Add tracker tests

msbuild expecting from tracker cl.read.1.tlog/cl.*.read.1.tlog files.

Check that stats.txt, manifest files are not in *.read.1.tlog.
Check that source file in *.read.1.tlog.

Author: izmmisha

tests/test_integration.py

@@ -1182,6 +1182,66 @@ def testEvictedManifest(self):
             self.assertEqual(subprocess.call(cmd, env=customEnv), 0)
 
 
+class TestTracker(unittest.TestCase):
+    def readTlog(self, tlogDir):
+        content = ""
+        for fileName in glob.glob(os.path.join(tlogDir, '*read.1.tlog')):
+            with open(fileName, 'rb') as f:
+                content += f.read().decode("utf-16")
+        return content
+
+    def testStatsTxtOnUnsupportedArgumens(self):
+        with tempfile.TemporaryDirectory() as tempDir, tempfile.TemporaryDirectory() as trackDir:
+            customEnv = dict(os.environ, CLCACHE_DIR=tempDir)
+            clcmd = CLCACHE_CMD + ["/nologo", "/c", "/Zi", os.path.join(ASSETS_DIR, "fibonacci.c")]
+            cmd = ['tracker', '/i', trackDir, '/c'] + clcmd
+
+            #initialize stats.txt in cache
+            subprocess.check_call(clcmd, env=customEnv)
+
+            subprocess.check_call(cmd, env=customEnv)
+
+            self.assertTrue("STATS.TXT" not in self.readTlog(trackDir))
+
+    def testSourceOnCacheHit(self):
+        with tempfile.TemporaryDirectory() as tempDir, tempfile.TemporaryDirectory() as trackDir:
+            customEnv = dict(os.environ, CLCACHE_DIR=tempDir)
+            clcmd = CLCACHE_CMD + ["/nologo", "/c", os.path.join(ASSETS_DIR, "fibonacci.c")]
+            cmd = ['tracker', '/i', trackDir, '/c'] + clcmd
+
+            #warm up cache
+            subprocess.check_call(clcmd, env=customEnv)
+
+            subprocess.check_call(cmd, env=customEnv)
+
+            self.assertTrue("FIBONACCI.C" in self.readTlog(trackDir))
+
+    def testManifest(self):
+        with tempfile.TemporaryDirectory() as tempDir, tempfile.TemporaryDirectory() as trackDir:
+            customEnv = dict(os.environ, CLCACHE_DIR=tempDir)
+            clcmd = CLCACHE_CMD + ["/nologo", "/c", os.path.join(ASSETS_DIR, "fibonacci.c")]
+            cmd = ['tracker', '/i', trackDir, '/c'] + clcmd
+
+            #warm up cache
+            subprocess.check_call(clcmd, env=customEnv)
+
+            subprocess.check_call(cmd, env=customEnv)
+
+            self.assertTrue(os.path.join(tempDir, "manifests").upper() not in self.readTlog(trackDir))
+
+    def testCacheLimit(self):
+        with tempfile.TemporaryDirectory() as tempDir, tempfile.TemporaryDirectory() as trackDir:
+            customEnv = dict(os.environ, CLCACHE_DIR=tempDir)
+            clcmd = CLCACHE_CMD + ["/nologo", "/c", os.path.join(ASSETS_DIR, "fibonacci.c")]
+            cmd = ['tracker', '/i', trackDir, '/c'] + clcmd
+
+            #setup small cache limit
+            subprocess.check_call(CLCACHE_CMD + ['-M', '100'], env=customEnv)
+
+            subprocess.check_call(cmd, env=customEnv)
+
+            self.assertTrue("STATS.TXT" not in self.readTlog(trackDir))
+
 if __name__ == '__main__':
     unittest.TestCase.longMessage = True
     unittest.main()