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Diffstat (limited to 'ruby_1_8_5/test/testunit/test_assertions.rb')
| -rw-r--r-- | ruby_1_8_5/test/testunit/test_assertions.rb | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/ruby_1_8_5/test/testunit/test_assertions.rb b/ruby_1_8_5/test/testunit/test_assertions.rb new file mode 100644 index 0000000000..8ccd2a81bd --- /dev/null +++ b/ruby_1_8_5/test/testunit/test_assertions.rb @@ -0,0 +1,528 @@ +# Author:: Nathaniel Talbott. +# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved. +# License:: Ruby license. + +require 'test/unit' + +module Test + module Unit + class TC_Assertions < TestCase + def check(value, message="") + add_assertion + if (!value) + raise AssertionFailedError.new(message) + end + end + + def check_assertions(expect_fail, expected_message="", return_value_expected=false) + @actual_assertion_count = 0 + failed = true + actual_message = nil + @catch_assertions = true + return_value = nil + begin + return_value = yield + failed = false + rescue AssertionFailedError => error + actual_message = error.message + end + @catch_assertions = false + check(expect_fail == failed, (expect_fail ? "Should have failed, but didn't" : "Should not have failed, but did with message\n<#{actual_message}>")) + check(1 == @actual_assertion_count, "Should have made one assertion but made <#{@actual_assertion_count}>") + if (expect_fail) + case expected_message + when String + check(actual_message == expected_message, "Should have the correct message.\n<#{expected_message.inspect}> expected but was\n<#{actual_message.inspect}>") + when Regexp + check(actual_message =~ expected_message, "The message should match correctly.\n</#{expected_message.source}/> expected to match\n<#{actual_message.inspect}>") + else + check(false, "Incorrect expected message type in assert_nothing_failed") + end + else + if (!return_value_expected) + check(return_value.nil?, "Should not return a value but returned <#{return_value}>") + else + check(!return_value.nil?, "Should return a value") + end + end + return return_value + end + + def check_nothing_fails(return_value_expected=false, &proc) + check_assertions(false, "", return_value_expected, &proc) + end + + def check_fails(expected_message="", &proc) + check_assertions(true, expected_message, &proc) + end + + def test_assert_block + check_nothing_fails { + assert_block {true} + } + check_nothing_fails { + assert_block("successful assert_block") {true} + } + check_nothing_fails { + assert_block("successful assert_block") {true} + } + check_fails("assert_block failed.") { + assert_block {false} + } + check_fails("failed assert_block") { + assert_block("failed assert_block") {false} + } + end + + def test_assert + check_nothing_fails{assert("a")} + check_nothing_fails{assert(true)} + check_nothing_fails{assert(true, "successful assert")} + check_fails("<nil> is not true."){assert(nil)} + check_fails("<false> is not true."){assert(false)} + check_fails("failed assert.\n<false> is not true."){assert(false, "failed assert")} + end + + def test_assert_equal + check_nothing_fails { + assert_equal("string1", "string1") + } + check_nothing_fails { + assert_equal( "string1", "string1", "successful assert_equal") + } + check_nothing_fails { + assert_equal("string1", "string1", "successful assert_equal") + } + check_fails(%Q{<"string1"> expected but was\n<"string2">.}) { + assert_equal("string1", "string2") + } + check_fails(%Q{failed assert_equal.\n<"string1"> expected but was\n<"string2">.}) { + assert_equal("string1", "string2", "failed assert_equal") + } + check_fails(%Q{<"1"> expected but was\n<1>.}) do + assert_equal("1", 1) + end + end + + def test_assert_raise + return_value = nil + check_nothing_fails(true) { + return_value = assert_raise(RuntimeError) { + raise "Error" + } + } + check(return_value.kind_of?(Exception), "Should have returned the exception from a successful assert_raise") + check(return_value.message == "Error", "Should have returned the correct exception from a successful assert_raise") + check_nothing_fails(true) { + assert_raise(ArgumentError, "successful assert_raise") { + raise ArgumentError.new("Error") + } + } + check_nothing_fails(true) { + assert_raise(RuntimeError) { + raise "Error" + } + } + check_nothing_fails(true) { + assert_raise(RuntimeError, "successful assert_raise") { + raise "Error" + } + } + check_fails("<RuntimeError> exception expected but none was thrown.") { + assert_raise(RuntimeError) { + 1 + 1 + } + } + check_fails(%r{\Afailed assert_raise.\n<ArgumentError> exception expected but was\nClass: <RuntimeError>\nMessage: <"Error">\n---Backtrace---\n.+\n---------------\Z}m) { + assert_raise(ArgumentError, "failed assert_raise") { + raise "Error" + } + } + check_fails("Should expect a class of exception, Object.\n<false> is not true.") { + assert_nothing_raised(Object) { + 1 + 1 + } + } + + exceptions = [ArgumentError, TypeError] + modules = [Math, Comparable] + rescues = exceptions + modules + exceptions.each do |exc| + check_nothing_fails(true) { + return_value = assert_raise(*rescues) { + raise exc, "Error" + } + } + check(return_value.instance_of?(exc), "Should have returned #{exc} but was #{return_value.class}") + check(return_value.message == "Error", "Should have returned the correct exception from a successful assert_raise") + end + modules.each do |mod| + check_nothing_fails(true) { + return_value = assert_raise(*rescues) { + raise Exception.new("Error").extend(mod) + } + } + check(mod === return_value, "Should have returned #{mod}") + check(return_value.message == "Error", "Should have returned the correct exception from a successful assert_raise") + end + check_fails("<[ArgumentError, TypeError, Math, Comparable]> exception expected but none was thrown.") { + assert_raise(*rescues) { + 1 + 1 + } + } + check_fails(%r{\Afailed assert_raise. +<\[ArgumentError, TypeError\]> exception expected but was +Class: <RuntimeError> +Message: <"Error"> +---Backtrace--- +.+ +---------------\Z}m) { + assert_raise(ArgumentError, TypeError, "failed assert_raise") { + raise "Error" + } + } + end + + def test_assert_instance_of + check_nothing_fails { + assert_instance_of(String, "string") + } + check_nothing_fails { + assert_instance_of(String, "string", "successful assert_instance_of") + } + check_nothing_fails { + assert_instance_of(String, "string", "successful assert_instance_of") + } + check_fails(%Q{<"string"> expected to be an instance of\n<Hash> but was\n<String>.}) { + assert_instance_of(Hash, "string") + } + check_fails(%Q{failed assert_instance_of.\n<"string"> expected to be an instance of\n<Hash> but was\n<String>.}) { + assert_instance_of(Hash, "string", "failed assert_instance_of") + } + end + + def test_assert_nil + check_nothing_fails { + assert_nil(nil) + } + check_nothing_fails { + assert_nil(nil, "successful assert_nil") + } + check_nothing_fails { + assert_nil(nil, "successful assert_nil") + } + check_fails(%Q{<nil> expected but was\n<"string">.}) { + assert_nil("string") + } + check_fails(%Q{failed assert_nil.\n<nil> expected but was\n<"string">.}) { + assert_nil("string", "failed assert_nil") + } + end + + def test_assert_not_nil + check_nothing_fails{assert_not_nil(false)} + check_nothing_fails{assert_not_nil(false, "message")} + check_fails("<nil> expected to not be nil."){assert_not_nil(nil)} + check_fails("message.\n<nil> expected to not be nil.") {assert_not_nil(nil, "message")} + end + + def test_assert_kind_of + check_nothing_fails { + assert_kind_of(Module, Array) + } + check_nothing_fails { + assert_kind_of(Object, "string", "successful assert_kind_of") + } + check_nothing_fails { + assert_kind_of(Object, "string", "successful assert_kind_of") + } + check_nothing_fails { + assert_kind_of(Comparable, 1) + } + check_fails(%Q{<"string">\nexpected to be kind_of?\n<Class> but was\n<String>.}) { + assert_kind_of(Class, "string") + } + check_fails(%Q{failed assert_kind_of.\n<"string">\nexpected to be kind_of?\n<Class> but was\n<String>.}) { + assert_kind_of(Class, "string", "failed assert_kind_of") + } + end + + def test_assert_match + check_nothing_fails { + assert_match(/strin./, "string") + } + check_nothing_fails { + assert_match("strin", "string") + } + check_nothing_fails { + assert_match(/strin./, "string", "successful assert_match") + } + check_nothing_fails { + assert_match(/strin./, "string", "successful assert_match") + } + check_fails(%Q{<"string"> expected to be =~\n</slin./>.}) { + assert_match(/slin./, "string") + } + check_fails(%Q{<"string"> expected to be =~\n</strin\\./>.}) { + assert_match("strin.", "string") + } + check_fails(%Q{failed assert_match.\n<"string"> expected to be =~\n</slin./>.}) { + assert_match(/slin./, "string", "failed assert_match") + } + end + + def test_assert_same + thing = "thing" + check_nothing_fails { + assert_same(thing, thing) + } + check_nothing_fails { + assert_same(thing, thing, "successful assert_same") + } + check_nothing_fails { + assert_same(thing, thing, "successful assert_same") + } + thing2 = "thing" + check_fails(%Q{<"thing">\nwith id <#{thing.__id__}> expected to be equal? to\n<"thing">\nwith id <#{thing2.__id__}>.}) { + assert_same(thing, thing2) + } + check_fails(%Q{failed assert_same.\n<"thing">\nwith id <#{thing.__id__}> expected to be equal? to\n<"thing">\nwith id <#{thing2.__id__}>.}) { + assert_same(thing, thing2, "failed assert_same") + } + end + + def test_assert_nothing_raised + check_nothing_fails { + assert_nothing_raised { + 1 + 1 + } + } + check_nothing_fails { + assert_nothing_raised("successful assert_nothing_raised") { + 1 + 1 + } + } + check_nothing_fails { + assert_nothing_raised("successful assert_nothing_raised") { + 1 + 1 + } + } + check_nothing_fails { + begin + assert_nothing_raised(RuntimeError, StandardError, Comparable, "successful assert_nothing_raised") { + raise ZeroDivisionError.new("ArgumentError") + } + rescue ZeroDivisionError + end + } + check_fails("Should expect a class of exception, Object.\n<false> is not true.") { + assert_nothing_raised(Object) { + 1 + 1 + } + } + check_fails(%r{\AException raised:\nClass: <RuntimeError>\nMessage: <"Error">\n---Backtrace---\n.+\n---------------\Z}m) { + assert_nothing_raised { + raise "Error" + } + } + check_fails(%r{\Afailed assert_nothing_raised\.\nException raised:\nClass: <RuntimeError>\nMessage: <"Error">\n---Backtrace---\n.+\n---------------\Z}m) { + assert_nothing_raised("failed assert_nothing_raised") { + raise "Error" + } + } + check_fails(%r{\AException raised:\nClass: <RuntimeError>\nMessage: <"Error">\n---Backtrace---\n.+\n---------------\Z}m) { + assert_nothing_raised(StandardError, RuntimeError) { + raise "Error" + } + } + check_fails("Failure.") do + assert_nothing_raised do + flunk("Failure") + end + end + end + + def test_flunk + check_fails("Flunked.") { + flunk + } + check_fails("flunk message.") { + flunk("flunk message") + } + end + + def test_assert_not_same + thing = "thing" + thing2 = "thing" + check_nothing_fails { + assert_not_same(thing, thing2) + } + check_nothing_fails { + assert_not_same(thing, thing2, "message") + } + check_fails(%Q{<"thing">\nwith id <#{thing.__id__}> expected to not be equal? to\n<"thing">\nwith id <#{thing.__id__}>.}) { + assert_not_same(thing, thing) + } + check_fails(%Q{message.\n<"thing">\nwith id <#{thing.__id__}> expected to not be equal? to\n<"thing">\nwith id <#{thing.__id__}>.}) { + assert_not_same(thing, thing, "message") + } + end + + def test_assert_not_equal + check_nothing_fails { + assert_not_equal("string1", "string2") + } + check_nothing_fails { + assert_not_equal("string1", "string2", "message") + } + check_fails(%Q{<"string"> expected to be != to\n<"string">.}) { + assert_not_equal("string", "string") + } + check_fails(%Q{message.\n<"string"> expected to be != to\n<"string">.}) { + assert_not_equal("string", "string", "message") + } + end + + def test_assert_no_match + check_nothing_fails{assert_no_match(/sling/, "string")} + check_nothing_fails{assert_no_match(/sling/, "string", "message")} + check_fails(%Q{The first argument to assert_no_match should be a Regexp.\n<"asdf"> expected to be an instance of\n<Regexp> but was\n<String>.}) do + assert_no_match("asdf", "asdf") + end + check_fails(%Q{</string/> expected to not match\n<"string">.}) do + assert_no_match(/string/, "string") + end + check_fails(%Q{message.\n</string/> expected to not match\n<"string">.}) do + assert_no_match(/string/, "string", "message") + end + end + + def test_assert_throws + check_nothing_fails { + assert_throws(:thing, "message") { + throw :thing + } + } + check_fails("message.\n<:thing> expected to be thrown but\n<:thing2> was thrown.") { + assert_throws(:thing, "message") { + throw :thing2 + } + } + check_fails("message.\n<:thing> should have been thrown.") { + assert_throws(:thing, "message") { + 1 + 1 + } + } + end + + def test_assert_nothing_thrown + check_nothing_fails { + assert_nothing_thrown("message") { + 1 + 1 + } + } + check_fails("message.\n<:thing> was thrown when nothing was expected.") { + assert_nothing_thrown("message") { + throw :thing + } + } + end + + def test_assert_operator + check_nothing_fails { + assert_operator("thing", :==, "thing", "message") + } + check_fails(%Q{<0.15>\ngiven as the operator for #assert_operator must be a Symbol or #respond_to?(:to_str).}) do + assert_operator("thing", 0.15, "thing") + end + check_fails(%Q{message.\n<"thing1"> expected to be\n==\n<"thing2">.}) { + assert_operator("thing1", :==, "thing2", "message") + } + end + + def test_assert_respond_to + check_nothing_fails { + assert_respond_to("thing", :to_s, "message") + } + check_nothing_fails { + assert_respond_to("thing", "to_s", "message") + } + check_fails("<0.15>\ngiven as the method name argument to #assert_respond_to must be a Symbol or #respond_to?(:to_str).") { + assert_respond_to("thing", 0.15) + } + check_fails("message.\n<:symbol>\nof type <Symbol>\nexpected to respond_to?<:non_existent>.") { + assert_respond_to(:symbol, :non_existent, "message") + } + end + + def test_assert_in_delta + check_nothing_fails { + assert_in_delta(1.4, 1.4, 0) + } + check_nothing_fails { + assert_in_delta(0.5, 0.4, 0.1, "message") + } + check_nothing_fails { + float_thing = Object.new + def float_thing.to_f + 0.2 + end + assert_in_delta(0.1, float_thing, 0.1) + } + check_fails("message.\n<0.5> and\n<0.4> expected to be within\n<0.05> of each other.") { + assert_in_delta(0.5, 0.4, 0.05, "message") + } + check_fails(%r{The arguments must respond to to_f; the first float did not\.\n<.+>\nof type <Object>\nexpected to respond_to\?<:to_f>.}) { + assert_in_delta(Object.new, 0.4, 0.1) + } + check_fails("The delta should not be negative.\n<-0.1> expected to be\n>=\n<0.0>.") { + assert_in_delta(0.5, 0.4, -0.1, "message") + } + end + + def test_assert_send + object = Object.new + class << object + private + def return_argument(argument, bogus) + return argument + end + end + check_nothing_fails { + assert_send([object, :return_argument, true, "bogus"], "message") + } + check_fails(%r{\Amessage\.\n<.+> expected to respond to\n<return_argument\(\[false, "bogus"\]\)> with a true value.\Z}) { + assert_send([object, :return_argument, false, "bogus"], "message") + } + end + + def test_condition_invariant + object = Object.new + def object.inspect + @changed = true + end + def object.==(other) + @changed ||= false + return (!@changed) + end + check_nothing_fails { + assert_equal(object, object, "message") + } + end + + def add_failure(message, location=caller) + if (!@catch_assertions) + super + end + end + + def add_assertion + if (!@catch_assertions) + super + else + @actual_assertion_count += 1 + end + end + end + end +end |