Combination Tests

CombinationsTest.m

- (void)testCacheSnapshotCombinations {
    for (int i = 0; i < 32; i++) {
        @autoreleasepool {
            //Given:
            UIImage *snapshotImage = [UIImage new];
            id image = OCMClassMock([UIImage class]);
            OCMStub([image imageForView:OCMOCK_ANY]).andReturn(snapshotImage);
            
            if (i & (1 << 0)) {
                self.sut.bounds = CGRectMake(0, 0, 123, 456);
            } else {
                self.sut.bounds = CGRectZero;
            }
            if (i & (1 << 1)) {
                self.sut.attributedText = [[NSAttributedString alloc] init];
            } else {
                self.sut.attributedText = nil;
            }
            if (i & (1 << 2)) {
                self.sut.rawText = @"This is raw text";
            } else {
                self.sut.rawText = @""; // or empty
            }
            if (i & (1 << 3)) {
                OCMStub([self.cacher cachedImageForParameter:OCMOCK_ANY]).andReturn(nil);
            } else {
                OCMStub([self.cacher cachedImageForParameter:OCMOCK_ANY]).andReturn(snapshotImage);
            }
            if (i & (1 << 4)) {
                OCMStub([self.service hasEmojisForString:OCMOCK_ANY]).andReturn(YES);
            } else {
                OCMStub([self.service hasEmojisForString:OCMOCK_ANY]).andReturn(NO);
            }

            if (i != 31) {
                OCMReject([image imageForView:OCMOCK_ANY]);
                OCMReject([self.cacher cacheImage:OCMOCK_ANY forParameter:OCMOCK_ANY]);
            }
            
            //When:
            [self.sut cacheSnapshot];
            
            //Then:
            if (i == 31) {
                OCMVerify([image imageForView:self.sut]);
                OCMVerify([self.cacher cacheImage:snapshotImage forParameter:OCMOCK_ANY]);
            }
            
            [image stopMocking];
        }
        [self tearDown];
        [self setUp];
        
    }
}