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# frozen_string_literal: true
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(["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(["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_empty(div.classes)
assert_equal(["foo", "bar", "foo"], p1.classes)
assert_empty(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(["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(["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(["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(["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", ["foo", "jimmy"]).kwattr_values("blargh"))
.must_equal(["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(["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(["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(["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", ["foo", "jimmy"]).kwattr_values("blargh"))
.must_equal(["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(["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(["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(["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", ["foo", "jimmy"]).kwattr_values("blargh"))
.must_equal(["bar", "baz", "bar", "quux", "manx"])
end
end
it "removes the attribute when no values are left" do
_(node.kwattr_remove("blargh", ["foo", "bar", "baz", "bar", "foo", "quux", "foo", "manx"]).get_attribute("blargh")).must_be_nil
end
end
end
end
end
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