aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/migration_test.rb
blob: fa08cf4cf3f2b87581315cf6bd638b0b25fab4b0 (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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
require 'abstract_unit'
require 'fixtures/person'
require File.dirname(__FILE__) + '/fixtures/migrations/1_people_have_last_names'
require File.dirname(__FILE__) + '/fixtures/migrations/2_we_need_reminders'

if ActiveRecord::Base.connection.supports_migrations? 

  class Reminder < ActiveRecord::Base; end

  class MigrationTest < Test::Unit::TestCase
    def setup
    end

    def teardown
      ActiveRecord::Base.connection.initialize_schema_information
      ActiveRecord::Base.connection.update "UPDATE schema_info SET version = 0"

      Reminder.connection.drop_table("reminders") rescue nil
      Reminder.connection.drop_table("people_reminders") rescue nil
      Reminder.reset_column_information

      Person.connection.remove_column("people", "last_name") rescue nil
      Person.connection.remove_column("people", "bio") rescue nil
      Person.connection.remove_column("people", "age") rescue nil
      Person.connection.remove_column("people", "height") rescue nil
      Person.connection.remove_column("people", "birthday") rescue nil
      Person.connection.remove_column("people", "favorite_day") rescue nil
      Person.connection.remove_column("people", "male") rescue nil
      Person.connection.remove_column("people", "administrator") rescue nil
      Person.reset_column_information
    end
    
    def test_add_index
      Person.connection.add_column "people", "last_name", :string        
      Person.connection.add_column "people", "administrator", :boolean
      
      assert_nothing_raised { Person.connection.add_index("people", "last_name") }
      assert_nothing_raised { Person.connection.remove_index("people", "last_name") }

      assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
      assert_nothing_raised { Person.connection.remove_index("people", "last_name") }

      assert_nothing_raised { Person.connection.add_index("people", %w(last_name first_name administrator), :name => "named_admin") }
      assert_nothing_raised { Person.connection.remove_index("people", :name => "named_admin") }
    end

    def test_create_table_adds_id
      Person.connection.create_table :testings do |t|
        t.column :foo, :string
      end

      assert_equal %w(foo id),
        Person.connection.columns(:testings).map { |c| c.name }.sort
    ensure
      Person.connection.drop_table :testings rescue nil
    end

    def test_create_table_with_not_null_column
      Person.connection.create_table :testings do |t|
        t.column :foo, :string, :null => false
      end

      assert_raises(ActiveRecord::StatementInvalid) do
        Person.connection.execute "insert into testings (foo) values (NULL)"
      end
    ensure
      Person.connection.drop_table :testings rescue nil
    end
  
    def test_add_column_not_null
      Person.connection.create_table :testings do |t|
        t.column :foo, :string
      end
      Person.connection.add_column :testings, :bar, :string, :null => false

      assert_raises(ActiveRecord::StatementInvalid) do
        Person.connection.execute "insert into testings (foo, bar) values ('hello', NULL)"
      end
    ensure
      Person.connection.drop_table :testings rescue nil
    end
  
    def test_native_types
      Person.delete_all
      Person.connection.add_column "people", "last_name", :string
      Person.connection.add_column "people", "bio", :text
      Person.connection.add_column "people", "age", :integer
      Person.connection.add_column "people", "height", :float
      Person.connection.add_column "people", "birthday", :datetime
      Person.connection.add_column "people", "favorite_day", :date
      Person.connection.add_column "people", "male", :boolean
      assert_nothing_raised { Person.create :first_name => 'bob', :last_name => 'bobsen', :bio => "I was born ....", :age => 18, :height => 1.78, :birthday => 18.years.ago, :favorite_day => 10.days.ago, :male => true }
      bob = Person.find(:first)
        
      assert_equal bob.first_name, 'bob'
      assert_equal bob.last_name, 'bobsen'
      assert_equal bob.bio, "I was born ...."
      assert_equal bob.age, 18
      assert_equal bob.male?, true
    
      assert_equal String, bob.first_name.class
      assert_equal String, bob.last_name.class
      assert_equal String, bob.bio.class
      assert_equal Fixnum, bob.age.class
      assert_equal Time, bob.birthday.class
      assert_equal Date, bob.favorite_day.class
      assert_equal TrueClass, bob.male?.class
    end

    def test_add_remove_single_field
      assert !Person.column_methods_hash.include?(:last_name)

      PeopleHaveLastNames.up

      Person.reset_column_information
      assert Person.column_methods_hash.include?(:last_name)
    
      PeopleHaveLastNames.down

      Person.reset_column_information
      assert !Person.column_methods_hash.include?(:last_name)
    end
    
    def test_add_rename
      Person.delete_all
            
      Person.connection.add_column "people", "girlfriend", :string      
      Person.create :girlfriend => 'bobette'      
      
      begin
        Person.connection.rename_column "people", "girlfriend", "exgirlfriend"
      
        Person.reset_column_information      
        bob = Person.find(:first)
      
        assert_equal "bobette", bob.exgirlfriend
      ensure
        Person.connection.remove_column("people", "girlfriend") rescue nil
        Person.connection.remove_column("people", "exgirlfriend") rescue nil
      end
      
    end
    
    def test_change_column
      Person.connection.add_column "people", "bio", :string
      assert_nothing_raised { Person.connection.change_column "people", "bio", :text }
    end    

    def test_change_column_with_new_default
      Person.connection.add_column "people", "administrator", :boolean, :default => 1
      Person.reset_column_information            
      assert Person.new.administrator?
      
      assert_nothing_raised { Person.connection.change_column "people", "administrator", :boolean, :default => 0 }
      Person.reset_column_information            
      assert !Person.new.administrator?
    end    

    def test_add_table
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
    
      WeNeedReminders.up
    
      assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
      assert_equal "hello world", Reminder.find(:first).content
    
      WeNeedReminders.down
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) }
    end

    def test_migrator
      assert !Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }

      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')

      assert_equal 3, ActiveRecord::Migrator.current_version
      Person.reset_column_information
      assert Person.column_methods_hash.include?(:last_name)
      assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
      assert_equal "hello world", Reminder.find(:first).content

      ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/')

      assert_equal 0, ActiveRecord::Migrator.current_version
      Person.reset_column_information
      assert !Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) }
    end

    def test_migrator_one_up
      assert !Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }

      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)

      Person.reset_column_information
      assert Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }


      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 2)

      assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
      assert_equal "hello world", Reminder.find(:first).content
    end
  
    def test_migrator_one_down
      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')
    
      ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 1)

      Person.reset_column_information
      assert Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
    end
  
    def test_migrator_one_up_one_down
      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
      ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 0)

      assert !Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
    end
    
    def test_migrator_going_down_due_to_version_target
      ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
      ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/', 0)

      assert !Person.column_methods_hash.include?(:last_name)
      assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }

      ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/')

      Person.reset_column_information
      assert Person.column_methods_hash.include?(:last_name)
      assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
      assert_equal "hello world", Reminder.find(:first).content
    end
  end
end