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
|
# frozen_string_literal: true
require "cases/helper"
require "support/schema_dumping_helper"
if ActiveRecord::Base.connection.supports_virtual_columns?
class Mysql2VirtualColumnTest < ActiveRecord::Mysql2TestCase
include SchemaDumpingHelper
self.use_transactional_tests = false
class VirtualColumn < ActiveRecord::Base
end
def setup
@connection = ActiveRecord::Base.connection
@connection.create_table :virtual_columns, force: true do |t|
t.string :name
t.virtual :upper_name, type: :string, as: "UPPER(`name`)"
t.virtual :name_length, type: :integer, as: "LENGTH(`name`)", stored: true
t.virtual :name_octet_length, type: :integer, as: "OCTET_LENGTH(`name`)", stored: true
end
VirtualColumn.create(name: "Rails")
end
def teardown
@connection.drop_table :virtual_columns, if_exists: true
VirtualColumn.reset_column_information
end
def test_virtual_column
column = VirtualColumn.columns_hash["upper_name"]
assert_predicate column, :virtual?
assert_match %r{\bVIRTUAL\b}, column.extra
assert_equal "RAILS", VirtualColumn.take.upper_name
end
def test_stored_column
column = VirtualColumn.columns_hash["name_length"]
assert_predicate column, :virtual?
assert_match %r{\b(?:STORED|PERSISTENT)\b}, column.extra
assert_equal 5, VirtualColumn.take.name_length
end
def test_change_table
@connection.change_table :virtual_columns do |t|
t.virtual :lower_name, type: :string, as: "LOWER(name)"
end
VirtualColumn.reset_column_information
column = VirtualColumn.columns_hash["lower_name"]
assert_predicate column, :virtual?
assert_match %r{\bVIRTUAL\b}, column.extra
assert_equal "rails", VirtualColumn.take.lower_name
end
def test_schema_dumping
output = dump_table_schema("virtual_columns")
assert_match(/t\.virtual\s+"upper_name",\s+type: :string,\s+as: "(?:UPPER|UCASE)\(`name`\)"$/i, output)
assert_match(/t\.virtual\s+"name_length",\s+type: :integer,\s+as: "(?:octet_length|length)\(`name`\)",\s+stored: true$/i, output)
assert_match(/t\.virtual\s+"name_octet_length",\s+type: :integer,\s+as: "(?:octet_length|length)\(`name`\)",\s+stored: true$/i, output)
end
end
end
|
