Improve output for missing required plugins

pytest-dev · Jul 29, 2020 · 04f7515 · 04f7515
1 parent 422685d
commit 04f7515
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/changelog/7572.improvement.rst b/changelog/7572.improvement.rst
@@ -0,0 +1 @@
+When a plugin listed in `required_plugins` is missing, a simple error message is now shown instead of a stacktrace.
diff --git a/src/_pytest/config/__init__.py b/src/_pytest/config/__init__.py
@@ -1174,9 +1174,8 @@ def _validate_plugins(self) -> None:
                 missing_plugins.append(required_plugin)
 
         if missing_plugins:
-            fail(
+            raise UsageError(
                 "Missing required plugins: {}".format(", ".join(missing_plugins)),
-                pytrace=False,
             )
 
     def _warn_or_fail_if_strict(self, message: str) -> None:

diff --git a/testing/test_config.py b/testing/test_config.py
@@ -362,7 +362,7 @@ def my_dists():
         testdir.makeini(ini_file_text)
 
         if exception_text:
-            with pytest.raises(pytest.fail.Exception, match=exception_text):
+            with pytest.raises(pytest.UsageError, match=exception_text):
                 testdir.parseconfig()
         else:
             testdir.parseconfig()