require "cases/helper" require "support/schema_dumping_helper" module PostgresqlJSONSharedTestCases include SchemaDumpingHelper class JsonDataType < ActiveRecord::Base self.table_name = "json_data_type" store_accessor :settings, :resolution end def setup @connection = ActiveRecord::Base.connection begin @connection.create_table("json_data_type") do |t| t.public_send column_type, "payload", default: {} # t.json 'payload', default: {} t.public_send column_type, "settings" # t.json 'settings' end rescue ActiveRecord::StatementInvalid skip "do not test on PostgreSQL without #{column_type} type." end end def teardown @connection.drop_table :json_data_type, if_exists: true JsonDataType.reset_column_information end def test_column column = JsonDataType.columns_hash["payload"] assert_equal column_type, column.type assert_equal column_type.to_s, column.sql_type assert_not column.array? type = JsonDataType.type_for_attribute("payload") assert_not type.binary? end def test_default @connection.add_column "json_data_type", "permissions", column_type, default: { "users": "read", "posts": ["read", "write"] } JsonDataType.reset_column_information assert_equal({ "users" => "read", "posts" => ["read", "write"] }, JsonDataType.column_defaults["permissions"]) assert_equal({ "users" => "read", "posts" => ["read", "write"] }, JsonDataType.new.permissions) ensure JsonDataType.reset_column_information end def test_change_table_supports_json @connection.transaction do @connection.change_table("json_data_type") do |t| t.public_send column_type, "users", default: "{}" # t.json 'users', default: '{}' end JsonDataType.reset_column_information column = JsonDataType.columns_hash["users"] assert_equal column_type, column.type raise ActiveRecord::Rollback # reset the schema change end ensure JsonDataType.reset_column_information end def test_schema_dumping output = dump_table_schema("json_data_type") assert_match(/t\.#{column_type.to_s}\s+"payload",\s+default: {}/, output) end def test_cast_value_on_write x = JsonDataType.new payload: { "string" => "foo", :symbol => :bar } assert_equal({ "string" => "foo", :symbol => :bar }, x.payload_before_type_cast) assert_equal({ "string" => "foo", "symbol" => "bar" }, x.payload) x.save assert_equal({ "string" => "foo", "symbol" => "bar" }, x.reload.payload) end def test_type_cast_json type = JsonDataType.type_for_attribute("payload") data = "{\"a_key\":\"a_value\"}" hash = type.deserialize(data) assert_equal({ "a_key" => "a_value" }, hash) assert_equal({ "a_key" => "a_value" }, type.deserialize(data)) assert_equal({}, type.deserialize("{}")) assert_equal({ "key" => nil }, type.deserialize('{"key": null}')) assert_equal({ "c" => "}", '"a"' => 'b "a b' }, type.deserialize(%q({"c":"}", "\"a\"":"b \"a b"}))) end def test_rewrite @connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')" x = JsonDataType.first x.payload = { '"a\'' => "b" } assert x.save! end def test_select @connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')" x = JsonDataType.first assert_equal({ "k" => "v" }, x.payload) end def test_select_multikey @connection.execute %q|insert into json_data_type (payload) VALUES ('{"k1":"v1", "k2":"v2", "k3":[1,2,3]}')| x = JsonDataType.first assert_equal({ "k1" => "v1", "k2" => "v2", "k3" => [1, 2, 3] }, x.payload) end def test_null_json @connection.execute "insert into json_data_type (payload) VALUES(null)" x = JsonDataType.first assert_nil(x.payload) end def test_select_nil_json_after_create json = JsonDataType.create(payload: nil) x = JsonDataType.where(payload: nil).first assert_equal(json, x) end def test_select_nil_json_after_update json = JsonDataType.create(payload: "foo") x = JsonDataType.where(payload: nil).first assert_nil(x) json.update_attributes payload: nil x = JsonDataType.where(payload: nil).first assert_equal(json.reload, x) end def test_select_array_json_value @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')| x = JsonDataType.first assert_equal(["v0", { "k1" => "v1" }], x.payload) end def test_rewrite_array_json_value @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')| x = JsonDataType.first x.payload = ["v1", { "k2" => "v2" }, "v3"] assert x.save! end def test_with_store_accessors x = JsonDataType.new(resolution: "320×480") assert_equal "320×480", x.resolution x.save! x = JsonDataType.first assert_equal "320×480", x.resolution x.resolution = "640×1136" x.save! x = JsonDataType.first assert_equal "640×1136", x.resolution end def test_duplication_with_store_accessors x = JsonDataType.new(resolution: "320×480") assert_equal "320×480", x.resolution y = x.dup assert_equal "320×480", y.resolution end def test_yaml_round_trip_with_store_accessors x = JsonDataType.new(resolution: "320×480") assert_equal "320×480", x.resolution y = YAML.load(YAML.dump(x)) assert_equal "320×480", y.resolution end def test_changes_in_place json = JsonDataType.new assert_not json.changed? json.payload = { "one" => "two" } assert json.changed? assert json.payload_changed? json.save! assert_not json.changed? json.payload["three"] = "four" assert json.payload_changed? json.save! json.reload assert_equal({ "one" => "two", "three" => "four" }, json.payload) assert_not json.changed? end def test_assigning_string_literal json = JsonDataType.create(payload: "foo") assert_equal "foo", json.payload end def test_assigning_number json = JsonDataType.create(payload: 1.234) assert_equal 1.234, json.payload end def test_assigning_boolean json = JsonDataType.create(payload: true) assert_equal true, json.payload end end class PostgresqlJSONTest < ActiveRecord::PostgreSQLTestCase include PostgresqlJSONSharedTestCases def column_type :json end end class PostgresqlJSONBTest < ActiveRecord::PostgreSQLTestCase include PostgresqlJSONSharedTestCases def column_type :jsonb end end