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
|
use strict;
use warnings;
use Test::More;
use lib qw(t/lib);
use DBICTest;
my $schema = DBICTest->init_schema();
plan tests => 39;
my $code = sub {
my ($artist, @cd_titles) = @_;
$artist->create_related('cds', {
title => $_,
year => 2006,
}) foreach (@cd_titles);
return $artist->cds->all;
};
# Test checking of parameters
{
eval {
(ref $schema)->txn_do(sub{});
};
like($@, qr/storage/, "can't call txn_do without storage");
eval {
$schema->txn_do('');
};
like($@, qr/must be a CODE reference/, '$coderef parameter check ok');
}
# Test successful txn_do() - scalar context
{
my @titles = map {'txn_do test CD ' . $_} (1..5);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
my $count_after = $schema->txn_do($code, $artist, @titles);
is($count_after, $count_before+5, 'successful txn added 5 cds');
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (1..5);
}
# Test successful txn_do() - list context
{
my @titles = map {'txn_do test CD ' . $_} (6..10);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
my @cds = $schema->txn_do($code, $artist, @titles);
is(scalar @cds, $count_before+5, 'added 5 CDs and returned in list context');
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (6..10);
}
# Test nested successful txn_do()
{
my $nested_code = sub {
my ($schema, $artist, $code) = @_;
my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);
$schema->txn_do($code, $artist, @titles1);
$schema->txn_do($code, $artist, @titles2);
};
my $artist = $schema->resultset('Artist')->find(2);
my $count_before = $artist->cds->count;
eval {
$schema->txn_do($nested_code, $schema, $artist, $code);
};
my $error = $@;
ok(!$error, 'nested txn_do succeeded');
is($artist->cds({
title => 'nested txn_do test CD '.$_,
})->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');
}
my $fail_code = sub {
my ($artist) = @_;
$artist->create_related('cds', {
title => 'this should not exist',
year => 2005,
});
die "the sky is falling";
};
# Test failed txn_do()
{
my $artist = $schema->resultset('Artist')->find(3);
eval {
$schema->txn_do($fail_code, $artist);
};
my $error = $@;
like($error, qr/the sky is falling/, 'failed txn_do threw an exception');
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{failed txn_do didn't change the cds table});
}
# Test failed txn_do() with failed rollback
{
my $artist = $schema->resultset('Artist')->find(3);
# Force txn_rollback() to throw an exception
no warnings 'redefine';
no strict 'refs';
local *{"DBIx::Class::Schema::txn_rollback"} = sub{die 'FAILED'};
eval {
$schema->txn_do($fail_code, $artist);
};
my $error = $@;
like($error, qr/Rollback failed/, 'failed txn_do with a failed '.
'txn_rollback threw a rollback exception');
like($error, qr/the sky is falling/, 'failed txn_do with a failed '.
'txn_rollback included the original exception');
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
q{changed the cds table});
$cd->delete; # Rollback failed
$cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{deleted the failed txn's cd});
$schema->storage->{transaction_depth} = 0; # Must reset this or further tests
# will fail
}
# Test nested failed txn_do()
{
my $nested_fail_code = sub {
my ($schema, $artist, $code1, $code2) = @_;
my @titles = map {'nested txn_do test CD ' . $_} (1..5);
$schema->txn_do($code1, $artist, @titles); # successful txn
$schema->txn_do($code2, $artist); # failed txn
};
my $artist = $schema->resultset('Artist')->find(3);
eval {
$schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
};
my $error = $@;
like($error, qr/the sky is falling/, 'nested failed txn_do threw exception');
ok(!defined($artist->cds({
title => 'nested txn_do test CD '.$_,
year => 2006,
})->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
}
|
