Test techniques for iOS app using Web API

My presentation at Consumer Service Engineer MeetUp Vol.1　~iOS編~ (http://eventdots.jp/event/47442)

Transcript

1. Web APIΛར༻͢Δ iOSΞϓϦͷςετٕ๏
3. cockscomb
4. id:cockscomb ΞϓϦέʔγϣϯΤϯδχΞ iOSΞϓϦɾWebΞϓϦέʔγϣϯ Perl, JavaScript, Objective-C ͸ͯͳϒϩάνʔϜ WWDC 2014
5. ͸ͯͳϒϩά Presso B!KUMA Ψʔϧζ
6. ͸ͯͳαϚʔΠϯλʔϯ Web APIΛར༻͢ΔiOSΞϓϦ࡞੒
7. –id:murakaming “iOS ଆͬ͟ͱݟ͚ͨͲɺ͜͏͍͏ حྷͳίʔυ͕খ͍͞αϯϓϧͰͳ͘ Ұࣜἧ͍ͬͯΔͷ͸ຊ౰ʹوॏͩ͠ ༗Γ೉͗͢Δɻ”
8. –id:griffin-stewie “ͦΕͳΓʹ࣮ઓܦݧ͕͋ΔਓͰ΋ ΍ͬͯͳͦ͞͏ͩͬͨΓ஌Βͳͦ͏ͳ͜ͱΛ αϥοͱݟͤͯ͘Ε͍ͯΔ”
9. Web APIΛར༻͢Δ iOSΞϓϦͷςετٕ๏
10. Web API JSON REST·ͨ͸Appઐ༻ APIόʔδϣϯ
11. API is living
12. ੜ͖͍ͯΔAPIͷͨΊͷ ςετ
13. ԿΛςετ͢Δͷ͔ ظ଴Ͳ͓ΓͷHTTP request͕ൃߦ͞ΕΔ URL (ϗετ΍ύεɺΫΤϦ) HTTP method, header, body ༷ʑͳHTTP responseʹର͢Δ;Δ·͍ Τϥʔ͕ى͖ͨͱ͖
14. ಓ۩ • OHHTTPStubs • NTLHTTPStubServer
15. OHHTTPStubs • HTTPͷ௨৴Λstub͢Δ • NSURLProtocolΛར༻͍ͯ͠Δ
16. __block APIClient *client; __block NSURLRequest *lastRequest; __block OHHTTPStubsResponse *preferredResponse; ! beforeAll(^{ client = [APIClient sharedClient]; ! [OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest *request) { if ( [request.HTTPMethod isEqual:@"GET"] && [request.URL.host isEqual:@"example.com"] && [request.URL.path isEqual:@"/api/entries.json"] ) { lastRequest = request; return YES; } return NO; } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) { return preferredResponse; }]; }); ! afterEach(^{ lastRequest = nil; preferredResponse = nil; }); ! afterAll(^{ [OHHTTPStubs removeAllStubs]; });
17. [OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest *request) { if ( [request.HTTPMethod isEqual:@"GET"] && [request.URL.host isEqual:@"example.com"] && [request.URL.path isEqual:@"/api/entries.json"] ) { lastRequest = request; return YES; } return NO; } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) { return preferredResponse; }];
18. NSString *userAgent = lastRequest.allHTTPHeaderFields[@"User-Agent"]; expect([userAgent hasPrefix:@"BKUMAGirls"]).to.beTruthy(); ! ! NSURL *URL = lastRequest.URL; NSDictionary *query = [CMDQueryStringSerialization dictionaryWithQueryString:URL.query]; ! expect(query[@"entry_id"]).to.equal(@"1234567890");
19. preferredResponse = [OHHTTPStubsResponse responseWithFileAtPath: OHPathForFileInBundle(@"entries.json", nil) statusCode:200 headers:@{ @"Content-Type" : @"application/json", }]; ! ! preferredResponse = [OHHTTPStubsResponse responseWithJSONObject:@{ @"test" : @"ok", } statusCode:200 headers:@{ @"Content-Type" : @"application/json", }]; ! ! preferredResponse = [OHHTTPStubsResponse responseWithError: [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorNetworkConnectionLost userInfo:nil]];
20. OHHTTPStubs • HTTP requestͷ༷ࢠΛݟΔ͜ͱ͕Ͱ͖Δ • ೚ҙͷHTTP responseΛฦ͢͜ͱ͕Ͱ͖Δ • ΤϥʔΛൃੜͤ͞ΒΕΔ • HTTP body͸औಘͰ͖ͳ͍
21. NLTHTTPStubServer • ΞϓϦͷ಺෦ͰαʔόʔΛಈ͔͢ • CocoaHTTPServerΛར༻ • http://localhost:12345/
22. #if defined(UNIT_TEST) static NSString *const kAPIRootURLString = @"http://localhost:12345/"; #else static NSString *const kAPIRootURLString = @"http://example.com/"; #endif
23. __block NLTHTTPStubServer *server; __block APIClient *client; ! beforeAll(^{ server = [[NLTHTTPStubServer alloc] init]; [server startServer]; client = [APIClient sharedClient]; }); ! afterAll(^{ [server stopServer]; }); ! afterEach(^{ [server clear]; });
24. [[[[server expect] forPath:@"/api/bookmarks.json" HTTPMethod:@"POST"] andCheckPostBody:^(NSData *postBody) { ! NSString *body = [[NSString alloc] initWithData:postBody encoding:NSUTF8StringEncoding]; ! NSDictionary *parameters = [CMDQueryStringSerialization dictionaryWithQueryString:body]; ! expect(parameters[@"entry_id"]).to.equal(@"1234567890"); ! }] andPlainResponse:[@"1" dataUsingEncoding:NSUTF8StringEncoding]]; ! ... ! [server verify];
25. NLTHTTPStubServer • ࣮ࡍͷαʔόʔͱͯ͠ৼΔ෣͏ • ೚ҙͷHTTP responseΛฦ͢͜ͱ͕Ͱ͖Δ • HTTP bodyͷ༷ࢠΛݟΔ͜ͱ͕Ͱ͖Δ • Τϥʔ͸ൃੜͤ͞ΒΕͳ͍ • HTTP request͸Ұ෦औಘͰ͖ͳ͍
26. ಓ۩ • OHHTTPStubs • NTLHTTPStubServer
27. ςετͷϝϦοτ • ࣗ༝ͳHTTP response͕࡞ΕΔ • ࣮ࡍʹαʔόʔʹrequest͠ͳͯ͘Α͍ • αʔόʔαΠυͷ࣮૷Λ଴ͭඞཁ͕ͳ͍ • αʔόʔαΠυͷมߋΛࣄલʹࢼͤΔ • ͍͖ͳΓյΕΔͷΛ๷͛Δ
28. ςετ is ศར
30. PR
31. [PR] ৽αʔϏε΍Γ·͢ https://mackerel.io/ ϕʔλϢʔβʔ ࣄલड෇த!!
32. ੵۃ࠾༻த http://hatenacorp.jp/recruit/