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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
|
require "cases/helper"
require "active_record/tasks/database_tasks"
if current_adapter?(:PostgreSQLAdapter)
module ActiveRecord
class PostgreSQLDBCreateTest < ActiveRecord::TestCase
def setup
@connection = stub(create_database: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
$stdout, @original_stdout = StringIO.new, $stdout
$stderr, @original_stderr = StringIO.new, $stderr
end
def teardown
$stdout, $stderr = @original_stdout, @original_stderr
end
def test_establishes_connection_to_postgresql_database
ActiveRecord::Base.expects(:establish_connection).with(
"adapter" => "postgresql",
"database" => "postgres",
"schema_search_path" => "public"
)
ActiveRecord::Tasks::DatabaseTasks.create @configuration
end
def test_creates_database_with_default_encoding
@connection.expects(:create_database).
with("my-app-db", @configuration.merge("encoding" => "utf8"))
ActiveRecord::Tasks::DatabaseTasks.create @configuration
end
def test_creates_database_with_given_encoding
@connection.expects(:create_database).
with("my-app-db", @configuration.merge("encoding" => "latin"))
ActiveRecord::Tasks::DatabaseTasks.create @configuration.
merge("encoding" => "latin")
end
def test_creates_database_with_given_collation_and_ctype
@connection.expects(:create_database).
with("my-app-db", @configuration.merge("encoding" => "utf8", "collation" => "ja_JP.UTF8", "ctype" => "ja_JP.UTF8"))
ActiveRecord::Tasks::DatabaseTasks.create @configuration.
merge("collation" => "ja_JP.UTF8", "ctype" => "ja_JP.UTF8")
end
def test_establishes_connection_to_new_database
ActiveRecord::Base.expects(:establish_connection).with(@configuration)
ActiveRecord::Tasks::DatabaseTasks.create @configuration
end
def test_db_create_with_error_prints_message
ActiveRecord::Base.stubs(:establish_connection).raises(Exception)
$stderr.stubs(:puts).returns(true)
$stderr.expects(:puts).
with("Couldn't create database for #{@configuration.inspect}")
assert_raises(Exception) { ActiveRecord::Tasks::DatabaseTasks.create @configuration }
end
def test_when_database_created_successfully_outputs_info_to_stdout
ActiveRecord::Tasks::DatabaseTasks.create @configuration
assert_equal "Created database 'my-app-db'\n", $stdout.string
end
def test_create_when_database_exists_outputs_info_to_stderr
ActiveRecord::Base.connection.stubs(:create_database).raises(
ActiveRecord::Tasks::DatabaseAlreadyExists
)
ActiveRecord::Tasks::DatabaseTasks.create @configuration
assert_equal "Database 'my-app-db' already exists\n", $stderr.string
end
end
class PostgreSQLDBDropTest < ActiveRecord::TestCase
def setup
@connection = stub(drop_database: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
$stdout, @original_stdout = StringIO.new, $stdout
$stderr, @original_stderr = StringIO.new, $stderr
end
def teardown
$stdout, $stderr = @original_stdout, @original_stderr
end
def test_establishes_connection_to_postgresql_database
ActiveRecord::Base.expects(:establish_connection).with(
"adapter" => "postgresql",
"database" => "postgres",
"schema_search_path" => "public"
)
ActiveRecord::Tasks::DatabaseTasks.drop @configuration
end
def test_drops_database
@connection.expects(:drop_database).with("my-app-db")
ActiveRecord::Tasks::DatabaseTasks.drop @configuration
end
def test_when_database_dropped_successfully_outputs_info_to_stdout
ActiveRecord::Tasks::DatabaseTasks.drop @configuration
assert_equal "Dropped database 'my-app-db'\n", $stdout.string
end
end
class PostgreSQLPurgeTest < ActiveRecord::TestCase
def setup
@connection = stub(create_database: true, drop_database: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:clear_active_connections!).returns(true)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
end
def test_clears_active_connections
ActiveRecord::Base.expects(:clear_active_connections!)
ActiveRecord::Tasks::DatabaseTasks.purge @configuration
end
def test_establishes_connection_to_postgresql_database
ActiveRecord::Base.expects(:establish_connection).with(
"adapter" => "postgresql",
"database" => "postgres",
"schema_search_path" => "public"
)
ActiveRecord::Tasks::DatabaseTasks.purge @configuration
end
def test_drops_database
@connection.expects(:drop_database).with("my-app-db")
ActiveRecord::Tasks::DatabaseTasks.purge @configuration
end
def test_creates_database
@connection.expects(:create_database).
with("my-app-db", @configuration.merge("encoding" => "utf8"))
ActiveRecord::Tasks::DatabaseTasks.purge @configuration
end
def test_establishes_connection
ActiveRecord::Base.expects(:establish_connection).with(@configuration)
ActiveRecord::Tasks::DatabaseTasks.purge @configuration
end
end
class PostgreSQLDBCharsetTest < ActiveRecord::TestCase
def setup
@connection = stub(create_database: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
end
def test_db_retrieves_charset
@connection.expects(:encoding)
ActiveRecord::Tasks::DatabaseTasks.charset @configuration
end
end
class PostgreSQLDBCollationTest < ActiveRecord::TestCase
def setup
@connection = stub(create_database: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
end
def test_db_retrieves_collation
@connection.expects(:collation)
ActiveRecord::Tasks::DatabaseTasks.collation @configuration
end
end
class PostgreSQLStructureDumpTest < ActiveRecord::TestCase
def setup
@connection = stub(schema_search_path: nil, structure_dump: true)
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
@filename = "/tmp/awesome-file.sql"
FileUtils.touch(@filename)
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
Kernel.stubs(:system)
end
def teardown
FileUtils.rm_f(@filename)
end
def test_structure_dump
Kernel.expects(:system).with("pg_dump", "-s", "-x", "-O", "-f", @filename, "my-app-db").returns(true)
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
end
def test_structure_dump_header_comments_removed
Kernel.stubs(:system).returns(true)
File.write(@filename, "-- header comment\n\n-- more header comment\n statement \n-- lower comment\n")
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
assert_equal [" statement \n", "-- lower comment\n"], File.readlines(@filename).first(2)
end
def test_structure_dump_with_extra_flags
expected_command = ["pg_dump", "-s", "-x", "-O", "-f", @filename, "--noop", "my-app-db"]
assert_called_with(Kernel, :system, expected_command, returns: true) do
with_structure_dump_flags(["--noop"]) do
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
end
end
end
def test_structure_dump_with_schema_search_path
@configuration["schema_search_path"] = "foo,bar"
Kernel.expects(:system).with("pg_dump", "-s", "-x", "-O", "-f", @filename, "--schema=foo", "--schema=bar", "my-app-db").returns(true)
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
end
def test_structure_dump_with_schema_search_path_and_dump_schemas_all
@configuration["schema_search_path"] = "foo,bar"
Kernel.expects(:system).with("pg_dump", "-s", "-x", "-O", "-f", @filename, "my-app-db").returns(true)
with_dump_schemas(:all) do
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
end
end
def test_structure_dump_with_dump_schemas_string
Kernel.expects(:system).with("pg_dump", "-s", "-x", "-O", "-f", @filename, "--schema=foo", "--schema=bar", "my-app-db").returns(true)
with_dump_schemas("foo,bar") do
ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, @filename)
end
end
private
def with_dump_schemas(value, &block)
old_dump_schemas = ActiveRecord::Base.dump_schemas
ActiveRecord::Base.dump_schemas = value
yield
ensure
ActiveRecord::Base.dump_schemas = old_dump_schemas
end
def with_structure_dump_flags(flags)
old = ActiveRecord::Tasks::DatabaseTasks.structure_dump_flags
ActiveRecord::Tasks::DatabaseTasks.structure_dump_flags = flags
yield
ensure
ActiveRecord::Tasks::DatabaseTasks.structure_dump_flags = old
end
end
class PostgreSQLStructureLoadTest < ActiveRecord::TestCase
def setup
@connection = stub
@configuration = {
"adapter" => "postgresql",
"database" => "my-app-db"
}
ActiveRecord::Base.stubs(:connection).returns(@connection)
ActiveRecord::Base.stubs(:establish_connection).returns(true)
Kernel.stubs(:system)
end
def test_structure_load
filename = "awesome-file.sql"
Kernel.expects(:system).with("psql", "-v", "ON_ERROR_STOP=1", "-q", "-f", filename, @configuration["database"]).returns(true)
ActiveRecord::Tasks::DatabaseTasks.structure_load(@configuration, filename)
end
def test_structure_load_with_extra_flags
filename = "awesome-file.sql"
expected_command = ["psql", "-v", "ON_ERROR_STOP=1", "-q", "-f", filename, "--noop", @configuration["database"]]
assert_called_with(Kernel, :system, expected_command, returns: true) do
with_structure_load_flags(["--noop"]) do
ActiveRecord::Tasks::DatabaseTasks.structure_load(@configuration, filename)
end
end
end
def test_structure_load_accepts_path_with_spaces
filename = "awesome file.sql"
Kernel.expects(:system).with("psql", "-v", "ON_ERROR_STOP=1", "-q", "-f", filename, @configuration["database"]).returns(true)
ActiveRecord::Tasks::DatabaseTasks.structure_load(@configuration, filename)
end
private
def with_structure_load_flags(flags)
old = ActiveRecord::Tasks::DatabaseTasks.structure_load_flags
ActiveRecord::Tasks::DatabaseTasks.structure_load_flags = flags
yield
ensure
ActiveRecord::Tasks::DatabaseTasks.structure_load_flags = old
end
end
end
end
|