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/***********************************************************************************
*
* Copyright (c) 2012 Olivier Halligon
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
***********************************************************************************/
// Compile this only if SDK version (…MAX_ALLOWED) is iOS7+/10.9+ because NSURLSession is a class only known starting these SDKs
// (this code won't compile if we use an eariler SDKs, like when building with Xcode4)
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) \
|| (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)
#import <XCTest/XCTest.h>
#import <OHHTTPStubs/OHHTTPStubs.h>
@interface NSURLSessionTests : XCTestCase <NSURLSessionDataDelegate> @end
@implementation NSURLSessionTests
{
NSMutableData* _receivedData;
XCTestExpectation* _taskDidCompleteExpectation;
}
- (void)setUp
{
[super setUp];
[OHHTTPStubs removeAllStubs];
_receivedData = nil;
}
- (void)_test_NSURLSession:(NSURLSession*)session
jsonForStub:(id)json
completion:(void(^)(NSError* errorResponse,id jsonResponse))completion
{
if ([NSURLSession class])
{
static const NSTimeInterval kRequestTime = 0.0;
static const NSTimeInterval kResponseTime = 0.2;
[OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest *request) {
return YES;
} withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
return [[OHHTTPStubsResponse responseWithJSONObject:json statusCode:200 headers:nil]
requestTime:kRequestTime responseTime:kResponseTime];
}];
XCTestExpectation* expectation = [self expectationWithDescription:@"NSURLSessionDataTask completed"];
__block __strong id dataResponse = nil;
__block __strong NSError* errorResponse = nil;
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"foo://unknownhost:666"]];
request.HTTPMethod = @"GET";
[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
NSURLSessionDataTask *task = [session dataTaskWithRequest:request
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error)
{
errorResponse = error;
if (!error)
{
NSError *jsonError = nil;
NSDictionary *jsonObject = [NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonError];
XCTAssertNil(jsonError, @"Unexpected error deserializing JSON response");
dataResponse = jsonObject;
}
[expectation fulfill];
}];
[task resume];
[self waitForExpectationsWithTimeout:kRequestTime+kResponseTime+0.5 handler:nil];
completion(errorResponse, dataResponse);
}
}
// The shared session use the same mechanism as NSURLConnection
// (based on protocols registered via +[NSURLProtocol registerClass:] and all)
// and no NSURLSessionConfiguration
- (void)test_SharedNSURLSession
{
if ([NSURLSession class])
{
NSURLSession *session = [NSURLSession sharedSession];
NSDictionary* json = @{@"Success": @"Yes"};
[self _test_NSURLSession:session jsonForStub:json completion:^(NSError *errorResponse, id jsonResponse) {
XCTAssertNil(errorResponse, @"Unexpected error");
XCTAssertEqualObjects(jsonResponse, json, @"Unexpected data received");
}];
}
else
{
NSLog(@"/!\\ Test skipped because the NSURLSession class is not available on this OS version. Run the tests a target with a more recent OS.\n");
}
}
- (void)test_NSURLSessionDefaultConfig
{
if ([NSURLSessionConfiguration class] && [NSURLSession class])
{
NSURLSessionConfiguration* config = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
NSDictionary* json = @{@"Success": @"Yes"};
[self _test_NSURLSession:session jsonForStub:json completion:^(NSError *errorResponse, id jsonResponse) {
XCTAssertNil(errorResponse, @"Unexpected error");
XCTAssertEqualObjects(jsonResponse, json, @"Unexpected data received");
}];
}
else
{
NSLog(@"/!\\ Test skipped because the NSURLSession class is not available on this OS version. Run the tests a target with a more recent OS.\n");
}
}
- (void)test_NSURLSessionEphemeralConfig
{
if ([NSURLSessionConfiguration class] && [NSURLSession class])
{
NSURLSessionConfiguration* config = [NSURLSessionConfiguration ephemeralSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
NSDictionary* json = @{@"Success": @"Yes"};
[self _test_NSURLSession:session jsonForStub:json completion:^(NSError *errorResponse, id jsonResponse) {
XCTAssertNil(errorResponse, @"Unexpected error");
XCTAssertEqualObjects(jsonResponse, json, @"Unexpected data received");
}];
}
else
{
NSLog(@"/!\\ Test skipped because the NSURLSession class is not available on this OS version. Run the tests a target with a more recent OS.\n");
}
}
- (void)test_NSURLSessionDefaultConfig_Disabled
{
if ([NSURLSessionConfiguration class] && [NSURLSession class])
{
NSURLSessionConfiguration* config = [NSURLSessionConfiguration ephemeralSessionConfiguration];
[OHHTTPStubs setEnabled:NO forSessionConfiguration:config]; // Disable stubs for this session
NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
NSDictionary* json = @{@"Success": @"Yes"};
[self _test_NSURLSession:session jsonForStub:json completion:^(NSError *errorResponse, id jsonResponse) {
// Stubs were disable for this session, so we should get an error instead of the stubs data
XCTAssertNotNil(errorResponse, @"Expected error but none found");
XCTAssertNil(jsonResponse, @"Data should not have been received as stubs should be disabled");
}];
}
else
{
NSLog(@"/!\\ Test skipped because the NSURLSession class is not available on this OS version. Run the tests a target with a more recent OS.\n");
}
}
- (void)test_NSURLSession_DataTask_DelegateMethods
{
if ([NSURLSessionConfiguration class] && [NSURLSession class])
{
NSData* expectedResponse = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
[OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest *request) {
return [request.URL.scheme isEqualToString:@"stub"];
} withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
return [[OHHTTPStubsResponse responseWithData:expectedResponse statusCode:200 headers:nil]
responseTime:0.5];
}];
_taskDidCompleteExpectation = [self expectationWithDescription:@"NSURLSessionDataTask completion delegate method called"];
NSURLSessionConfiguration* config = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession* session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:nil];
[[session dataTaskWithURL:[NSURL URLWithString:@"stub://foo"]] resume];
[self waitForExpectationsWithTimeout:5 handler:nil];
XCTAssertEqualObjects(_receivedData, expectedResponse, @"Unexpected response");
}
else
{
NSLog(@"/!\\ Test skipped because the NSURLSession class is not available on this OS version. Run the tests a target with a more recent OS.\n");
}
}
//---------------------------------------------------------------
#pragma mark - Delegate Methods
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler
{
_receivedData = [NSMutableData new];
completionHandler(NSURLSessionResponseAllow);
}
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data
{
[_receivedData appendData:data];
}
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error
{
[_taskDidCompleteExpectation fulfill];
}
@end
#else
#warning Unit Tests using NSURLSession were not compiled nor executed, because NSURLSession is only available since iOS7/OSX10.9 SDK. \
-------- Compile using iOS7 or OSX10.9 SDK then launch the tests on the iOS7 simulator or an OSX10.9 target for them to be executed.
#endif
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