jens@0: //
jens@0: //  Test.m
jens@0: //  MYUtilities
jens@0: //
jens@0: //  Created by Jens Alfke on 1/5/08.
jens@0: //  Copyright 2008 Jens Alfke. All rights reserved.
jens@0: //
jens@0: 
jens@0: #import "Test.h"
jens@10: 
jens@0: 
jens@0: #if DEBUG
jens@0: 
jens@1: BOOL gRunningTestCase;
jens@1: 
jens@0: struct TestCaseLink *gAllTestCases;
jens@0: static int sPassed, sFailed;
jens@10: static int sCurTestCaseExceptions;
jens@10: 
jens@10: 
jens@10: static void TestCaseExceptionReporter( NSException *x ) {
jens@10:     sCurTestCaseExceptions++;
jens@10:     Log(@"XXX FAILED test case -- backtrace:\n%@\n\n", x.my_callStack);
jens@10: }
jens@0: 
jens@0: static BOOL RunTestCase( struct TestCaseLink *test )
jens@0: {
jens@1:     BOOL oldLogging = EnableLog(YES);
jens@1:     gRunningTestCase = YES;
jens@0:     if( test->testptr ) {
jens@0:         NSAutoreleasePool *pool = [NSAutoreleasePool new];
jens@0:         Log(@"=== Testing %s ...",test->name);
jens@0:         @try{
jens@10:             sCurTestCaseExceptions = 0;
jens@10:             MYSetExceptionReporter(&TestCaseExceptionReporter);
jens@10: 
jens@10:             test->testptr();    //SHAZAM!
jens@10:             
jens@10:             if( sCurTestCaseExceptions == 0 ) {
jens@10:                 Log(@"√√√ %s passed\n\n",test->name);
jens@10:                 test->passed = YES;
jens@10:                 sPassed++;
jens@10:             } else {
jens@10:                 Log(@"XXX FAILED test case '%s' due to %i exception(s) already reported above",
jens@10:                     test->name,sCurTestCaseExceptions);
jens@10:                 sFailed++;
jens@10:             }
jens@0:         }@catch( NSException *x ) {
jens@0:             if( [x.name isEqualToString: @"TestCaseSkipped"] )
jens@0:                 Log(@"... skipping test %s since %@\n\n", test->name, x.reason);
jens@0:             else {
jens@0:                 Log(@"XXX FAILED test case '%s' due to:\nException: %@\n%@\n\n", 
jens@0:                       test->name,x,x.my_callStack);
jens@0:                 sFailed++;
jens@0:             }
jens@0:         }@finally{
jens@0:             [pool drain];
jens@0:             test->testptr = NULL;       // prevents test from being run again
jens@0:         }
jens@0:     }
jens@1:     gRunningTestCase = NO;
jens@1:     EnableLog(oldLogging);
jens@0:     return test->passed;
jens@0: }
jens@0: 
jens@0: 
jens@0: static BOOL RunTestCaseNamed( const char *name )
jens@0: {
jens@0:     for( struct TestCaseLink *test = gAllTestCases; test; test=test->next )
jens@0:         if( strcmp(name,test->name)==0 ) {
jens@0:             return RunTestCase(test);
jens@0:         }
jens@0:     Log(@"... WARNING: Could not find test case named '%s'\n\n",name);
jens@0:     return NO;
jens@0: }
jens@0: 
jens@0: 
jens@0: void _RequireTestCase( const char *name )
jens@0: {
jens@0:     if( ! RunTestCaseNamed(name) ) {
jens@0:         [NSException raise: @"TestCaseSkipped" 
jens@0:                     format: @"prerequisite %s failed", name];
jens@0:     }
jens@0: }
jens@0: 
jens@0: 
jens@0: void RunTestCases( int argc, const char **argv )
jens@0: {
jens@0:     sPassed = sFailed = 0;
jens@0:     BOOL stopAfterTests = NO;
jens@0:     for( int i=1; i<argc; i++ ) {
jens@0:         const char *arg = argv[i];
jens@0:         if( strncmp(arg,"Test_",5)==0 ) {
jens@0:             arg += 5;
jens@0:             if( strcmp(arg,"Only")==0 )
jens@0:                 stopAfterTests = YES;
jens@0:             else if( strcmp(arg,"All") == 0 ) {
jens@0:                 for( struct TestCaseLink *link = gAllTestCases; link; link=link->next )
jens@0:                     RunTestCase(link);
jens@0:             } else {
jens@0:                 RunTestCaseNamed(arg);
jens@0:             }
jens@0:         }
jens@0:     }
jens@0:     if( sPassed>0 || sFailed>0 || stopAfterTests ) {
jens@0:         if( sFailed==0 )
jens@0:             Log(@"√√√√√√ ALL %i TESTS PASSED √√√√√√", sPassed);
jens@0:         else {
jens@0:             Log(@"****** %i TESTS FAILED, %i PASSED ******", sFailed,sPassed);
jens@0:             exit(1);
jens@0:         }
jens@0:         if( stopAfterTests ) {
jens@0:             Log(@"Stopping after tests ('Test_Only' arg detected)");
jens@0:             exit(0);
jens@0:         }
jens@0:     }
jens@0: }
jens@0: 
jens@0: 
jens@0: #endif DEBUG
jens@0: 
jens@0: 
jens@0: #pragma mark -
jens@0: #pragma mark ASSERTION FAILURE HANDLER:
jens@0: 
jens@0: 
jens@0: void _AssertFailed( id rcvr, const char *selOrFn, const char *sourceFile, int sourceLine,
jens@0:                     const char *condString, NSString *message, ... )
jens@0: {
jens@0:     if( message ) {
jens@0:         va_list args;
jens@0:         va_start(args,message);
jens@0:         message = [[[NSString alloc] initWithFormat: message arguments: args] autorelease];
jens@0:         va_end(args);
jens@0:     } else
jens@0:         message = [NSString stringWithUTF8String: condString];
jens@0:     
jens@0:     if( rcvr )
jens@0:         [[NSAssertionHandler currentHandler] handleFailureInMethod: (SEL)selOrFn
jens@0:                                                             object: rcvr 
jens@0:                                                               file: [NSString stringWithUTF8String: sourceFile]
jens@0:                                                         lineNumber: sourceLine 
jens@0:                                                        description: @"%@", message];
jens@0:     else
jens@0:         [[NSAssertionHandler currentHandler] handleFailureInFunction: [NSString stringWithUTF8String:selOrFn]
jens@0:                                                                 file: [NSString stringWithUTF8String: sourceFile]
jens@0:                                                           lineNumber: sourceLine 
jens@0:                                                          description: @"%@", message];
jens@0:     abort(); // unreachable, but appeases compiler
jens@0: }