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Run only one test case #52

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
IPhone SDK :

Impossible to run only one test case as you would do with other unit test 
framework. You have to run all tests which takes too much time when doing TDD 
or when debugging a single test.

Original issue reported on code.google.com by vdau...@gmail.com on 11 Jun 2010 at 3:34

GoogleCodeExporter commented 9 years ago 
I think this is a must for TDD

Original comment by agens.an...@gmail.com on 13 Oct 2010 at 8:59

GoogleCodeExporter commented 9 years ago 
Is the only way to restrict the tests that run to create multiple testing 
executables that build against different test files?

Original comment by PaulSolt on 5 Dec 2010 at 9:26

GoogleCodeExporter commented 9 years ago 
Dave - What is the env variable trick you use to control what is run?

Original comment by thoma...@gmail.com on 6 Dec 2010 at 1:13

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
In GHUnit, which is similar to GTMUnit I can pass a command line argument to 
the executable to limit tests. Is something like that possible in GTM?

For example, in the Xcode executable for the test target add an argument called 
TEST and provide the name of the test class to run, or the test class/test 
function name to restrict it even further.

See "Running a Test Case / Single Test"
http://gabriel.github.com/gh-unit/_command_line.html

Original comment by PaulSolt on 6 Dec 2010 at 6:38

Attachments:

GoogleCodeExporter commented 9 years ago 
That would be just great ! has anybody been able to achieve this with GTM ?

Original comment by vdau...@gmail.com on 13 Dec 2010 at 5:01

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
If there isn't a workaround, you might want to consider switching to GHUnit. I 
reviewed three test frameworks: OCUnit, GTMUnit, and GHUnit here:
http://paulsolt.com/2010/11/iphone-unit-testing-explained-part-1/

Original comment by PaulSolt on 13 Dec 2010 at 5:49

GoogleCodeExporter commented 9 years ago 
Our workaround has been to create an additional test target containing 
everything but actual tests. Then in an ad-hoc fashion, you can add a test to 
the target. This is problematic because you have to remember to remove it again 
before submitting changes.

Original comment by jon.m.r...@gmail.com on 24 Jan 2011 at 5:53

GoogleCodeExporter commented 9 years ago 
Here's a (not very pretty) patch, simply add -DGTM_TEST=NameOfTestClass to the 
CFLAGS of the unit test target.

If GTM_TEST isn't defined, all tests are run.

--- GTMIPhoneUnitTestDelegate.m (revision 439)
+++ GTMIPhoneUnitTestDelegate.m (working copy)
@@ -27,6 +27,9 @@
 #import <UIKit/UIKit.h>
 #import "GTMSenTestCase.h"

+#define CONVERT_SYMBOL_TO_NSSTRING_2(x) @#x
+#define CONVERT_SYMBOL_TO_NSSTRING(x) CONVERT_SYMBOL_TO_NSSTRING_2(x)
+
 @interface UIApplication (GTMIPhoneUnitTestDelegate)

 // SPI that we need to exit cleanly with a value.
@@ -105,12 +108,33 @@
 // that are subclasses of SenTestCase. Print results and run time to
 // the default output.
 - (void)runTests {
-  int count = objc_getClassList(NULL, 0);
-  NSMutableData *classData
+    int count = 0;
+    
+    Class *classes = nil;
+    
+#ifdef GTM_TEST
+    Class testClass = NSClassFromString(CONVERT_SYMBOL_TO_NSSTRING(GTM_TEST));
+    
+    _GTMDevAssert(testClass, @"Couldn't find GTM_TEST test class");
+    
+    if(testClass)
+    {
+        Class singleTestClass[1];
+        singleTestClass[0] = testClass;
+        classes = singleTestClass;
+        count = 1;
+    }
+#else
+    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);
+    classes = (Class*)[classData mutableBytes];
+    
+    _GTMDevAssert(classes, @"Couldn't allocate class list");
+    objc_getClassList(classes, count);
+#endif
+    
   totalFailures_ = 0;
   totalSuccesses_ = 0;
   NSString *suiteName = [[NSBundle mainBundle] bundlePath];

Original comment by insertwi...@gmail.com on 7 Apr 2011 at 8:02

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