Commit | Line | Data |
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1 | sub run_tests { |
2 | my $schema = shift; |
3 | |
4 | eval "use DBD::SQLite"; |
5 | plan skip_all => 'needs DBD::SQLite for testing' if $@; |
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6 | plan tests => 15; |
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7 | |
8 | my $rs = $schema->resultset("Artist")->search( |
9 | { artistid => 1 } |
10 | ); |
11 | |
12 | my $artist = $rs->first; |
13 | |
14 | is( scalar @{ $rs->get_cache }, 0, 'cache is not populated without cache attribute' ); |
15 | |
16 | $rs = $schema->resultset("Artist")->search( |
17 | { 'artistid' => 1 }, |
18 | { |
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19 | join => [ qw/ cds /], |
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20 | prefetch => [qw/ cds /], |
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21 | } |
22 | ); |
23 | |
f9cc31dd |
24 | use Data::Dumper; $Data::Dumper::Deparse = 1; |
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25 | |
26 | # start test for prefetch SELECT count |
27 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
28 | DBI->trace(1, 't/var/dbic.trace'); |
29 | |
30 | $artist = $rs->first; |
31 | $rs->reset(); |
32 | |
33 | # make sure artist contains a related resultset for cds |
34 | is( ref $artist->{related_resultsets}->{cds}, 'DBIx::Class::ResultSet', 'artist has a related_resultset for cds' ); |
35 | |
36 | # check if $artist->cds->get_cache is populated |
37 | is( scalar @{$artist->cds->get_cache}, 3, 'cache for artist->cds contains correct number of records'); |
38 | |
39 | # ensure that $artist->cds returns correct number of objects |
40 | is( scalar ($artist->cds), 3, 'artist->cds returns correct number of objects' ); |
41 | |
42 | # ensure that $artist->cds->count returns correct value |
43 | is( $artist->cds->count, 3, 'artist->cds->count returns correct value' ); |
44 | |
45 | # ensure that $artist->count_related('cds') returns correct value |
46 | is( $artist->count_related('cds'), 3, 'artist->count_related returns correct value' ); |
47 | |
48 | # count the SELECTs |
49 | DBI->trace(0, undef); |
50 | my $selects = 0; |
51 | my $trace = IO::File->new('t/var/dbic.trace', '<') |
52 | or die "Unable to read trace file"; |
53 | while (<$trace>) { |
54 | $selects++ if /SELECT/; |
55 | } |
56 | $trace->close; |
57 | unlink 't/var/dbic.trace'; |
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58 | is($selects, 1, 'only one SQL statement executed'); |
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59 | |
60 | # make sure related_resultset is deleted after object is updated |
61 | $artist->set_column('name', 'New Name'); |
62 | $artist->update(); |
63 | |
64 | is( scalar keys %{$artist->{related_resultsets}}, 0, 'related resultsets deleted after update' ); |
65 | |
66 | # todo: make sure caching works with nested prefetch e.g. $artist->cds->tracks |
67 | $rs = $schema->resultset("Artist")->search( |
68 | { artistid => 1 }, |
69 | { |
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70 | join => { cds => 'tags' }, |
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71 | prefetch => { |
72 | cds => 'tags' |
73 | }, |
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74 | } |
75 | ); |
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76 | { |
77 | $schema->resultset("Artist")->create({artistid=>4,name=>qq{Humoungous Hamsters}}); |
78 | my $artist = $schema->resultset("Artist")->search( |
79 | { artistid => 4 },{prefetch=>[qw/cds/]} |
80 | )->first; |
81 | |
82 | is($artist->cds, 0, 'No cds for this artist'); |
83 | } |
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84 | |
f9cc31dd |
85 | # SELECT count for nested has_many prefetch |
86 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
87 | DBI->trace(1, 't/var/dbic.trace'); |
88 | |
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89 | $artist = ($rs->all)[0]; |
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90 | |
91 | # count the SELECTs |
92 | DBI->trace(0, undef); |
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93 | $selects = 0; |
94 | $trace = IO::File->new('t/var/dbic.trace', '<') |
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95 | or die "Unable to read trace file"; |
96 | while (<$trace>) { |
97 | $selects++ if /SELECT/; |
98 | } |
99 | $trace->close; |
100 | unlink 't/var/dbic.trace'; |
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101 | is($selects, 1, 'only one SQL statement executed'); |
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102 | |
103 | my @objs; |
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104 | #$artist = $rs->find(1); |
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105 | |
106 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
107 | DBI->trace(1, 't/var/dbic.trace'); |
108 | |
109 | my $cds = $artist->cds; |
110 | my $tags = $cds->next->tags; |
111 | while( my $tag = $tags->next ) { |
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112 | push @objs, $tag->tagid; #warn "tag:", $tag->ID, " => ", $tag->tag; |
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113 | } |
114 | |
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115 | is_deeply( \@objs, [ 3 ], 'first cd has correct tags' ); |
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116 | |
117 | $tags = $cds->next->tags; |
118 | @objs = (); |
119 | while( my $tag = $tags->next ) { |
120 | push @objs, $tag->id; #warn "tag: ", $tag->ID; |
121 | } |
122 | |
123 | is_deeply( \@objs, [ 2, 5, 8 ], 'second cd has correct tags' ); |
124 | |
125 | # count the SELECTs |
126 | DBI->trace(0, undef); |
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127 | $selects = 0; |
128 | $trace = IO::File->new('t/var/dbic.trace', '<') |
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129 | or die "Unable to read trace file"; |
130 | while (<$trace>) { |
131 | $selects++ if /SELECT/; |
132 | } |
133 | $trace->close; |
134 | unlink 't/var/dbic.trace'; |
135 | |
136 | is( $selects, 0, 'no additional SQL statements while checking nested data' ); |
137 | |
d2b3ea14 |
138 | # start test for prefetch SELECT count |
139 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
140 | DBI->trace(1, 't/var/dbic.trace'); |
141 | |
142 | $artist = $schema->resultset('Artist')->find(1, { prefetch => [qw/cds/] }); |
143 | |
144 | # count the SELECTs |
145 | DBI->trace(0, undef); |
146 | $selects = 0; |
147 | $trace = IO::File->new('t/var/dbic.trace', '<') |
148 | or die "Unable to read trace file"; |
149 | while (<$trace>) { |
150 | $selects++ if /SELECT/; |
151 | } |
152 | $trace->close; |
153 | unlink 't/var/dbic.trace'; |
154 | |
155 | is( $selects, 1, 'only one select statement on find with inline has_many prefetch' ); |
156 | |
157 | # start test for prefetch SELECT count |
158 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
159 | DBI->trace(1, 't/var/dbic.trace'); |
160 | |
161 | $rs = $schema->resultset('Artist')->search(undef, { prefetch => [qw/cds/] }); |
162 | $artist = $rs->find(1); |
163 | |
164 | # count the SELECTs |
165 | DBI->trace(0, undef); |
166 | $selects = 0; |
167 | $trace = IO::File->new('t/var/dbic.trace', '<') |
168 | or die "Unable to read trace file"; |
169 | while (<$trace>) { |
170 | $selects++ if /SELECT/; |
171 | } |
172 | $trace->close; |
173 | unlink 't/var/dbic.trace'; |
174 | |
175 | is( $selects, 1, 'only one select statement on find with has_many prefetch on resultset' ); |
176 | |
64acc2bc |
177 | } |
178 | |
179 | 1; |