diff options
Diffstat (limited to 'activerecord/test/cases/adapters/postgresql/uuid_test.rb')
| -rw-r--r-- | activerecord/test/cases/adapters/postgresql/uuid_test.rb | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb new file mode 100644 index 0000000000..fac21996ed --- /dev/null +++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb @@ -0,0 +1,294 @@ +# encoding: utf-8 +require "cases/helper" +require 'support/schema_dumping_helper' + +module PostgresqlUUIDHelper + def connection + @connection ||= ActiveRecord::Base.connection + end + + def drop_table(name) + connection.execute "drop table if exists #{name}" + end +end + +class PostgresqlUUIDTest < ActiveRecord::TestCase + include PostgresqlUUIDHelper + include SchemaDumpingHelper + + class UUIDType < ActiveRecord::Base + self.table_name = "uuid_data_type" + end + + setup do + connection.create_table "uuid_data_type" do |t| + t.uuid 'guid' + end + end + + teardown do + drop_table "uuid_data_type" + end + + def test_change_column_default + @connection.add_column :uuid_data_type, :thingy, :uuid, null: false, default: "uuid_generate_v1()" + UUIDType.reset_column_information + column = UUIDType.columns_hash['thingy'] + assert_equal "uuid_generate_v1()", column.default_function + + @connection.change_column :uuid_data_type, :thingy, :uuid, null: false, default: "uuid_generate_v4()" + + UUIDType.reset_column_information + column = UUIDType.columns_hash['thingy'] + assert_equal "uuid_generate_v4()", column.default_function + ensure + UUIDType.reset_column_information + end + + def test_data_type_of_uuid_types + column = UUIDType.columns_hash["guid"] + assert_equal :uuid, column.type + assert_equal "uuid", column.sql_type + assert_not column.number? + assert_not column.binary? + assert_not column.array + end + + def test_treat_blank_uuid_as_nil + UUIDType.create! guid: '' + assert_equal(nil, UUIDType.last.guid) + end + + def test_treat_invalid_uuid_as_nil + uuid = UUIDType.create! guid: 'foobar' + assert_equal(nil, uuid.guid) + end + + def test_invalid_uuid_dont_modify_before_type_cast + uuid = UUIDType.new guid: 'foobar' + assert_equal 'foobar', uuid.guid_before_type_cast + end + + def test_rfc_4122_regex + # Valid uuids + ['A0EEBC99-9C0B-4EF8-BB6D-6BB9BD380A11', + '{a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11}', + 'a0eebc999c0b4ef8bb6d6bb9bd380a11', + 'a0ee-bc99-9c0b-4ef8-bb6d-6bb9-bd38-0a11', + '{a0eebc99-9c0b4ef8-bb6d6bb9-bd380a11}'].each do |valid_uuid| + uuid = UUIDType.new guid: valid_uuid + assert_not_nil uuid.guid + end + + # Invalid uuids + [['A0EEBC99-9C0B-4EF8-BB6D-6BB9BD380A11'], + Hash.new, + 0, + 0.0, + true, + 'Z0000C99-9C0B-4EF8-BB6D-6BB9BD380A11', + '{a0eebc99-9c0b-4ef8-fb6d-6bb9bd380a11}', + 'a0eebc999r0b4ef8ab6d6bb9bd380a11', + 'a0ee-bc99------4ef8-bb6d-6bb9-bd38-0a11', + '{a0eebc99-bb6d6bb9-bd380a11}'].each do |invalid_uuid| + uuid = UUIDType.new guid: invalid_uuid + assert_nil uuid.guid + end + end + + def test_uuid_formats + ["A0EEBC99-9C0B-4EF8-BB6D-6BB9BD380A11", + "{a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11}", + "a0eebc999c0b4ef8bb6d6bb9bd380a11", + "a0ee-bc99-9c0b-4ef8-bb6d-6bb9-bd38-0a11", + "{a0eebc99-9c0b4ef8-bb6d6bb9-bd380a11}"].each do |valid_uuid| + UUIDType.create(guid: valid_uuid) + uuid = UUIDType.last + assert_equal "a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11", uuid.guid + end + end + + def test_schema_dump_with_shorthand + output = dump_table_schema "uuid_data_type" + assert_match %r{t.uuid "guid"}, output + end +end + +class PostgresqlLargeKeysTest < ActiveRecord::TestCase + include PostgresqlUUIDHelper + include SchemaDumpingHelper + + def setup + connection.create_table('big_serials', id: :bigserial) do |t| + t.string 'name' + end + end + + def test_omg + schema = dump_table_schema "big_serials" + assert_match "create_table \"big_serials\", id: :bigserial, force: true", schema + end + + def teardown + drop_table "big_serials" + end +end + +class PostgresqlUUIDGenerationTest < ActiveRecord::TestCase + include PostgresqlUUIDHelper + include SchemaDumpingHelper + + class UUID < ActiveRecord::Base + self.table_name = 'pg_uuids' + end + + setup do + enable_extension!('uuid-ossp', connection) + + connection.create_table('pg_uuids', id: :uuid, default: 'uuid_generate_v1()') do |t| + t.string 'name' + t.uuid 'other_uuid', default: 'uuid_generate_v4()' + end + + # Create custom PostgreSQL function to generate UUIDs + # to test dumping tables which columns have defaults with custom functions + connection.execute <<-SQL + CREATE OR REPLACE FUNCTION my_uuid_generator() RETURNS uuid + AS $$ SELECT * FROM uuid_generate_v4() $$ + LANGUAGE SQL VOLATILE; + SQL + + # Create such a table with custom function as default value generator + connection.create_table('pg_uuids_2', id: :uuid, default: 'my_uuid_generator()') do |t| + t.string 'name' + t.uuid 'other_uuid_2', default: 'my_uuid_generator()' + end + end + + teardown do + drop_table "pg_uuids" + drop_table 'pg_uuids_2' + connection.execute 'DROP FUNCTION IF EXISTS my_uuid_generator();' + disable_extension!('uuid-ossp', connection) + end + + if ActiveRecord::Base.connection.supports_extensions? + def test_id_is_uuid + assert_equal :uuid, UUID.columns_hash['id'].type + assert UUID.primary_key + end + + def test_id_has_a_default + u = UUID.create + assert_not_nil u.id + end + + def test_auto_create_uuid + u = UUID.create + u.reload + assert_not_nil u.other_uuid + end + + def test_pk_and_sequence_for_uuid_primary_key + pk, seq = connection.pk_and_sequence_for('pg_uuids') + assert_equal 'id', pk + assert_equal nil, seq + end + + def test_schema_dumper_for_uuid_primary_key + schema = dump_table_schema "pg_uuids" + assert_match(/\bcreate_table "pg_uuids", id: :uuid, default: "uuid_generate_v1\(\)"/, schema) + assert_match(/t\.uuid "other_uuid", default: "uuid_generate_v4\(\)"/, schema) + end + + def test_schema_dumper_for_uuid_primary_key_with_custom_default + schema = dump_table_schema "pg_uuids_2" + assert_match(/\bcreate_table "pg_uuids_2", id: :uuid, default: "my_uuid_generator\(\)"/, schema) + assert_match(/t\.uuid "other_uuid_2", default: "my_uuid_generator\(\)"/, schema) + end + end +end + +class PostgresqlUUIDTestNilDefault < ActiveRecord::TestCase + include PostgresqlUUIDHelper + + setup do + enable_extension!('uuid-ossp', connection) + + connection.create_table('pg_uuids', id: false) do |t| + t.primary_key :id, :uuid, default: nil + t.string 'name' + end + end + + teardown do + drop_table "pg_uuids" + disable_extension!('uuid-ossp', connection) + end + + if ActiveRecord::Base.connection.supports_extensions? + def test_id_allows_default_override_via_nil + col_desc = connection.execute("SELECT pg_get_expr(d.adbin, d.adrelid) as default + FROM pg_attribute a + LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum + WHERE a.attname='id' AND a.attrelid = 'pg_uuids'::regclass").first + assert_nil col_desc["default"] + end + end +end + +class PostgresqlUUIDTestInverseOf < ActiveRecord::TestCase + include PostgresqlUUIDHelper + + class UuidPost < ActiveRecord::Base + self.table_name = 'pg_uuid_posts' + has_many :uuid_comments, inverse_of: :uuid_post + end + + class UuidComment < ActiveRecord::Base + self.table_name = 'pg_uuid_comments' + belongs_to :uuid_post + end + + setup do + enable_extension!('uuid-ossp', connection) + + connection.transaction do + connection.create_table('pg_uuid_posts', id: :uuid) do |t| + t.string 'title' + end + connection.create_table('pg_uuid_comments', id: :uuid) do |t| + t.references :uuid_post, type: :uuid + t.string 'content' + end + end + end + + teardown do + drop_table "pg_uuid_comments" + drop_table "pg_uuid_posts" + disable_extension!('uuid-ossp', connection) + end + + if ActiveRecord::Base.connection.supports_extensions? + def test_collection_association_with_uuid + post = UuidPost.create! + comment = post.uuid_comments.create! + assert post.uuid_comments.find(comment.id) + end + + def test_find_with_uuid + UuidPost.create! + assert_raise ActiveRecord::RecordNotFound do + UuidPost.find(123456) + end + + end + + def test_find_by_with_uuid + UuidPost.create! + assert_nil UuidPost.find_by(id: 789) + end + end + +end |