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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
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