1 files changed, 61 insertions, 0 deletions
diff --git a/test/units/module_utils/common/warnings/test_warn.py b/test/units/module_utils/common/warnings/test_warn.py
new file mode 100644
index 0000000..41e1a7b
--- /dev/null
+++ b/test/units/module_utils/common/warnings/test_warn.py
@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+# (c) 2019 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+import pytest
+
+from ansible.module_utils.common import warnings
+
+from ansible.module_utils.common.warnings import warn, get_warning_messages
+from ansible.module_utils.six import PY3
+
+
+@pytest.fixture
+def warning_messages():
+    return [
+        'First warning',
+        'Second warning',
+        'Third warning',
+    ]
+
+
+def test_warn():
+    warn('Warning message')
+    assert warnings._global_warnings == ['Warning message']
+
+
+def test_multiple_warningss(warning_messages):
+    for w in warning_messages:
+        warn(w)
+
+    assert warning_messages == warnings._global_warnings
+
+
+def test_get_warning_messages(warning_messages):
+    for w in warning_messages:
+        warn(w)
+
+    accessor_warnings = get_warning_messages()
+    assert isinstance(accessor_warnings, tuple)
+    assert len(accessor_warnings) == 3
+
+
+@pytest.mark.parametrize(
+    'test_case',
+    (
+        1,
+        True,
+        [1],
+        {'k1': 'v1'},
+        (1, 2),
+        6.62607004,
+        b'bytestr' if PY3 else None,
+        None,
+    )
+)
+def test_warn_failure(test_case):
+    with pytest.raises(TypeError, match='warn requires a string not a %s' % type(test_case)):
+        warn(test_case)