1 files changed, 42 insertions, 0 deletions
diff --git a/testing/mozbase/mozcrash/tests/test_stackwalk.py b/testing/mozbase/mozcrash/tests/test_stackwalk.py
new file mode 100644
index 0000000000..7be2d82c10
--- /dev/null
+++ b/testing/mozbase/mozcrash/tests/test_stackwalk.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+# coding=UTF-8
+
+import os
+
+import mozunit
+from conftest import fspath
+
+
+def test_stackwalk_not_found(check_for_crashes, minidump_files, tmpdir, capsys):
+    """Test that check_for_crashes can handle unicode in dump_directory."""
+    stackwalk = tmpdir.join("stackwalk")
+
+    assert 1 == check_for_crashes(stackwalk_binary=fspath(stackwalk), quiet=False)
+
+    out, _ = capsys.readouterr()
+    assert "MINIDUMP_STACKWALK binary not found" in out
+
+
+def test_stackwalk_envvar(check_for_crashes, minidump_files, stackwalk):
+    """Test that check_for_crashes uses the MINIDUMP_STACKWALK environment var."""
+    os.environ["MINIDUMP_STACKWALK"] = fspath(stackwalk)
+    try:
+        assert 1 == check_for_crashes(stackwalk_binary=None)
+    finally:
+        del os.environ["MINIDUMP_STACKWALK"]
+
+
+def test_stackwalk_unicode(check_for_crashes, minidump_files, tmpdir, capsys):
+    """Test that check_for_crashes can handle unicode in dump_directory."""
+    stackwalk = tmpdir.mkdir(u"🍪").join("stackwalk")
+    stackwalk.write("fake binary")
+    stackwalk.chmod(0o744)
+
+    assert 1 == check_for_crashes(stackwalk_binary=fspath(stackwalk), quiet=False)
+
+    out, err = capsys.readouterr()
+    assert fspath(stackwalk) in out
+
+
+if __name__ == "__main__":
+    mozunit.main()