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1 | use Config; |
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2 | BEGIN { |
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3 | unless ($Config{useithreads}) { |
4 | print "1..0 # SKIP your perl does not support ithreads\n"; |
5 | exit 0; |
6 | } |
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7 | |
8 | if ($INC{'Devel/Cover.pm'}) { |
9 | print "1..0 # SKIP Devel::Cover does not work with threads yet\n"; |
10 | exit 0; |
11 | } |
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12 | } |
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13 | use threads; |
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14 | |
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15 | use strict; |
16 | use warnings; |
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17 | |
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18 | use Test::More; |
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19 | use Test::Exception; |
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20 | |
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21 | plan skip_all => 'DBIC does not actively support threads before perl 5.8.5' |
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22 | if $] < '5.008005'; |
23 | |
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24 | use DBIx::Class::Optional::Dependencies (); |
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25 | use lib qw(t/lib); |
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26 | use DBICTest; |
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27 | |
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28 | plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_pg') |
29 | unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_pg'); |
30 | |
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31 | my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/}; |
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32 | plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test' |
33 | . ' (note: creates and drops a table named artist!)' unless ($dsn && $user); |
34 | |
35 | # README: If you set the env var to a number greater than 10, |
36 | # we will use that many children |
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37 | my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1; |
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38 | if($num_children !~ /^[0-9]+$/ || $num_children < 10) { |
39 | $num_children = 10; |
40 | } |
41 | |
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42 | use_ok('DBICTest::Schema'); |
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43 | |
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44 | my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 }); |
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45 | |
46 | my $parent_rs; |
47 | |
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48 | lives_ok (sub { |
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49 | my $dbh = $schema->storage->dbh; |
50 | |
51 | { |
52 | local $SIG{__WARN__} = sub {}; |
53 | eval { $dbh->do("DROP TABLE cd") }; |
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54 | $dbh->do("CREATE TABLE cd (cdid serial PRIMARY KEY, artist INTEGER NOT NULL UNIQUE, title VARCHAR(100) NOT NULL UNIQUE, year VARCHAR(100) NOT NULL, genreid INTEGER, single_track INTEGER);"); |
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55 | } |
56 | |
57 | $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 }); |
58 | $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 }); |
59 | |
60 | $parent_rs = $schema->resultset('CD')->search({ year => 1901 }); |
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61 | is ($parent_rs->count, 2); |
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62 | }, 'populate successfull'); |
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63 | |
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64 | # basic tests |
65 | { |
66 | ok ($schema->storage->connected(), 'Parent is connected'); |
67 | is ($parent_rs->next->id, 1, 'Cursor advanced'); |
68 | my $ct_num = Test::More->builder->current_test; |
69 | |
70 | my $newthread = async { |
71 | my $out = ''; |
72 | |
73 | #simulate a subtest to not confuse the parent TAP emission |
74 | my $tb = Test::More->builder; |
75 | $tb->reset; |
76 | for (qw/output failure_output todo_output/) { |
77 | close $tb->$_; |
78 | open ($tb->$_, '>', \$out); |
79 | } |
80 | |
81 | ok(!$schema->storage->connected, "storage->connected() false in child"); |
82 | for (1,2) { |
83 | throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/; |
84 | } |
85 | |
86 | $parent_rs->reset; |
87 | is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment'); |
88 | |
89 | done_testing; |
90 | |
91 | close $tb->$_ for (qw/output failure_output todo_output/); |
92 | sleep(1); # tasty crashes without this |
93 | |
94 | $out; |
95 | }; |
96 | die "Thread creation failed: $! $@" if !defined $newthread; |
97 | |
98 | my $out = $newthread->join; |
99 | $out =~ s/^/ /gm; |
100 | print $out; |
101 | |
102 | # workaround for older Test::More confusing the plan under threads |
103 | Test::More->builder->current_test($ct_num); |
104 | |
105 | is ($parent_rs->next->id, 2, 'Cursor still intact in parent'); |
106 | is ($parent_rs->next, undef, 'Cursor exhausted'); |
107 | } |
108 | |
109 | $parent_rs->reset; |
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110 | my @children; |
111 | while(@children < $num_children) { |
112 | |
113 | my $newthread = async { |
114 | my $tid = threads->tid; |
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115 | |
116 | my $child_rs = $schema->resultset('CD')->search({ year => 1901 }); |
117 | my $row = $parent_rs->next; |
118 | if($row && $row->get_column('artist') =~ /^(?:123|456)$/) { |
119 | $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) }); |
120 | } |
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121 | sleep(1); # tasty crashes without this |
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122 | }; |
123 | die "Thread creation failed: $! $@" if !defined $newthread; |
124 | push(@children, $newthread); |
125 | } |
126 | |
127 | ok(1, "past spawning"); |
128 | |
129 | { |
130 | $_->join for(@children); |
131 | } |
132 | |
133 | ok(1, "past joining"); |
134 | |
135 | while(@children) { |
136 | my $child = pop(@children); |
137 | my $tid = $child->tid; |
138 | my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) }); |
139 | is($rs->next->get_column('artist'), $tid, "Child $tid successful"); |
140 | } |
141 | |
142 | ok(1, "Made it to the end"); |
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143 | undef $parent_rs; |
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144 | |
145 | $schema->storage->dbh->do("DROP TABLE cd"); |
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146 | |
147 | done_testing; |