-
-
Notifications
You must be signed in to change notification settings - Fork 409
/
interpolation.rb
121 lines (102 loc) · 6.07 KB
/
interpolation.rb
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
# encoding: utf-8
module Tests
module Api
module Interpolation
def interpolate(*args)
options = args.last.is_a?(Hash) ? args.pop : {}
key = args.pop
I18n.backend.translate('en', key, options)
end
# If no interpolation parameter is not given, I18n should not alter the string.
# This behavior is due to three reasons:
#
# * Checking interpolation keys in all strings hits performance, badly;
#
# * This allows us to retrieve untouched values through I18n. For example
# I could have a middleware that returns I18n lookup results in JSON
# to be processed through Javascript. Leaving the keys untouched allows
# the interpolation to happen at the javascript level;
#
# * Security concerns: if I allow users to translate a web site, they can
# insert %{} in messages causing the I18n lookup to fail in every request.
#
define_method "test interpolation: given no values it does not alter the string" do
assert_equal 'Hi %{name}!', interpolate(:default => 'Hi %{name}!')
end
define_method "test interpolation: given values it interpolates them into the string" do
assert_equal 'Hi David!', interpolate(:default => 'Hi %{name}!', :name => 'David')
end
define_method "test interpolation: given a nil value it still interpolates it into the string" do
assert_equal 'Hi !', interpolate(:default => 'Hi %{name}!', :name => nil)
end
define_method "test interpolation: given a lambda as a value it calls it if the string contains the key" do
assert_equal 'Hi David!', interpolate(:default => 'Hi %{name}!', :name => lambda { |*args| 'David' })
end
define_method "test interpolation: given a lambda as a value it does not call it if the string does not contain the key" do
assert_nothing_raised { interpolate(:default => 'Hi!', :name => lambda { |*args| raise 'fail' }) }
end
define_method "test interpolation: given values but missing a key it raises I18n::MissingInterpolationArgument" do
assert_raise(I18n::MissingInterpolationArgument) do
interpolate(:default => '%{foo}', :bar => 'bar')
end
end
define_method "test interpolation: it does not raise I18n::MissingInterpolationArgument for escaped variables" do
assert_nothing_raised(I18n::MissingInterpolationArgument) do
assert_equal 'Barr %{foo}', interpolate(:default => '%{bar} %%{foo}', :bar => 'Barr')
end
end
define_method "test interpolation: it does not change the original, stored translation string" do
I18n.backend.store_translations(:en, :interpolate => 'Hi %{name}!')
assert_equal 'Hi David!', interpolate(:interpolate, :name => 'David')
assert_equal 'Hi Yehuda!', interpolate(:interpolate, :name => 'Yehuda')
end
define_method "test interpolation: works with the deprecated syntax" do
deprecation = capture(:stderr) do
assert_equal 'Hi David!', interpolate(:default => 'Hi {{name}}!', :name => 'David')
end
assert_match "The {{key}} interpolation syntax in I18n messages is deprecated", deprecation
end
define_method "test interpolation: given the translation is in utf-8 it still works" do
assert_equal 'Häi David!', interpolate(:default => 'Häi %{name}!', :name => 'David')
end
define_method "test interpolation: given the value is in utf-8 it still works" do
assert_equal 'Hi ゆきひろ!', interpolate(:default => 'Hi %{name}!', :name => 'ゆきひろ')
end
define_method "test interpolation: given the translation and the value are in utf-8 it still works" do
assert_equal 'こんにちは、ゆきひろさん!', interpolate(:default => 'こんにちは、%{name}さん!', :name => 'ゆきひろ')
end
if Kernel.const_defined?(:Encoding)
define_method "test interpolation: given a euc-jp translation and a utf-8 value it raises Encoding::CompatibilityError" do
assert_raise(Encoding::CompatibilityError) do
interpolate(:default => euc_jp('こんにちは、%{name}さん!'), :name => 'ゆきひろ')
end
end
define_method "test interpolation: given a utf-8 translation and a euc-jp value it raises Encoding::CompatibilityError" do
assert_raise(Encoding::CompatibilityError) do
interpolate(:default => 'こんにちは、%{name}さん!', :name => euc_jp('ゆきひろ'))
end
end
define_method "test interpolation: ASCII strings in the backend should be encoded to UTF8 if interpolation options are in UTF8" do
I18n.backend.store_translations 'en', 'encoding' => ('%{who} let me go'.force_encoding("ASCII"))
result = I18n.t 'encoding', :who => "måmmå miå"
assert_equal Encoding::UTF_8, result.encoding
end
define_method "test interpolation: UTF8 strings in the backend are still returned as UTF8 with ASCII interpolation" do
I18n.backend.store_translations 'en', 'encoding' => 'måmmå miå %{what}'
result = I18n.t 'encoding', :what => 'let me go'.force_encoding("ASCII")
assert_equal Encoding::UTF_8, result.encoding
end
define_method "test interpolation: UTF8 strings in the backend are still returned as UTF8 even with numbers interpolation" do
I18n.backend.store_translations 'en', 'encoding' => '%{count} times: måmmå miå'
result = I18n.t 'encoding', :count => 3
assert_equal Encoding::UTF_8, result.encoding
end
end
define_method "test interpolation: given a translations containing a reserved key it raises I18n::ReservedInterpolationKey" do
assert_raise(I18n::ReservedInterpolationKey) { interpolate(:default => '%{default}', :foo => :bar) }
assert_raise(I18n::ReservedInterpolationKey) { interpolate(:default => '%{scope}', :foo => :bar) }
assert_raise(I18n::ReservedInterpolationKey) { interpolate(:default => '%{separator}', :foo => :bar) }
end
end
end
end