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IRWebAPIMockJSONPConnection.j
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IRWebAPIMockJSONPConnection.j
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// IRWebAPIMockJSONPConnection.j
// Evadne Wu at Iridia, 2010
@import <Foundation/CPJSONPConnection.j>
kIRWebAPIMockEndpointGeneralException = @"IRWebAPIMockEndpointGeneralException";
// Notice that we also will probably set a different timeout tolerance for the API engine.
// The timeout here is set for mockup purposes only.
var kIRJSONPMockConnectionTimeoutDefaultTimeInterval = 15.0,
kIRJSONPMockConnectionTimeoutTimeIntervalInfoDictionaryKey = @"IRJSONPMockConnectionTimeoutDefaultTimeInterval",
kIRJSONPMockConnectionTimeoutDefaultProbability = 0.05,
kIRJSONPMockConnectionTimeoutProbabilityInfoDictionaryKey = @"IRJSONPMockConnectionTimeoutProbability";
@implementation IRJSONPMockConnection : CPJSONPConnection {
CPMutableDictionary requestHandlers;
// Simulated timeout
CPTimeInterval simulatedTimeoutInterval;
float simulatedTimeoutProbability;
// Simulated error
Object simulatedErroneousResponse;
float simulatedErroneousResponseProbability;
}
- (IRWebAPIMockJSONPConnection) initWithRequest:(CPURLRequest)aRequest callback:(CPString)aString delegate:(id)aDelegate startImmediately:(BOOL)shouldStartImmediately {
if (shouldStartImmediately)
[CPException raise:kIRWebAPIMockEndpointGeneralException reason:[CPString stringWithFormat:@"To use a mocked connection, startImmediately must be set to false because it works with the monkey-patched connection.methodName property."]];
self = [super initWithRequest:aRequest callback:aString delegate:aDelegate startImmediately:NO];
var infoDict = [[CPBundle mainBundle] infoDictionary];
simulatedTimeoutInterval = [infoDict objectForKey:kIRJSONPMockConnectionTimeoutTimeIntervalInfoDictionaryKey] || kIRJSONPMockConnectionTimeoutDefaultTimeInterval;
simulatedTimeoutProbability = [infoDict objectForKey:kIRJSONPMockConnectionTimeoutProbabilityInfoDictionaryKey] || kIRJSONPMockConnectionTimeoutDefaultProbability;
return self;
}
- (void) start {
CPLog(@"self.methodName is %@", self.methodName);
if ([self shouldSimulateFailure]) {
CPLog(@"Simulating a connection failure");
} else {
CPLog(@"Simulating a successful connection");
}
}
- (void) mockRequestNamed:(CPString)requestName withHandler:(Function)handler {
if ([requestHandlers objectForKey:requestName] !== nil)
[CPException raise:kIRWebAPIMockEndpointGeneralException reason:[CPString stringWithFormat:@"Mock handler for request named %@ already exists", requestName]];
[requestHandlers addObject:handler forKey:requestName];
}
- (BOOL) shouldSimulateFailure {
if (Math.random() < simulatedTimeoutProbability) return YES;
return NO;
}
@end