1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
require 'abstract_unit'
class CaptureHelperTest < ActionView::TestCase
def setup
super
@av = ActionView::Base.new
@_view_flow = ActionView::OutputFlow.new
end
def test_capture_captures_the_temporary_output_buffer_in_its_block
assert_nil @av.output_buffer
string = @av.capture do
@av.output_buffer << 'foo'
@av.output_buffer << 'bar'
end
assert_nil @av.output_buffer
assert_equal 'foobar', string
end
def test_capture_captures_the_value_returned_by_the_block_if_the_temporary_buffer_is_blank
string = @av.capture('foo', 'bar') do |a, b|
a + b
end
assert_equal 'foobar', string
end
def test_capture_returns_nil_if_the_returned_value_is_not_a_string
assert_nil @av.capture { 1 }
end
def test_capture_escapes_html
string = @av.capture { '<em>bar</em>' }
assert_equal '<em>bar</em>', string
end
def test_capture_doesnt_escape_twice
string = @av.capture { '<em>bar</em>'.html_safe }
assert_equal '<em>bar</em>', string
end
def test_content_for
assert ! content_for?(:title)
content_for :title, 'title'
assert content_for?(:title)
assert ! content_for?(:something_else)
end
def test_with_output_buffer_swaps_the_output_buffer_given_no_argument
assert_nil @av.output_buffer
buffer = @av.with_output_buffer do
@av.output_buffer << '.'
end
assert_equal '.', buffer
assert_nil @av.output_buffer
end
def test_with_output_buffer_swaps_the_output_buffer_with_an_argument
assert_nil @av.output_buffer
buffer = ActionView::OutputBuffer.new('.')
@av.with_output_buffer(buffer) do
@av.output_buffer << '.'
end
assert_equal '..', buffer
assert_nil @av.output_buffer
end
def test_with_output_buffer_restores_the_output_buffer
buffer = ActionView::OutputBuffer.new
@av.output_buffer = buffer
@av.with_output_buffer do
@av.output_buffer << '.'
end
assert buffer.equal?(@av.output_buffer)
end
unless RUBY_VERSION < '1.9'
def test_with_output_buffer_sets_proper_encoding
@av.output_buffer = ActionView::OutputBuffer.new
# Ensure we set the output buffer to an encoding different than the default one.
alt_encoding = alt_encoding(@av.output_buffer)
@av.output_buffer.force_encoding(alt_encoding)
@av.with_output_buffer do
assert_equal alt_encoding, @av.output_buffer.encoding
end
end
end
def test_with_output_buffer_does_not_assume_there_is_an_output_buffer
assert_nil @av.output_buffer
assert_equal "", @av.with_output_buffer {}
end
def test_flush_output_buffer_concats_output_buffer_to_response
view = view_with_controller
assert_equal [], view.response.body_parts
view.output_buffer << 'OMG'
view.flush_output_buffer
assert_equal ['OMG'], view.response.body_parts
assert_equal '', view.output_buffer
view.output_buffer << 'foobar'
view.flush_output_buffer
assert_equal ['OMG', 'foobar'], view.response.body_parts
assert_equal '', view.output_buffer
end
unless RUBY_VERSION < '1.9'
def test_flush_output_buffer_preserves_the_encoding_of_the_output_buffer
view = view_with_controller
alt_encoding = alt_encoding(view.output_buffer)
view.output_buffer.force_encoding(alt_encoding)
flush_output_buffer
assert_equal alt_encoding, view.output_buffer.encoding
end
end
def alt_encoding(output_buffer)
output_buffer.encoding == Encoding::US_ASCII ? Encoding::UTF_8 : Encoding::US_ASCII
end
def view_with_controller
TestController.new.view_context.tap do |view|
view.output_buffer = ActionView::OutputBuffer.new
end
end
end
|
