initial creation

py3interm/EXAMPLES/pytests/test_mock_pymock.py

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+#!/usr/bin/env python
+import pytest  # <1>
+import re  # <2>
+
+class SpamSearch():  # <3>
+    def __init__(self, search_string, target_string):
+        self.search_string = search_string
+        self.target_string = target_string
+
+
+    def findit(self):  # <4>
+        return re.search(self.search_string, self.target_string)
+
+def test_spam_search_calls_re_search(mocker):   # <5>
+    mocker.patch('re.search')  # <6>
+    s = SpamSearch('bug', 'lightning bug')  # <7>
+    _ = s.findit()   # <8>
+    re.search.assert_called_once_with('bug', 'lightning bug')  # <9>
+
+if __name__ == '__main__':
+    pytest.main([__file__, '-s'])   # <10>