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|
# frozen_string_literal: true
require "test_helper"
class DomAssertionsTest < ActiveSupport::TestCase
Assertion = Minitest::Assertion
include Rails::Dom::Testing::Assertions::DomAssertions
def test_responds_to_assert_dom_equal
assert respond_to?(:assert_dom_equal)
end
def test_dom_equal
html = "<a></a>"
assert_dom_equal(html, html.dup)
end
def test_equal_doms_with_different_order_attributes
attributes = %{<a b="hello" c="hello"></a>}
reverse_attributes = %{<a c="hello" b="hello"></a>}
assert_dom_equal(attributes, reverse_attributes)
end
def test_dom_not_equal
assert_dom_not_equal("<a></a>", "<b></b>")
end
def test_unequal_doms_attributes_with_different_order_and_values
attributes = %{<a b="hello" c="hello"></a>}
reverse_attributes = %{<a c="hello" b="goodbye"></a>}
assert_dom_not_equal(attributes, reverse_attributes)
end
def test_custom_message_is_used_in_failures
message = "This is my message."
e = assert_raises(Assertion) do
assert_dom_equal("<a></a>", "<b></b>", message)
end
assert_equal e.message, message
end
def test_unequal_dom_attributes_in_children
assert_dom_not_equal(
%{<a><b c="1" /></a>},
%{<a><b c="2" /></a>}
)
end
def test_dom_equal_with_whitespace_strict
canonical = %{<a><b>hello</b> world</a>}
assert_dom_not_equal(canonical, %{<a>\n<b>hello\n </b> world</a>}, strict: true)
assert_dom_not_equal(canonical, %{<a> \n <b>\n hello</b> world</a>}, strict: true)
assert_dom_not_equal(canonical, %{<a>\n\t<b>hello</b> world</a>}, strict: true)
assert_dom_equal(canonical, %{<a><b>hello</b> world</a>}, strict: true)
end
def test_dom_equal_with_whitespace
canonical = %{<a><b>hello</b> world</a>}
assert_dom_equal(canonical, %{<a>\n<b>hello\n </b> world</a>})
assert_dom_equal(canonical, %{<a>\n<b>hello </b>\nworld</a>})
assert_dom_equal(canonical, %{<a> \n <b>\n hello</b> world</a>})
assert_dom_equal(canonical, %{<a> \n <b> hello </b>world</a>})
assert_dom_equal(canonical, %{<a> \n <b>hello </b>world\n</a>\n})
assert_dom_equal(canonical, %{<a>\n\t<b>hello</b> world</a>})
assert_dom_equal(canonical, %{<a>\n\t<b>hello </b>\n\tworld</a>})
end
def test_dom_equal_with_attribute_whitespace
canonical = %(<div data-wow="Don't strip this">)
assert_dom_equal(canonical, %(<div data-wow="Don't strip this">))
assert_dom_not_equal(canonical, %(<div data-wow="Don't strip this">))
end
def test_dom_equal_with_indentation
canonical = %{<a>hello <b>cruel</b> world</a>}
assert_dom_equal(canonical, <<-HTML)
<a>
hello
<b>cruel</b>
world
</a>
HTML
assert_dom_equal(canonical, <<-HTML)
<a>
hello
<b>cruel</b>
world
</a>
HTML
assert_dom_equal(canonical, <<-HTML)
<a>hello
<b>
cruel
</b>
world</a>
HTML
end
def test_dom_equal_with_surrounding_whitespace
canonical = %{<p>Lorem ipsum dolor</p><p>sit amet, consectetur adipiscing elit</p>}
assert_dom_equal(canonical, <<-HTML)
<p>
Lorem
ipsum
dolor
</p>
<p>
sit amet,
consectetur
adipiscing elit
</p>
HTML
end
def test_dom_not_equal_with_interior_whitespace
with_space = %{<a><b>hello world</b></a>}
without_space = %{<a><b>helloworld</b></a>}
assert_dom_not_equal(with_space, without_space)
end
end
class DomAssertionsHtmlParserSelectionTest < ActiveSupport::TestCase
include DomTestingHelpers
include Rails::Dom::Testing::Assertions::DomAssertions
def setup
super
# https://html.spec.whatwg.org/multipage/parsing.html#an-introduction-to-error-handling-and-strange-cases-in-the-parser
# we use these results to assert that we're invoking the expected parser.
@input = "<p>1<b>2<i>3</b>4</i>5</p>"
@html4_result = jruby? ? "<p>1<b>2<i>3</i></b><i>4</i>5</p>" : "<p>1<b>2<i>3</i></b>45</p>"
@html5_result = jruby? ? nil : "<p>1<b>2<i>3</i></b><i>4</i>5</p>"
end
test "default value is html4" do
assert_equal(:html4, Rails::Dom::Testing.default_html_version)
end
test "default html4, no version specified" do
with_default_html_version(:html4) do
assert_dom_equal(@html4_result, @input)
assert_dom_not_equal(@html5_result, @input)
end
end
test "default html4, html4 specified" do
with_default_html_version(:html4) do
assert_dom_equal(@html4_result, @input, html_version: :html4)
assert_dom_not_equal(@html5_result, @input, html_version: :html4)
end
end
test "default html4, html5 specified" do
skip("html5 is not supported") unless Rails::Dom::Testing.html5_support?
with_default_html_version(:html4) do
assert_dom_equal(@html5_result, @input, html_version: :html5)
assert_dom_not_equal(@html4_result, @input, html_version: :html5)
end
end
test "default html5, no version specified" do
skip("html5 is not supported") unless Rails::Dom::Testing.html5_support?
with_default_html_version(:html5) do
assert_dom_equal(@html5_result, @input)
assert_dom_not_equal(@html4_result, @input)
end
end
test "default html5, html4 specified" do
with_default_html_version(:html5) do
assert_dom_equal(@html4_result, @input, html_version: :html4)
assert_dom_not_equal(@html5_result, @input, html_version: :html4)
end
end
test "default html5, html5 specified" do
skip("html5 is not supported") unless Rails::Dom::Testing.html5_support?
with_default_html_version(:html5) do
assert_dom_equal(@html5_result, @input, html_version: :html5)
assert_dom_not_equal(@html4_result, @input, html_version: :html5)
end
end
test "raise NotImplementedError html5 when not supported" do
Rails::Dom::Testing.stub(:html5_support?, false) do
with_default_html_version(:html5) do
assert_raises(NotImplementedError) { assert_dom_equal("a", "b") }
assert_raises(NotImplementedError) { assert_dom_equal("a", "b", html_version: :html5) }
assert_nothing_raised { assert_dom_equal(@html4_result, @input, html_version: :html4) }
end
end
end
test "default set to invalid" do
with_default_html_version(:html9) do
assert_raises(ArgumentError) { assert_dom_equal("a", "b") }
end
end
test "invalid version specified" do
assert_raises(ArgumentError) { assert_dom_equal("a", "b", html_version: :html9) }
end
end
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