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require "helper"
class Nokogiri::XML::Node
class TestAttributeMethods < Nokogiri::TestCase
def setup
super
@xml = Nokogiri::XML(File.read(XML_FILE), XML_FILE)
end
def test_each
attributes = []
@xml.xpath("//address")[1].each do |key, value|
attributes << [key, value]
end
assert_equal [["domestic", "Yes"], ["street", "Yes"]], attributes
end
def test_remove_attribute
address = @xml.xpath("/staff/employee/address").first
assert_equal "Yes", address["domestic"]
attr = address.attributes["domestic"]
returned_attr = address.remove_attribute "domestic"
assert_nil address["domestic"]
assert_equal attr, returned_attr
end
def test_remove_attribute_when_not_found
address = @xml.xpath("/staff/employee/address").first
attr = address.remove_attribute "not-an-attribute"
assert_nil attr
end
def test_attribute_setter_accepts_non_string
address = @xml.xpath("/staff/employee/address").first
assert_equal "Yes", address[:domestic]
address[:domestic] = "Altered Yes"
assert_equal "Altered Yes", address[:domestic]
end
def test_attribute_accessor_accepts_non_string
address = @xml.xpath("/staff/employee/address").first
assert_equal "Yes", address["domestic"]
assert_equal "Yes", address[:domestic]
end
def test_empty_attribute_reading
node = Nokogiri::XML '<foo empty="" whitespace=" "/>'
assert_equal "", node.root["empty"]
assert_equal " ", node.root["whitespace"]
end
def test_delete
address = @xml.xpath("/staff/employee/address").first
assert_equal "Yes", address["domestic"]
address.delete "domestic"
assert_nil address["domestic"]
end
def test_attributes
assert node = @xml.search("//address").first
assert_nil(node["asdfasdfasdf"])
assert_equal("Yes", node["domestic"])
assert node = @xml.search("//address")[2]
attr = node.attributes
assert_equal 2, attr.size
assert_equal "Yes", attr["domestic"].value
assert_equal "Yes", attr["domestic"].to_s
assert_equal "No", attr["street"].value
end
def test_values
assert_equal %w{ Yes Yes }, @xml.xpath("//address")[1].values
end
def test_value?
refute @xml.xpath("//address")[1].value?("no_such_value")
assert @xml.xpath("//address")[1].value?("Yes")
end
def test_keys
assert_equal %w{ domestic street }, @xml.xpath("//address")[1].keys
end
def test_attribute_with_symbol
assert_equal "Yes", @xml.css("address").first[:domestic]
end
def test_non_existent_attribute_should_return_nil
node = @xml.root.first_element_child
assert_nil node.attribute("type")
end
#
# CSS classes, specifically
#
def test_classes
xml = Nokogiri::XML(<<-eoxml)
<div>
<p class=" foo bar foo ">test</p>
<p class="">test</p>
</div>
eoxml
div = xml.at_xpath("//div")
p1, p2 = xml.xpath("//p")
assert_equal [], div.classes
assert_equal %w[foo bar foo], p1.classes
assert_equal [], p2.classes
end
def test_add_class
xml = Nokogiri::XML(<<-eoxml)
<div>
<p class=" foo bar foo ">test</p>
<p class="">test</p>
</div>
eoxml
div = xml.at_xpath("//div")
p1, p2 = xml.xpath("//p")
assert_same div, div.add_class("main")
assert_equal "main", div["class"]
assert_same p1, p1.add_class("baz foo")
assert_equal "foo bar foo baz", p1["class"]
assert_same p2, p2.add_class("foo baz foo")
assert_equal "foo baz foo", p2["class"]
end
def test_append_class
xml = Nokogiri::XML(<<-eoxml)
<div>
<p class=" foo bar foo ">test</p>
<p class="">test</p>
</div>
eoxml
div = xml.at_xpath("//div")
p1, p2 = xml.xpath("//p")
assert_same div, div.append_class("main")
assert_equal "main", div["class"]
assert_same p1, p1.append_class("baz foo")
assert_equal "foo bar foo baz foo", p1["class"]
assert_same p2, p2.append_class("foo baz foo")
assert_equal "foo baz foo", p2["class"]
end
def test_remove_class
xml = Nokogiri::XML(<<-eoxml)
<div>
<p class=" foo bar baz foo ">test</p>
<p class=" foo bar baz foo ">test</p>
<p class="foo foo">test</p>
<p class="">test</p>
</div>
eoxml
div = xml.at_xpath("//div")
p1, p2, p3, p4 = xml.xpath("//p")
assert_same div, div.remove_class("main")
assert_nil div["class"]
assert_same p1, p1.remove_class("bar baz")
assert_equal "foo foo", p1["class"]
assert_same p2, p2.remove_class()
assert_nil p2["class"]
assert_same p3, p3.remove_class("foo")
assert_nil p3["class"]
assert_same p4, p4.remove_class("foo")
assert_nil p4["class"]
end
#
# keyword attributes, generally
#
describe "keyword attribute helpers" do
let(:node) do
Nokogiri::XML::DocumentFragment.parse(<<~EOM).at_css("div")
<div blargh=" foo bar baz bar foo quux foo manx ">hello</div>
EOM
end
describe "setup" do
it { _(node.get_attribute("noob")).must_be_nil }
end
describe "#kwattr_values" do
it "returns an array of space-delimited values" do
_(node.kwattr_values("blargh")).must_equal(%w[foo bar baz bar foo quux foo manx])
end
describe "when no attribute exists" do
it "returns an empty array" do
_(node.kwattr_values("noob")).must_equal([])
end
end
describe "when an empty attribute exists" do
it "returns an empty array" do
node.set_attribute("noob", "")
_(node.kwattr_values("noob")).must_equal([])
node.set_attribute("noob", " ")
_(node.kwattr_values("noob")).must_equal([])
end
end
end
describe "kwattr_add" do
it "returns the node for chaining" do
_(node.kwattr_add("noob", "asdf")).must_be_same_as(node)
end
it "creates a new attribute when necessary" do
_(node.kwattr_add("noob", "asdf").get_attribute("noob")).wont_be_nil
end
it "adds a new bare keyword string" do
_(node.kwattr_add("blargh", "jimmy").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx jimmy])
end
it "does not add a repeated bare keyword string" do
_(node.kwattr_add("blargh", "foo").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx])
end
describe "given a string of keywords" do
it "adds new keywords and ignores existing keywords" do
_(node.kwattr_add("blargh", "foo jimmy\tjohnny").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx jimmy johnny])
end
end
describe "given an array of keywords" do
it "adds new keywords and ignores existing keywords" do
_(node.kwattr_add("blargh", %w[foo jimmy]).kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx jimmy])
end
end
end
describe "kwattr_append" do
it "returns the node for chaining" do
_(node.kwattr_append("noob", "asdf")).must_be_same_as(node)
end
it "creates a new attribute when necessary" do
_(node.kwattr_append("noob", "asdf").get_attribute("noob")).wont_be_nil
end
it "adds a new bare keyword string" do
_(node.kwattr_append("blargh", "jimmy").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx jimmy])
end
it "adds a repeated bare keyword string" do
_(node.kwattr_append("blargh", "foo").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx foo])
end
describe "given a string of keywords" do
it "adds new keywords and existing keywords" do
_(node.kwattr_append("blargh", "foo jimmy\tjohnny").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx foo jimmy johnny])
end
end
describe "given an array of keywords" do
it "adds new keywords and existing keywords" do
_(node.kwattr_append("blargh", %w[foo jimmy]).kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx foo jimmy])
end
end
end
describe "kwattr_remove" do
it "returns the node for chaining" do
_(node.kwattr_remove("noob", "asdf")).must_be_same_as(node)
end
it "gracefully handles a non-existent attribute" do
_(node.kwattr_remove("noob", "asdf").get_attribute("noob")).must_be_nil
end
it "removes an existing bare keyword string" do
_(node.kwattr_remove("blargh", "foo").kwattr_values("blargh")).
must_equal(%w[bar baz bar quux manx])
end
it "gracefully ignores a non-existent bare keyword string" do
_(node.kwattr_remove("blargh", "jimmy").kwattr_values("blargh")).
must_equal(%w[foo bar baz bar foo quux foo manx])
end
describe "given a string of keywords" do
it "removes existing keywords and ignores other keywords" do
_(node.kwattr_remove("blargh", "foo jimmy\tjohnny").kwattr_values("blargh")).
must_equal(%w[bar baz bar quux manx])
end
end
describe "given an array of keywords" do
it "adds new keywords and existing keywords" do
_(node.kwattr_remove("blargh", %w[foo jimmy]).kwattr_values("blargh")).
must_equal(%w[bar baz bar quux manx])
end
end
it "removes the attribute when no values are left" do
_(node.kwattr_remove("blargh", %w[foo bar baz bar foo quux foo manx]).get_attribute("blargh")).must_be_nil
end
end
end
end
end
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