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
|
require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/hash'
class HashExtTest < Test::Unit::TestCase
def setup
@strings = { 'a' => 1, 'b' => 2 }
@symbols = { :a => 1, :b => 2 }
@mixed = { :a => 1, 'b' => 2 }
end
def test_methods
h = {}
assert_respond_to h, :symbolize_keys
assert_respond_to h, :symbolize_keys!
assert_respond_to h, :stringify_keys
assert_respond_to h, :stringify_keys!
assert_respond_to h, :to_options
assert_respond_to h, :to_options!
end
def test_symbolize_keys
assert_equal @symbols, @symbols.symbolize_keys
assert_equal @symbols, @strings.symbolize_keys
assert_equal @symbols, @mixed.symbolize_keys
assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys }
end
def test_symbolize_keys!
assert_equal @symbols, @symbols.dup.symbolize_keys!
assert_equal @symbols, @strings.dup.symbolize_keys!
assert_equal @symbols, @mixed.dup.symbolize_keys!
assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys }
end
def test_stringify_keys
assert_equal @strings, @symbols.stringify_keys
assert_equal @strings, @strings.stringify_keys
assert_equal @strings, @mixed.stringify_keys
end
def test_stringify_keys!
assert_equal @strings, @symbols.dup.stringify_keys!
assert_equal @strings, @strings.dup.stringify_keys!
assert_equal @strings, @mixed.dup.stringify_keys!
end
def test_indifferent_assorted
@strings = @strings.with_indifferent_access
@symbols = @symbols.with_indifferent_access
@mixed = @mixed.with_indifferent_access
assert_equal 'a', @strings.send(:convert_key, :a)
assert_equal 1, @strings.fetch('a')
assert_equal 1, @strings.fetch(:a.to_s)
assert_equal 1, @strings.fetch(:a)
hashes = { :@strings => @strings, :@symbols => @symbols, :@mixed => @mixed }
method_map = { :'[]' => 1, :fetch => 1, :values_at => [1],
:has_key? => true, :include? => true, :key? => true,
:member? => true }
hashes.each do |name, hash|
method_map.sort_by { |m| m.to_s }.each do |meth, expected|
assert_equal(expected, hash.send(meth, 'a'),
"Calling #{name}.#{meth} 'a'")
assert_equal(expected, hash.send(meth, :a),
"Calling #{name}.#{meth} :a")
end
end
assert_equal [1, 2], @strings.values_at('a', 'b')
assert_equal [1, 2], @strings.values_at(:a, :b)
assert_equal [1, 2], @symbols.values_at('a', 'b')
assert_equal [1, 2], @symbols.values_at(:a, :b)
assert_equal [1, 2], @mixed.values_at('a', 'b')
assert_equal [1, 2], @mixed.values_at(:a, :b)
end
def test_indifferent_writing
hash = HashWithIndifferentAccess.new
hash[:a] = 1
hash['b'] = 2
hash[3] = 3
assert_equal hash['a'], 1
assert_equal hash['b'], 2
assert_equal hash[:a], 1
assert_equal hash[:b], 2
assert_equal hash[3], 3
end
def test_indifferent_update
hash = HashWithIndifferentAccess.new
hash[:a] = 'a'
hash['b'] = 'b'
updated_with_strings = hash.update(@strings)
updated_with_symbols = hash.update(@symbols)
updated_with_mixed = hash.update(@mixed)
assert_equal updated_with_strings[:a], 1
assert_equal updated_with_strings['a'], 1
assert_equal updated_with_strings['b'], 2
assert_equal updated_with_symbols[:a], 1
assert_equal updated_with_symbols['b'], 2
assert_equal updated_with_symbols[:b], 2
assert_equal updated_with_mixed[:a], 1
assert_equal updated_with_mixed['b'], 2
assert [updated_with_strings, updated_with_symbols, updated_with_mixed].all? {|hash| hash.keys.size == 2}
end
def test_indifferent_merging
hash = HashWithIndifferentAccess.new
hash[:a] = 'failure'
hash['b'] = 'failure'
other = { 'a' => 1, :b => 2 }
merged = hash.merge(other)
assert_equal HashWithIndifferentAccess, merged.class
assert_equal 1, merged[:a]
assert_equal 2, merged['b']
hash.update(other)
assert_equal 1, hash[:a]
assert_equal 2, hash['b']
end
def test_assert_valid_keys
assert_nothing_raised do
{ :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
{ :failure => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
end
assert_raises(ArgumentError, "Unknown key(s): failore") do
{ :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
{ :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
end
end
def test_indifferent_subhashes
h = {'user' => {'id' => 5}}.with_indifferent_access
['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}
h = {:user => {:id => 5}}.with_indifferent_access
['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}
end
def test_assorted_keys_not_stringified
original = {Object.new => 2, 1 => 2, [] => true}
indiff = original.with_indifferent_access
assert(!indiff.keys.any? {|k| k.kind_of? String}, "A key was converted to a string!")
end
def test_reverse_merge
assert_equal({ :a => 1, :b => 2, :c => 10 }, { :a => 1, :b => 2 }.reverse_merge({:a => "x", :b => "y", :c => 10}) )
end
end
|