Fix failures and protect the suite from spurious VERSION-related warnings
[dbsrgits/DBIx-Class.git] / t / 752sqlite.t
CommitLineData
86a51471 1use strict;
2use warnings;
3
4use Test::More;
5use Test::Exception;
632d1e0f 6use Test::Warn;
2aeb3c7f 7use Time::HiRes 'time';
f3b1224b 8use Math::BigInt;
67b35a45 9
86a51471 10use lib qw(t/lib);
11use DBICTest;
9a3d73e9 12use DBIx::Class::_Util qw( sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt );
86a51471 13
8bb84304 14# make one deploy() round before we load anything else - need this in order
15# to prime SQLT if we are using it (deep depchain is deep)
16DBICTest->init_schema( no_populate => 1 );
17
2aeb3c7f 18# check that we work somewhat OK with braindead SQLite transaction handling
19#
20# As per https://metacpan.org/source/ADAMK/DBD-SQLite-1.37/lib/DBD/SQLite.pm#L921
21# SQLite does *not* try to synchronize
ab0b0a09 22#
23# However DBD::SQLite 1.38_02 seems to fix this, with an accompanying test:
24# https://metacpan.org/source/ADAMK/DBD-SQLite-1.38_02/t/54_literal_txn.t
b1dbf716 25my $lit_txn_todo = modver_gt_or_eq('DBD::SQLite', '1.38_02')
ab0b0a09 26 ? undef
27 : "DBD::SQLite before 1.38_02 is retarded wrt detecting literal BEGIN/COMMIT statements"
28;
2aeb3c7f 29
30for my $prefix_comment (qw/Begin_only Commit_only Begin_and_Commit/) {
31 note "Testing with comment prefixes on $prefix_comment";
32
33 # FIXME warning won't help us for the time being
34 # perhaps when (if ever) DBD::SQLite gets fixed,
35 # we can do something extra here
052a832c 36 local $SIG{__WARN__} = sigwarn_silencer( qr/Internal transaction state .+? does not seem to match/ )
ab0b0a09 37 if ( $lit_txn_todo && !$ENV{TEST_VERBOSE} );
2aeb3c7f 38
39 my ($c_begin, $c_commit) = map { $prefix_comment =~ $_ ? 1 : 0 } (qr/Begin/, qr/Commit/);
40
41 my $schema = DBICTest->init_schema( no_deploy => 1 );
42 my $ars = $schema->resultset('Artist');
43
44 ok (! $schema->storage->connected, 'No connection yet');
45
46 $schema->storage->dbh->do(<<'DDL');
47CREATE TABLE artist (
48 artistid INTEGER PRIMARY KEY NOT NULL,
49 name varchar(100),
50 rank integer DEFAULT 13,
51 charfield char(10) NULL
52);
53DDL
54
55 my $artist = $ars->create({ name => 'Artist_' . time() });
56 is ($ars->count, 1, 'Inserted artist ' . $artist->name);
57
58 ok ($schema->storage->connected, 'Connected');
59 ok ($schema->storage->_dbh->{AutoCommit}, 'DBD not in txn yet');
60
61 $schema->storage->dbh->do(join "\n",
62 $c_begin ? '-- comment' : (),
63 'BEGIN TRANSACTION'
64 );
65 ok ($schema->storage->connected, 'Still connected');
66 {
ab0b0a09 67 local $TODO = $lit_txn_todo if $c_begin;
2aeb3c7f 68 ok (! $schema->storage->_dbh->{AutoCommit}, "DBD aware of txn begin with comments on $prefix_comment");
69 }
70
71 $schema->storage->dbh->do(join "\n",
72 $c_commit ? '-- comment' : (),
73 'COMMIT'
74 );
75 ok ($schema->storage->connected, 'Still connected');
76 {
ab0b0a09 77 local $TODO = $lit_txn_todo if $c_commit and ! $c_begin;
2aeb3c7f 78 ok ($schema->storage->_dbh->{AutoCommit}, "DBD aware txn ended with comments on $prefix_comment");
79 }
80
81 is ($ars->count, 1, 'Inserted artists still there');
82
83 {
84 # this never worked in the 1st place
ab0b0a09 85 local $TODO = $lit_txn_todo if ! $c_begin and $c_commit;
2aeb3c7f 86
08615cfb 87 # odd argument passing, because such nested crefs leak on 5.8
2aeb3c7f 88 lives_ok {
89 $schema->storage->txn_do (sub {
08615cfb 90 ok ($_[0]->find({ name => $_[1] }), "Artist still where we left it after cycle with comments on $prefix_comment");
91 }, $ars, $artist->name );
2aeb3c7f 92 } "Succesfull transaction with comments on $prefix_comment";
93 }
94}
95
398215b1 96# test blank begin/svp/commit/begin cycle
97warnings_are {
98 my $schema = DBICTest->init_schema( no_populate => 1 );
99 my $rs = $schema->resultset('Artist');
100 is ($rs->count, 0, 'Start with empty table');
101
102 for my $do_commit (1, 0) {
103 $schema->txn_begin;
104 $schema->svp_begin;
105 $schema->svp_rollback;
106
107 $schema->svp_begin;
108 $schema->svp_rollback;
109
110 $schema->svp_release;
111
112 $schema->svp_begin;
113
114 $schema->txn_rollback;
115
116 $schema->txn_begin;
117 $schema->svp_begin;
118 $schema->svp_rollback;
119
120 $schema->svp_begin;
121 $schema->svp_rollback;
122
123 $schema->svp_release;
124
125 $schema->svp_begin;
126
127 $do_commit ? $schema->txn_commit : $schema->txn_rollback;
128
129 is_deeply $schema->storage->savepoints, [], 'Savepoint names cleared away'
130 }
131
132 $schema->txn_do(sub {
133 ok (1, 'all seems fine');
134 });
135} [], 'No warnings emitted';
2aeb3c7f 136
67b35a45 137my $schema = DBICTest->init_schema();
86a51471 138
632d1e0f 139# make sure the side-effects of RT#67581 do not result in data loss
140my $row;
67b35a45 141warnings_exist { $row = $schema->resultset('Artist')->create ({ name => 'alpha rank', rank => 'abc' }) }
445bc0cd 142 [qr/Non-integer value supplied for column 'rank' despite the integer datatype/],
632d1e0f 143 'proper warning on string insertion into an numeric column'
144;
145$row->discard_changes;
146is ($row->rank, 'abc', 'proper rank inserted into database');
147
67b35a45 148# and make sure we do not lose actual bigints
ce896b0d 149SKIP: {
150
151skip "Not testing bigint handling on known broken DBD::SQLite trial versions", 1
152 if( modver_gt_or_eq('DBD::SQLite', '1.45') and ! modver_gt_or_eq('DBD::SQLite', '1.45_03') );
153
67b35a45 154{
155 package DBICTest::BigIntArtist;
156 use base 'DBICTest::Schema::Artist';
157 __PACKAGE__->table('artist');
158 __PACKAGE__->add_column(bigint => { data_type => 'bigint' });
159}
160$schema->register_class(BigIntArtist => 'DBICTest::BigIntArtist');
161$schema->storage->dbh_do(sub {
162 $_[1]->do('ALTER TABLE artist ADD COLUMN bigint BIGINT');
163});
164
9a3d73e9 165my $sqlite_broken_bigint = modver_gt_or_eq_and_lt( 'DBD::SQLite', '1.34', '1.37' );
f3b1224b 166
167# 63 bit integer
168my $many_bits = (Math::BigInt->new(2) ** 62);
169
67b35a45 170# test upper/lower boundaries for sqlite and some values inbetween
171# range is -(2**63) .. 2**63 - 1
f3b1224b 172#
173# Not testing -0 - it seems to overflow to ~0 on some combinations,
174# thus not triggering the >32 bit guards
175# interesting read: https://en.wikipedia.org/wiki/Signed_zero#Representations
04ab4eb1 176for my $bi ( qw(
f3b1224b 177 -2
178 -1
179 0
180 +0
181 1
182 2
183
04ab4eb1 184 -9223372036854775807
185 -8694837494948124658
186 -6848440844435891639
187 -5664812265578554454
188 -5380388020020483213
189 -2564279463598428141
190 2442753333597784273
191 4790993557925631491
192 6773854980030157393
193 7627910776496326154
194 8297530189347439311
195 9223372036854775806
196 9223372036854775807
197
198 4294967295
199 4294967296
200
201 -4294967296
202 -4294967295
203 -4294967294
204
205 -2147483649
206 -2147483648
207 -2147483647
208 -2147483646
209
210 2147483646
211 2147483647
212),
213 # these values cause exceptions even with all workarounds in place on these
214 # fucked DBD::SQLite versions *regardless* of ivsize >.<
f3b1224b 215 $sqlite_broken_bigint
04ab4eb1 216 ? ()
217 : ( '2147483648', '2147483649' )
d19df4c3 218 ,
219
220 # with newer compilers ( gcc 4.9+ ) older DBD::SQLite does not
221 # play well with the "Most Negative Number"
222 modver_gt_or_eq( 'DBD::SQLite', '1.33' )
223 ? ( '-9223372036854775808' )
224 : ()
225 ,
226
04ab4eb1 227) {
228 # unsigned 32 bit ints have a range of −2,147,483,648 to 2,147,483,647
229 # alternatively expressed as the hexadecimal numbers below
230 # the comparison math will come out right regardless of ivsize, since
231 # we are operating within 31 bits
232 # P.S. 31 because one bit is lost for the sign
233 my $v_bits = ($bi > 0x7fff_ffff || $bi < -0x8000_0000) ? 64 : 32;
234
235 my $v_desc = sprintf '%s (%d bit signed int)', $bi, $v_bits;
236
1363f0f5 237 my @w;
113322e5 238 local $SIG{__WARN__} = sub {
239 if ($_[0] =~ /datatype mismatch/) {
240 push @w, @_;
241 }
242 elsif ($_[0] =~ /An integer value occupying more than 32 bits was supplied .+ can not bind properly so DBIC will treat it as a string instead/ ) {
243 # do nothing, this warning will pop up here and there depending on
244 # DBD/bitness combination
245 # we don't want to test for it explicitly, we are just interested
246 # in the results matching at the end
247 }
248 else {
249 warn @_;
250 }
251 };
1363f0f5 252
f3b1224b 253 # some combinations of SQLite 1.35 and older 5.8 faimly is wonky
254 # instead of a warning we get a full exception. Sod it
255 eval {
2e092442 256 $row = $schema->resultset('BigIntArtist')->create({ bigint => $bi });
f3b1224b 257 } or do {
d19df4c3 258 fail("Exception on inserting $v_desc: $@") unless $sqlite_broken_bigint;
f3b1224b 259 next;
260 };
04ab4eb1 261
262 # explicitly using eq, to make sure we did not nummify the argument
263 # which can be an issue on 32 bit ivsize
264 cmp_ok ($row->bigint, 'eq', $bi, "value in object correct ($v_desc)");
265
266 $row->discard_changes;
267
268 cmp_ok (
269 $row->bigint,
270
271 # the test will not pass an == if we are running under 32 bit ivsize
272 # use 'eq' on the numified (and possibly "scientificied") returned value
f3b1224b 273 (DBIx::Class::_ENV_::IV_SIZE < 8 and $v_bits > 32) ? 'eq' : '==',
04ab4eb1 274
275 # in 1.37 DBD::SQLite switched to proper losless representation of bigints
276 # regardless of ivize
277 # before this use 'eq' (from above) on the numified (and possibly
278 # "scientificied") returned value
279 (DBIx::Class::_ENV_::IV_SIZE < 8 and ! modver_gt_or_eq('DBD::SQLite', '1.37')) ? $bi+0 : $bi,
280
281 "value in database correct ($v_desc)"
282 );
1363f0f5 283
f3b1224b 284# FIXME - temporary smoke-only escape
285SKIP: {
286 skip 'Potential for false negatives - investigation pending', 1
287 if DBICTest::RunMode->is_plain;
288
289 # check if math works
290 # start by adding/subtracting a 50 bit integer, and then divide by 2 for good measure
291 my ($sqlop, $expect) = $bi < 0
292 ? ( '(bigint + ? )', ($bi + $many_bits) )
293 : ( '(bigint - ? )', ($bi - $many_bits) )
294 ;
295
296 $expect = ($expect + ($expect % 2)) / 2;
297
298 # read https://en.wikipedia.org/wiki/Modulo_operation#Common_pitfalls
299 # and check the tables on the right side of the article for an
300 # enlightening journey on why a mere bigint % 2 won't work
301 $sqlop = "( $sqlop + ( ((bigint % 2)+2)%2 ) ) / 2";
302
303 for my $dtype (undef, \'int', \'bigint') {
304
305 # FIXME - the double-load should not be needed
306 # will fix in the future
307 $row->update({ bigint => $bi });
308 $row->discard_changes;
309 $row->update({ bigint => \[ $sqlop, [ $dtype => $many_bits ] ] });
310 $row->discard_changes;
311
312 # can't use cmp_ok - will not engage the M::BI overload of $many_bits
313 ok (
314 $row->bigint
315
316 ==
317
318 (DBIx::Class::_ENV_::IV_SIZE < 8 and ! modver_gt_or_eq('DBD::SQLite', '1.37')) ? $expect->bstr + 0 : $expect
319 , "simple integer math with@{[ $dtype ? '' : 'out' ]} bindtype in database correct (base $v_desc)")
320 or diag sprintf '%s != %s', $row->bigint, $expect;
321 }
322# end of fixme
323}
324
325 is_deeply (\@w, [], "No mismatch warnings on bigint operations ($v_desc)" );
ce896b0d 326
327}}
67b35a45 328
86a51471 329done_testing;
330
331# vim:sts=2 sw=2: