8 eval "use SQL::Translator";
9 plan skip_all => 'SQL::Translator required' if $@;
11 my $schema = DBICTest->init_schema;
15 my $translator = SQL::Translator->new(
17 'DBIx::Schema' => $schema,
22 $translator->parser('SQL::Translator::Parser::DBIx::Class');
23 $translator->producer('SQLite');
25 my $output = $translator->translate();
28 ok($output, "SQLT produced someoutput")
29 or diag($translator->error);
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
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
37 my %fk_constraints = (
42 'display' => 'twokeys->cd',
43 'selftable' => 'twokeys', 'foreigntable' => 'cd',
44 'selfcols' => ['cd'], 'foreigncols' => ['cdid'],
45 on_delete => '', on_update => '', deferrable => 0,
48 'display' => 'twokeys->artist',
49 'selftable' => 'twokeys', 'foreigntable' => 'artist',
50 'selfcols' => ['artist'], 'foreigncols' => ['artistid'],
51 on_delete => 'CASCADE', on_update => 'CASCADE', deferrable => 0,
56 fourkeys_to_twokeys => [
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', deferrable => 0,
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', deferrable => 0,
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', deferrable => 0,
81 'display' => 'cd_to_producer->producer',
82 'selftable' => 'cd_to_producer', 'foreigntable' => 'producer',
83 'selfcols' => ['producer'], 'foreigncols' => ['producerid'],
84 on_delete => '', on_update => '', deferrable => 0,
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', deferrable => 0,
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 => '', deferrable => 0,
107 'display' => 'cd->artist',
108 'selftable' => 'cd', 'foreigntable' => 'artist',
109 'selfcols' => ['artist'], 'foreigncols' => ['artistid'],
110 on_delete => 'CASCADE', on_update => 'CASCADE', deferrable => 1,
114 # Artist_undirected_map
115 artist_undirected_map => [
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 => '', deferrable => 0,
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 => '', deferrable => 0,
133 'display' => 'track->cd',
134 'selftable' => 'track', 'foreigntable' => 'cd',
135 'selfcols' => ['cd'], 'foreigncols' => ['cdid'],
136 on_delete => 'CASCADE', on_update => 'CASCADE', deferrable => 0,
143 'display' => 'treelike->treelike for parent',
144 'selftable' => 'treelike', 'foreigntable' => 'treelike',
145 'selfcols' => ['parent'], 'foreigncols' => ['id'],
146 on_delete => 'CASCADE', on_update => 'CASCADE', deferrable => 0,
153 'display' => 'twokeytreelike->twokeytreelike for parent1,parent2',
154 'selftable' => 'twokeytreelike', 'foreigntable' => 'twokeytreelike',
155 'selfcols' => ['parent1', 'parent2'], 'foreigncols' => ['id1','id2'],
156 on_delete => '', on_update => '', deferrable => 0,
163 'display' => 'tags->cd',
164 'selftable' => 'tags', 'foreigntable' => 'cd',
165 'selfcols' => ['cd'], 'foreigncols' => ['cdid'],
166 on_delete => 'CASCADE', on_update => 'CASCADE', deferrable => 0,
173 'display' => 'bookmark->link',
174 'selftable' => 'bookmark', 'foreigntable' => 'link',
175 'selfcols' => ['link'], 'foreigncols' => ['id'],
176 on_delete => '', on_update => '', deferrable => 0,
182 'display' => 'forceforeign->artist',
183 'selftable' => 'forceforeign', 'foreigntable' => 'artist',
184 'selfcols' => ['artist'], 'foreigncols' => ['artist_id'],
185 on_delete => '', on_update => '', deferrable => 0,
191 my %unique_constraints = (
195 'display' => 'cd artist and title unique',
196 'table' => 'cd', 'cols' => ['artist', 'title'],
203 'display' => 'producer name unique',
204 'table' => 'producer', 'cols' => ['name'],
211 'display' => 'twokeytreelike name unique',
212 'table' => 'twokeytreelike', 'cols' => ['name'],
217 # Constraint is commented out in DBICTest/Schema/Employee.pm
220 # 'display' => 'employee position and group_id unique',
221 # 'table' => 'employee', cols => ['position', 'group_id'],
234 my $tschema = $translator->schema();
235 # Test that the $schema->sqlt_deploy_hook was called okay and that it removed
237 ok( !defined($tschema->get_table('link')), "Link table was removed by hook");
239 # Test that nonexistent constraints are not found
240 my $constraint = get_constraint('FOREIGN KEY', 'cd', ['title'], 'cd', ['year']);
241 ok( !defined($constraint), 'nonexistent FOREIGN KEY constraint not found' );
242 $constraint = get_constraint('UNIQUE', 'cd', ['artist']);
243 ok( !defined($constraint), 'nonexistent UNIQUE constraint not found' );
244 $constraint = get_constraint('FOREIGN KEY', 'forceforeign', ['cd'], 'cd', ['cdid']);
245 ok( !defined($constraint), 'forced nonexistent FOREIGN KEY constraint not found' );
247 for my $expected_constraints (keys %fk_constraints) {
248 for my $expected_constraint (@{ $fk_constraints{$expected_constraints} }) {
249 my $desc = $expected_constraint->{display};
250 my $constraint = get_constraint(
252 $expected_constraint->{selftable}, $expected_constraint->{selfcols},
253 $expected_constraint->{foreigntable}, $expected_constraint->{foreigncols},
255 ok( defined($constraint), "FOREIGN KEY constraint matching `$desc' found" );
256 test_fk($expected_constraint, $constraint);
260 for my $expected_constraints (keys %unique_constraints) {
261 for my $expected_constraint (@{ $unique_constraints{$expected_constraints} }) {
262 my $desc = $expected_constraint->{display};
263 my $constraint = get_constraint(
264 'UNIQUE', $expected_constraint->{table}, $expected_constraint->{cols},
266 ok( defined($constraint), "UNIQUE constraint matching `$desc' found" );
270 for my $table_index (keys %indexes) {
271 for my $expected_index ( @{ $indexes{$table_index} } ) {
273 ok ( get_index($table_index, $expected_index), "Got a matching index on $table_index table");
277 # Returns the Constraint object for the specified constraint type, table and
278 # columns from the SQL::Translator schema, or undef if no matching constraint
281 # NB: $type is either 'FOREIGN KEY' or 'UNIQUE'. In UNIQUE constraints the last
282 # two parameters are not used.
284 my ($type, $table_name, $cols, $f_table, $f_cols) = @_;
285 $f_table ||= ''; # For UNIQUE constraints, reference_table is ''
288 my $table = $tschema->get_table($table_name);
290 my %fields = map { $_ => 1 } @$cols;
291 my %f_fields = map { $_ => 1 } @$f_cols;
294 for my $constraint ( $table->get_constraints ) {
295 next unless $constraint->type eq $type;
296 next unless $constraint->reference_table eq $f_table;
298 my %rev_fields = map { $_ => 1 } $constraint->fields;
299 my %rev_f_fields = map { $_ => 1 } $constraint->reference_fields;
301 # Check that the given fields are a subset of the constraint's fields
302 for my $field ($constraint->fields) {
303 next CONSTRAINT unless $fields{$field};
305 if ($type eq 'FOREIGN KEY') {
306 for my $f_field ($constraint->reference_fields) {
307 next CONSTRAINT unless $f_fields{$f_field};
311 # Check that the constraint's fields are a subset of the given fields
312 for my $field (@$cols) {
313 next CONSTRAINT unless $rev_fields{$field};
315 if ($type eq 'FOREIGN KEY') {
316 for my $f_field (@$f_cols) {
317 next CONSTRAINT unless $rev_f_fields{$f_field};
321 return $constraint; # everything passes, found the constraint
323 return undef; # didn't find a matching constraint
327 my ($table_name, $index) = @_;
329 my $table = $tschema->get_table($table_name);
332 for my $cand_index ( $table->get_indices ) {
334 next CAND_INDEX if $index->{name} && $cand_index->name ne $index->{name}
335 || $index->{type} && $cand_index->type ne $index->{type};
337 my %idx_fields = map { $_ => 1 } $cand_index->fields;
339 for my $field ( @{ $index->{fields} } ) {
340 next CAND_INDEX unless $idx_fields{$field};
343 %idx_fields = map { $_ => 1 } @{$index->{fields}};
344 for my $field ( $cand_index->fields) {
345 next CAND_INDEX unless $idx_fields{$field};
351 return undef; # No matching idx
354 # Test parameters in a FOREIGN KEY constraint other than columns
356 my ($expected, $got) = @_;
357 my $desc = $expected->{display};
358 is( $got->on_delete, $expected->{on_delete},
359 "on_delete parameter correct for `$desc'" );
360 is( $got->on_update, $expected->{on_update},
361 "on_update parameter correct for `$desc'" );
362 is( $got->deferrable, $expected->{deferrable},
363 "is_deferrable parameter correct for `$desc'" );