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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
# frozen_string_literal: true
require "abstract_unit"
require "active_support/core_ext/string/inflections"
require "yaml"
class SafeBufferTest < ActiveSupport::TestCase
def setup
@buffer = ActiveSupport::SafeBuffer.new
end
def test_titleize
assert_equal "Foo", "foo".html_safe.titleize
end
test "Should look like a string" do
assert @buffer.is_a?(String)
assert_equal "", @buffer
end
test "Should escape a raw string which is passed to them" do
@buffer << "<script>"
assert_equal "<script>", @buffer
end
test "Should NOT escape a safe value passed to it" do
@buffer << "<script>".html_safe
assert_equal "<script>", @buffer
end
test "Should not mess with an innocuous string" do
@buffer << "Hello"
assert_equal "Hello", @buffer
end
test "Should not mess with a previously escape test" do
@buffer << ERB::Util.html_escape("<script>")
assert_equal "<script>", @buffer
end
test "Should be considered safe" do
assert @buffer.html_safe?
end
test "Should return a safe buffer when calling to_s" do
new_buffer = @buffer.to_s
assert_equal ActiveSupport::SafeBuffer, new_buffer.class
end
test "Should be converted to_yaml" do
str = "hello!"
buf = ActiveSupport::SafeBuffer.new str
yaml = buf.to_yaml
assert_match(/^--- #{str}/, yaml)
assert_equal "hello!", YAML.load(yaml)
end
test "Should work in nested to_yaml conversion" do
str = "hello!"
data = { "str" => ActiveSupport::SafeBuffer.new(str) }
yaml = YAML.dump data
assert_equal({ "str" => str }, YAML.load(yaml))
end
test "Should work with primitive-like-strings in to_yaml conversion" do
assert_equal "true", YAML.load(ActiveSupport::SafeBuffer.new("true").to_yaml)
assert_equal "false", YAML.load(ActiveSupport::SafeBuffer.new("false").to_yaml)
assert_equal "1", YAML.load(ActiveSupport::SafeBuffer.new("1").to_yaml)
assert_equal "1.1", YAML.load(ActiveSupport::SafeBuffer.new("1.1").to_yaml)
end
test "Should work with underscore" do
str = "MyTest".html_safe.underscore
assert_equal "my_test", str
end
test "Should not return safe buffer from gsub" do
altered_buffer = @buffer.gsub("", "asdf")
assert_equal "asdf", altered_buffer
assert !altered_buffer.html_safe?
end
test "Should not return safe buffer from gsub!" do
@buffer.gsub!("", "asdf")
assert_equal "asdf", @buffer
assert !@buffer.html_safe?
end
test "Should escape dirty buffers on add" do
clean = "hello".html_safe
@buffer.gsub!("", "<>")
assert_equal "hello<>", clean + @buffer
end
test "Should concat as a normal string when safe" do
clean = "hello".html_safe
@buffer.gsub!("", "<>")
assert_equal "<>hello", @buffer + clean
end
test "Should preserve html_safe? status on copy" do
@buffer.gsub!("", "<>")
assert !@buffer.dup.html_safe?
end
test "Should return safe buffer when added with another safe buffer" do
clean = "<script>".html_safe
result_buffer = @buffer + clean
assert result_buffer.html_safe?
assert_equal "<script>", result_buffer
end
test "Should raise an error when safe_concat is called on unsafe buffers" do
@buffer.gsub!("", "<>")
assert_raise ActiveSupport::SafeBuffer::SafeConcatError do
@buffer.safe_concat "BUSTED"
end
end
test "Should not fail if the returned object is not a string" do
assert_kind_of NilClass, @buffer.slice("chipchop")
end
test "clone_empty returns an empty buffer" do
assert_equal "", ActiveSupport::SafeBuffer.new("foo").clone_empty
end
test "clone_empty keeps the original dirtyness" do
assert @buffer.clone_empty.html_safe?
assert !@buffer.gsub!("", "").clone_empty.html_safe?
end
test "Should be safe when sliced if original value was safe" do
new_buffer = @buffer[0, 0]
assert_not_nil new_buffer
assert new_buffer.html_safe?, "should be safe"
end
test "Should continue unsafe on slice" do
x = "foo".html_safe.gsub!("f", '<script>alert("lolpwnd");</script>')
# calling gsub! makes the dirty flag true
assert !x.html_safe?, "should not be safe"
# getting a slice of it
y = x[0..-1]
# should still be unsafe
assert !y.html_safe?, "should not be safe"
end
test "Should work with interpolation (array argument)" do
x = "foo %s bar".html_safe % ["qux"]
assert_equal "foo qux bar", x
end
test "Should work with interpolation (hash argument)" do
x = "foo %{x} bar".html_safe % { x: "qux" }
assert_equal "foo qux bar", x
end
test "Should escape unsafe interpolated args" do
x = "foo %{x} bar".html_safe % { x: "<br/>" }
assert_equal "foo <br/> bar", x
end
test "Should not escape safe interpolated args" do
x = "foo %{x} bar".html_safe % { x: "<br/>".html_safe }
assert_equal "foo <br/> bar", x
end
test "Should interpolate to a safe string" do
x = "foo %{x} bar".html_safe % { x: "qux" }
assert x.html_safe?, "should be safe"
end
test "Should not affect frozen objects when accessing characters" do
x = "Hello".html_safe
assert_nil x[/a/, 1]
end
end
|
