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require "cases/helper"
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, "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 errors.include?(:foo), 'errors should include :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 errors.has_key?(:foo), 'errors should have key :foo'
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 "get returns the errors for the provided key" do
errors = ActiveModel::Errors.new(self)
errors[:foo] = "omg"
assert_equal ["omg"], errors.get(:foo)
end
test "sets the error with the provided key" do
errors = ActiveModel::Errors.new(self)
errors.set(:foo, "omg")
assert_equal({ foo: "omg" }, errors.messages)
end
test "values returns an array of messages" do
errors = ActiveModel::Errors.new(self)
errors.set(:foo, "omg")
errors.set(:baz, "zomg")
assert_equal ["omg", "zomg"], errors.values
end
test "keys returns the error keys" do
errors = ActiveModel::Errors.new(self)
errors.set(:foo, "omg")
errors.set(: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 !person.errors.include?(: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 "assign error" do
person = Person.new
person.errors[:name] = 'should not be nil'
assert_equal ["should not 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 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 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")
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 "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 "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 "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" 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)
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 "add_on_empty generates message" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :empty, {})
person.errors.add_on_empty :name
end
test "add_on_empty generates message for multiple attributes" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :empty, {})
person.errors.expects(:generate_message).with(:age, :empty, {})
person.errors.add_on_empty [:name, :age]
end
test "add_on_empty generates message with custom default message" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :empty, { message: 'custom' })
person.errors.add_on_empty :name, message: 'custom'
end
test "add_on_empty generates message with empty string value" do
person = Person.new
person.name = ''
person.errors.expects(:generate_message).with(:name, :empty, {})
person.errors.add_on_empty :name
end
test "add_on_blank generates message" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :blank, {})
person.errors.add_on_blank :name
end
test "add_on_blank generates message for multiple attributes" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :blank, {})
person.errors.expects(:generate_message).with(:age, :blank, {})
person.errors.add_on_blank [:name, :age]
end
test "add_on_blank generates message with custom default message" do
person = Person.new
person.errors.expects(:generate_message).with(:name, :blank, { message: 'custom' })
person.errors.add_on_blank :name, message: 'custom'
end
end
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