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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
require 'spec_helper'
describe NestedMultimap, "with inital values" do
it_should_behave_like "Enumerable Multimap with inital values {'a' => [100], 'b' => [200, 300]}"
it_should_behave_like "Hash Multimap with inital values {'a' => [100], 'b' => [200, 300]}"
before do
@map = NestedMultimap["a" => [100], "b" => [200, 300]]
end
it "should set value at nested key" do
@map["foo", "bar", "baz"] = 100
@map["foo", "bar", "baz"].should eql([100])
end
it "should allow nil keys to be set" do
@map["b", nil] = 400
@map["b", "c"] = 500
@map["a"].should eql([100])
@map["b"].should eql([200, 300])
@map["b", nil].should eql([200, 300, 400])
@map["b", "c"].should eql([200, 300, 500])
end
it "should treat missing keys as append to all" do
@map[] = 400
@map["a"].should eql([100, 400])
@map["b"].should eql([200, 300, 400])
@map["c"].should eql([400])
@map[nil].should eql([400])
end
it "should append the value to default containers" do
@map << 400
@map["a"].should eql([100, 400])
@map["b"].should eql([200, 300, 400])
@map["c"].should eql([400])
@map[nil].should eql([400])
end
it "should append the value to all containers" do
@map << 500
@map["a"].should eql([100, 500])
@map["b"].should eql([200, 300, 500])
@map[nil].should eql([500])
end
it "default values should be copied to new containers" do
@map << 300
@map["x"] = 100
@map["x"].should eql([300, 100])
end
it "should list all containers" do
@map.containers.should sorted_eql([[100], [200, 300]])
end
it "should list all values" do
@map.values.should sorted_eql([100, 200, 300])
end
end
describe NestedMultimap, "with nested values" do
before do
@map = NestedMultimap.new
@map["a"] = 100
@map["b"] = 200
@map["b", "c"] = 300
@map["c", "e"] = 400
@map["c"] = 500
end
it "should retrieve container of values for key" do
@map["a"].should eql([100])
@map["b"].should eql([200])
@map["c"].should eql([500])
@map["a", "b"].should eql([100])
@map["b", "c"].should eql([200, 300])
@map["c", "e"].should eql([400, 500])
end
it "should append the value to default containers" do
@map << 600
@map["a"].should eql([100, 600])
@map["b"].should eql([200, 600])
@map["c"].should eql([500, 600])
@map["a", "b"].should eql([100, 600])
@map["b", "c"].should eql([200, 300, 600])
@map["c", "e"].should eql([400, 500, 600])
@map[nil].should eql([600])
end
it "should duplicate the containers" do
map2 = @map.dup
map2.should_not equal(@map)
map2.should eql(@map)
map2["a"].should eql([100])
map2["b"].should eql([200])
map2["c"].should eql([500])
map2["a", "b"].should eql([100])
map2["b", "c"].should eql([200, 300])
map2["c", "e"].should eql([400, 500])
map2["a"].should_not equal(@map["a"])
map2["b"].should_not equal(@map["b"])
map2["c"].should_not equal(@map["c"])
map2["a", "b"].should_not equal(@map["a", "b"])
map2["b", "c"].should_not equal(@map["b", "c"])
map2["c", "e"].should_not equal(@map["c", "e"])
map2.default.should_not equal(@map.default)
map2.default.should eql(@map.default)
end
it "should iterate over each key/value pair and yield an array" do
a = []
@map.each { |pair| a << pair }
a.should sorted_eql([
["a", 100],
[["b", "c"], 200],
[["b", "c"], 300],
[["c", "e"], 400],
[["c", "e"], 500]
])
end
it "should iterate over each key/container" do
a = []
@map.each_association { |key, container| a << [key, container] }
a.should sorted_eql([
["a", [100]],
[["b", "c"], [200, 300]],
[["c", "e"], [400, 500]]
])
end
it "should iterate over each container plus the default" do
a = []
@map.each_container_with_default { |container| a << container }
a.should sorted_eql([
[100],
[200, 300],
[200],
[400, 500],
[500],
[]
])
end
it "should iterate over each key" do
a = []
@map.each_key { |key| a << key }
a.should sorted_eql(["a", ["b", "c"], ["b", "c"], ["c", "e"], ["c", "e"]])
end
it "should iterate over each key/value pair and yield the pair" do
h = {}
@map.each_pair { |key, value| (h[key] ||= []) << value }
h.should eql({
"a" => [100],
["c", "e"] => [400, 500],
["b", "c"] => [200, 300]
})
end
it "should iterate over each value" do
a = []
@map.each_value { |value| a << value }
a.should sorted_eql([100, 200, 300, 400, 500])
end
it "should list all containers" do
@map.containers.should sorted_eql([[100], [200, 300], [400, 500]])
end
it "should list all containers plus the default" do
@map.containers_with_default.should sorted_eql([[100], [200, 300], [200], [400, 500], [500], []])
end
it "should return array of keys" do
@map.keys.should eql(["a", ["b", "c"], ["b", "c"], ["c", "e"], ["c", "e"]])
end
it "should list all values" do
@map.values.should sorted_eql([100, 200, 300, 400, 500])
end
end
describe NestedMultimap, "with", Set do
it_should_behave_like "Enumerable Multimap with inital values {'a' => [100], 'b' => [200, 300]}"
it_should_behave_like "Hash Multimap with inital values {'a' => [100], 'b' => [200, 300]}"
before do
@container = Set
@map = NestedMultimap.new(@container.new)
@map["a"] = 100
@map["b"] = 200
@map["b"] = 300
end
end
|
