Make sure config path is absulutized early. Fixes failures in finish (where now we reinitialize the cov object for forced combine) that are caused by sloppy cwd changes (crazy stuff ppl put in tests).

ionelmc · ionelmc · commit 6e097e22280f · 2017-01-03T23:58:21.000+02:00
diff --git a/src/pytest_cov/engine.py b/src/pytest_cov/engine.py
@@ -18,7 +18,7 @@ def __init__(self, cov_source, cov_report, cov_config, cov_append, config=None,
         """Get some common config used by multiple derived classes."""
         self.cov_source = cov_source
         self.cov_report = cov_report
-        self.cov_config = cov_config
+        self.cov_config = os.path.abspath(cov_config)
         self.cov_append = cov_append
         self.config = config
         self.nodeid = nodeid
@@ -34,9 +34,8 @@ def set_env(self):
             os.environ['COV_CORE_SOURCE'] = ''
         else:
             os.environ['COV_CORE_SOURCE'] = os.pathsep.join(self.cov_source)
-        config_file = os.path.abspath(self.cov_config)
-        if os.path.exists(config_file):
-            os.environ['COV_CORE_CONFIG'] = config_file
+        if os.path.exists(self.cov_config):
+            os.environ['COV_CORE_CONFIG'] = self.cov_config
         else:
             os.environ['COV_CORE_CONFIG'] = ''
         os.environ['COV_CORE_DATAFILE'] = os.path.abspath('.coverage')
