Created
May 13, 2013 14:42
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| require 'nokogiri' | |
| require 'rspec' | |
| describe "nth-child" do | |
| let(:doc) do | |
| Nokogiri::HTML(<<-HTML) | |
| <html> | |
| <body> | |
| <p id="first"></p> | |
| <p id="second"></p> | |
| </body> | |
| </html> | |
| HTML | |
| end | |
| let(:first) { doc.at_css("#first") } | |
| let(:second) { doc.at_css("#second") } | |
| it "returns both nodes with '1n'" do | |
| nodes = doc.css("p:nth-child(1n)") | |
| expect(nodes).to include(first) | |
| expect(nodes).to include(second) | |
| end | |
| it "returns only the second node with '2n'" do | |
| nodes = doc.css("p:nth-child(2n)") | |
| expect(nodes).to include(second) | |
| end | |
| it "returns only the first node with '2n + 1'" do | |
| nodes = doc.css("p:nth-child(2n + 1)") | |
| expect(nodes).to include(first) | |
| end | |
| it "returns only the first node with '1'" do | |
| nodes = doc.css("p:nth-child(1)") | |
| expect(nodes).to include(first) | |
| end | |
| it "returns only the second node with '2'" do | |
| nodes = doc.css("p:nth-child(2)") | |
| expect(nodes).to include(second) | |
| end | |
| end |
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