My unit test environment for Objective-C

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࠷ۙɺςετίʔυ؀ڥ ͲΜͳ͔Μ͡Ͱ͔͢ʁ ΅͘͸͜Μͳ͔Μ͡Ͱ͢ɻ ॴ ༑ଠ @tokorom iOS App Programer These are “not” conﬁdential sessions—please “not” refrain from blogging, or taking pictures Yokohama iPhone Developers #14

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Agenda • ඇಉظॲཧͷςετ • matcher •ͦͷଞϥΠϒϥϦ • CUI & Guard •ίʔυΧόϨοδ •CI

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લఏ৚݅ • ඪ४ͷXCTestϑϨʔϜϫʔΫΛ࢖͏͜ͱ • Command + U Ͱςετ࣮ߦ & Xcode୯ମͰ΋ ςετ݁Ռ͕֬ೝͰ͖Δ͜ͱ • ͜ͷൣғͰ֎෦ϥΠϒϥϦͷར༻Λڐ༰

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ඇಉظॲཧͷςετ

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GHUnit - (void)testExample { [self prepare]; __block NSString *response = nil; [self requestGetAsyncronous:^(id res, NSError *error) { response = res; if (error) { [self notify:kGHUnitWaitStatusSuccess]; } else { [self notify:kGHUnitWaitStatusFailure]; } }]; [self waitForStatus:kGHUnitWaitStatusSuccess timeout:10.0]; XCTAssertEqualObjects(response, @“OK!”); }

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GHUnit • GHAsyncTestCase •̎೥લ͘Β͍͸σϑΝΫτελϯμʔυ • ͦͷࠒ͔Β͋·ΓUpdate͞Εͣ࠷৽ͷXcode & iOSͰ࢖͑ͳ͍ঢ়گ͕ଓ͘͜ͱ΋͋ͬͨ •ݱࡏ͸ x2on ͞Μ͕͕Μ͹ͬͯXcode 5 & iOS 7 Ͱ΋ಈ͘໛༷

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ΦϨΦϨAsyncTestCase • ݱࡏͷσϑΝΫτʁ • ࣗ෼΋͍ͭઌ೔·ͰίϨ •ϝϦοτ •GHUnitͱಉ͡ײ֮Ͱ࢖͑Δ • σϝϦοτ •ΦϨΦϨͰ͍͍ͷ͔ʁ • ਌Ϋϥε͕ݶఆ͞ΕΔͷ͕௧͍ •Rubyist͔Βμα͍ͬͯݴΘΕͨ

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will @ Expecta - (void)testExample { __block NSString *response = nil; [self requestGetAsyncronous:^(id res, NSError *error) { response = res; }]; expect(response).will.equal(@“OK!”); }

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will @ Expecta •ྑ͍ͱ͜Ζ •ίʔυྔ͕ܶతʹݮΔ •਌Ϋϥε͕റΒΕͳ͍ •Rubyist΋ೲಘ •ѱ͍ͱ͜Ζ •matcherʹΑͬͯ͸ରԠͯ͠ͳ͍ •match͠ͳ͍ͱλΠϜΞ΢τ·Ͱ଴ͭ •matcher͕࿈ଓ͢Δ৔߹Ͳ͏ॻ͘?໰୊

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RubyMotion it 'should be xxx' do some_method_with_block {|some_data| @data = some_data resume } wait_max 1.0 do @data.should.equal ‘OK!’ end end

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͜͏͍͏ͷ͕ཧ૝ •RubyMotionελΠϧͷObjective-C൛ •wait & resume Ͱγϯϓϧʹ •wait΋ExpectaΈ͍ͨʹλΠϜΞ΢τઃఆΛলུՄ •match͠ͳͯ͘΋଴ͨ͞Εͳ͍

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࡞ͬͨΑʂ - (void)testExample { __block NSString *response = nil; [self requestGetAsyncronous:^(id res, NSError *error) { response = res; RESUME; }]; WAIT; XCTAssertEqualObjects(response, @“OK!”); }

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TKRGuard •ձࣾͰطʹ࣮༻Խ •waitͷೖΕࢠ΋Մೳ •GHUnitͷΑ͏ͳnotifyϞʔυ΋࣮૷༧ఆ •Macroݏ͍ͳਓ͸SHORTHANDϞʔυΛOﬀʹ͠ ͯͶ https://github.com/tokorom/TKRGuard

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matcher

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matcher •matcherʹ͍ͭͯ͸XCTAssertsͰ΋ͳΜͱ͔ͳ Γͦ͏ •΅͘͸Expecta͕޷ΈͰ͢

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XCTAsserts int i1 = 100; NSInteger i2 = 100; NSNumber *number = @100; NSString *string = @"OK"; ! XCTAssertEqual(i1, 100); XCTAssertEqual((int)i2, 100); XCTAssertEqualObjects(number, @100); XCTAssertEqualObjects(string, @"OK");

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OCHamcrest int i1 = 100; NSInteger i2 = 100; NSNumber *number = @100; NSString *string = @"OK"; assertThatInt(i1, equalToInt(100)); assertThatInteger(i2, equalToInteger(100)); assertThat(number, equalTo(@100)); assertThat(string, equalTo(@"OK"));

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Expecta int i1 = 100; NSInteger i2 = 100; NSNumber *number = @100; NSString *string = @"OK"; expect(i1).to.equal(100); expect(i2).to.equal(100); expect(number).to.equal(@100); expect(string).to.equal(@"OK");

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ςετࣦഊ࣌ͷΨΠυ • XCTAsserts •("OK") is not equal to ("NG") •(([number isKindOfClass:[NSString class]]) is true) failed • OCHamcrest •Expected "NG", but was "OK" •Expected an instance of NSString, but was __NSCFNumber instance <100> •Expecta •expected: NG, got: OK •expected: a kind of NSString, got: an instance of __NSCFNumber, which is not a kind of NSString

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ͦͷଞϥΠϒϥϦ

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ͦͷଞ࢖͍ͬͯΔϥΠϒϥϦ • OCMock •ಛఆͷςετͷͱ͖ʹڧ੍తʹΤϥʔΛฦ ͍ͨ͠ͱ͔ݩͷιʔεΛ͍͡Βͣʹςετ ༻ʹڍಈΛม͑ΒΕΔ •andDo ͱ͔ศརʂ • OHHTTPStubs •࣮ࡍʹ௨৴ͤͣ͞ʹςετ༻ͷσʔλʹࠩ ͠ସ͑Δͷ͕؆୯

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CUI & Guard

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Xcode 4.x xcodebuild \ -project $(PROJECT) \ -target $(TEST_TARGET) \ -sdk iphonesimulator \ -configuration Debug \ TEST_AFTER_BUILD=YES \ TEST_HOST=

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Xcode 5.x xcodebuild test \ -scheme $(SCHEME) \ -destination $(DESTINATION)

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Guard

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Guard require 'guard/plugin' ! module ::Guard class InlineGuard < ::Guard::Plugin SCHEME = 'Tests' DESTINATION = 'platform=iOS Simulator,name=iPhone Retina (3.5-inch),OS=7.0' COMMAND = "xcodebuild test -scheme #{SCHEME} -destination '#{DESTINATION}'" def run_all system(COMMAND) end def run_on_changes(paths) run_all end end end ! guard :inline_guard do watch /.*\.[mh]$/ end

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xcpretty (xctoolېࢭલఏͰʣ

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xcpretty gem install xcpretty ! xcodebuild test \ -scheme $(SCHEME) \ -destination $(DESTINATION) \ | xcpretty -c

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ฤूதͷςετ͚࣮ͩߦ͍ͨ͠ • xctoolΛ࢖͑͹Ͱ͖Δ͚Ͳ… •xcodebuild୯ମͰ͸Ͱ͖ͳ͍ͬΆ͍ •xctestίϚϯυͰ࣮ݱՄೳͬΆ͍͕·ͩௐࠪத •xctest·Ͱͷͭͳ͗ͱͯ͠xcodebuild୯ମͰ΋ Ͱ͖ΔϥΠϒϥϦΛ࡞ͬͨ

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TKRSpecificTest xcodebuild test \ -scheme $(SCHEME) \ -destination $(DESTINATION) \ GCC_PREPROCESSOR_DEFINITIONS='TEST_ONLY=\"TestCase\"'

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ίʔυΧόϨοδ

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ίʔυΧόϨοδ

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xxx.gcno & xxx.gcda GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES \ GCC_GENERATE_TEST_COVERAGE_FILES=YES !

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Xcode 5 & iOS 7 •gcda͕ग़ྗ͞Εͳ͍ʂʁ

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Xcode 5 & iOS 7 extern void __gcov_flush(void); __gcov_flush();

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XCTestObserver

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XCTestObserver NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject:@"XCTestLog,XXXObserver" forKey:XCTestObserverClassKey]; [defaults synchronize];

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XCTestObserver @interface XXXObserver : XCTestObserver @end ! @implementation XXXObserver - (void)stopObserving { [super stopObserving]; extern void __gcov_flush(void); __gcov_flush(); } ! @end

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՝୊ • ී௨ʹ΍Δͱ gcda ͕ग़ྗ͞Εͣ •_gcov_flush() ͢Δͱ gcno ͕ग़ྗ͞Εͣ •ݱঢ়ɺී௨ʹtestɺ_gcov_flush()෇͖Ͱtestͷ̎ ஈߏ੒Ͱ΍͍ͬͯΔʢແବʣ

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σʔλͷ഑෍ • ͜ͷKeynote •=> Speaker DeckʹΞοϓ͠·͢ • αϯϓϧίʔυ •https://github.com/tokorom/CompareObjcMatcher •https://github.com/tokorom/ ReplaceImageCategoryForXcode •https://github.com/tokorom/TKRGuard •https://github.com/tokorom/TKRSpecificTest !

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More Information Yuta ToKoRo! iOS App Programer! @tokorom! ! http://www.tokoro.me/