diff options
Diffstat (limited to 'activerecord/test/cases/json_shared_test_cases.rb')
-rw-r--r-- | activerecord/test/cases/json_shared_test_cases.rb | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/activerecord/test/cases/json_shared_test_cases.rb b/activerecord/test/cases/json_shared_test_cases.rb new file mode 100644 index 0000000000..9b79803503 --- /dev/null +++ b/activerecord/test/cases/json_shared_test_cases.rb @@ -0,0 +1,269 @@ +# frozen_string_literal: true + +require "support/schema_dumping_helper" + +module JSONSharedTestCases + include SchemaDumpingHelper + + class JsonDataType < ActiveRecord::Base + self.table_name = "json_data_type" + + store_accessor :settings, :resolution + end + + def setup + @connection = ActiveRecord::Base.connection + end + + def teardown + @connection.drop_table :json_data_type, if_exists: true + klass.reset_column_information + end + + def test_column + column = klass.columns_hash["payload"] + assert_equal column_type, column.type + assert_type_match column_type, column.sql_type + + type = klass.type_for_attribute("payload") + assert_not_predicate type, :binary? + end + + def test_change_table_supports_json + @connection.change_table("json_data_type") do |t| + t.public_send column_type, "users" + end + klass.reset_column_information + column = klass.columns_hash["users"] + assert_equal column_type, column.type + assert_type_match column_type, column.sql_type + end + + def test_schema_dumping + output = dump_table_schema("json_data_type") + assert_match(/t\.#{column_type}\s+"settings"/, output) + end + + def test_cast_value_on_write + x = klass.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 = klass.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_statement_per_database('{"k":"v"}')) + x = klass.first + x.payload = { '"a\'' => "b" } + assert x.save! + end + + def test_select + @connection.execute(insert_statement_per_database('{"k":"v"}')) + x = klass.first + assert_equal({ "k" => "v" }, x.payload) + end + + def test_select_multikey + @connection.execute(insert_statement_per_database('{"k1":"v1", "k2":"v2", "k3":[1,2,3]}')) + x = klass.first + assert_equal({ "k1" => "v1", "k2" => "v2", "k3" => [1, 2, 3] }, x.payload) + end + + def test_null_json + @connection.execute(insert_statement_per_database("null")) + x = klass.first + assert_nil(x.payload) + end + + def test_select_nil_json_after_create + json = klass.create!(payload: nil) + x = klass.where(payload: nil).first + assert_equal(json, x) + end + + def test_select_nil_json_after_update + json = klass.create!(payload: "foo") + x = klass.where(payload: nil).first + assert_nil(x) + + json.update(payload: nil) + x = klass.where(payload: nil).first + assert_equal(json.reload, x) + end + + def test_select_array_json_value + @connection.execute(insert_statement_per_database('["v0",{"k1":"v1"}]')) + x = klass.first + assert_equal(["v0", { "k1" => "v1" }], x.payload) + end + + def test_rewrite_array_json_value + @connection.execute(insert_statement_per_database('["v0",{"k1":"v1"}]')) + x = klass.first + x.payload = ["v1", { "k2" => "v2" }, "v3"] + assert x.save! + end + + def test_with_store_accessors + x = klass.new(resolution: "320×480") + assert_equal "320×480", x.resolution + + x.save! + x = klass.first + assert_equal "320×480", x.resolution + + x.resolution = "640×1136" + x.save! + + x = klass.first + assert_equal "640×1136", x.resolution + end + + def test_duplication_with_store_accessors + x = klass.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 = klass.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 = klass.new + assert_not_predicate json, :changed? + + json.payload = { "one" => "two" } + assert_predicate json, :changed? + assert_predicate json, :payload_changed? + + json.save! + assert_not_predicate json, :changed? + + json.payload["three"] = "four" + assert_predicate json, :payload_changed? + + json.save! + json.reload + + assert_equal({ "one" => "two", "three" => "four" }, json.payload) + assert_not_predicate json, :changed? + end + + def test_changes_in_place_ignores_key_order + json = klass.new + assert_not_predicate json, :changed? + + json.payload = { "three" => "four", "one" => "two" } + json.save! + json.reload + + json.payload = { "three" => "four", "one" => "two" } + assert_not_predicate json, :changed? + + json.payload = [{ "three" => "four", "one" => "two" }, { "seven" => "eight", "five" => "six" }] + json.save! + json.reload + + json.payload = [{ "three" => "four", "one" => "two" }, { "seven" => "eight", "five" => "six" }] + assert_not_predicate json, :changed? + end + + def test_changes_in_place_with_ruby_object + time = Time.now.utc + json = klass.create!(payload: time) + + json.reload + assert_not_predicate json, :changed? + + json.payload = time + assert_not_predicate json, :changed? + end + + def test_assigning_string_literal + json = klass.create!(payload: "foo") + assert_equal "foo", json.payload + end + + def test_assigning_number + json = klass.create!(payload: 1.234) + assert_equal 1.234, json.payload + end + + def test_assigning_boolean + json = klass.create!(payload: true) + assert_equal true, json.payload + end + + def test_not_compatible_with_serialize_json + new_klass = Class.new(klass) do + serialize :payload, JSON + end + assert_raises(ActiveRecord::AttributeMethods::Serialization::ColumnNotSerializableError) do + new_klass.new + end + end + + class MySettings + def initialize(hash); @hash = hash end + def to_hash; @hash end + def self.load(hash); new(hash) end + def self.dump(object); object.to_hash end + end + + def test_json_with_serialized_attributes + new_klass = Class.new(klass) do + serialize :settings, MySettings + end + + new_klass.create!(settings: MySettings.new("one" => "two")) + record = new_klass.first + + assert_instance_of MySettings, record.settings + assert_equal({ "one" => "two" }, record.settings.to_hash) + + record.settings = MySettings.new("three" => "four") + record.save! + + assert_equal({ "three" => "four" }, record.reload.settings.to_hash) + end + + private + def klass + JsonDataType + end + + def assert_type_match(type, sql_type) + native_type = ActiveRecord::Base.connection.native_database_types[type][:name] + assert_match %r(\A#{native_type}\b), sql_type + end + + def insert_statement_per_database(values) + if current_adapter?(:OracleAdapter) + "insert into json_data_type (id, payload) VALUES (json_data_type_seq.nextval, '#{values}')" + else + "insert into json_data_type (payload) VALUES ('#{values}')" + end + end +end |