require "cases/helper" require "yaml" class ErrorsTest < ActiveModel::TestCase class Person extend ActiveModel::Naming def initialize @errors = ActiveModel::Errors.new(self) end attr_accessor :name, :age attr_reader :errors def validate! errors.add(:name, :blank, message: "cannot be nil") if name == nil end def read_attribute_for_validation(attr) send(attr) end def self.human_attribute_name(attr, options = {}) attr end def self.lookup_ancestors [self] end end def test_delete errors = ActiveModel::Errors.new(self) errors[:foo] << "omg" errors.delete("foo") assert_empty errors[:foo] end def test_include? errors = ActiveModel::Errors.new(self) errors[:foo] << "omg" assert_includes errors, :foo, "errors should include :foo" assert_includes errors, "foo", "errors should include 'foo' as :foo" end def test_dup errors = ActiveModel::Errors.new(self) errors[:foo] << "bar" errors_dup = errors.dup errors_dup[:bar] << "omg" assert_not_same errors_dup.messages, errors.messages end def test_has_key? errors = ActiveModel::Errors.new(self) errors[:foo] << "omg" assert_equal true, errors.has_key?(:foo), "errors should have key :foo" assert_equal true, errors.has_key?("foo"), "errors should have key 'foo' as :foo" end def test_has_no_key errors = ActiveModel::Errors.new(self) assert_equal false, errors.has_key?(:name), "errors should not have key :name" end def test_key? errors = ActiveModel::Errors.new(self) errors[:foo] << "omg" assert_equal true, errors.key?(:foo), "errors should have key :foo" assert_equal true, errors.key?("foo"), "errors should have key 'foo' as :foo" end def test_no_key errors = ActiveModel::Errors.new(self) assert_equal false, errors.key?(:name), "errors should not have key :name" end test "clear errors" do person = Person.new person.validate! assert_equal 1, person.errors.count person.errors.clear assert person.errors.empty? end test "error access is indifferent" do errors = ActiveModel::Errors.new(self) errors[:foo] << "omg" assert_equal ["omg"], errors["foo"] end test "values returns an array of messages" do errors = ActiveModel::Errors.new(self) errors.messages[:foo] = "omg" errors.messages[:baz] = "zomg" assert_equal ["omg", "zomg"], errors.values end test "keys returns the error keys" do errors = ActiveModel::Errors.new(self) errors.messages[:foo] << "omg" errors.messages[:baz] << "zomg" assert_equal [:foo, :baz], errors.keys end test "detecting whether there are errors with empty?, blank?, include?" do person = Person.new person.errors[:foo] assert person.errors.empty? assert person.errors.blank? assert_not_includes person.errors, :foo end test "include? does not add a key to messages hash" do person = Person.new person.errors.include?(:foo) assert_not person.errors.messages.key?(:foo) end test "adding errors using conditionals with Person#validate!" do person = Person.new person.validate! assert_equal ["name cannot be nil"], person.errors.full_messages assert_equal ["cannot be nil"], person.errors[:name] end test "add an error message on a specific attribute" do person = Person.new person.errors.add(:name, "cannot be blank") assert_equal ["cannot be blank"], person.errors[:name] end test "add an error message on a specific attribute with a defined type" do person = Person.new person.errors.add(:name, :blank, message: "cannot be blank") assert_equal ["cannot be blank"], person.errors[:name] end test "add an error with a symbol" do person = Person.new person.errors.add(:name, :blank) message = person.errors.generate_message(:name, :blank) assert_equal [message], person.errors[:name] end test "add an error with a proc" do person = Person.new message = Proc.new { "cannot be blank" } person.errors.add(:name, message) assert_equal ["cannot be blank"], person.errors[:name] end test "added? detects indifferent if a specific error was added to the object" do person = Person.new person.errors.add(:name, "cannot be blank") assert person.errors.added?(:name, "cannot be blank") assert person.errors.added?("name", "cannot be blank") end test "added? handles symbol message" do person = Person.new person.errors.add(:name, :blank) assert person.errors.added?(:name, :blank) end test "added? handles proc messages" do person = Person.new message = Proc.new { "cannot be blank" } person.errors.add(:name, message) assert person.errors.added?(:name, message) end test "added? defaults message to :invalid" do person = Person.new person.errors.add(:name) assert person.errors.added?(:name) end test "added? matches the given message when several errors are present for the same attribute" do person = Person.new person.errors.add(:name, "cannot be blank") person.errors.add(:name, "is invalid") assert person.errors.added?(:name, "cannot be blank") end test "added? returns false when no errors are present" do person = Person.new assert !person.errors.added?(:name) end test "added? returns false when checking a nonexisting error and other errors are present for the given attribute" do person = Person.new person.errors.add(:name, "is invalid") assert !person.errors.added?(:name, "cannot be blank") end test "added? returns false when checking for an error, but not providing message arguments" do person = Person.new person.errors.add(:name, "cannot be blank") assert !person.errors.added?(:name) end test "size calculates the number of error messages" do person = Person.new person.errors.add(:name, "cannot be blank") assert_equal 1, person.errors.size end test "count calculates the number of error messages" do person = Person.new person.errors.add(:name, "cannot be blank") assert_equal 1, person.errors.count end test "to_a returns the list of errors with complete messages containing the attribute names" do person = Person.new person.errors.add(:name, "cannot be blank") person.errors.add(:name, "cannot be nil") assert_equal ["name cannot be blank", "name cannot be nil"], person.errors.to_a end test "to_hash returns the error messages hash" do person = Person.new person.errors.add(:name, "cannot be blank") assert_equal({ name: ["cannot be blank"] }, person.errors.to_hash) end test "to_hash returns a hash without default proc" do person = Person.new assert_nil person.errors.to_hash.default_proc end test "as_json returns a hash without default proc" do person = Person.new assert_nil person.errors.as_json.default_proc end test "full_messages creates a list of error messages with the attribute name included" do person = Person.new person.errors.add(:name, "cannot be blank") person.errors.add(:name, "cannot be nil") assert_equal ["name cannot be blank", "name cannot be nil"], person.errors.full_messages end test "full_messages_for contains all the error messages for the given attribute indifferent" do person = Person.new person.errors.add(:name, "cannot be blank") person.errors.add(:name, "cannot be nil") assert_equal ["name cannot be blank", "name cannot be nil"], person.errors.full_messages_for(:name) end test "full_messages_for does not contain error messages from other attributes" do person = Person.new person.errors.add(:name, "cannot be blank") person.errors.add(:email, "cannot be blank") assert_equal ["name cannot be blank"], person.errors.full_messages_for(:name) assert_equal ["name cannot be blank"], person.errors.full_messages_for("name") end test "full_messages_for returns an empty list in case there are no errors for the given attribute" do person = Person.new person.errors.add(:name, "cannot be blank") assert_equal [], person.errors.full_messages_for(:email) end test "full_message returns the given message when attribute is :base" do person = Person.new assert_equal "press the button", person.errors.full_message(:base, "press the button") end test "full_message returns the given message with the attribute name included" do person = Person.new assert_equal "name cannot be blank", person.errors.full_message(:name, "cannot be blank") assert_equal "name_test cannot be blank", person.errors.full_message(:name_test, "cannot be blank") end test "as_json creates a json formatted representation of the errors hash" do person = Person.new person.validate! assert_equal({ name: ["cannot be nil"] }, person.errors.as_json) end test "as_json with :full_messages option creates a json formatted representation of the errors containing complete messages" do person = Person.new person.validate! assert_equal({ name: ["name cannot be nil"] }, person.errors.as_json(full_messages: true)) end test "generate_message works without i18n_scope" do person = Person.new assert !Person.respond_to?(:i18n_scope) assert_nothing_raised { person.errors.generate_message(:name, :blank) } end test "details returns added error detail" do person = Person.new person.errors.add(:name, :invalid) assert_equal({ name: [{ error: :invalid }] }, person.errors.details) end test "details returns added error detail with custom option" do person = Person.new person.errors.add(:name, :greater_than, count: 5) assert_equal({ name: [{ error: :greater_than, count: 5 }] }, person.errors.details) end test "details do not include message option" do person = Person.new person.errors.add(:name, :invalid, message: "is bad") assert_equal({ name: [{ error: :invalid }] }, person.errors.details) end test "dup duplicates details" do errors = ActiveModel::Errors.new(Person.new) errors.add(:name, :invalid) errors_dup = errors.dup errors_dup.add(:name, :taken) assert_not_equal errors_dup.details, errors.details end test "delete removes details on given attribute" do errors = ActiveModel::Errors.new(Person.new) errors.add(:name, :invalid) errors.delete(:name) assert_empty errors.details[:name] end test "delete returns the deleted messages" do errors = ActiveModel::Errors.new(Person.new) errors.add(:name, :invalid) assert_equal ["is invalid"], errors.delete(:name) end test "clear removes details" do person = Person.new person.errors.add(:name, :invalid) assert_equal 1, person.errors.details.count person.errors.clear assert person.errors.details.empty? end test "copy errors" do errors = ActiveModel::Errors.new(Person.new) errors.add(:name, :invalid) person = Person.new person.errors.copy!(errors) assert_equal [:name], person.errors.messages.keys assert_equal [:name], person.errors.details.keys end test "errors are marshalable" do errors = ActiveModel::Errors.new(Person.new) errors.add(:name, :invalid) serialized = Marshal.load(Marshal.dump(errors)) assert_equal errors.messages, serialized.messages assert_equal errors.details, serialized.details end test "errors are backward compatible with the Rails 4.2 format" do yaml = <<-CODE.strip_heredoc --- !ruby/object:ActiveModel::Errors base: &1 !ruby/object:ErrorsTest::Person errors: !ruby/object:ActiveModel::Errors base: *1 messages: {} messages: {} CODE errors = YAML.load(yaml) errors.add(:name, :invalid) assert_equal({ name: ["is invalid"] }, errors.messages) assert_equal({ name: [{ error: :invalid }] }, errors.details) errors.clear assert_equal({}, errors.messages) assert_equal({}, errors.details) end end