Methods
Public Class methods
[ show source ]
# File actionpack/lib/action_controller/assertions/dom_assertions.rb, line 4
4: def self.strip_whitespace!(nodes)
5: nodes.reject! do |node|
6: if node.is_a?(HTML::Text)
7: node.content.strip!
8: node.content.empty?
9: else
10: strip_whitespace! node.children
11: false
12: end
13: end
14: end
Public Instance methods
Test two HTML strings for equivalency (e.g., identical up to reordering of attributes)
Examples
# assert that the referenced method generates the appropriate HTML string
assert_dom_equal '<a href="http://www.example.com">Apples</a>', link_to("Apples", "http://www.example.com")
[ show source ]
# File actionpack/lib/action_controller/assertions/dom_assertions.rb, line 23
23: def assert_dom_equal(expected, actual, message = "")
24: clean_backtrace do
25: expected_dom = HTML::Document.new(expected).root
26: actual_dom = HTML::Document.new(actual).root
27: DomAssertions.strip_whitespace!(expected_dom.children)
28: DomAssertions.strip_whitespace!(actual_dom.children)
29:
30: full_message = build_message(message, "<?> expected but was\n<?>.", expected_dom.to_s, actual_dom.to_s)
31: assert_block(full_message) { expected_dom == actual_dom }
32: end
33: end
The negated form of assert_dom_equal.
Examples
# assert that the referenced method does not generate the specified HTML string
assert_dom_not_equal '<a href="http://www.example.com">Apples</a>', link_to("Oranges", "http://www.example.com")
[ show source ]
# File actionpack/lib/action_controller/assertions/dom_assertions.rb, line 42
42: def assert_dom_not_equal(expected, actual, message = "")
43: clean_backtrace do
44: expected_dom = HTML::Document.new(expected).root
45: actual_dom = HTML::Document.new(actual).root
46: DomAssertions.strip_whitespace!(expected_dom.children)
47: DomAssertions.strip_whitespace!(actual_dom.children)
48:
49: full_message = build_message(message, "<?> expected to be != to\n<?>.", expected_dom.to_s, actual_dom.to_s)
50: assert_block(full_message) { expected_dom != actual_dom }
51: end
52: end