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//
// GTMIPhoneUnitTestDelegate.m
//
// Copyright 2008 Google Inc.
//
// 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 "GTMIPhoneUnitTestDelegate.h"
#import "GTMDefines.h"
#if !GTM_IPHONE_SDK
#error GTMIPhoneUnitTestDelegate for iPhone only
#endif
#import <objc/runtime.h>
#import <stdio.h>
#import <UIKit/UIKit.h>
#import "GTMSenTestCase.h"
// Used for sorting methods below
static int MethodSort(const void *a, const void *b) {
const char *nameA = sel_getName(method_getName(*(Method*)a));
const char *nameB = sel_getName(method_getName(*(Method*)b));
return strcmp(nameA, nameB);
}
static void RunLeaks(void) {
// This is an atexit handler. It runs leaks for us to check if we are
// leaking anything in our tests. Note that leaks and NSZombieEnabled
// don't play well together, so we attempt to filter out the zombies from
// our leaks when NSZombieEnabled is on.
BOOL zombiesOn = getenv("NSZombieEnabled") != NULL;
NSString *filterZombies = @"| grep -v _NSZombie";
NSString *zombieExplanation = @"echo 'Leaks:0: note: NSZombies being "
@"filtered from leaks. If zombies are on, ignore the \"x leaks for y total "
@"leaked bytes.\" line above unless actual leaks are reported. "
@"Set the 'GTM_DISABLE_ZOMBIES' environment variable to turn off "
@"zombies, and to get more information about the leaks.'";
NSString *string
= [NSString stringWithFormat:@"/usr/bin/leaks %@ %d %@"
@"| /usr/bin/sed \"s/Leak: /Leaks:0: warning: Leak /\"; %@",
zombiesOn ? @"-nocontext -nostacks" : @"",
getpid(),
zombiesOn ? filterZombies : @"",
zombiesOn ? zombieExplanation : @""];
int ret = system([string UTF8String]);
if (ret) {
fprintf(stderr, "%s:%d: Error: Unable to run leaks. 'system' returned: %d",
__FILE__, __LINE__, ret);
fflush(stderr);
}
}
@interface UIApplication (iPhoneUnitTestAdditions)
// "Private" method that we need
- (void)terminate;
@end
@implementation GTMIPhoneUnitTestDelegate
// Return YES if class is subclass (1 or more generations) of SenTestCase
- (BOOL)isTestFixture:(Class)aClass {
BOOL iscase = NO;
Class testCaseClass = [SenTestCase class];
Class superclass;
for (superclass = aClass;
!iscase && superclass;
superclass = class_getSuperclass(superclass)) {
iscase = superclass == testCaseClass ? YES : NO;
}
return iscase;
}
// Run through all the registered classes and run test methods on any
// that are subclasses of SenTestCase. Terminate the application upon
// test completion.
- (void)applicationDidFinishLaunching:(UIApplication *)application {
// Don't want to get leaks on the device as the device doesn't
// have 'leaks'. We check for this by looking for the
// IPHONEOS_DEPLOYMENT_TARGET env var. If it isn't there, we are running
// on the simulator.
if (!getenv("IPHONEOS_DEPLOYMENT_TARGET")) {
if (!getenv("GTM_DISABLE_LEAKS")) {
atexit(&RunLeaks);
}
}
[self runTests];
// Using private call to end our tests
if (!getenv("GTM_DISABLE_TERMINATION")) {
[[UIApplication sharedApplication] terminate];
}
}
// Run through all the registered classes and run test methods on any
// that are subclasses of SenTestCase. Print results and run time to
// the default output.
- (void)runTests {
int count = objc_getClassList(NULL, 0);
NSMutableData *classData = [NSMutableData dataWithLength:sizeof(Class) * count];
Class *classes = (Class*)[classData mutableBytes];
_GTMDevAssert(classes, @"Couldn't allocate class list");
objc_getClassList(classes, count);
int suiteSuccesses = 0;
int suiteFailures = 0;
int suiteTotal = 0;
NSString *suiteName = [[NSBundle mainBundle] bundlePath];
NSDate *suiteStartDate = [NSDate date];
NSString *suiteStartString = [NSString stringWithFormat:@"Test Suite '%@' started at %@\n",
suiteName, suiteStartDate];
fputs([suiteStartString UTF8String], stderr);
fflush(stderr);
for (int i = 0; i < count; ++i) {
Class currClass = classes[i];
if ([self isTestFixture:currClass]) {
NSDate *fixtureStartDate = [NSDate date];
NSString *fixtureName = NSStringFromClass(currClass);
NSString *fixtureStartString = [NSString stringWithFormat:@"Test Suite '%@' started at %@\n",
fixtureName, fixtureStartDate];
int fixtureSuccesses = 0;
int fixtureFailures = 0;
int fixtureTotal = 0;
fputs([fixtureStartString UTF8String], stderr);
fflush(stderr);
id testcase = [[currClass alloc] init];
_GTMDevAssert(testcase, @"Unable to instantiate Test Suite: '%@'\n",
fixtureName);
unsigned int methodCount;
Method *methods = class_copyMethodList(currClass, &methodCount);
if (!methods) {
// If the class contains no methods, head on to the next class
NSString *output = [NSString stringWithFormat:@"Test Suite '%@' "
"finished at %@.\nExecuted 0 tests, with 0 "
"failures (0 unexpected) in 0 (0) seconds\n",
fixtureName, fixtureStartDate];
fputs([output UTF8String], stderr);
continue;
}
// This handles disposing of methods for us even if an
// exception should fly.
[NSData dataWithBytesNoCopy:methods
length:sizeof(Method) * methodCount];
// Sort our methods so they are called in Alphabetical order just
// because we can.
qsort(methods, methodCount, sizeof(Method), MethodSort);
for (size_t j = 0; j < methodCount; ++j) {
Method currMethod = methods[j];
SEL sel = method_getName(currMethod);
char *returnType = NULL;
const char *name = sel_getName(sel);
// If it starts with test, takes 2 args (target and sel) and returns
// void run it.
if (strstr(name, "test") == name) {
returnType = method_copyReturnType(currMethod);
if (returnType) {
// This handles disposing of returnType for us even if an
// exception should fly. Length +1 for the terminator, not that
// the length really matters here, as we never reference inside
// the data block.
[NSData dataWithBytesNoCopy:returnType
length:strlen(returnType) + 1];
}
}
if (returnType // True if name starts with "test"
&& strcmp(returnType, @encode(void)) == 0
&& method_getNumberOfArguments(currMethod) == 2) {
fixtureTotal += 1;
BOOL failed = NO;
NSDate *caseStartDate = [NSDate date];
@try {
[testcase performTest:sel];
} @catch (NSException *exception) {
failed = YES;
}
if (failed) {
fixtureFailures += 1;
} else {
fixtureSuccesses += 1;
}
NSTimeInterval caseEndTime = [[NSDate date] timeIntervalSinceDate:caseStartDate];
NSString *caseEndString = [NSString stringWithFormat:@"Test Case '-[%@ %s]' %s (%0.3f seconds).\n",
fixtureName, name,
failed ? "failed" : "passed", caseEndTime];
fputs([caseEndString UTF8String], stderr);
fflush(stderr);
}
}
[testcase release];
NSDate *fixtureEndDate = [NSDate date];
NSTimeInterval fixtureEndTime = [fixtureEndDate timeIntervalSinceDate:fixtureStartDate];
NSString *fixtureEndString = [NSString stringWithFormat:@"Test Suite '%@' finished at %@.\n"
"Executed %d tests, with %d failures (%d unexpected) in %0.3f (%0.3f) seconds\n\n",
fixtureName, fixtureEndDate, fixtureTotal,
fixtureFailures, fixtureFailures,
fixtureEndTime, fixtureEndTime];
fputs([fixtureEndString UTF8String], stderr);
fflush(stderr);
suiteTotal += fixtureTotal;
suiteSuccesses += fixtureSuccesses;
suiteFailures += fixtureFailures;
}
}
NSDate *suiteEndDate = [NSDate date];
NSTimeInterval suiteEndTime = [suiteEndDate timeIntervalSinceDate:suiteStartDate];
NSString *suiteEndString = [NSString stringWithFormat:@"Test Suite '%@' finished at %@.\n"
"Executed %d tests, with %d failures (%d unexpected) in %0.3f (%0.3f) seconds\n\n",
suiteName, suiteEndDate, suiteTotal,
suiteFailures, suiteFailures,
suiteEndTime, suiteEndTime];
fputs([suiteEndString UTF8String], stderr);
fflush(stderr);
}
@end
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