diff options
Diffstat (limited to 'activerecord/test/cases/attribute_test.rb')
| -rw-r--r-- | activerecord/test/cases/attribute_test.rb | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/activerecord/test/cases/attribute_test.rb b/activerecord/test/cases/attribute_test.rb deleted file mode 100644 index aa419c7a67..0000000000 --- a/activerecord/test/cases/attribute_test.rb +++ /dev/null @@ -1,192 +0,0 @@ -require 'cases/helper' -require 'minitest/mock' - -module ActiveRecord - class AttributeTest < ActiveRecord::TestCase - setup do - @type = Minitest::Mock.new - @type.expect(:==, false, [false]) - end - - teardown do - assert @type.verify - end - - test "from_database + read type casts from database" do - @type.expect(:deserialize, 'type cast from database', ['a value']) - attribute = Attribute.from_database(nil, 'a value', @type) - - type_cast_value = attribute.value - - assert_equal 'type cast from database', type_cast_value - end - - test "from_user + read type casts from user" do - @type.expect(:cast, 'type cast from user', ['a value']) - attribute = Attribute.from_user(nil, 'a value', @type) - - type_cast_value = attribute.value - - assert_equal 'type cast from user', type_cast_value - end - - test "reading memoizes the value" do - @type.expect(:deserialize, 'from the database', ['whatever']) - attribute = Attribute.from_database(nil, 'whatever', @type) - - type_cast_value = attribute.value - second_read = attribute.value - - assert_equal 'from the database', type_cast_value - assert_same type_cast_value, second_read - end - - test "reading memoizes falsy values" do - @type.expect(:deserialize, false, ['whatever']) - attribute = Attribute.from_database(nil, 'whatever', @type) - - attribute.value - attribute.value - end - - test "read_before_typecast returns the given value" do - attribute = Attribute.from_database(nil, 'raw value', @type) - - raw_value = attribute.value_before_type_cast - - assert_equal 'raw value', raw_value - end - - test "from_database + read_for_database type casts to and from database" do - @type.expect(:deserialize, 'read from database', ['whatever']) - @type.expect(:serialize, 'ready for database', ['read from database']) - attribute = Attribute.from_database(nil, 'whatever', @type) - - serialize = attribute.value_for_database - - assert_equal 'ready for database', serialize - end - - test "from_user + read_for_database type casts from the user to the database" do - @type.expect(:cast, 'read from user', ['whatever']) - @type.expect(:serialize, 'ready for database', ['read from user']) - attribute = Attribute.from_user(nil, 'whatever', @type) - - serialize = attribute.value_for_database - - assert_equal 'ready for database', serialize - end - - test "duping dups the value" do - @type.expect(:deserialize, 'type cast', ['a value']) - attribute = Attribute.from_database(nil, 'a value', @type) - - value_from_orig = attribute.value - value_from_clone = attribute.dup.value - value_from_orig << ' foo' - - assert_equal 'type cast foo', value_from_orig - assert_equal 'type cast', value_from_clone - end - - test "duping does not dup the value if it is not dupable" do - @type.expect(:deserialize, false, ['a value']) - attribute = Attribute.from_database(nil, 'a value', @type) - - assert_same attribute.value, attribute.dup.value - end - - test "duping does not eagerly type cast if we have not yet type cast" do - attribute = Attribute.from_database(nil, 'a value', @type) - attribute.dup - end - - class MyType - def cast(value) - value + " from user" - end - - def deserialize(value) - value + " from database" - end - end - - test "with_value_from_user returns a new attribute with the value from the user" do - old = Attribute.from_database(nil, "old", MyType.new) - new = old.with_value_from_user("new") - - assert_equal "old from database", old.value - assert_equal "new from user", new.value - end - - test "with_value_from_database returns a new attribute with the value from the database" do - old = Attribute.from_user(nil, "old", MyType.new) - new = old.with_value_from_database("new") - - assert_equal "old from user", old.value - assert_equal "new from database", new.value - end - - test "uninitialized attributes yield their name if a block is given to value" do - block = proc { |name| name.to_s + "!" } - foo = Attribute.uninitialized(:foo, nil) - bar = Attribute.uninitialized(:bar, nil) - - assert_equal "foo!", foo.value(&block) - assert_equal "bar!", bar.value(&block) - end - - test "uninitialized attributes have no value" do - assert_nil Attribute.uninitialized(:foo, nil).value - end - - test "attributes equal other attributes with the same constructor arguments" do - first = Attribute.from_database(:foo, 1, Type::Integer.new) - second = Attribute.from_database(:foo, 1, Type::Integer.new) - assert_equal first, second - end - - test "attributes do not equal attributes with different names" do - first = Attribute.from_database(:foo, 1, Type::Integer.new) - second = Attribute.from_database(:bar, 1, Type::Integer.new) - assert_not_equal first, second - end - - test "attributes do not equal attributes with different types" do - first = Attribute.from_database(:foo, 1, Type::Integer.new) - second = Attribute.from_database(:foo, 1, Type::Float.new) - assert_not_equal first, second - end - - test "attributes do not equal attributes with different values" do - first = Attribute.from_database(:foo, 1, Type::Integer.new) - second = Attribute.from_database(:foo, 2, Type::Integer.new) - assert_not_equal first, second - end - - test "attributes do not equal attributes of other classes" do - first = Attribute.from_database(:foo, 1, Type::Integer.new) - second = Attribute.from_user(:foo, 1, Type::Integer.new) - assert_not_equal first, second - end - - test "an attribute has not been read by default" do - attribute = Attribute.from_database(:foo, 1, Type::Value.new) - assert_not attribute.has_been_read? - end - - test "an attribute has been read when its value is calculated" do - attribute = Attribute.from_database(:foo, 1, Type::Value.new) - attribute.value - assert attribute.has_been_read? - end - - test "an attribute can not be mutated if it has not been read, - and skips expensive calculations" do - type_which_raises_from_all_methods = Object.new - attribute = Attribute.from_database(:foo, "bar", type_which_raises_from_all_methods) - - assert_not attribute.changed_in_place_from?("bar") - end - end -end |