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Removed minitest/mock

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Hiroshi SHIBATA 2021-05-19 14:24:01 +09:00
parent 1d170fdc6d
commit adcbae8d49
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3 changed files with 30 additions and 601 deletions
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31
test/resolv/test_dns.rb
View file

@ -3,7 +3,36 @@ require 'test/unit'
require 'resolv'
require 'socket'
require 'tempfile'
require 'minitest/mock'
class Object # :nodoc:
def stub name, val_or_callable, &block
new_name = "__minitest_stub__#{name}"
metaclass = class << self; self; end
if respond_to? name and not methods.map(&:to_s).include? name.to_s then
metaclass.send :define_method, name do |*args|
super(*args)
end
end
metaclass.send :alias_method, new_name, name
metaclass.send :define_method, name do |*args|
if val_or_callable.respond_to? :call then
val_or_callable.call(*args)
else
val_or_callable
end
end
yield self
ensure
metaclass.send :undef_method, name
metaclass.send :alias_method, name, new_name
metaclass.send :undef_method, new_name
end unless method_defined?(:stub) # lib/rubygems/test_case.rb also has the same method definition
end
class TestResolvDNS < Test::Unit::TestCase
def setup

196
tool/lib/minitest/mock.rb
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@ -1,196 +0,0 @@
# encoding: utf-8
# frozen_string_literal: true
class MockExpectationError < StandardError; end # :nodoc:
##
# A simple and clean mock object framework.
module MiniTest # :nodoc:
##
# All mock objects are an instance of Mock
class Mock
alias :__respond_to? :respond_to?
skip_methods = %w(object_id respond_to_missing? inspect === to_s)
instance_methods.each do |m|
undef_method m unless skip_methods.include?(m.to_s) || m =~ /^__/
end
def initialize # :nodoc:
@expected_calls = Hash.new { |calls, name| calls[name] = [] }
@actual_calls = Hash.new { |calls, name| calls[name] = [] }
end
##
# Expect that method +name+ is called, optionally with +args+ or a
# +blk+, and returns +retval+.
#
# @mock.expect(:meaning_of_life, 42)
# @mock.meaning_of_life # => 42
#
# @mock.expect(:do_something_with, true, [some_obj, true])
# @mock.do_something_with(some_obj, true) # => true
#
# @mock.expect(:do_something_else, true) do |a1, a2|
# a1 == "buggs" && a2 == :bunny
# end
#
# +args+ is compared to the expected args using case equality (ie, the
# '===' operator), allowing for less specific expectations.
#
# @mock.expect(:uses_any_string, true, [String])
# @mock.uses_any_string("foo") # => true
# @mock.verify # => true
#
# @mock.expect(:uses_one_string, true, ["foo"]
# @mock.uses_one_string("bar") # => true
# @mock.verify # => raises MockExpectationError
def expect(name, retval, args=[], &blk)
if block_given?
raise ArgumentError, "args ignored when block given" unless args.empty?
@expected_calls[name] << { :retval => retval, :block => blk }
else
raise ArgumentError, "args must be an array" unless Array === args
@expected_calls[name] << { :retval => retval, :args => args }
end
self
end
def __call name, data # :nodoc:
case data
when Hash then
"#{name}(#{data[:args].inspect[1..-2]}) => #{data[:retval].inspect}"
else
data.map { |d| __call name, d }.join ", "
end
end
##
# Verify that all methods were called as expected. Raises
# +MockExpectationError+ if the mock object was not called as
# expected.
def verify
@expected_calls.each do |name, calls|
calls.each do |expected|
msg1 = "expected #{__call name, expected}"
msg2 = "#{msg1}, got [#{__call name, @actual_calls[name]}]"
raise MockExpectationError, msg2 if
@actual_calls.has_key?(name) and
not @actual_calls[name].include?(expected)
raise MockExpectationError, msg1 unless
@actual_calls.has_key?(name) and
@actual_calls[name].include?(expected)
end
end
true
end
def method_missing(sym, *args) # :nodoc:
unless @expected_calls.has_key?(sym) then
raise NoMethodError, "unmocked method %p, expected one of %p" %
[sym, @expected_calls.keys.sort_by(&:to_s)]
end
index = @actual_calls[sym].length
expected_call = @expected_calls[sym][index]
unless expected_call then
raise MockExpectationError, "No more expects available for %p: %p" %
[sym, args]
end
expected_args, retval, val_block =
expected_call.values_at(:args, :retval, :block)
if val_block then
raise MockExpectationError, "mocked method %p failed block w/ %p" %
[sym, args] unless val_block.call(args)
# keep "verify" happy
@actual_calls[sym] << expected_call
return retval
end
if expected_args.size != args.size then
raise ArgumentError, "mocked method %p expects %d arguments, got %d" %
[sym, expected_args.size, args.size]
end
fully_matched = expected_args.zip(args).all? { |mod, a|
mod === a or mod == a
}
unless fully_matched then
raise MockExpectationError, "mocked method %p called with unexpected arguments %p" %
[sym, args]
end
@actual_calls[sym] << {
:retval => retval,
:args => expected_args.zip(args).map { |mod, a| mod === a ? mod : a }
}
retval
end
def respond_to?(sym, include_private = false) # :nodoc:
return true if @expected_calls.has_key?(sym.to_sym)
return __respond_to?(sym, include_private)
end
end
end
class Object # :nodoc:
##
# Add a temporary stubbed method replacing +name+ for the duration
# of the +block+. If +val_or_callable+ responds to #call, then it
# returns the result of calling it, otherwise returns the value
# as-is. Cleans up the stub at the end of the +block+. The method
# +name+ must exist before stubbing.
#
# def test_stale_eh
# obj_under_test = Something.new
# refute obj_under_test.stale?
#
# Time.stub :now, Time.at(0) do
# assert obj_under_test.stale?
# end
# end
def stub name, val_or_callable, &block
new_name = "__minitest_stub__#{name}"
metaclass = class << self; self; end
if respond_to? name and not methods.map(&:to_s).include? name.to_s then
metaclass.send :define_method, name do |*args|
super(*args)
end
end
metaclass.send :alias_method, new_name, name
metaclass.send :define_method, name do |*args|
if val_or_callable.respond_to? :call then
val_or_callable.call(*args)
else
val_or_callable
end
end
yield self
ensure
metaclass.send :undef_method, name
metaclass.send :alias_method, name, new_name
metaclass.send :undef_method, new_name
end unless method_defined?(:stub) # lib/rubygems/test_case.rb also has the same method definition
end

404
tool/test/minitest/test_minitest_mock.rb
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@ -1,404 +0,0 @@
# encoding: utf-8
# frozen_string_literal: false
require 'minitest/mock'
class TestMiniTestMock < MiniTest::Unit::TestCase
def setup
@mock = MiniTest::Mock.new.expect(:foo, nil)
@mock.expect(:meaning_of_life, 42)
end
def test_create_stub_method
assert_nil @mock.foo
end
def test_allow_return_value_specification
assert_equal 42, @mock.meaning_of_life
end
def test_blow_up_if_not_called
@mock.foo
util_verify_bad "expected meaning_of_life() => 42, got []"
end
def test_not_blow_up_if_everything_called
@mock.foo
@mock.meaning_of_life
assert @mock.verify
end
def test_allow_expectations_to_be_added_after_creation
@mock.expect(:bar, true)
assert @mock.bar
end
def test_not_verify_if_new_expected_method_is_not_called
@mock.foo
@mock.meaning_of_life
@mock.expect(:bar, true)
util_verify_bad "expected bar() => true, got []"
end
def test_blow_up_on_wrong_number_of_arguments
@mock.foo
@mock.meaning_of_life
@mock.expect(:sum, 3, [1, 2])
e = assert_raises ArgumentError do
@mock.sum
end
assert_equal "mocked method :sum expects 2 arguments, got 0", e.message
end
def test_return_mock_does_not_raise
retval = MiniTest::Mock.new
mock = MiniTest::Mock.new
mock.expect(:foo, retval)
mock.foo
assert mock.verify
end
def test_mock_args_does_not_raise
skip "non-opaque use of ==" if maglev?
arg = MiniTest::Mock.new
mock = MiniTest::Mock.new
mock.expect(:foo, nil, [arg])
mock.foo(arg)
assert mock.verify
end
def test_blow_up_on_wrong_arguments
@mock.foo
@mock.meaning_of_life
@mock.expect(:sum, 3, [1, 2])
e = assert_raises MockExpectationError do
@mock.sum(2, 4)
end
exp = "mocked method :sum called with unexpected arguments [2, 4]"
assert_equal exp, e.message
end
def test_expect_with_non_array_args
e = assert_raises ArgumentError do
@mock.expect :blah, 3, false
end
assert_equal "args must be an array", e.message
end
def test_respond_appropriately
assert @mock.respond_to?(:foo)
assert @mock.respond_to?(:foo, true)
assert @mock.respond_to?('foo')
assert !@mock.respond_to?(:bar)
end
def test_no_method_error_on_unexpected_methods
e = assert_raises NoMethodError do
@mock.bar
end
expected = "unmocked method :bar, expected one of [:foo, :meaning_of_life]"
assert_equal expected, e.message
end
def test_assign_per_mock_return_values
a = MiniTest::Mock.new
b = MiniTest::Mock.new
a.expect(:foo, :a)
b.expect(:foo, :b)
assert_equal :a, a.foo
assert_equal :b, b.foo
end
def test_do_not_create_stub_method_on_new_mocks
a = MiniTest::Mock.new
a.expect(:foo, :a)
assert !MiniTest::Mock.new.respond_to?(:foo)
end
def test_mock_is_a_blank_slate
@mock.expect :kind_of?, true, [Integer]
@mock.expect :==, true, [1]
assert @mock.kind_of?(Integer), "didn't mock :kind_of\?"
assert @mock == 1, "didn't mock :=="
end
def test_verify_allows_called_args_to_be_loosely_specified
mock = MiniTest::Mock.new
mock.expect :loose_expectation, true, [Integer]
mock.loose_expectation 1
assert mock.verify
end
def test_verify_raises_with_strict_args
mock = MiniTest::Mock.new
mock.expect :strict_expectation, true, [2]
e = assert_raises MockExpectationError do
mock.strict_expectation 1
end
exp = "mocked method :strict_expectation called with unexpected arguments [1]"
assert_equal exp, e.message
end
def test_method_missing_empty
mock = MiniTest::Mock.new
mock.expect :a, nil
mock.a
e = assert_raises MockExpectationError do
mock.a
end
assert_equal "No more expects available for :a: []", e.message
end
def test_same_method_expects_are_verified_when_all_called
mock = MiniTest::Mock.new
mock.expect :foo, nil, [:bar]
mock.expect :foo, nil, [:baz]
mock.foo :bar
mock.foo :baz
assert mock.verify
end
def test_same_method_expects_blow_up_when_not_all_called
mock = MiniTest::Mock.new
mock.expect :foo, nil, [:bar]
mock.expect :foo, nil, [:baz]
mock.foo :bar
e = assert_raises(MockExpectationError) { mock.verify }
exp = "expected foo(:baz) => nil, got [foo(:bar) => nil]"
assert_equal exp, e.message
end
def test_verify_passes_when_mock_block_returns_true
mock = MiniTest::Mock.new
mock.expect :foo, nil do
true
end
mock.foo
assert mock.verify
end
def test_mock_block_is_passed_function_params
arg1, arg2, arg3 = :bar, [1,2,3], {:a => 'a'}
mock = MiniTest::Mock.new
mock.expect :foo, nil do |a1, a2, a3|
a1 == arg1 &&
a2 == arg2 &&
a3 == arg3
end
mock.foo arg1, arg2, arg3
assert mock.verify
end
def test_verify_fails_when_mock_block_returns_false
mock = MiniTest::Mock.new
mock.expect :foo, nil do
false
end
e = assert_raises(MockExpectationError) { mock.foo }
exp = "mocked method :foo failed block w/ []"
assert_equal exp, e.message
end
def test_mock_block_throws_if_args_passed
mock = MiniTest::Mock.new
e = assert_raises(ArgumentError) do
mock.expect :foo, nil, [:a, :b, :c] do
true
end
end
exp = "args ignored when block given"
assert_equal exp, e.message
end
def test_mock_returns_retval_when_called_with_block
mock = MiniTest::Mock.new
mock.expect(:foo, 32) do
true
end
rs = mock.foo
assert_equal rs, 32
end
def util_verify_bad exp
e = assert_raises MockExpectationError do
@mock.verify
end
assert_equal exp, e.message
end
end
require_relative "metametameta"
class TestMiniTestStub < MiniTest::Unit::TestCase
def setup
super
MiniTest::Unit::TestCase.reset
@tc = MiniTest::Unit::TestCase.new 'fake tc'
@assertion_count = 1
end
def teardown
super
assert_equal @assertion_count, @tc._assertions
end
class Time
def self.now
24
end
end
def assert_stub val_or_callable
@assertion_count += 1
t = Time.now.to_i
Time.stub :now, val_or_callable do
@tc.assert_equal 42, Time.now
end
@tc.assert_operator Time.now.to_i, :>=, t
end
def test_stub_private_module_method
@assertion_count += 1
t0 = Time.now
self.stub :sleep, nil do
@tc.assert_nil sleep(10)
end
@tc.assert_operator Time.now - t0, :<=, 1
end
def test_stub_private_module_method_indirect
@assertion_count += 1
slow_clapper = Class.new do
def slow_clap
sleep 3
:clap
end
end.new
slow_clapper.stub :sleep, nil do |fast_clapper|
@tc.assert_equal :clap, fast_clapper.slow_clap # either form works
@tc.assert_equal :clap, slow_clapper.slow_clap # yay closures
end
end
def test_stub_public_module_method
Math.stub(:log10, 42.0) do
@tc.assert_in_delta 42.0, Math.log10(1000)
end
end
def test_stub_value
assert_stub 42
end
def test_stub_block
assert_stub lambda { 42 }
end
def test_stub_block_args
@assertion_count += 1
t = Time.now.to_i
Time.stub :now, lambda { |n| n * 2 } do
@tc.assert_equal 42, Time.now(21)
end
@tc.assert_operator Time.now.to_i, :>=, t
end
def test_stub_callable
obj = Object.new
def obj.call
42
end
assert_stub obj
end
def test_stub_yield_self
obj = "foo"
val = obj.stub :to_s, "bar" do |s|
s.to_s
end
@tc.assert_equal "bar", val
end
def test_dynamic_method
@assertion_count = 2
dynamic = Class.new do
def self.respond_to?(meth)
meth == :found
end
def self.method_missing(meth, *args, &block)
if meth == :found
false
else
super
end
end
end
val = dynamic.stub(:found, true) do |s|
s.found
end
@tc.assert_equal true, val
@tc.assert_equal false, dynamic.found
end
end