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