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firebase-ios-sdk/FirebaseAppDistribution/Tests/Unit/FIRFADApiServiceTests.m
T
Ryan Wilson a60866383f Add AppDistribution to SwiftPM. (#7045) 
* Add AppDistribution to SwiftPM.

Tests aren't ported yet due to an import OCMock issue.

* Embed public headers in correct directory

* Fix podspec

* Fixed new header imports.

* Add beta designation to SwiftPM name.

* Enable testing for AppDistro in SwiftPM

* Style

* Style

* Added changelog

* Add unit test scheme.
2020-12-02 11:51:29 -05:00

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//
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import <Foundation/Foundation.h>
#import <XCTest/XCTest.h>
#import "OCMock.h"
#import "FirebaseAppDistribution/Sources/FIRFADApiService.h"
#import "FirebaseAppDistribution/Sources/FIRFADLogger.h"
#import "FirebaseCore/Sources/Private/FirebaseCoreInternal.h"
#import "FirebaseInstallations/Source/Library/Private/FirebaseInstallationsInternal.h"
NSString *const kFakeErrorDomain = @"test.failure.domain";
@interface FIRFADApiServiceTests : XCTestCase
@end
@interface FIRFADApiService (PrivateUnitTesting)
+ (NSString *)tryParseGoogleAPIErrorFromResponse:(NSData *)data;
@end
@implementation FIRFADApiServiceTests {
id _mockFIRAppClass;
id _mockURLSession;
id _mockFIRInstallations;
id _mockInstallationToken;
NSString *_mockAuthToken;
NSString *_mockInstallationId;
NSString *_mockAPINotEnabledMessage;
NSDictionary *_mockReleases;
NSDictionary *_mockAPINotEnabledResponse;
}
- (void)setUp {
[super setUp];
_mockFIRAppClass = OCMClassMock([FIRApp class]);
_mockURLSession = OCMClassMock([NSURLSession class]);
_mockFIRInstallations = OCMClassMock([FIRInstallations class]);
_mockInstallationToken = OCMClassMock([FIRInstallationsAuthTokenResult class]);
_mockAuthToken = @"this-is-an-auth-token";
OCMStub([_mockFIRAppClass defaultApp]).andReturn(_mockFIRAppClass);
OCMStub([_mockURLSession sharedSession]).andReturn(_mockURLSession);
OCMStub([_mockFIRInstallations installations]).andReturn(_mockFIRInstallations);
OCMStub([_mockInstallationToken authToken]).andReturn(_mockAuthToken);
_mockInstallationId = @"this-id-is-fake-ccccc";
_mockReleases = @{
@"releases" : @[
@{
@"displayVersion" : @"1.0.0",
@"buildVersion" : @"111",
@"releaseNotes" : @"This is a release",
@"downloadURL" : @"http://faketyfakefake.download"
},
@{
@"latest" : @YES,
@"displayVersion" : @"1.0.1",
@"buildVersion" : @"112",
@"releaseNotes" : @"This is a release too",
@"downloadURL" : @"http://faketyfakefake.download"
}
]
};
_mockAPINotEnabledMessage =
@"This is a long message about what's happening. This is a fake message from the Firebase "
@"App Testers API in project 123456789. This should be logged.";
_mockAPINotEnabledResponse = @{
@"error" : @{
@"code" : @403,
@"message" : _mockAPINotEnabledMessage,
@"status" : @"PERMISSION_DENIED",
@"details" : @[ @{
@"type" : @"type.fakeapis.com/appdistro.api.Help",
@"links" : @[ @{
@"description" : @"this is a short statement about enabling the api",
@"url" : @"this should be a link"
} ],
} ],
}
};
}
- (void)tearDown {
[super tearDown];
[_mockFIRAppClass stopMocking];
[_mockFIRInstallations stopMocking];
[_mockInstallationToken stopMocking];
[_mockURLSession stopMocking];
}
- (void)mockInstallationAuthCompletion:(FIRInstallationsAuthTokenResult *_Nullable)token
error:(NSError *_Nullable)error {
[OCMStub([_mockFIRInstallations authTokenWithCompletion:OCMOCK_ANY])
andDo:^(NSInvocation *invocation) {
void (^handler)(FIRInstallationsAuthTokenResult *_Nullable authTokenResult,
NSError *_Nullable error);
[invocation getArgument:&handler atIndex:2];
handler(token, error);
}];
}
- (void)verifyInstallationAuthCompletion {
OCMVerify([_mockFIRInstallations authTokenWithCompletion:[OCMArg isNotNil]]);
}
- (void)rejectInstallationAuthCompletion {
OCMReject([_mockFIRInstallations authTokenWithCompletion:[OCMArg isNotNil]]);
}
- (void)mockInstallationIdCompletion:(NSString *_Nullable)identifier
error:(NSError *_Nullable)error {
[OCMStub([_mockFIRInstallations installationIDWithCompletion:OCMOCK_ANY])
andDo:^(NSInvocation *invocation) {
void (^handler)(NSString *identifier, NSError *_Nullable error);
[invocation getArgument:&handler atIndex:2];
handler(identifier, error);
}];
}
- (void)verifyInstallationIdCompletion {
OCMVerify([_mockFIRInstallations installationIDWithCompletion:[OCMArg isNotNil]]);
}
- (void)rejectInstallationIdCompletion {
OCMReject([_mockFIRInstallations installationIDWithCompletion:[OCMArg isNotNil]]);
}
- (void)mockUrlSessionResponse:(NSDictionary *)dictionary
response:(NSURLResponse *)response
error:(NSError *)error {
NSData *data = [NSJSONSerialization dataWithJSONObject:dictionary options:0 error:&error];
[self mockUrlSessionResponseWithData:data response:response error:error];
}
- (void)mockUrlSessionResponseWithData:(NSData *)data
response:(NSURLResponse *)response
error:(NSError *)error {
[OCMStub([_mockURLSession dataTaskWithRequest:[OCMArg any]
completionHandler:[OCMArg any]]) andDo:^(NSInvocation *invocation) {
void (^handler)(NSData *data, NSURLResponse *response, NSError *error);
[invocation getArgument:&handler atIndex:3];
handler(data, response, error);
}];
}
- (void)verifyUrlSessionResponseWithData {
OCMVerify([_mockURLSession dataTaskWithRequest:[OCMArg isNotNil]
completionHandler:[OCMArg isNotNil]]);
}
- (void)rejectUrlSessionResponseWithData {
OCMReject([_mockURLSession dataTaskWithRequest:[OCMArg isNotNil]
completionHandler:[OCMArg isNotNil]]);
}
- (void)testTryParseGoogleAPIErrorFromResponseSuccess {
NSData *data = [NSJSONSerialization dataWithJSONObject:_mockAPINotEnabledResponse
options:0
error:nil];
NSString *message = [FIRFADApiService tryParseGoogleAPIErrorFromResponse:data];
XCTAssertTrue([message isEqualToString:_mockAPINotEnabledMessage]);
}
- (void)testTryParseGoogleAPIErrorFromNilResponse {
NSString *message = [FIRFADApiService tryParseGoogleAPIErrorFromResponse:nil];
XCTAssertTrue([message isEqualToString:@"No data in response."]);
}
- (void)testTryParseGoogleAPIErrorFromResponseParseFailure {
NSData *data = [@"malformed{json[data" dataUsingEncoding:NSUTF8StringEncoding];
NSString *message = [FIRFADApiService tryParseGoogleAPIErrorFromResponse:data];
XCTAssertTrue(
[message isEqualToString:@"Could not parse additional details about this API error."]);
}
- (void)testTryParseGoogleAPIErrorFromResponseNoErrorFailure {
NSDictionary *errorDictionary = @{@"message" : @"This has no subdict"};
NSData *data = [NSJSONSerialization dataWithJSONObject:errorDictionary options:0 error:nil];
NSString *message = [FIRFADApiService tryParseGoogleAPIErrorFromResponse:data];
XCTAssertTrue(
[message isEqualToString:@"Could not parse additional details about this API error."]);
}
- (void)testTryParseGoogleAPIErrorFromResponseNoMessageFailure {
NSDictionary *errorDictionary = @{@"error" : @{@"status" : @"This has no message"}};
NSData *data = [NSJSONSerialization dataWithJSONObject:errorDictionary options:0 error:nil];
NSString *message = [FIRFADApiService tryParseGoogleAPIErrorFromResponse:data];
XCTAssertTrue(
[message isEqualToString:@"Could not parse additional details about this API error."]);
}
- (void)testGenerateAuthTokenWithCompletionSuccess {
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Generate auth token succeeds."];
[FIRFADApiService
generateAuthTokenWithCompletion:^(NSString *_Nullable identifier,
FIRInstallationsAuthTokenResult *_Nullable authTokenResult,
NSError *_Nullable error) {
XCTAssertNotNil(authTokenResult);
XCTAssertNotNil(identifier);
XCTAssertNil(error);
XCTAssertTrue([identifier isEqualToString:self->_mockInstallationId]);
XCTAssertTrue([[authTokenResult authToken] isEqualToString:self->_mockAuthToken]);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
}
- (void)testGenerateAuthTokenWithCompletionAuthTokenFailure {
[self mockInstallationAuthCompletion:nil
error:[NSError errorWithDomain:kFakeErrorDomain
code:1
userInfo:@{}]];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Generate auth token fails to generate auth token."];
[FIRFADApiService
generateAuthTokenWithCompletion:^(NSString *_Nullable identifier,
FIRInstallationsAuthTokenResult *_Nullable authTokenResult,
NSError *_Nullable error) {
XCTAssertNil(identifier);
XCTAssertNil(authTokenResult);
XCTAssertNotNil(error);
XCTAssertEqual(error.code, FIRFADApiTokenGenerationFailure);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self rejectInstallationIdCompletion];
}
- (void)testGenerateAuthTokenWithCompletionIDFailure {
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:nil
error:[NSError errorWithDomain:kFakeErrorDomain
code:1
userInfo:@{}]];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Generate auth token fails to find ID."];
[FIRFADApiService
generateAuthTokenWithCompletion:^(NSString *_Nullable identifier,
FIRInstallationsAuthTokenResult *_Nullable authTokenResult,
NSError *_Nullable error) {
XCTAssertNil(identifier);
XCTAssertNil(authTokenResult);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiInstallationIdentifierError);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
}
- (void)testFetchReleasesWithCompletionSuccess {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(200);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases succeeds with two releases."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(error);
XCTAssertNotNil(releases);
XCTAssertEqual([releases count], 2);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnknownFailure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(200);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases
response:fakeResponse
error:[NSError errorWithDomain:kFakeErrorDomain code:1 userInfo:@{}]];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases fails with unknown error."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual(error.code, FIRApiErrorUnknownFailure);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnauthenticatedFailure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(401);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases fails with unknown error."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual(error.code, FIRFADApiErrorUnauthenticated);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnauthorized400Failure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(400);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a 400."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiErrorUnauthorized);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnauthorized403Failure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(403);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockAPINotEnabledResponse response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a 403."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiErrorUnauthorized);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnauthorized404Failure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(404);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a 404."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiErrorUnauthorized);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionTimeout408Failure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(408);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with 408."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiErrorTimeout);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionTimeout504Failure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(504);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a 504."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRFADApiErrorTimeout);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionUnknownStatusCodeFailure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(500);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:_mockReleases response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a 500."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRApiErrorUnknownFailure);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionNoReleasesFoundSuccess {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(200);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self mockUrlSessionResponse:@{@"releases" : @[]} response:fakeResponse error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a not found exception."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNotNil(releases);
XCTAssertNil(error);
XCTAssertEqual([releases count], 0);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
- (void)testFetchReleasesWithCompletionParsingFailure {
NSHTTPURLResponse *fakeResponse = OCMClassMock([NSHTTPURLResponse class]);
OCMStub([fakeResponse statusCode]).andReturn(200);
[self mockInstallationAuthCompletion:_mockInstallationToken error:nil];
[self mockInstallationIdCompletion:_mockInstallationId error:nil];
[self
mockUrlSessionResponseWithData:[@"malformed{json[data" dataUsingEncoding:NSUTF8StringEncoding]
response:fakeResponse
error:nil];
XCTestExpectation *expectation =
[self expectationWithDescription:@"Fetch releases rejects with a parsing failure."];
[FIRFADApiService
fetchReleasesWithCompletion:^(NSArray *_Nullable releases, NSError *_Nullable error) {
XCTAssertNil(releases);
XCTAssertNotNil(error);
XCTAssertEqual([error code], FIRApiErrorParseFailure);
[expectation fulfill];
}];
[self waitForExpectations:@[ expectation ] timeout:5.0];
[self verifyInstallationAuthCompletion];
[self verifyInstallationIdCompletion];
[self verifyUrlSessionResponseWithData];
OCMVerify([fakeResponse statusCode]);
}
@end
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