aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/test/inflector_test.rb
blob: 533879cbc2e06823d125e2d4e6a911863eb14ed1 (plain) (blame)
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
require 'test/unit'
require File.dirname(__FILE__) + '/../lib/active_support/inflector'

module Ace
  module Base
    class Case
    end
  end
end

class InflectorTest < Test::Unit::TestCase
  SingularToPlural = {
    "search"      => "searches",
    "switch"      => "switches",
    "fix"         => "fixes",
    "box"         => "boxes",
    "process"     => "processes",
    "address"     => "addresses",
    "case"        => "cases",
    "stack"       => "stacks",
    "wish"        => "wishes",
    "fish"        => "fish",

    "category"    => "categories",
    "query"       => "queries",
    "ability"     => "abilities",
    "agency"      => "agencies",
    "movie"       => "movies",

    "archive"     => "archives",

    "wife"        => "wives",
    "safe"        => "saves",
    "half"        => "halves",

    "salesperson" => "salespeople",
    "person"      => "people",

    "spokesman"   => "spokesmen",
    "man"         => "men",
    "woman"       => "women",

    "basis"       => "bases",
    "diagnosis"   => "diagnoses",

    "datum"       => "data",
    "medium"      => "media",
    "analysis"    => "analyses",

    "node_child"  => "node_children",
    "child"       => "children",

    "experience"  => "experiences",
    "day"         => "days",

    "comment"     => "comments",
    "foobar"      => "foobars",
    "newsletter"  => "newsletters",

    "old_news"    => "old_news",
    "news"        => "news",
    
    "series"      => "series",
    "species"     => "species",

    "perspective" => "perspectives",
    
    "ox" => "oxen",
    "photo" => "photos",
    "buffalo" => "buffaloes",
    "tomato" => "tomatoes",
    "dwarf" => "dwarves",
    "elf" => "elves",
    "information" => "information",
    "equipment" => "equipment",
    "bus" => "buses",
    "mouse" => "mice",

    "louse" => "lice",
    "house" => "houses",
    "octopus" => "octopi",
    "virus" => "viri",
    "alias" => "aliases",
    "portfolio" => "portfolios",
    
    "vertex" => "vertices",
    "matrix" => "matrices",
    
    "axis" => "axes",
    "testis" => "testes",
    "crisis" => "crises",
    
    "rice" => "rice",
    "shoe" => "shoes",
    
    "horse" => "horses",
    "prize" => "prizes",
    "edge" => "edges"
  }

  CamelToUnderscore = {
    "Product"               => "product",
    "SpecialGuest"          => "special_guest",
    "ApplicationController" => "application_controller",
    "Area51Controller"      => "area51_controller"
  }
  
  CamelWithModuleToUnderscoreWithSlash = {
    "Admin::Product" => "admin/product",
    "Users::Commission::Department" => "users/commission/department",
    "UsersSection::CommissionDepartment" => "users_section/commission_department",
  }

  ClassNameToForeignKeyWithUnderscore = {
    "Person" => "person_id",
    "MyApplication::Billing::Account" => "account_id"
  }

  ClassNameToForeignKeyWithoutUnderscore = {
    "Person" => "personid",
    "MyApplication::Billing::Account" => "accountid"
  }
  
  ClassNameToTableName = {
    "PrimarySpokesman" => "primary_spokesmen",
    "NodeChild"        => "node_children"
  }
  
  UnderscoreToHuman = {
    "employee_salary" => "Employee salary",
    "underground"     => "Underground"
  }

  def test_pluralize_plurals
    assert_equal "plurals", Inflector.pluralize("plurals")
    assert_equal "Plurals", Inflector.pluralize("Plurals")
  end

  SingularToPlural.each do |singular, plural|
    define_method "test_pluralize_#{singular}" do
      assert_equal(plural, Inflector.pluralize(singular))
      assert_equal(plural.capitalize, Inflector.pluralize(singular.capitalize))
    end
  end

  SingularToPlural.each do |singular, plural|
    define_method "test_singularize_#{plural}" do
      assert_equal(singular, Inflector.singularize(plural))
      assert_equal(singular.capitalize, Inflector.singularize(plural.capitalize))
    end
  end

  def test_camelize
    CamelToUnderscore.each do |camel, underscore|
      assert_equal(camel, Inflector.camelize(underscore))
    end
  end

  def test_underscore
    CamelToUnderscore.each do |camel, underscore|
      assert_equal(underscore, Inflector.underscore(camel))
    end
    
    assert_equal "html_tidy", Inflector.underscore("HTMLTidy")
    assert_equal "html_tidy_generator", Inflector.underscore("HTMLTidyGenerator")
  end

  def test_camelize_with_module
    CamelWithModuleToUnderscoreWithSlash.each do |camel, underscore|
      assert_equal(camel, Inflector.camelize(underscore))
    end
  end
  
  def test_underscore_with_slashes
    CamelWithModuleToUnderscoreWithSlash.each do |camel, underscore|
      assert_equal(underscore, Inflector.underscore(camel))
    end
  end

  def test_demodulize
    assert_equal "Account", Inflector.demodulize("MyApplication::Billing::Account")
  end

  def test_foreign_key
    ClassNameToForeignKeyWithUnderscore.each do |klass, foreign_key|
      assert_equal(foreign_key, Inflector.foreign_key(klass))
    end

    ClassNameToForeignKeyWithoutUnderscore.each do |klass, foreign_key|
      assert_equal(foreign_key, Inflector.foreign_key(klass, false))
    end
  end

  def test_tableize
    ClassNameToTableName.each do |class_name, table_name|
      assert_equal(table_name, Inflector.tableize(class_name))
    end
  end

  def test_classify
    ClassNameToTableName.each do |class_name, table_name|
      assert_equal(class_name, Inflector.classify(table_name))
    end
  end
  
  def test_humanize
    UnderscoreToHuman.each do |underscore, human|
      assert_equal(human, Inflector.humanize(underscore))
    end
  end
  
  def test_constantize
    assert_equal Ace::Base::Case, Inflector.constantize("Ace::Base::Case")
    assert_equal InflectorTest, Inflector.constantize("InflectorTest")
    assert_raises(NameError) { Inflector.constantize("UnknownClass") }
  end
end