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1 | use strict; |
2 | use warnings; |
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3 | |
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4 | use Test::More; |
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5 | use Test::Exception; |
6 | |
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7 | use Config; |
8 | |
9 | # README: If you set the env var to a number greater than 10, |
10 | # we will use that many children |
11 | |
12 | BEGIN { |
13 | plan skip_all => 'Your perl does not support ithreads' |
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14 | if !$Config{useithreads}; |
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15 | } |
16 | |
17 | use threads; |
18 | |
19 | my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/}; |
20 | my $num_children = $ENV{DBICTEST_THREAD_STRESS}; |
21 | |
22 | plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test' |
23 | unless $num_children; |
24 | |
25 | plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test' |
26 | . ' (note: creates and drops a table named artist!)' unless ($dsn && $user); |
27 | |
28 | diag 'It is normal to see a series of "Scalars leaked: ..." messages during this test'; |
29 | |
30 | if($num_children !~ /^[0-9]+$/ || $num_children < 10) { |
31 | $num_children = 10; |
32 | } |
33 | |
34 | plan tests => $num_children + 5; |
35 | |
36 | use lib qw(t/lib); |
37 | |
38 | use_ok('DBICTest::Schema'); |
39 | |
40 | my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 }); |
41 | |
42 | my $parent_rs; |
43 | |
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44 | lives_ok (sub { |
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45 | my $dbh = $schema->storage->dbh; |
46 | |
47 | { |
48 | local $SIG{__WARN__} = sub {}; |
49 | eval { $dbh->do("DROP TABLE cd") }; |
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50 | $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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51 | } |
52 | |
53 | $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 }); |
54 | $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 }); |
55 | |
56 | $parent_rs = $schema->resultset('CD')->search({ year => 1901 }); |
57 | $parent_rs->next; |
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58 | }, 'populate successfull'); |
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59 | |
60 | my @children; |
61 | while(@children < $num_children) { |
62 | |
63 | my $newthread = async { |
64 | my $tid = threads->tid; |
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65 | |
66 | my $child_rs = $schema->resultset('CD')->search({ year => 1901 }); |
67 | my $row = $parent_rs->next; |
68 | if($row && $row->get_column('artist') =~ /^(?:123|456)$/) { |
69 | $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) }); |
70 | } |
71 | sleep(3); |
72 | }; |
73 | die "Thread creation failed: $! $@" if !defined $newthread; |
74 | push(@children, $newthread); |
75 | } |
76 | |
77 | ok(1, "past spawning"); |
78 | |
79 | { |
80 | $_->join for(@children); |
81 | } |
82 | |
83 | ok(1, "past joining"); |
84 | |
85 | while(@children) { |
86 | my $child = pop(@children); |
87 | my $tid = $child->tid; |
88 | my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) }); |
89 | is($rs->next->get_column('artist'), $tid, "Child $tid successful"); |
90 | } |
91 | |
92 | ok(1, "Made it to the end"); |
93 | |
94 | $schema->storage->dbh->do("DROP TABLE cd"); |