我正在尝试使用OCMock,但到目前为止,我的简单实验失败了。给定我要模拟的这个实验课:
@interface HTTPConnection : NSObject <NSURLConnectionDelegate>
@property (strong, nonatomic) NSURLConnection *connection;
-(int) makeConnection:(NSString*) url; // implementation returns 5
@end
当我调用以下测试用例时,结果变量包含5而不是15,因此调用的是真实对象方法,而不是模拟对象方法:
- (void)testExample
{
id connection = [OCMockObject mockForClass:[HTTPConnection class]];
[[[connection stub] andReturn: [NSNumber numberWithInt: 15]] makeConnection:[OCMArg any]];
HTTPConnection* realConnection = [[HTTPConnection alloc] init];
int result = [realConnection makeConnection:@"http://www.anything.com"];
}
首先,要存根该方法,我不确定是否返回NSNumber工作,所以我会使用以下代码:
id connection = [OCMockObject mockForClass:[HTTPConnection class]];
int value = 15;
[[[connection stub] andReturnValue:OCMOCK_VALUE(value)] makeConnection:[OCMArg any]];
第二,在代码中,当您执行[realConnection makeConnection:@"http://www.anything.com"]
时,您不是调用存根方法,而是调用真正的实现。您应该使用您的模拟对象:
int result = [connection makeConnection:@"http://www.anything.com"];
或者,如果您想要部分模拟(在我看来,这就是您正在寻找的):
HTTPConnection* realConnection = [[HTTPConnection alloc] init];
id partialConnection = [OCMockObject partialMockForObject:realConnection];
int value = 15;
[[[partialConnection stub] andReturnValue:OCMOCK_VALUE(value)] makeConnection:[OCMArg any]];
int result = [realConnection makeConnection:@"http://www.anything.com"];