From: Justin Hunter <justin.d.hunter@gmail.com>
Date: Fri, 25 Sep 2009 00:05:51 +0000 (-0700)
Subject: schema test changes
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=f0e701d37420d5f4c63563e2ab0d9bce43c47aee;hp=7e6d96f83365239baaf254385a177e39a4f2c6e3;p=dbsrgits%2FSQL-Translator-2.0-ish.git

schema test changes
---

diff --git a/t/13schema.t b/t/13schema.t
new file mode 100644
index 0000000..fbbf7a2
--- /dev/null
+++ b/t/13schema.t
@@ -0,0 +1,726 @@
+$| = 1;
+use warnings;
+use strict;
+use Test::More tests => 238;
+use Test::Exception;
+use SQL::Translator::Constants qw(:sqlt_types :sqlt_constants);
+
+require_ok( 'SQL::Translator' );
+require_ok( 'SQL::Translator::Object::Schema' );
+require_ok( 'SQL::Translator::Object::Table' );
+require_ok( 'SQL::Translator::Object::Column' );
+
+{
+    #
+    # Schema
+    #
+    my $schema = SQL::Translator::Object::Schema->new( 
+        name => 'foo',
+        database => 'MySQL',
+    );
+    isa_ok( $schema, 'SQL::Translator::Object::Schema' );
+
+    is( $schema->name, 'foo', 'Schema name is "foo"' );
+    is( $schema->name('bar'), 'bar', 'Schema name changed to "bar"' );
+
+    is( $schema->database, 'MySQL', 'Schema database is "MySQL"' );
+    is( $schema->database('PostgreSQL'), 'PostgreSQL', 
+        'Schema database changed to "PostgreSQL"' );
+
+    is( $schema->is_valid, undef, 'Schema not valid...' );
+#    like( $schema->error, qr/no tables/i, '...because there are no tables' );
+
+    #
+    # $schema->add_*
+    #
+    my $foo_table = SQL::Translator::Object::Table->new({ name => 'foo', schema => $schema });
+    $schema->add_table($foo_table) or warn $schema->error;
+    isa_ok( $foo_table, 'SQL::Translator::Object::Table', 'Table "foo"' );
+
+    my $bar_table = SQL::Translator::Object::Table->new({ name => 'bar', schema => $schema }) or 
+        warn SQL::Translator::Object::Table->error;
+    $schema->add_table( $bar_table );
+    isa_ok( $bar_table, 'SQL::Translator::Object::Table', 'Table "bar"' );
+    is( $bar_table->name, 'bar', 'Add table "bar"' );
+
+    $schema = $bar_table->schema( $schema );
+    isa_ok( $schema, 'SQL::Translator::Object::Schema', 'Schema' );
+
+    dies_ok(sub { $bar_table->name('foo') }, '...because "foo" exists');
+
+#    is( $bar_table->name('foo'), undef, 
+#        q[Can't change name of table "bar" to "foo"...]);
+#    like( $bar_table->error, qr/can't use table name/i, 
+#        q[...because "foo" exists] );
+
+    my $redundant_table = new SQL::Translator::Object::Table({ name => 'foo', schema => $schema });
+    dies_ok(sub { $schema->add_table($redundant_table) }, '...because "foo" exists"');
+    #is( $redundant_table, undef, qq[Can't create another "foo" table...] );
+    #like( $schema->error, qr/can't use table name/i, 
+    #    '... because "foo" exists' );
+
+    $redundant_table = new SQL::Translator::Object::Table({ name => '', schema => $schema });
+#    is( $redundant_table, undef, qq[Can't add an anonymous table...] );
+#    like( $schema->error, qr/No table name/i,
+#        '... because it has no name ' );
+    dies_ok(sub { $schema->add_table($redundant_table) }, '...because it has no name'); 
+
+    $redundant_table = SQL::Translator::Object::Table->new({ name => '', schema => $schema });
+    #is( $redundant_table, undef, qq[Can't create an anonymous table] );
+    #like( SQL::Translator::Object::Table->error, qr/No table name/i,
+    #    '... because it has no name ' );
+    dies_ok(sub { $schema->add_table($redundant_table) }, '...because it has no name');
+
+    #
+    # $schema-> drop_table
+    #
+    my $dropped_table = $schema->drop_table($foo_table->name, cascade => 1);
+    isa_ok($dropped_table, 'SQL::Translator::Object::Table', 'Dropped table "foo"' );
+    $schema->add_table($foo_table);
+    my $dropped_table2 = $schema->drop_table($foo_table, cascade => 1);
+    isa_ok($dropped_table2, 'SQL::Translator::Object::Table', 'Dropped table "foo" by object' );
+    dies_ok(sub { my $dropped_table3 = $schema->drop_table($foo_table->name, cascade => 1) }, qq[Can't drop non-existant table "foo"]);
+#    my $dropped_table3 = $schema->drop_table($foo_table->name, cascade => 1);
+#    like( $schema->error, qr/doesn't exist/, qq[Can't drop non-existant table "foo"] );
+
+    $schema->add_table($foo_table);
+    #
+    # Table default new
+    #
+    is( $foo_table->name, 'foo', 'Table name is "foo"' );
+    is( "$foo_table", 'foo', 'Table stringifies to "foo"' );
+    is( $foo_table->is_valid, undef, 'Table "foo" is not yet valid' );
+
+    my $fields = $foo_table->get_fields;
+    is( scalar @{ $fields || [] }, 0, 'Table "foo" has no fields' );
+    #like( $foo_table->error, qr/no fields/i, 'Error for no fields' );
+
+    is( $foo_table->comments, '', 'No comments' );
+
+    #
+    # New table with args
+    #
+    my $person_table = SQL::Translator::Object::Table->new({ 
+        name     => 'person', 
+        schema   => $schema,
+    });
+    $person_table->comments('foo');
+    $schema->add_table($person_table);
+    is( $person_table->name, 'person', 'Table name is "person"' );
+    is( $person_table->is_valid, undef, 'Table is not yet valid' );
+    is( $person_table->comments, 'foo', 'Comments = "foo"' );
+    is( join(',', $person_table->comments('bar')), 'foo,bar', 'Table comments = "foo,bar"' );
+    is( $person_table->comments, "foo\nbar", 'Table comments = "foo,bar"' );
+
+    #
+    # Field default new
+    #
+    my $person_table_column = SQL::Translator::Object::Column->new({ name => 'foo', table => $person_table });
+    my $f1 = $person_table->add_column($person_table_column);
+    isa_ok( $f1, 'SQL::Translator::Object::Column', 'Column' );
+    is( $f1->name, 'foo', 'Field name is "foo"' );
+    is( $f1->full_name, 'person.foo', 'Field full_name is "person.foo"' );
+    is( "$f1", 'foo', 'Field stringifies to "foo"' );
+    is( $f1->data_type, '', 'Field data type is blank' );
+    is( $f1->size, 0, 'Field size is "0"' );
+    is( $f1->is_primary_key, '0', 'Field is_primary_key is false' );
+    is( $f1->is_nullable, 1, 'Field can be NULL' );
+    is( $f1->default_value, undef, 'Field default is undefined' );
+    is( $f1->comments, '', 'No comments' );
+    is( $f1->table, 'person', 'Field table is person' );
+    is( $f1->schema->database, 'PostgreSQL', 'Field schema shortcut works' );
+
+    my $f2 = SQL::Translator::Object::Column->new ({ name => 'f2', });
+    $f2->comments('foo');
+    $f2 = $person_table->add_column( $f2 );
+    isa_ok( $f1, 'SQL::Translator::Object::Column', 'f2' );
+    is( $f2->name, 'f2', 'Add field "f2"' );
+    is( $f2->is_nullable(0), 0, 'Field cannot be NULL' );
+#    is( $f2->is_nullable(''), 0, 'Field cannot be NULL' );
+    is( $f2->is_nullable('0'), 0, 'Field cannot be NULL' );
+    is( $f2->default_value(''), '', 'Field default is empty string' );
+    is( $f2->comments, 'foo', 'Field comment = "foo"' );
+    is( join(',', $f2->comments('bar')), 'foo,bar', 'Field comment = "foo,bar"' );
+    is( $f2->comments, "foo\nbar", 'Field comment = "foo,bar"' );
+
+    $person_table = $f2->table( $person_table );
+    isa_ok( $person_table, 'SQL::Translator::Object::Table', 'person_table' );
+
+    #is( $f2->name('foo'), undef, q[Can't set field name of "f2" to "foo"...] );
+    dies_ok(sub { $f2->name('foo') }, q[Can't set field name of "f2" to "foo"...] . '...because name exists');
+    #like( $f2->error, qr/can't use field name/i, '...because name exists' );
+
+#    my $redundant_field = $person_table->add_field(name => 'f2');
+#    is( $redundant_field, undef, qq[Didn't create another "f2" field...] );
+#    like( $person_table->error, qr/can't use field/i, 
+#        '... because it exists' );
+    dies_ok(sub { my $redundant_field = $person_table->add_column({ name => 'f2' }); }, qq[Didn't create another "f2" field...] . '... because it exists' );
+
+#    my $redundant_field = $person_table->add_column({ name => '' });
+#    is( $redundant_field, undef, qq[Didn't add a "" field...] );
+#    like( $person_table->error, qr/No field name/i,
+#        '... because it has no name' );
+    dies_ok(sub { my $redundant_field = $person_table->add_column({ name => '' }) }, qq[Didn't add a "" field...] . '... because it has no name' );
+
+#    my $redundant_field = SQL::Translator::Object::Column->new(name => '');
+#    is( $redundant_field, undef, qq[Didn't create a "" field...] );
+#    like( SQL::Translator::Object::Column->error, qr/No field name/i,
+#        '... because it has no name' );
+     dies_ok(sub { my $redundant_field = SQL::Translator::Object::Column->new({ name => '' }) }, qq[Didn't create a "" field...] . '... because it has no name' );
+
+    my @fields = $person_table->get_fields;
+    is( scalar @fields, 2, 'Table "foo" has 2 fields' );
+
+    is( $fields[0]->name, 'foo', 'First field is "foo"' );
+    is( $fields[1]->name, 'f2', 'Second field is "f2"' );
+    is( join(",",$person_table->fields), 'foo,f2', 'field_names is "foo,f2"' );
+
+    #
+    # $table-> drop_column
+    #
+    my $dropped_field = $person_table->drop_column($f2->name, cascade => 1);
+    isa_ok($dropped_field, 'SQL::Translator::Object::Column', 'Dropped field "f2"' );
+    $person_table->add_column($f2);
+    my $dropped_field2 = $person_table->drop_column($f2, cascade => 1);
+    isa_ok($dropped_field2, 'SQL::Translator::Object::Column', 'Dropped field "f2" by object' );
+#    my $dropped_field3 = $person_table->drop_column($f2->name, cascade => 1);
+#    like( $person_table->error, qr/doesn't exist/, qq[Can't drop non-existant field "f2"] );
+    dies_ok(sub { $person_table->drop_column($f2->name, cascade => 1); }, qq[Can't drop non-existant field "f2"]);
+
+    $person_table->add_field($f2);
+
+    #
+    # Field methods
+    #
+    is( $f1->name('person_name'), 'person_name',
+        'Field name is "person_name"' );
+    is( $f1->data_type('varchar'), 'varchar', 'Field data type is "varchar"' );
+    is( $f1->size('30'), '30', 'Field size is "30"' );
+    is( $f1->is_primary_key(0), '0', 'Field is_primary_key is negative' );
+
+    $f1->extra({ foo => 'bar' });
+    $f1->extra( { baz => 'quux' } );
+    my %extra = $f1->extra;
+    is( $extra{'foo'}, 'bar', 'Field extra "foo" is "bar"' );
+    is( $extra{'baz'}, 'quux', 'Field extra "baz" is "quux"' );
+
+    #
+    # New field with args
+    #
+    my $age       = $person_table->add_field({
+        name      => 'age',
+        data_type => 'float',
+        size      => '10,2',
+    });
+    is( $age->name, 'age', 'Field name is "age"' );
+    is( $age->data_type, 'float', 'Field data type is "float"' );
+    is( $age->size, '10,2', 'Field size is "10,2"' );
+    is( $age->size(10,2), '10,2', 'Field size still "10,2"' );
+    is( $age->size([10,2]), '10,2', 'Field size still "10,2"' );
+    is( $age->size(qw[ 10 2 ]), '10,2', 'Field size still "10,2"' );
+    is( join(':', $age->size), '10:2', 'Field size returns array' );
+
+    #
+    # Index
+    #
+    my @indices = $person_table->get_indices;
+    is( scalar @indices, 0, 'No indices' );
+    like( $person_table->error, qr/no indices/i, 'Error for no indices' );
+    my $index1 = $person_table->add_index( name => "foo" ) 
+        or warn $person_table->error;
+    isa_ok( $index1, 'SQL::Translator::Object::Schema::Index', 'Index' );
+    is( $index1->name, 'foo', 'Index name is "foo"' );
+
+    is( $index1->is_valid, undef, 'Index name is not valid...' );
+    like( $index1->error, qr/no fields/i, '...because it has no fields' );
+
+    is( join(':', $index1->fields('foo,bar')), 'foo:bar', 
+        'Index accepts fields');
+
+    is( $index1->is_valid, undef, 'Index name is not valid...' );
+    like( $index1->error, qr/does not exist in table/i, 
+        '...because it used fields not in the table' );
+
+    is( join(':', $index1->fields(qw[foo age])), 'foo:age', 
+        'Index accepts fields');
+    is( $index1->is_valid, 1, 'Index name is now valid' );
+
+    is( $index1->type, NORMAL, 'Index type is "normal"' );
+
+    my $index2 = SQL::Translator::Object::Schema::Index->new( name => "bar" ) 
+        or warn SQL::Translator::Object::Schema::Index->error;
+    $index2    = $person_table->add_index( $index2 );
+    isa_ok( $index2, 'SQL::Translator::Object::Schema::Index', 'Index' );
+    is( $index2->name, 'bar', 'Index name is "bar"' );
+
+    my $indices = $person_table->get_indices;
+    is( scalar @$indices, 2, 'Two indices' );
+    is( $indices->[0]->name, 'foo', '"foo" index' );
+    is( $indices->[1]->name, 'bar', '"bar" index' );
+
+    #
+    # $table-> drop_index
+    #
+    my $dropped_index = $person_table->drop_index($index1->name);
+    isa_ok($dropped_index, 'SQL::Translator::Object::Schema::Index', 'Dropped index "foo"' );
+    $person_table->add_index($index1);
+    my $dropped_index2 = $person_table->drop_index($index1);
+    isa_ok($dropped_index2, 'SQL::Translator::Object::Schema::Index', 'Dropped index "foo" by object' );
+    is($dropped_index2->name, $index1->name, 'Dropped correct index "foo"');
+    my $dropped_index3 = $person_table->drop_index($index1->name);
+    like( $person_table->error, qr/doesn't exist/, qq[Can't drop non-existant index "foo"] );
+
+    $person_table->add_index($index1);
+
+    #
+    # Constraint
+    #
+    my @constraints = $person_table->get_constraints;
+    is( scalar @constraints, 0, 'No constraints' );
+    like( $person_table->error, qr/no constraints/i, 
+        'Error for no constraints' );
+    my $constraint1 = $person_table->add_constraint( name => 'foo' ) 
+        or warn $person_table->error;
+    isa_ok( $constraint1, 'SQL::Translator::Object::Schema::Constraint', 'Constraint' );
+    is( $constraint1->name, 'foo', 'Constraint name is "foo"' );
+
+    $fields = join(',', $constraint1->fields('age') );
+    is( $fields, 'age', 'Constraint field = "age"' );
+
+    $fields = $constraint1->fields;
+    ok( ref $fields[0] && $fields[0]->isa("SQL::Translator::Object::Column"),
+        'Constraint fields returns a SQL::Translator::Object::Column' );
+
+    $fields = join(',', $constraint1->fields('age,age') );
+    is( $fields, 'age', 'Constraint field = "age"' );
+
+    $fields = join(',', $constraint1->fields('age', 'name') );
+    is( $fields, 'age,name', 'Constraint field = "age,name"' );
+
+    $fields = join(',', $constraint1->fields( 'age,name,age' ) );
+    is( $fields, 'age,name', 'Constraint field = "age,name"' );
+
+    $fields = join(',', $constraint1->fields( 'age, name' ) );
+    is( $fields, 'age,name', 'Constraint field = "age,name"' );
+
+    $fields = join(',', $constraint1->fields( [ 'age', 'name' ] ) );
+    is( $fields, 'age,name', 'Constraint field = "age,name"' );
+
+    $fields = join(',', $constraint1->fields( qw[ age name ] ) );
+    is( $fields, 'age,name', 'Constraint field = "age,name"' );
+
+    $fields = join(',', $constraint1->field_names );
+    is( $fields, 'age,name', 'Constraint field_names = "age,name"' );
+
+    is( $constraint1->match_type, '', 'Constraint match type is empty' );
+    is( $constraint1->match_type('foo'), undef, 
+        'Constraint match type rejects bad arg...' );
+    like( $constraint1->error, qr/invalid match type/i,
+        '...because it is invalid');
+    is( $constraint1->match_type('FULL'), 'full', 
+        'Constraint match type = "full"' );
+
+    my $constraint2 = SQL::Translator::Object::Schema::Constraint->new( name => 'bar' );
+    $constraint2    = $person_table->add_constraint( $constraint2 );
+    isa_ok( $constraint2, 'SQL::Translator::Object::Schema::Constraint', 'Constraint' );
+    is( $constraint2->name, 'bar', 'Constraint name is "bar"' );
+
+    my $constraint3 = $person_table->add_constraint(
+        type       => 'check',
+        expression => 'foo bar',
+    ) or die $person_table->error;
+    isa_ok( $constraint3, 'SQL::Translator::Object::Schema::Constraint', 'Constraint' );
+    is( $constraint3->type, CHECK_C, 'Constraint type is "CHECK"' );
+    is( $constraint3->expression, 'foo bar', 
+        'Constraint expression is "foo bar"' );
+
+    my $constraints = $person_table->get_constraints;
+    is( scalar @$constraints, 3, 'Three constraints' );
+    is( $constraints->[0]->name, 'foo', '"foo" constraint' );
+    is( $constraints->[1]->name, 'bar', '"bar" constraint' );
+
+    #
+    # $table-> drop_constraint
+    #
+    my $dropped_con = $person_table->drop_constraint($constraint1->name);
+    isa_ok($dropped_con, 'SQL::Translator::Object::Schema::Constraint', 'Dropped constraint "foo"' );
+    $person_table->add_constraint($constraint1);
+    my $dropped_con2 = $person_table->drop_constraint($constraint1);
+    isa_ok($dropped_con2, 'SQL::Translator::Object::Schema::Constraint', 'Dropped constraint "foo" by object' );
+    is($dropped_con2->name, $constraint1->name, 'Dropped correct constraint "foo"');
+    my $dropped_con3 = $person_table->drop_constraint($constraint1->name);
+    like( $person_table->error, qr/doesn't exist/, qq[Can't drop non-existant constraint "foo"] );
+
+    $person_table->add_constraint($constraint1);
+
+    #
+    # View
+    #
+    my $view = $schema->add_view( name => 'view1' ) or warn $schema->error;
+    isa_ok( $view, 'SQL::Translator::Object::Schema::View', 'View' );
+    my $view_sql = 'select * from table';
+    is( $view->sql( $view_sql ), $view_sql, 'View SQL is good' );
+
+    my $view2 = SQL::Translator::Object::Schema::View->new(name => 'view2') or
+        warn SQL::Translator::Object::Schema::View->error;
+    my $check_view = $schema->add_view( $view2 );
+    is( $check_view->name, 'view2', 'Add view "view2"' );
+
+    my $redundant_view = $schema->add_view(name => 'view2');
+    is( $redundant_view, undef, qq[Didn't create another "view2" view...] );
+    like( $schema->error, qr/can't create view/i, '... because it exists' );
+
+    #
+    # $schema-> drop_view
+    #
+    my $dropped_view = $schema->drop_view($view->name);
+    isa_ok($dropped_view, 'SQL::Translator::Object::Schema::View', 'Dropped view "view1"' );
+    $schema->add_view($view);
+    my $dropped_view2 = $schema->drop_view($view);
+    isa_ok($dropped_view2, 'SQL::Translator::Object::Schema::View', 'Dropped view "view1" by object' );
+    is($dropped_view2->name, $view->name, 'Dropped correct view "view1"');
+    my $dropped_view3 = $schema->drop_view($view->name);
+    like( $schema->error, qr/doesn't exist/, qq[Can't drop non-existant view "view1"] );
+
+    $schema->add_view($view);
+
+    #
+    # $schema->get_*
+    #
+    my $bad_table = $schema->get_table;
+    like( $schema->error, qr/no table/i, 'Error on no arg to get_table' );
+
+    $bad_table = $schema->get_table('baz');
+    like( $schema->error, qr/does not exist/i, 
+        'Error on bad arg to get_table' );
+
+    my $bad_view = $schema->get_view;
+    like( $schema->error, qr/no view/i, 'Error on no arg to get_view' );
+
+    $bad_view = $schema->get_view('bar');
+    like( $schema->error, qr/does not exist/i, 
+        'Error on bad arg to get_view' );
+
+    my $good_table = $schema->get_table('foo');
+    isa_ok( $good_table, 'SQL::Translator::Object::Table', 'Table "foo"' );
+
+    my $good_view = $schema->get_view('view1');
+    isa_ok( $good_view, 'SQL::Translator::Object::Schema::View', 'View "view1"' );
+    is( $view->sql( $view_sql ), $view_sql, 'View SQL is good' );
+
+    #
+    # $schema->get_*s
+    #
+    my @tables = $schema->get_tables;
+    is( scalar @tables, 3, 'Found 2 tables' );
+
+    my @views = $schema->get_views;
+    is( scalar @views, 2, 'Found 1 view' );
+
+}
+
+#
+# Test ability to introspect some values
+#
+{ 
+    my $s        =  SQL::Translator::Object::Schema->new( 
+        name     => 'foo',
+        database => 'PostgreSQL',
+    );
+    my $t = $s->add_table( name => 'person' ) or warn $s->error;
+    my $f = $t->add_field( name => 'person_id' ) or warn $t->error;
+    $f->data_type('serial');
+
+    my $c          = $t->add_constraint(
+        type       => PRIMARY_KEY,
+        fields     => 'person_id',
+    ) or warn $t->error;
+
+    is( $f->is_primary_key, 1, 'Field is PK' );
+    is( $f->is_auto_increment, 1, 'Field is auto inc' );
+}
+
+#
+# FK constraint validity
+#
+{
+    my $s = SQL::Translator::Object::Schema->new;
+    my $t = $s->add_table( name => 'person' ) or warn $s->error;
+    my $c = $t->add_constraint or warn $t->error;
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/no type/i, '...because it has no type' );
+
+    is( $c->type( FOREIGN_KEY ), FOREIGN_KEY, 'Constraint type now a FK' );
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/no fields/i, '...because it has no fields' );
+
+    is( join('', $c->fields('foo')), 'foo', 'Fields now = "foo"' );
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/non-existent field/i, 
+        q[...because field "foo" doesn't exist] );
+
+    my $fk = $t->add_field( name => 'pet_id' );
+    is( $fk->name, 'pet_id', 'Added field "pet_id"' );
+    is( join('', $c->fields('pet_id')), 'pet_id', 'Fields now = "pet_id"' );
+
+    $t->add_field( name => 'f1' );
+    $t->add_field( name => 'f2' );
+    is( join(',', $c->fields('f1,f2')), 'f1,f2', 'Fields now = "f1,f2"' );
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/only one field/i, 
+        q[...because too many fields for FK] );
+
+    $c->fields('f1');
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/no reference table/i, 
+        q[...because there's no reference table] );
+
+    is( $c->reference_table('foo'), 'foo', 'Reference table now = "foo"' );
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/no table named/i, 
+        q[...because reference table "foo" doesn't exist] );
+
+    my $t2 = $s->add_table( name => 'pet' );
+    is( $t2->name, 'pet', 'Added "pet" table' );
+
+    is( $c->reference_table('pet'), 'pet', 'Reference table now = "pet"' );
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/no reference fields/i,
+        q[...because there're no reference fields]);
+
+    is( join('', $c->reference_fields('pet_id')), 'pet_id', 
+        'Reference fields = "pet_id"' );
+
+    is( $c->is_valid, undef, 'Constraint on "person" not valid...');
+    like( $c->error, qr/non-existent field/i,
+        q[...because there's no "pet_id" field in "pet"]);
+
+    my $pet_id = $t2->add_field( name => 'pet_id' );
+    is( $pet_id->name, 'pet_id', 'Added field "pet_id"' );
+    
+    is( $c->is_valid, 1, 'Constraint now valid' );
+}
+
+#
+# $table->primary_key test
+#
+{
+    my $s = SQL::Translator::Object::Schema->new;
+    my $t = $s->add_table( name => 'person' );
+
+    is( $t->primary_key, undef, 'No primary key' );
+
+    is( $t->primary_key('person_id'), undef, 
+            q[Can't make PK on "person_id"...] );
+    like( $t->error, qr/invalid field/i, "...because it doesn't exist" );
+
+    $t->add_field( name => 'person_id' );
+    my $c = $t->primary_key('person_id');
+
+    isa_ok( $c, 'SQL::Translator::Object::Schema::Constraint', 'Constraint' );
+
+    is( join('', $c->fields), 'person_id', 'Constraint now on "person_id"' );
+
+    $t->add_field( name => 'name' );
+    $c = $t->primary_key('name');
+    is( join(',', $c->fields), 'person_id,name', 
+        'Constraint now on "person_id" and "name"' );
+
+    is( scalar @{ $t->get_constraints }, 1, 'Found 1 constraint' );
+}
+
+#
+# FK finds PK
+#
+{
+    my $s  = SQL::Translator::Object::Schema->new;
+    my $t1 = $s->add_table( name => 'person' );
+    my $t2 = $s->add_table( name => 'pet' );
+    $t1->add_field( name => 'id' );
+    my $c1 = $t1->primary_key( 'id' ) or warn $t1->error;
+    is( $c1->type, PRIMARY_KEY, 'Made "person_id" PK on "person"' );
+
+    $t2->add_field( name => 'person_id' );
+    my $c2 = $t2->add_constraint(
+        type            => PRIMARY_KEY,
+        fields          => 'person_id',
+        reference_table => 'person',
+    );
+
+    is( join('', $c2->reference_fields), 'id', 'FK found PK "person.id"' );
+}
+
+#
+# View
+#
+{
+    my $s      = SQL::Translator::Object::Schema->new( name => 'ViewTest' );
+    my $name   = 'foo_view';
+    my $sql    = 'select name, age from person';
+    my $fields = 'name, age';
+    my $v      = $s->add_view(
+        name   => $name,
+        sql    => $sql,
+        fields => $fields,
+        schema => $s,
+    );
+
+    isa_ok( $v, 'SQL::Translator::Object::Schema::View', 'View' );
+    isa_ok( $v->schema, 'SQL::Translator::Object::Schema', 'Schema' );
+    is( $v->schema->name, 'ViewTest', qq[Schema name is "'ViewTest'"] );
+    is( $v->name, $name, qq[Name is "$name"] );
+    is( $v->sql, $sql, qq[Name is "$sql"] );
+    is( join(':', $v->fields), 'name:age', qq[Fields are "$fields"] );
+
+    my @views = $s->get_views;
+    is( scalar @views, 1, 'Number of views is 1' );
+
+    my $v1 = $s->get_view( $name );
+    isa_ok( $v1, 'SQL::Translator::Object::Schema::View', 'View' );
+    is( $v1->name, $name, qq[Name is "$name"] );
+}
+
+#
+# Trigger
+#
+{
+    my $s                   = SQL::Translator::Object::Schema->new(name => 'TrigTest');
+    $s->add_table(name=>'foo') or die "Couldn't create table: ", $s->error;
+    my $name                = 'foo_trigger';
+    my $perform_action_when = 'after';
+    my $database_events     = 'insert';
+    my $on_table            = 'foo';
+    my $action              = 'update modified=timestamp();';
+    my $t                   = $s->add_trigger(
+        name                => $name,
+        perform_action_when => $perform_action_when,
+        database_events     => $database_events,
+        on_table            => $on_table,
+        action              => $action,
+    ) or die $s->error;
+
+    isa_ok( $t, 'SQL::Translator::Object::Schema::Trigger', 'Trigger' );
+    isa_ok( $t->schema, 'SQL::Translator::Object::Schema', 'Schema' );
+    is( $t->schema->name, 'TrigTest', qq[Schema name is "'TrigTest'"] );
+    is( $t->name, $name, qq[Name is "$name"] );
+    is( $t->perform_action_when, $perform_action_when, 
+        qq[Perform action when is "$perform_action_when"] );
+    is( join(',', $t->database_events), $database_events, 
+        qq[Database event is "$database_events"] );
+    isa_ok( $t->table, 'SQL::Translator::Object::Table', qq[table is a Table"] );
+    is( $t->action, $action, qq[Action is "$action"] );
+
+    my @triggs = $s->get_triggers;
+    is( scalar @triggs, 1, 'Number of triggers is 1' );
+
+    my $t1 = $s->get_trigger( $name );
+    isa_ok( $t1, 'SQL::Translator::Object::Trigger', 'Trigger' );
+    is( $t1->name, $name, qq[Name is "$name"] );
+
+
+
+	my $s2                   = SQL::Translator::Object::Schema->new(name => 'TrigTest2');
+    $s2->add_table(name=>'foo') or die "Couldn't create table: ", $s2->error;
+    my $t2                   = $s2->add_trigger(
+        name                => 'foo_trigger',
+        perform_action_when => 'after',
+        database_events     => [qw/insert update/],
+        on_table            => 'foo',
+        action              => 'update modified=timestamp();',
+    ) or die $s2->error;
+	isa_ok( $t2, 'SQL::Translator::Object::Schema::Trigger', 'Trigger' );
+    isa_ok( $t2->schema, 'SQL::Translator::Object::Schema', 'Schema' );
+    is( $t2->schema->name, 'TrigTest2', qq[Schema name is "'TrigTest2'"] );
+    is( $t2->name, 'foo_trigger', qq[Name is "foo_trigger"] );
+	is_deeply(
+        [$t2->database_events],
+        [qw/insert update/],
+        "Database events are [qw/insert update/] "
+    );
+	isa_ok($t2->database_events,'ARRAY','Database events');
+	
+	#
+	# Trigger equal tests
+	#
+	isnt(
+        $t1->equals($t2),
+        1,
+        'Compare two Triggers with database_event and database_events'
+    );
+
+	$t1->database_events($database_events);
+	$t2->database_events($database_events);
+	is($t1->equals($t2),1,'Compare two Triggers with database_event');
+
+	$t2->database_events('');
+	$t1->database_events([qw/update insert/]);
+	$t2->database_events([qw/insert update/]);
+	is($t1->equals($t2),1,'Compare two Triggers with database_events');
+	
+    #
+    # $schema-> drop_trigger
+    #
+    my $dropped_trig = $s->drop_trigger($t->name);
+    isa_ok($dropped_trig, 'SQL::Translator::Object::Schema::Trigger', 'Dropped trigger "foo_trigger"' );
+    $s->add_trigger($t);
+    my $dropped_trig2 = $s->drop_trigger($t);
+    isa_ok($dropped_trig2, 'SQL::Translator::Object::Schema::Trigger', 'Dropped trigger "foo_trigger" by object' );
+    is($dropped_trig2->name, $t->name, 'Dropped correct trigger "foo_trigger"');
+    my $dropped_trig3 = $s->drop_trigger($t->name);
+    like( $s->error, qr/doesn't exist/, qq[Can't drop non-existant trigger "foo_trigger"] );
+
+    $s->add_trigger($t);
+}
+ 
+#
+# Procedure
+#
+{
+    my $s          = SQL::Translator::Object::Schema->new( name => 'ProcTest' );
+    my $name       = 'foo_proc';
+    my $sql        = 'select foo from bar';
+    my $parameters = 'foo, bar';
+    my $owner      = 'Nomar';
+    my $comments   = 'Go Sox!';
+    my $p          = $s->add_procedure(
+        name       => $name,
+        sql        => $sql,
+        parameters => $parameters,
+        owner      => $owner,
+        comments   => $comments,
+    ) or die $s->error;
+
+    isa_ok( $p, 'SQL::Translator::Object::Schema::Procedure', 'Procedure' );
+    isa_ok( $p->schema, 'SQL::Translator::Object::Schema', 'Schema' );
+    is( $p->schema->name, 'ProcTest', qq[Schema name is "'ProcTest'"] );
+    is( $p->name, $name, qq[Name is "$name"] );
+    is( $p->sql, $sql, qq[SQL is "$sql"] );
+    is( join(',', $p->parameters), 'foo,bar', qq[Params = 'foo,bar'] );
+    is( $p->comments, $comments, qq[Comments = "$comments"] );
+
+    my @procs = $s->get_procedures;
+    is( scalar @procs, 1, 'Number of procedures is 1' );
+
+    my $p1 = $s->get_procedure( $name );
+    isa_ok( $p1, 'SQL::Translator::Object::Schema::Procedure', 'Procedure' );
+    is( $p1->name, $name, qq[Name is "$name"] );
+
+    #
+    # $schema-> drop_procedure
+    #
+    my $dropped_proc = $s->drop_procedure($p->name);
+    isa_ok($dropped_proc, 'SQL::Translator::Object::Schema::Procedure', 'Dropped procedure "foo_proc"' );
+    $s->add_procedure($p);
+    my $dropped_proc2 = $s->drop_procedure($p);
+    isa_ok($dropped_proc2, 'SQL::Translator::Object::Schema::Procedure', 'Dropped procedure "foo_proc" by object' );
+    is($dropped_proc2->name, $p->name, 'Dropped correct procedure "foo_proc"');
+    my $dropped_proc3 = $s->drop_procedure($p->name);
+    like( $s->error, qr/doesn't exist/, qq[Can't drop non-existant procedure "foo_proc"] );
+
+    $s->add_procedure($p);
+}