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
|
# frozen_string_literal: true
require "cases/helper"
require "models/book"
require "support/schema_dumping_helper"
module ViewBehavior
include SchemaDumpingHelper
extend ActiveSupport::Concern
included do
fixtures :books
end
class Ebook < ActiveRecord::Base
self.table_name = "ebooks'"
self.primary_key = "id"
end
def setup
super
@connection = ActiveRecord::Base.connection
create_view "ebooks'", <<-SQL
SELECT id, name, status FROM books WHERE format = 'ebook'
SQL
end
def teardown
super
drop_view "ebooks'"
end
def test_reading
books = Ebook.all
assert_equal [books(:rfr).id], books.map(&:id)
assert_equal ["Ruby for Rails"], books.map(&:name)
end
def test_views
assert_equal [Ebook.table_name], @connection.views
end
def test_view_exists
view_name = Ebook.table_name
assert @connection.view_exists?(view_name), "'#{view_name}' view should exist"
end
def test_table_exists
view_name = Ebook.table_name
assert_not @connection.table_exists?(view_name), "'#{view_name}' table should not exist"
end
def test_views_ara_valid_data_sources
view_name = Ebook.table_name
assert @connection.data_source_exists?(view_name), "'#{view_name}' should be a data source"
end
def test_column_definitions
assert_equal([["id", :integer],
["name", :string],
["status", :integer]], Ebook.columns.map { |c| [c.name, c.type] })
end
def test_attributes
assert_equal({ "id" => 2, "name" => "Ruby for Rails", "status" => 0 },
Ebook.first.attributes)
end
def test_does_not_assume_id_column_as_primary_key
model = Class.new(ActiveRecord::Base) do
self.table_name = "ebooks'"
end
assert_nil model.primary_key
end
def test_does_not_dump_view_as_table
schema = dump_table_schema "ebooks'"
assert_no_match %r{create_table "ebooks'"}, schema
end
private
def quote_table_name(name)
@connection.quote_table_name(name)
end
end
if ActiveRecord::Base.connection.supports_views?
class ViewWithPrimaryKeyTest < ActiveRecord::TestCase
include ViewBehavior
private
def create_view(name, query)
@connection.execute "CREATE VIEW #{quote_table_name(name)} AS #{query}"
end
def drop_view(name)
@connection.execute "DROP VIEW #{quote_table_name(name)}" if @connection.view_exists? name
end
end
class ViewWithoutPrimaryKeyTest < ActiveRecord::TestCase
include SchemaDumpingHelper
fixtures :books
class Paperback < ActiveRecord::Base; end
setup do
@connection = ActiveRecord::Base.connection
@connection.execute <<-SQL
CREATE VIEW paperbacks
AS SELECT name, status FROM books WHERE format = 'paperback'
SQL
end
teardown do
@connection.execute "DROP VIEW paperbacks" if @connection.view_exists? "paperbacks"
end
def test_reading
books = Paperback.all
assert_equal ["Agile Web Development with Rails"], books.map(&:name)
end
def test_views
assert_equal [Paperback.table_name], @connection.views
end
def test_view_exists
view_name = Paperback.table_name
assert @connection.view_exists?(view_name), "'#{view_name}' view should exist"
end
def test_table_exists
view_name = Paperback.table_name
assert_not @connection.table_exists?(view_name), "'#{view_name}' table should not exist"
end
def test_column_definitions
assert_equal([["name", :string],
["status", :integer]], Paperback.columns.map { |c| [c.name, c.type] })
end
def test_attributes
assert_equal({ "name" => "Agile Web Development with Rails", "status" => 2 },
Paperback.first.attributes)
end
def test_does_not_have_a_primary_key
assert_nil Paperback.primary_key
end
def test_does_not_dump_view_as_table
schema = dump_table_schema "paperbacks"
assert_no_match %r{create_table "paperbacks"}, schema
end
end
# sqlite dose not support CREATE, INSERT, and DELETE for VIEW
if current_adapter?(:Mysql2Adapter, :SQLServerAdapter) ||
current_adapter?(:PostgreSQLAdapter) && ActiveRecord::Base.connection.postgresql_version >= 90300
class UpdateableViewTest < ActiveRecord::TestCase
self.use_transactional_tests = false
fixtures :books
class PrintedBook < ActiveRecord::Base
self.primary_key = "id"
end
setup do
@connection = ActiveRecord::Base.connection
@connection.execute <<-SQL
CREATE VIEW printed_books
AS SELECT id, name, status, format FROM books WHERE format = 'paperback'
SQL
end
teardown do
@connection.execute "DROP VIEW printed_books" if @connection.view_exists? "printed_books"
end
def test_update_record
book = PrintedBook.first
book.name = "AWDwR"
book.save!
book.reload
assert_equal "AWDwR", book.name
end
def test_insert_record
PrintedBook.create! name: "Rails in Action", status: 0, format: "paperback"
new_book = PrintedBook.last
assert_equal "Rails in Action", new_book.name
end
def test_update_record_to_fail_view_conditions
book = PrintedBook.first
book.format = "ebook"
book.save!
assert_raises ActiveRecord::RecordNotFound do
book.reload
end
end
end
end # end of `if current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter, :SQLServerAdapter)`
end # end of `if ActiveRecord::Base.connection.supports_views?`
if ActiveRecord::Base.connection.respond_to?(:supports_materialized_views?) &&
ActiveRecord::Base.connection.supports_materialized_views?
class MaterializedViewTest < ActiveRecord::PostgreSQLTestCase
include ViewBehavior
private
def create_view(name, query)
@connection.execute "CREATE MATERIALIZED VIEW #{quote_table_name(name)} AS #{query}"
end
def drop_view(name)
@connection.execute "DROP MATERIALIZED VIEW #{quote_table_name(name)}" if @connection.view_exists? name
end
end
end
|
