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
|
require 'cases/helper'
module ActiveRecord
class Migration
class CreateJoinTableTest < ActiveRecord::TestCase
attr_reader :connection
def setup
super
@connection = ActiveRecord::Base.connection
end
teardown do
%w(artists_musics musics_videos catalog).each do |table_name|
ActiveSupport::Deprecation.silence do
connection.drop_table table_name if connection.table_exists?(table_name)
end
end
end
def test_create_join_table
connection.create_join_table :artists, :musics
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_set_not_null_by_default
connection.create_join_table :artists, :musics
assert_equal [false, false], connection.columns(:artists_musics).map(&:null)
end
def test_create_join_table_with_strings
connection.create_join_table 'artists', 'musics'
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_with_symbol_and_string
connection.create_join_table :artists, 'musics'
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_with_the_proper_order
connection.create_join_table :videos, :musics
assert_equal %w(music_id video_id), connection.columns(:musics_videos).map(&:name).sort
end
def test_create_join_table_with_the_table_name
connection.create_join_table :artists, :musics, table_name: :catalog
assert_equal %w(artist_id music_id), connection.columns(:catalog).map(&:name).sort
end
def test_create_join_table_with_the_table_name_as_string
connection.create_join_table :artists, :musics, table_name: 'catalog'
assert_equal %w(artist_id music_id), connection.columns(:catalog).map(&:name).sort
end
def test_create_join_table_with_column_options
connection.create_join_table :artists, :musics, column_options: {null: true}
assert_equal [true, true], connection.columns(:artists_musics).map(&:null)
end
def test_create_join_table_without_indexes
connection.create_join_table :artists, :musics
assert connection.indexes(:artists_musics).blank?
end
def test_create_join_table_with_index
connection.create_join_table :artists, :musics do |t|
t.index [:artist_id, :music_id]
end
assert_equal [%w(artist_id music_id)], connection.indexes(:artists_musics).map(&:columns)
end
def test_drop_join_table
connection.create_join_table :artists, :musics
connection.drop_join_table :artists, :musics
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('artists_musics') }
end
def test_drop_join_table_with_strings
connection.create_join_table :artists, :musics
connection.drop_join_table 'artists', 'musics'
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('artists_musics') }
end
def test_drop_join_table_with_the_proper_order
connection.create_join_table :videos, :musics
connection.drop_join_table :videos, :musics
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('musics_videos') }
end
def test_drop_join_table_with_the_table_name
connection.create_join_table :artists, :musics, table_name: :catalog
connection.drop_join_table :artists, :musics, table_name: :catalog
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('catalog') }
end
def test_drop_join_table_with_the_table_name_as_string
connection.create_join_table :artists, :musics, table_name: 'catalog'
connection.drop_join_table :artists, :musics, table_name: 'catalog'
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('catalog') }
end
def test_drop_join_table_with_column_options
connection.create_join_table :artists, :musics, column_options: {null: true}
connection.drop_join_table :artists, :musics, column_options: {null: true}
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('artists_musics') }
end
def test_create_and_drop_join_table_with_common_prefix
with_table_cleanup do
connection.create_join_table 'audio_artists', 'audio_musics'
ActiveSupport::Deprecation.silence { assert connection.table_exists?('audio_artists_musics') }
connection.drop_join_table 'audio_artists', 'audio_musics'
ActiveSupport::Deprecation.silence { assert !connection.table_exists?('audio_artists_musics'), "Should have dropped join table, but didn't" }
end
end
private
def with_table_cleanup
tables_before = connection.data_sources
yield
ensure
tables_after = connection.data_sources - tables_before
tables_after.each do |table|
connection.drop_table table
end
end
end
end
end
|