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70350518 |
1 | use strict; |
2 | use warnings; |
3 | |
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4 | use Test::More; |
5 | use lib qw(t/lib); |
6 | use DBICTest; |
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7 | |
8 | eval "use SQL::Translator"; |
9 | plan skip_all => 'SQL::Translator required' if $@; |
10 | |
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11 | my $schema = DBICTest->init_schema; |
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12 | |
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13 | plan tests => 56; |
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14 | |
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15 | my $translator = SQL::Translator->new( |
16 | parser_args => { |
17 | 'DBIx::Schema' => $schema, |
18 | }, |
19 | producer_args => {}, |
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20 | ); |
21 | |
22 | $translator->parser('SQL::Translator::Parser::DBIx::Class'); |
23 | $translator->producer('SQLite'); |
24 | |
25 | my $output = $translator->translate(); |
26 | |
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27 | |
28 | ok($output, "SQLT produced someoutput") |
29 | or diag($translator->error); |
30 | |
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31 | # Note that the constraints listed here are the only ones that are tested -- if |
32 | # more exist in the Schema than are listed here and all listed constraints are |
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33 | # correct, the test will still pass. If you add a class with UNIQUE or FOREIGN |
34 | # KEY constraints to DBICTest::Schema, add tests here if you think the existing |
35 | # test coverage is not sufficient |
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36 | |
37 | my %fk_constraints = ( |
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38 | |
39 | # TwoKeys |
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40 | twokeys => [ |
41 | { |
42 | 'display' => 'twokeys->cd', |
43 | 'selftable' => 'twokeys', 'foreigntable' => 'cd', |
44 | 'selfcols' => ['cd'], 'foreigncols' => ['cdid'], |
45 | on_delete => '', on_update => '', |
46 | }, |
47 | { |
48 | 'display' => 'twokeys->artist', |
49 | 'selftable' => 'twokeys', 'foreigntable' => 'artist', |
50 | 'selfcols' => ['artist'], 'foreigncols' => ['artistid'], |
51 | on_delete => 'CASCADE', on_update => 'CASCADE', |
52 | }, |
53 | ], |
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54 | |
55 | # FourKeys_to_TwoKeys |
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56 | fourkeys_to_twokeys => [ |
57 | { |
58 | 'display' => 'fourkeys_to_twokeys->twokeys', |
59 | 'selftable' => 'fourkeys_to_twokeys', 'foreigntable' => 'twokeys', |
60 | 'selfcols' => ['t_artist', 't_cd'], 'foreigncols' => ['artist', 'cd'], |
61 | on_delete => 'CASCADE', on_update => 'CASCADE', |
62 | }, |
63 | { |
64 | 'display' => 'fourkeys_to_twokeys->fourkeys', |
65 | 'selftable' => 'fourkeys_to_twokeys', 'foreigntable' => 'fourkeys', |
66 | 'selfcols' => [qw(f_foo f_bar f_hello f_goodbye)], |
67 | 'foreigncols' => [qw(foo bar hello goodbye)], |
68 | on_delete => 'CASCADE', on_update => 'CASCADE', |
69 | }, |
70 | ], |
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71 | |
72 | # CD_to_Producer |
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73 | cd_to_producer => [ |
74 | { |
75 | 'display' => 'cd_to_producer->cd', |
76 | 'selftable' => 'cd_to_producer', 'foreigntable' => 'cd', |
77 | 'selfcols' => ['cd'], 'foreigncols' => ['cdid'], |
78 | on_delete => 'CASCADE', on_update => 'CASCADE', |
79 | }, |
80 | { |
81 | 'display' => 'cd_to_producer->producer', |
82 | 'selftable' => 'cd_to_producer', 'foreigntable' => 'producer', |
83 | 'selfcols' => ['producer'], 'foreigncols' => ['producerid'], |
84 | on_delete => '', on_update => '', |
85 | }, |
86 | ], |
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87 | |
88 | # Self_ref_alias |
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89 | self_ref_alias => [ |
90 | { |
91 | 'display' => 'self_ref_alias->self_ref for self_ref', |
92 | 'selftable' => 'self_ref_alias', 'foreigntable' => 'self_ref', |
93 | 'selfcols' => ['self_ref'], 'foreigncols' => ['id'], |
94 | on_delete => 'CASCADE', on_update => 'CASCADE', |
95 | }, |
96 | { |
97 | 'display' => 'self_ref_alias->self_ref for alias', |
98 | 'selftable' => 'self_ref_alias', 'foreigntable' => 'self_ref', |
99 | 'selfcols' => ['alias'], 'foreigncols' => ['id'], |
100 | on_delete => '', on_update => '', |
101 | }, |
102 | ], |
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103 | |
104 | # CD |
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105 | cd => [ |
106 | { |
107 | 'display' => 'cd->artist', |
108 | 'selftable' => 'cd', 'foreigntable' => 'artist', |
109 | 'selfcols' => ['artist'], 'foreigncols' => ['artistid'], |
110 | on_delete => 'CASCADE', on_update => 'CASCADE', |
111 | }, |
112 | ], |
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113 | |
114 | # Artist_undirected_map |
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115 | artist_undirected_map => [ |
116 | { |
117 | 'display' => 'artist_undirected_map->artist for id1', |
118 | 'selftable' => 'artist_undirected_map', 'foreigntable' => 'artist', |
119 | 'selfcols' => ['id1'], 'foreigncols' => ['artistid'], |
120 | on_delete => 'CASCADE', on_update => '', |
121 | }, |
122 | { |
123 | 'display' => 'artist_undirected_map->artist for id2', |
124 | 'selftable' => 'artist_undirected_map', 'foreigntable' => 'artist', |
125 | 'selfcols' => ['id2'], 'foreigncols' => ['artistid'], |
126 | on_delete => 'CASCADE', on_update => '', |
127 | }, |
128 | ], |
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129 | |
130 | # Track |
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131 | track => [ |
132 | { |
133 | 'display' => 'track->cd', |
134 | 'selftable' => 'track', 'foreigntable' => 'cd', |
135 | 'selfcols' => ['cd'], 'foreigncols' => ['cdid'], |
136 | on_delete => 'CASCADE', on_update => 'CASCADE', |
137 | }, |
138 | ], |
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139 | |
140 | # TreeLike |
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141 | treelike => [ |
142 | { |
143 | 'display' => 'treelike->treelike for parent', |
144 | 'selftable' => 'treelike', 'foreigntable' => 'treelike', |
145 | 'selfcols' => ['parent'], 'foreigncols' => ['id'], |
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146 | on_delete => 'CASCADE', on_update => 'CASCADE', |
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147 | }, |
148 | ], |
149 | |
150 | # TwoKeyTreeLike |
151 | twokeytreelike => [ |
152 | { |
153 | 'display' => 'twokeytreelike->twokeytreelike for parent1,parent2', |
154 | 'selftable' => 'twokeytreelike', 'foreigntable' => 'twokeytreelike', |
155 | 'selfcols' => ['parent1', 'parent2'], 'foreigncols' => ['id1','id2'], |
156 | on_delete => '', on_update => '', |
157 | }, |
158 | ], |
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159 | |
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160 | # Tags |
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161 | tags => [ |
162 | { |
163 | 'display' => 'tags->cd', |
164 | 'selftable' => 'tags', 'foreigntable' => 'cd', |
165 | 'selfcols' => ['cd'], 'foreigncols' => ['cdid'], |
166 | on_delete => 'CASCADE', on_update => 'CASCADE', |
167 | }, |
168 | ], |
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169 | |
170 | # Bookmark |
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171 | bookmark => [ |
172 | { |
173 | 'display' => 'bookmark->link', |
174 | 'selftable' => 'bookmark', 'foreigntable' => 'link', |
175 | 'selfcols' => ['link'], 'foreigncols' => ['id'], |
176 | on_delete => '', on_update => '', |
177 | }, |
178 | ], |
179 | ); |
180 | |
181 | my %unique_constraints = ( |
182 | # CD |
183 | cd => [ |
184 | { |
185 | 'display' => 'cd artist and title unique', |
186 | 'table' => 'cd', 'cols' => ['artist', 'title'], |
187 | }, |
188 | ], |
189 | |
190 | # Producer |
191 | producer => [ |
192 | { |
193 | 'display' => 'producer name unique', |
194 | 'table' => 'producer', 'cols' => ['name'], |
195 | }, |
196 | ], |
197 | |
198 | # TwoKeyTreeLike |
199 | twokeytreelike => [ |
200 | { |
201 | 'display' => 'twokeytreelike name unique', |
202 | 'table' => 'twokeytreelike', 'cols' => ['name'], |
203 | }, |
204 | ], |
205 | |
206 | # Employee |
207 | # Constraint is commented out in DBICTest/Schema/Employee.pm |
208 | # employee => [ |
209 | # { |
210 | # 'display' => 'employee position and group_id unique', |
211 | # 'table' => 'employee', cols => ['position', 'group_id'], |
212 | # }, |
213 | # ], |
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214 | ); |
215 | |
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216 | my %indexes = ( |
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217 | artist => [ |
218 | { |
219 | 'fields' => ['name'] |
220 | }, |
221 | ] |
222 | ); |
223 | |
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224 | my $tschema = $translator->schema(); |
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225 | |
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226 | # Test that the $schema->sqlt_deploy_hook was called okay and that it removed |
227 | # the 'link' table |
228 | ok( !defined($tschema->get_table('link')), "Link table was removed by hook"); |
229 | |
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230 | # Test that nonexistent constraints are not found |
231 | my $constraint = get_constraint('FOREIGN KEY', 'cd', ['title'], 'cd', ['year']); |
232 | ok( !defined($constraint), 'nonexistent FOREIGN KEY constraint not found' ); |
233 | $constraint = get_constraint('UNIQUE', 'cd', ['artist']); |
234 | ok( !defined($constraint), 'nonexistent UNIQUE constraint not found' ); |
235 | |
236 | for my $expected_constraints (keys %fk_constraints) { |
237 | for my $expected_constraint (@{ $fk_constraints{$expected_constraints} }) { |
238 | my $desc = $expected_constraint->{display}; |
239 | my $constraint = get_constraint( |
240 | 'FOREIGN KEY', |
241 | $expected_constraint->{selftable}, $expected_constraint->{selfcols}, |
242 | $expected_constraint->{foreigntable}, $expected_constraint->{foreigncols}, |
243 | ); |
244 | ok( defined($constraint), "FOREIGN KEY constraint matching `$desc' found" ); |
245 | test_fk($expected_constraint, $constraint); |
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246 | } |
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247 | } |
248 | |
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249 | for my $expected_constraints (keys %unique_constraints) { |
250 | for my $expected_constraint (@{ $unique_constraints{$expected_constraints} }) { |
251 | my $desc = $expected_constraint->{display}; |
252 | my $constraint = get_constraint( |
253 | 'UNIQUE', $expected_constraint->{table}, $expected_constraint->{cols}, |
254 | ); |
255 | ok( defined($constraint), "UNIQUE constraint matching `$desc' found" ); |
256 | } |
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257 | } |
258 | |
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259 | for my $table_index (keys %indexes) { |
260 | for my $expected_index ( @{ $indexes{$table_index} } ) { |
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261 | |
262 | ok ( get_index($table_index, $expected_index), "Got a matching index on $table_index table"); |
263 | } |
264 | } |
265 | |
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266 | # Returns the Constraint object for the specified constraint type, table and |
267 | # columns from the SQL::Translator schema, or undef if no matching constraint |
268 | # is found. |
269 | # |
270 | # NB: $type is either 'FOREIGN KEY' or 'UNIQUE'. In UNIQUE constraints the last |
271 | # two parameters are not used. |
272 | sub get_constraint { |
273 | my ($type, $table_name, $cols, $f_table, $f_cols) = @_; |
274 | $f_table ||= ''; # For UNIQUE constraints, reference_table is '' |
275 | $f_cols ||= []; |
276 | |
277 | my $table = $tschema->get_table($table_name); |
278 | |
279 | my %fields = map { $_ => 1 } @$cols; |
280 | my %f_fields = map { $_ => 1 } @$f_cols; |
281 | |
282 | CONSTRAINT: |
283 | for my $constraint ( $table->get_constraints ) { |
284 | next unless $constraint->type eq $type; |
285 | next unless $constraint->reference_table eq $f_table; |
286 | |
287 | my %rev_fields = map { $_ => 1 } $constraint->fields; |
288 | my %rev_f_fields = map { $_ => 1 } $constraint->reference_fields; |
289 | |
290 | # Check that the given fields are a subset of the constraint's fields |
291 | for my $field ($constraint->fields) { |
292 | next CONSTRAINT unless $fields{$field}; |
293 | } |
294 | if ($type eq 'FOREIGN KEY') { |
295 | for my $f_field ($constraint->reference_fields) { |
296 | next CONSTRAINT unless $f_fields{$f_field}; |
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297 | } |
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298 | } |
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299 | |
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300 | # Check that the constraint's fields are a subset of the given fields |
301 | for my $field (@$cols) { |
302 | next CONSTRAINT unless $rev_fields{$field}; |
303 | } |
304 | if ($type eq 'FOREIGN KEY') { |
305 | for my $f_field (@$f_cols) { |
306 | next CONSTRAINT unless $rev_f_fields{$f_field}; |
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307 | } |
308 | } |
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309 | |
310 | return $constraint; # everything passes, found the constraint |
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311 | } |
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312 | return undef; # didn't find a matching constraint |
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313 | } |
314 | |
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315 | sub get_index { |
316 | my ($table_name, $index) = @_; |
317 | |
318 | my $table = $tschema->get_table($table_name); |
319 | |
320 | CAND_INDEX: |
321 | for my $cand_index ( $table->get_indices ) { |
322 | |
323 | next CAND_INDEX if $index->{name} && $cand_index->name ne $index->{name} |
324 | || $index->{type} && $cand_index->type ne $index->{type}; |
325 | |
326 | my %idx_fields = map { $_ => 1 } $cand_index->fields; |
327 | |
328 | for my $field ( @{ $index->{fields} } ) { |
329 | next CAND_INDEX unless $idx_fields{$field}; |
330 | } |
331 | |
332 | %idx_fields = map { $_ => 1 } @{$index->{fields}}; |
333 | for my $field ( $cand_index->fields) { |
334 | next CAND_INDEX unless $idx_fields{$field}; |
335 | } |
336 | |
337 | return $cand_index; |
338 | } |
339 | |
340 | return undef; # No matching idx |
341 | } |
342 | |
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343 | # Test parameters in a FOREIGN KEY constraint other than columns |
344 | sub test_fk { |
345 | my ($expected, $got) = @_; |
346 | my $desc = $expected->{display}; |
347 | is( $got->on_delete, $expected->{on_delete}, |
348 | "on_delete parameter correct for `$desc'" ); |
349 | is( $got->on_update, $expected->{on_update}, |
350 | "on_update parameter correct for `$desc'" ); |
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351 | } |