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1 | sub run_tests { |
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2 | my $schema = shift; |
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3 | |
4 | use IO::File; |
5 | |
6 | BEGIN { |
7 | eval "use DBD::SQLite"; |
8 | plan $@ |
9 | ? ( skip_all => 'needs DBD::SQLite for testing' ) |
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10 | : ( tests => 40 ); |
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11 | } |
12 | |
13 | # test the abstract join => SQL generator |
14 | my $sa = new DBIC::SQL::Abstract; |
15 | |
16 | my @j = ( |
17 | { child => 'person' }, |
18 | [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ], |
19 | [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], |
20 | ); |
21 | my $match = 'person child JOIN person father ON ( father.person_id = ' |
22 | . 'child.father_id ) JOIN person mother ON ( mother.person_id ' |
23 | . '= child.mother_id )' |
24 | ; |
25 | is( $sa->_recurse_from(@j), $match, 'join 1 ok' ); |
26 | |
27 | my @j2 = ( |
28 | { mother => 'person' }, |
29 | [ [ { child => 'person' }, |
30 | [ { father => 'person' }, |
31 | { 'father.person_id' => 'child.father_id' } |
32 | ] |
33 | ], |
34 | { 'mother.person_id' => 'child.mother_id' } |
35 | ], |
36 | ); |
37 | $match = 'person mother JOIN (person child JOIN person father ON (' |
38 | . ' father.person_id = child.father_id )) ON ( mother.person_id = ' |
39 | . 'child.mother_id )' |
40 | ; |
41 | is( $sa->_recurse_from(@j2), $match, 'join 2 ok' ); |
42 | |
43 | my @j3 = ( |
44 | { child => 'person' }, |
45 | [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ], |
46 | [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ], |
47 | ); |
48 | $match = 'person child INNER JOIN person father ON ( father.person_id = ' |
49 | . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id ' |
50 | . '= child.mother_id )' |
51 | ; |
52 | |
53 | is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok'); |
54 | |
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55 | my $rs = $schema->resultset("CD")->search( |
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56 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
57 | { from => [ { 'me' => 'cd' }, |
58 | [ |
59 | { artist => 'artist' }, |
60 | { 'me.artist' => 'artist.artistid' } |
61 | ] ] } |
62 | ); |
63 | |
64 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
65 | |
66 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
67 | |
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68 | $rs = $schema->resultset("CD")->search( |
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69 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
70 | { join => 'artist' }); |
71 | |
72 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
73 | |
74 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
75 | |
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76 | $rs = $schema->resultset("CD")->search( |
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77 | { 'artist.name' => 'We Are Goth', |
78 | 'liner_notes.notes' => 'Kill Yourself!' }, |
79 | { join => [ qw/artist liner_notes/ ] }); |
80 | |
81 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
82 | |
83 | is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned'); |
84 | |
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85 | # when using join attribute, make sure slice()ing all objects has same count as all() |
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86 | $rs = $schema->resultset("CD")->search( |
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87 | { 'artist' => 1 }, |
88 | { join => [qw/artist/], order_by => 'artist.name' } |
89 | ); |
90 | cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' ); |
91 | |
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92 | $rs = $schema->resultset("Artist")->search( |
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93 | { 'liner_notes.notes' => 'Kill Yourself!' }, |
94 | { join => { 'cds' => 'liner_notes' } }); |
95 | |
96 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
97 | |
98 | is($rs->first->name, 'We Are Goth', 'Correct record returned'); |
99 | |
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100 | $rs = $schema->resultset("CD")->search( |
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101 | { 'artist.name' => 'Caterwauler McCrae' }, |
102 | { prefetch => [ qw/artist liner_notes/ ], |
103 | order_by => 'me.cdid' }); |
104 | |
105 | cmp_ok($rs->count, '==', 3, 'Correct number of records returned'); |
106 | |
107 | # start test for prefetch SELECT count |
108 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
109 | DBI->trace(1, 't/var/dbic.trace'); |
110 | |
111 | my @cd = $rs->all; |
112 | |
113 | is($cd[0]->title, 'Spoonful of bees', 'First record returned ok'); |
114 | |
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115 | ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join'); |
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116 | |
117 | is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN'); |
118 | |
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119 | is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class'); |
120 | |
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121 | is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok'); |
122 | |
123 | # count the SELECTs |
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124 | DBI->trace(0, undef); |
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125 | my $selects = 0; |
126 | my $trace = IO::File->new('t/var/dbic.trace', '<') |
127 | or die "Unable to read trace file"; |
128 | while (<$trace>) { |
129 | $selects++ if /SELECT/; |
130 | } |
131 | $trace->close; |
132 | unlink 't/var/dbic.trace'; |
133 | is($selects, 1, 'prefetch ran only 1 select statement'); |
134 | |
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135 | # start test for nested prefetch SELECT count |
136 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
137 | DBI->trace(1, 't/var/dbic.trace'); |
138 | |
139 | $rs = $schema->resultset('Tag')->search( |
140 | {}, |
141 | { |
142 | prefetch => { cd => 'artist' } |
143 | } |
144 | ); |
145 | |
146 | my $tag = $rs->first; |
147 | |
148 | is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' ); |
149 | |
150 | is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch'); |
151 | |
152 | # count the SELECTs |
153 | DBI->trace(0, undef); |
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154 | $selects = 0; |
155 | $trace = IO::File->new('t/var/dbic.trace', '<') |
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156 | or die "Unable to read trace file"; |
157 | while (<$trace>) { |
158 | $selects++ if /SELECT(?!.*WHERE 1=0.*)/; |
159 | } |
160 | $trace->close; |
161 | unlink 't/var/dbic.trace'; |
162 | is($selects, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)'); |
163 | |
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164 | # start test for prefetch on find SELECT count |
165 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
166 | DBI->trace(1, 't/var/dbic.trace'); |
167 | |
168 | my $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' }); |
169 | |
170 | is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find'); |
171 | |
172 | # count the SELECTs |
173 | DBI->trace(0, undef); |
174 | $selects = 0; |
175 | $trace = IO::File->new('t/var/dbic.trace', '<') |
176 | or die "Unable to read trace file"; |
177 | while (<$trace>) { |
178 | $selects++ if /SELECT(?!.*WHERE 1=0.*)/; |
179 | } |
180 | $trace->close; |
181 | unlink 't/var/dbic.trace'; |
182 | is($selects, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)'); |
183 | |
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184 | $rs = $schema->resultset('Tag')->search( |
185 | {}, |
186 | { |
187 | join => { cd => 'artist' }, |
188 | prefetch => { cd => 'artist' } |
189 | } |
190 | ); |
191 | |
192 | cmp_ok( $rs->count, '>=', 0, 'nested prefetch does not duplicate joins' ); |
193 | |
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194 | my ($artist) = $schema->resultset("Artist")->search({ 'cds.year' => 2001 }, |
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195 | { order_by => 'artistid DESC', join => 'cds' }); |
196 | |
197 | is($artist->name, 'Random Boy Band', "Join search by object ok"); |
198 | |
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199 | my @cds = $schema->resultset("CD")->search({ 'liner_notes.notes' => 'Buy Merch!' }, |
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200 | { join => 'liner_notes' }); |
201 | |
202 | cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have"); |
203 | |
204 | is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved"); |
205 | |
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206 | my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' }, |
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207 | { join => { 'cds' => 'tags' } }); |
208 | |
209 | cmp_ok( @artists, '==', 2, "two-join search ok" ); |
210 | |
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211 | $rs = $schema->resultset("CD")->search( |
212 | {}, |
213 | { group_by => [qw/ title me.cdid /] } |
214 | ); |
215 | |
216 | cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" ); |
217 | |
218 | cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" ); |
219 | |
220 | $rs = $schema->resultset("CD")->search( |
221 | {}, |
222 | { join => [qw/ artist /], group_by => [qw/ artist.name /] } |
223 | ); |
224 | |
225 | cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" ); |
226 | |
227 | cmp_ok( scalar $rs->all, '==', 3, "all() returns same count as count() after group_by on related column" ); |
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228 | |
229 | $rs = $schema->resultset("Artist")->search( |
230 | { 'cds.title' => 'Spoonful of bees', |
231 | 'cds_2.title' => 'Forkful of bees' }, |
232 | { join => [ 'cds', 'cds' ] }); |
233 | |
234 | cmp_ok($rs->count, '==', 1, "single artist returned from multi-join"); |
235 | is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned"); |
236 | |
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237 | my $queries; |
238 | $schema->storage->debugcb(sub { $queries++ }); |
239 | $schema->storage->debug(1); |
240 | |
241 | my $tree_like = |
242 | $schema->resultset('TreeLike')->find(4, |
243 | { join => { parent => { parent => 'parent' } }, |
244 | prefetch => { parent => { parent => 'parent' } } }); |
245 | |
246 | is($tree_like->name, 'quux', 'Bottom of tree ok'); |
247 | $tree_like = $tree_like->parent; |
248 | is($tree_like->name, 'baz', 'First level up ok'); |
249 | $tree_like = $tree_like->parent; |
250 | is($tree_like->name, 'bar', 'Second level up ok'); |
251 | $tree_like = $tree_like->parent; |
252 | is($tree_like->name, 'foo', 'Third level up ok'); |
253 | |
254 | $schema->storage->debug(0); |
255 | |
256 | cmp_ok($queries, '==', 1, 'Only one query run'); |
257 | |
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258 | } # end run_tests |
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259 | |
260 | 1; |