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c0329273 |
1 | BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) } |
2 | |
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3 | use Config; |
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4 | BEGIN { |
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5 | unless ($Config{useithreads}) { |
6 | print "1..0 # SKIP your perl does not support ithreads\n"; |
7 | exit 0; |
8 | } |
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9 | |
10 | if ($INC{'Devel/Cover.pm'}) { |
11 | print "1..0 # SKIP Devel::Cover does not work with threads yet\n"; |
12 | exit 0; |
13 | } |
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14 | } |
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15 | use threads; |
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16 | |
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17 | use DBIx::Class::Optional::Dependencies -skip_all_without => 'test_rdbms_pg'; |
18 | |
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19 | use strict; |
20 | use warnings; |
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21 | |
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22 | use Test::More; |
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23 | use Test::Exception; |
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24 | use Time::HiRes qw(time sleep); |
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25 | |
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26 | plan skip_all => 'DBIC does not actively support threads before perl 5.8.5' |
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27 | if "$]" < 5.008005; |
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28 | |
c0329273 |
29 | |
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30 | use DBICTest; |
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31 | |
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32 | # README: If you set the env var to a number greater than 5, |
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33 | # we will use that many children |
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34 | my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1; |
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35 | if($num_children !~ /^[0-9]+$/ || $num_children < 5) { |
36 | $num_children = 5; |
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37 | } |
38 | |
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39 | my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/}; |
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40 | |
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41 | my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 }); |
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42 | |
43 | my $parent_rs; |
44 | |
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45 | lives_ok (sub { |
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46 | my $dbh = $schema->storage->dbh; |
47 | |
48 | { |
49 | local $SIG{__WARN__} = sub {}; |
50 | eval { $dbh->do("DROP TABLE cd") }; |
a1cb5921 |
51 | $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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52 | } |
53 | |
54 | $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 }); |
55 | $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 }); |
56 | |
57 | $parent_rs = $schema->resultset('CD')->search({ year => 1901 }); |
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58 | is ($parent_rs->count, 2); |
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59 | }, 'populate successfull'); |
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60 | |
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61 | # basic tests |
62 | { |
63 | ok ($schema->storage->connected(), 'Parent is connected'); |
64 | is ($parent_rs->next->id, 1, 'Cursor advanced'); |
65 | my $ct_num = Test::More->builder->current_test; |
66 | |
67 | my $newthread = async { |
68 | my $out = ''; |
69 | |
70 | #simulate a subtest to not confuse the parent TAP emission |
71 | my $tb = Test::More->builder; |
72 | $tb->reset; |
73 | for (qw/output failure_output todo_output/) { |
74 | close $tb->$_; |
75 | open ($tb->$_, '>', \$out); |
76 | } |
77 | |
78 | ok(!$schema->storage->connected, "storage->connected() false in child"); |
79 | for (1,2) { |
80 | throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/; |
81 | } |
82 | |
83 | $parent_rs->reset; |
84 | is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment'); |
85 | |
86 | done_testing; |
87 | |
88 | close $tb->$_ for (qw/output failure_output todo_output/); |
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89 | sleep (0.2); # tasty crashes without this |
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90 | |
91 | $out; |
92 | }; |
93 | die "Thread creation failed: $! $@" if !defined $newthread; |
94 | |
95 | my $out = $newthread->join; |
96 | $out =~ s/^/ /gm; |
97 | print $out; |
98 | |
99 | # workaround for older Test::More confusing the plan under threads |
100 | Test::More->builder->current_test($ct_num); |
101 | |
102 | is ($parent_rs->next->id, 2, 'Cursor still intact in parent'); |
103 | is ($parent_rs->next, undef, 'Cursor exhausted'); |
104 | } |
105 | |
106 | $parent_rs->reset; |
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107 | |
108 | # sleep until this spot so everything starts simultaneously |
109 | # add "until turn of second" for prettier display |
110 | my $t = int( time() ) + 4; |
111 | |
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112 | my @children; |
113 | while(@children < $num_children) { |
114 | |
115 | my $newthread = async { |
116 | my $tid = threads->tid; |
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117 | |
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118 | sleep ($t - time); |
119 | |
120 | # FIXME if we do not stagger the threads, sparks fly due to CXSA |
121 | sleep ( $tid / 10 ) if "$]" < 5.012; |
122 | |
123 | note ("Thread $tid starting work at " . time() ); |
124 | |
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125 | my $child_rs = $schema->resultset('CD')->search({ year => 1901 }); |
126 | my $row = $parent_rs->next; |
127 | if($row && $row->get_column('artist') =~ /^(?:123|456)$/) { |
128 | $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) }); |
129 | } |
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130 | |
131 | sleep (0.2); # without this many tasty crashes even on latest perls |
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132 | }; |
133 | die "Thread creation failed: $! $@" if !defined $newthread; |
134 | push(@children, $newthread); |
135 | } |
136 | |
137 | ok(1, "past spawning"); |
138 | |
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139 | my @tids; |
140 | for (@children) { |
141 | push @tids, $_->tid; |
142 | $_->join; |
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143 | } |
144 | |
145 | ok(1, "past joining"); |
146 | |
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147 | while (@tids) { |
148 | my $tid = pop @tids; |
149 | my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@tids) }); |
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150 | is($rs->next->get_column('artist'), $tid, "Child $tid successful"); |
151 | } |
152 | |
153 | ok(1, "Made it to the end"); |
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154 | undef $parent_rs; |
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155 | |
156 | $schema->storage->dbh->do("DROP TABLE cd"); |
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157 | |
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158 | # Too many threading bugs on exit, none of which have anything to do with |
159 | # the actual stuff we test |
160 | $ENV{DBICTEST_DIRTY_EXIT} = 1 |
161 | if "$]" < 5.012; |
162 | |
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163 | done_testing; |