a valid xpath expression' do
@expr1 = XPath.generate { |x| x.descendant(:p) }
@expr2 = XPath.generate { |x| x.descendant(:div).where(x.attr(:id) == 'foo') }
@collection = XPath::Union.new(@expr1, @expr2)
@results = doc.xpath(@collection.to_xpath)
@results[0][:title].should eq 'fooDiv'
@results[1].text.should eq 'Blah'
@results[2].text.should eq 'Bax'
end
end
describe '#where and others' do
it 'should be delegated to the individual expressions' do
@expr1 = XPath.generate { |x| x.descendant(:p) }
@expr2 = XPath.generate { |x| x.descendant(:div) }
@collection = XPath::Union.new(@expr1, @expr2)
@xpath1 = @collection.where(XPath.attr(:id) == 'foo').to_xpath
@xpath2 = @collection.where(XPath.attr(:id) == 'fooDiv').to_xpath
@results = doc.xpath(@xpath1)
@results[0][:title].should eq 'fooDiv'
@results = doc.xpath(@xpath2)
@results[0][:id].should eq 'fooDiv'
end
end
end
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