Add test for _issue_warning_captured in _pytest.resultlog.pytest_configure

Author: Philipp Loose

testing/acceptance_test.py

@@ -1300,3 +1300,21 @@ def test_issue4445_import_plugin(testdir):
             "*skipped plugin 'some_plugin': thing*",
         ]
     )
+
+
+def test_issue4445_resultlog(testdir):
+    """#4445: Make sure the warning points to a reasonable location
+    See origin of _issue_warning_captured at: _pytest.resultlog.py:35
+    """
+    testdir.makepyfile(
+        """
+        def test_dummy():
+            pass
+    """
+    )
+    result = testdir.runpytest(
+        "--result-log={dir}".format(dir=testdir.tmpdir.join("result.log"))
+    )
+    # with stacklevel=2 the warning originates from resultlog.pytest_configure
+    # and is thrown when --result-log is used
+    result.stdout.fnmatch_lines(["*resultlog.py:35*", "*--result-log is deprecated*"])