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
|
require "cases/migration/helper"
module ActiveRecord
class Migration
class ColumnAttributesTest < ActiveRecord::TestCase
include ActiveRecord::Migration::TestHelper
self.use_transactional_tests = false
def test_add_column_newline_default
string = "foo\nbar"
add_column "test_models", "command", :string, default: string
TestModel.reset_column_information
assert_equal string, TestModel.new.command
end
def test_add_remove_single_field_using_string_arguments
assert_no_column TestModel, :last_name
add_column "test_models", "last_name", :string
assert_column TestModel, :last_name
remove_column "test_models", "last_name"
assert_no_column TestModel, :last_name
end
def test_add_remove_single_field_using_symbol_arguments
assert_no_column TestModel, :last_name
add_column :test_models, :last_name, :string
assert_column TestModel, :last_name
remove_column :test_models, :last_name
assert_no_column TestModel, :last_name
end
def test_add_column_without_limit
# TODO: limit: nil should work with all adapters.
skip "MySQL wrongly enforces a limit of 255" if current_adapter?(:Mysql2Adapter)
add_column :test_models, :description, :string, limit: nil
TestModel.reset_column_information
assert_nil TestModel.columns_hash["description"].limit
end
if current_adapter?(:Mysql2Adapter)
def test_unabstracted_database_dependent_types
add_column :test_models, :intelligence_quotient, :tinyint
TestModel.reset_column_information
assert_match(/tinyint/, TestModel.columns_hash["intelligence_quotient"].sql_type)
end
end
unless current_adapter?(:SQLite3Adapter)
# We specifically do a manual INSERT here, and then test only the SELECT
# functionality. This allows us to more easily catch INSERT being broken,
# but SELECT actually working fine.
def test_native_decimal_insert_manual_vs_automatic
correct_value = "0012345678901234567890.0123456789".to_d
connection.add_column "test_models", "wealth", :decimal, precision: "30", scale: "10"
# Do a manual insertion
if current_adapter?(:OracleAdapter)
connection.execute "insert into test_models (id, wealth) values (people_seq.nextval, 12345678901234567890.0123456789)"
elsif current_adapter?(:PostgreSQLAdapter)
connection.execute "insert into test_models (wealth) values (12345678901234567890.0123456789)"
else
connection.execute "insert into test_models (wealth) values (12345678901234567890.0123456789)"
end
# SELECT
row = TestModel.first
assert_kind_of BigDecimal, row.wealth
# If this assert fails, that means the SELECT is broken!
unless current_adapter?(:SQLite3Adapter)
assert_equal correct_value, row.wealth
end
# Reset to old state
TestModel.delete_all
# Now use the Rails insertion
TestModel.create wealth: BigDecimal.new("12345678901234567890.0123456789")
# SELECT
row = TestModel.first
assert_kind_of BigDecimal, row.wealth
# If these asserts fail, that means the INSERT (create function, or cast to SQL) is broken!
assert_equal correct_value, row.wealth
end
end
def test_add_column_with_precision_and_scale
connection.add_column "test_models", "wealth", :decimal, precision: 9, scale: 7
wealth_column = TestModel.columns_hash["wealth"]
assert_equal 9, wealth_column.precision
assert_equal 7, wealth_column.scale
end
if current_adapter?(:SQLite3Adapter)
def test_change_column_preserve_other_column_precision_and_scale
connection.add_column "test_models", "last_name", :string
connection.add_column "test_models", "wealth", :decimal, precision: 9, scale: 7
wealth_column = TestModel.columns_hash["wealth"]
assert_equal 9, wealth_column.precision
assert_equal 7, wealth_column.scale
connection.change_column "test_models", "last_name", :string, null: false
TestModel.reset_column_information
wealth_column = TestModel.columns_hash["wealth"]
assert_equal 9, wealth_column.precision
assert_equal 7, wealth_column.scale
end
end
unless current_adapter?(:SQLite3Adapter)
def test_native_types
add_column "test_models", "first_name", :string
add_column "test_models", "last_name", :string
add_column "test_models", "bio", :text
add_column "test_models", "age", :integer
add_column "test_models", "height", :float
add_column "test_models", "wealth", :decimal, precision: "30", scale: "10"
add_column "test_models", "birthday", :datetime
add_column "test_models", "favorite_day", :date
add_column "test_models", "moment_of_truth", :datetime
add_column "test_models", "male", :boolean
TestModel.create first_name: "bob", last_name: "bobsen",
bio: "I was born ....", age: 18, height: 1.78,
wealth: BigDecimal.new("12345678901234567890.0123456789"),
birthday: 18.years.ago, favorite_day: 10.days.ago,
moment_of_truth: "1782-10-10 21:40:18", male: true
bob = TestModel.first
assert_equal "bob", bob.first_name
assert_equal "bobsen", bob.last_name
assert_equal "I was born ....", bob.bio
assert_equal 18, bob.age
# Test for 30 significant digits (beyond the 16 of float), 10 of them
# after the decimal place.
assert_equal BigDecimal.new("0012345678901234567890.0123456789"), bob.wealth
assert_equal true, bob.male?
assert_equal String, bob.first_name.class
assert_equal String, bob.last_name.class
assert_equal String, bob.bio.class
assert_kind_of Integer, bob.age
assert_equal Time, bob.birthday.class
assert_equal Date, bob.favorite_day.class
assert_instance_of TrueClass, bob.male?
assert_kind_of BigDecimal, bob.wealth
end
end
if current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter)
def test_out_of_range_limit_should_raise
assert_raise(ActiveRecordError) { add_column :test_models, :integer_too_big, :integer, limit: 10 }
unless current_adapter?(:PostgreSQLAdapter)
assert_raise(ActiveRecordError) { add_column :test_models, :text_too_big, :integer, limit: 0xfffffffff }
end
end
end
end
end
end
|
