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require 'test_helper'
module Spy
class TestMock < Minitest::Test
class BluePen < Pen
def write_hello(other)
end
end
def setup
@pen_mock = Mock.new(BluePen)
@pen = @pen_mock.new
end
def teardown
Spy::Agency.instance.dissolve!
end
def test_class_methods
assert @pen.kind_of?(BluePen)
assert @pen.kind_of?(Pen)
assert @pen.is_a?(Pen)
assert @pen.is_a?(BluePen)
assert @pen.instance_of?(BluePen)
assert_equal BluePen, @pen.class
end
def test_raises_error_on_unstubbed_method
assert_raises Spy::NeverHookedError do
@pen.write("")
end
end
def test_mimics_visibility
assert @pen.singleton_class.public_method_defined? :public_method
assert @pen.singleton_class.protected_method_defined? :protected_method
assert @pen.singleton_class.private_method_defined? :private_method
end
def test_that_method_spy_keeps_arity
assert_raises ArgumentError do
@pen.write
end
assert_raises ArgumentError do
@pen.write("hello", "world")
end
assert_raises ArgumentError do
@pen.write_hello
end
assert_raises ArgumentError do
@pen.greet
end
assert_raises ArgumentError do
@pen.greet("hello", "bob", "error")
end
end
def test_that_and_call_original_works
Spy.on(@pen, :another).and_call_through
assert_equal "another", @pen.another
Spy.off(@pen, :another)
assert_raises Spy::NeverHookedError do
@pen.another
end
end
BUGGY_METHODS = %i(tap pretty_print_inspect trust untrust untrusted? debugger byebug taint untaint tainted?)
def test_mocked_methods
pen_methods = Pen.public_instance_methods(false) +
Pen.protected_instance_methods(false) +
Pen.private_instance_methods(false)
pen_methods.delete(:initialize)
assert_equal pen_methods.sort, @pen_mock.mocked_methods.sort
end
methods_to_test = Object.instance_methods - BUGGY_METHODS
methods_to_test.each do |method_name|
object_method = Object.instance_method(method_name)
if object_method.arity == 0 || (RUBY_ENGINE != "jruby" && object_method.parameters == [])
define_method("test_base_class_method_#{method_name}_is_not_stubbed") do
@pen_mock.new.send(method_name)
end
end
end
end
end
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