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module UnitTests
module ClassBuilder
def define_module(*args, &block)
ClassBuilder.define_module(*args, &block)
end
def define_class(*args, &block)
ClassBuilder.define_class(*args, &block)
end
class << self
def configure_example_group(example_group)
example_group.include(self)
example_group.after do
ClassBuilder.reset
end
end
def reset
remove_defined_modules
defined_modules.clear
end
def define_module(module_name, &block)
module_name = module_name.to_s.camelize
namespace, name_without_namespace = parse_constant_name(module_name)
remove_defined_module(module_name)
eval <<-RUBY, binding, __FILE__, __LINE__ + 1 # rubocop:disable Security/Eval
module #{namespace}::#{name_without_namespace}
end
RUBY
namespace.const_get(name_without_namespace).tap do |constant|
constant.unloadable if constant.respond_to?(:unloadable) # if Rails is in classic mode, mark it unloadable
@_defined_modules = defined_modules | [constant]
if block
constant.module_eval(&block)
end
end
end
def define_class(class_name, parent_class = Object, &block)
class_name = class_name.to_s.camelize
namespace, name_without_namespace = parse_constant_name(class_name)
remove_defined_module(class_name)
eval <<-RUBY, binding, __FILE__, __LINE__ + 1 # rubocop:disable Security/Eval
class #{namespace}::#{name_without_namespace} < ::#{parent_class}
end
RUBY
namespace.const_get(name_without_namespace).tap do |constant|
constant.unloadable if constant.respond_to?(:unloadable) # if Rails is in classic mode, mark it unloadable
@_defined_modules = defined_modules | [constant]
if block
if block.arity == 0
constant.class_eval(&block)
else
block.call(constant)
end
end
end
end
def parse_constant_name(name)
namespace = Shoulda::Matchers::Util.deconstantize(name)
qualified_namespace = (namespace.presence || 'Object').constantize
name_without_namespace = name.to_s.demodulize
[qualified_namespace, name_without_namespace]
end
private
def remove_defined_modules
defined_modules.reverse_each { |mod| remove_defined_module(mod.name) }
ActiveSupport::Dependencies.clear
end
def remove_defined_module(module_name)
namespace, name_without_namespace = parse_constant_name(module_name)
if namespace.const_defined?(name_without_namespace, false)
namespace.__send__(:remove_const, name_without_namespace)
end
end
def defined_modules
@_defined_modules ||= []
end
end
end
end
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