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
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
|
# encoding: utf-8
require "cases/helper"
require 'models/owner'
require 'tempfile'
module ActiveRecord
module ConnectionAdapters
class SQLite3AdapterTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
class DualEncoding < ActiveRecord::Base
end
def setup
@conn = Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => 100
@conn.execute <<-eosql
CREATE TABLE items (
id integer PRIMARY KEY AUTOINCREMENT,
number integer
)
eosql
@subscriber = SQLSubscriber.new
ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber)
end
def test_bad_connection
assert_raise ActiveRecord::NoDatabaseError do
connection = ActiveRecord::Base.sqlite3_connection(adapter: "sqlite3", database: "/tmp/should/_not/_exist/-cinco-dog.db")
connection.exec_query('drop table if exists ex')
end
end
def test_connect_with_url
skip "can't establish new connection when using memory db" if in_memory_db?
begin
original_connection = ActiveRecord::Base.remove_connection
tf = Tempfile.open 'whatever'
url = "sqlite3://#{tf.path}"
ActiveRecord::Base.establish_connection(url)
assert ActiveRecord::Base.connection
ensure
tf.close
tf.unlink
ActiveRecord::Base.establish_connection(original_connection)
end
end
def test_connect_memory_with_url
skip "can't establish new connection when using memory db" if in_memory_db?
begin
original_connection = ActiveRecord::Base.remove_connection
url = "sqlite3:///:memory:"
ActiveRecord::Base.establish_connection(url)
assert ActiveRecord::Base.connection
ensure
ActiveRecord::Base.establish_connection(original_connection)
end
end
def test_valid_column
column = @conn.columns('items').find { |col| col.name == 'id' }
assert @conn.valid_type?(column.type)
end
# sqlite databases should be able to support any type and not
# just the ones mentioned in the native_database_types.
# Therefore test_invalid column should always return true
# even if the type is not valid.
def test_invalid_column
assert @conn.valid_type?(:foobar)
end
def teardown
ActiveSupport::Notifications.unsubscribe(@subscriber)
super
end
def test_column_types
owner = Owner.create!(:name => "hello".encode('ascii-8bit'))
owner.reload
select = Owner.columns.map { |c| "typeof(#{c.name})" }.join ', '
result = Owner.connection.exec_query <<-esql
SELECT #{select}
FROM #{Owner.table_name}
WHERE #{Owner.primary_key} = #{owner.id}
esql
assert(!result.rows.first.include?("blob"), "should not store blobs")
end
def test_exec_insert
column = @conn.columns('items').find { |col| col.name == 'number' }
vals = [[column, 10]]
@conn.exec_insert('insert into items (number) VALUES (?)', 'SQL', vals)
result = @conn.exec_query(
'select number from items where number = ?', 'SQL', vals)
assert_equal 1, result.rows.length
assert_equal 10, result.rows.first.first
end
def test_primary_key_returns_nil_for_no_pk
@conn.exec_query('create table ex(id int, data string)')
assert_nil @conn.primary_key('ex')
end
def test_connection_no_db
assert_raises(ArgumentError) do
Base.sqlite3_connection {}
end
end
def test_bad_timeout
assert_raises(TypeError) do
Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => 'usa'
end
end
# connection is OK with a nil timeout
def test_nil_timeout
conn = Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => nil
assert conn, 'made a connection'
end
def test_connect
assert @conn, 'should have connection'
end
# sqlite3 defaults to UTF-8 encoding
def test_encoding
assert_equal 'UTF-8', @conn.encoding
end
def test_bind_value_substitute
bind_param = @conn.substitute_at('foo', 0)
assert_equal Arel.sql('?'), bind_param
end
def test_exec_no_binds
@conn.exec_query('create table ex(id int, data string)')
result = @conn.exec_query('SELECT id, data FROM ex')
assert_equal 0, result.rows.length
assert_equal 2, result.columns.length
assert_equal %w{ id data }, result.columns
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
result = @conn.exec_query('SELECT id, data FROM ex')
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_exec_query_with_binds
@conn.exec_query('create table ex(id int, data string)')
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
result = @conn.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[nil, 1]])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_exec_query_typecasts_bind_vals
@conn.exec_query('create table ex(id int, data string)')
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
column = @conn.columns('ex').find { |col| col.name == 'id' }
result = @conn.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[column, '1-fuu']])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_quote_binary_column_escapes_it
DualEncoding.connection.execute(<<-eosql)
CREATE TABLE IF NOT EXISTS dual_encodings (
id integer PRIMARY KEY AUTOINCREMENT,
name string,
data binary
)
eosql
str = "\x80".force_encoding("ASCII-8BIT")
binary = DualEncoding.new :name => 'いただきます!', :data => str
binary.save!
assert_equal str, binary.data
ensure
#DualEncoding.connection.execute('DROP TABLE IF EXISTS dual_encodings')
end
def test_type_cast_should_not_mutate_encoding
name = 'hello'.force_encoding(Encoding::ASCII_8BIT)
Owner.create(name: name)
assert_equal Encoding::ASCII_8BIT, name.encoding
end
def test_execute
@conn.execute "INSERT INTO items (number) VALUES (10)"
records = @conn.execute "SELECT * FROM items"
assert_equal 1, records.length
record = records.first
assert_equal 10, record['number']
assert_equal 1, record['id']
end
def test_quote_string
assert_equal "''", @conn.quote_string("'")
end
def test_insert_sql
2.times do |i|
rv = @conn.insert_sql "INSERT INTO items (number) VALUES (#{i})"
assert_equal(i + 1, rv)
end
records = @conn.execute "SELECT * FROM items"
assert_equal 2, records.length
end
def test_insert_sql_logged
sql = "INSERT INTO items (number) VALUES (10)"
name = "foo"
assert_logged([[sql, name, []]]) do
@conn.insert_sql sql, name
end
end
def test_insert_id_value_returned
sql = "INSERT INTO items (number) VALUES (10)"
idval = 'vuvuzela'
id = @conn.insert_sql sql, nil, nil, idval
assert_equal idval, id
end
def test_select_rows
2.times do |i|
@conn.create "INSERT INTO items (number) VALUES (#{i})"
end
rows = @conn.select_rows 'select number, id from items'
assert_equal [[0, 1], [1, 2]], rows
end
def test_select_rows_logged
sql = "select * from items"
name = "foo"
assert_logged([[sql, name, []]]) do
@conn.select_rows sql, name
end
end
def test_transaction
count_sql = 'select count(*) from items'
@conn.begin_db_transaction
@conn.create "INSERT INTO items (number) VALUES (10)"
assert_equal 1, @conn.select_rows(count_sql).first.first
@conn.rollback_db_transaction
assert_equal 0, @conn.select_rows(count_sql).first.first
end
def test_tables
assert_equal %w{ items }, @conn.tables
@conn.execute <<-eosql
CREATE TABLE people (
id integer PRIMARY KEY AUTOINCREMENT,
number integer
)
eosql
assert_equal %w{ items people }.sort, @conn.tables.sort
end
def test_tables_logs_name
assert_logged [['SCHEMA', []]] do
@conn.tables('hello')
assert_not_nil @subscriber.logged.first.shift
end
end
def test_indexes_logs_name
assert_logged [["PRAGMA index_list(\"items\")", 'SCHEMA', []]] do
@conn.indexes('items', 'hello')
end
end
def test_table_exists_logs_name
assert @conn.table_exists?('items')
assert_equal 'SCHEMA', @subscriber.logged[0][1]
end
def test_columns
columns = @conn.columns('items').sort_by { |x| x.name }
assert_equal 2, columns.length
assert_equal %w{ id number }.sort, columns.map { |x| x.name }
assert_equal [nil, nil], columns.map { |x| x.default }
assert_equal [true, true], columns.map { |x| x.null }
end
def test_columns_with_default
@conn.execute <<-eosql
CREATE TABLE columns_with_default (
id integer PRIMARY KEY AUTOINCREMENT,
number integer default 10
)
eosql
column = @conn.columns('columns_with_default').find { |x|
x.name == 'number'
}
assert_equal 10, column.default
end
def test_columns_with_not_null
@conn.execute <<-eosql
CREATE TABLE columns_with_default (
id integer PRIMARY KEY AUTOINCREMENT,
number integer not null
)
eosql
column = @conn.columns('columns_with_default').find { |x|
x.name == 'number'
}
assert !column.null, "column should not be null"
end
def test_indexes_logs
assert_difference('@subscriber.logged.length') do
@conn.indexes('items')
end
assert_match(/items/, @subscriber.logged.last.first)
end
def test_no_indexes
assert_equal [], @conn.indexes('items')
end
def test_index
@conn.add_index 'items', 'id', :unique => true, :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert_equal 'items', index.table
assert index.unique, 'index is unique'
assert_equal ['id'], index.columns
end
def test_non_unique_index
@conn.add_index 'items', 'id', :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert !index.unique, 'index is not unique'
end
def test_compound_index
@conn.add_index 'items', %w{ id number }, :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert_equal %w{ id number }.sort, index.columns.sort
end
def test_primary_key
assert_equal 'id', @conn.primary_key('items')
@conn.execute <<-eosql
CREATE TABLE foos (
internet integer PRIMARY KEY AUTOINCREMENT,
number integer not null
)
eosql
assert_equal 'internet', @conn.primary_key('foos')
end
def test_no_primary_key
@conn.execute 'CREATE TABLE failboat (number integer not null)'
assert_nil @conn.primary_key('failboat')
end
def test_supports_extensions
assert_not @conn.supports_extensions?, 'does not support extensions'
end
def test_respond_to_enable_extension
assert @conn.respond_to?(:enable_extension)
end
def test_respond_to_disable_extension
assert @conn.respond_to?(:disable_extension)
end
private
def assert_logged logs
yield
assert_equal logs, @subscriber.logged
end
end
end
end
|