require "cases/helper" require "models/topic" class ValidationsContextTest < ActiveModel::TestCase def teardown Topic.clear_validators! end ERROR_MESSAGE = "Validation error from validator" ANOTHER_ERROR_MESSAGE = "Another validation error from validator" class ValidatorThatAddsErrors < ActiveModel::Validator def validate(record) record.errors[:base] << ERROR_MESSAGE end end class AnotherValidatorThatAddsErrors < ActiveModel::Validator def validate(record) record.errors[:base] << ANOTHER_ERROR_MESSAGE end end test "with a class that adds errors on create and validating a new model with no arguments" do Topic.validates_with(ValidatorThatAddsErrors, on: :create) topic = Topic.new assert topic.valid?, "Validation doesn't run on valid? if 'on' is set to create" end test "with a class that adds errors on update and validating a new model" do Topic.validates_with(ValidatorThatAddsErrors, on: :update) topic = Topic.new assert topic.valid?(:create), "Validation doesn't run on create if 'on' is set to update" end test "with a class that adds errors on create and validating a new model" do Topic.validates_with(ValidatorThatAddsErrors, on: :create) topic = Topic.new assert topic.invalid?(:create), "Validation does run on create if 'on' is set to create" assert_includes topic.errors[:base], ERROR_MESSAGE end test "with a class that adds errors on multiple contexts and validating a new model" do Topic.validates_with(ValidatorThatAddsErrors, on: [:context1, :context2]) topic = Topic.new assert topic.valid?, "Validation ran with no context given when 'on' is set to context1 and context2" assert topic.invalid?(:context1), "Validation did not run on context1 when 'on' is set to context1 and context2" assert_includes topic.errors[:base], ERROR_MESSAGE assert topic.invalid?(:context2), "Validation did not run on context2 when 'on' is set to context1 and context2" assert_includes topic.errors[:base], ERROR_MESSAGE end test "with a class that validating a model for a multiple contexts" do Topic.validates_with(ValidatorThatAddsErrors, on: :context1) Topic.validates_with(AnotherValidatorThatAddsErrors, on: :context2) topic = Topic.new assert topic.valid?, "Validation ran with no context given when 'on' is set to context1 and context2" assert topic.invalid?([:context1, :context2]), "Validation did not run on context1 when 'on' is set to context1 and context2" assert_includes topic.errors[:base], ERROR_MESSAGE assert_includes topic.errors[:base], ANOTHER_ERROR_MESSAGE end end