UI unit tests (#59)

* tests - add pytests for the UI

* tests/api - fix NotImplemented

* tests - add README

Co-authored-by: Markus Koetter <koetter@cispa.de>

tests/README.md

@@ -0,0 +1,59 @@
+# pyswagger unittests for the API & UI
+
+## Requirements
+
+```
+wg-quick up conf/wg-example0.conf
+sudo LOG_LEVEL=debug CONFIG_FILE=conf/config.yml ../dist/wg-portal-amd64 
+
+python3 -m venv ~/venv/apitest
+~/venv/apitest/bin/pip install pyswagger mechanize requests pytest PyYAML
+```
+
+## Running
+
+### API
+```
+~/venv/apitest/bin/python3 -m unittest test_API.TestAPI 
+```
+
+### UI
+```
+~/venv/lsl/bin/pytest pytest_UI.py 
+```
+
+
+## Debugging
+Debugging for requests http request/response is included for the API unittesting.
+To use, adjust the log level for "api" logger to DEBUG
+
+```python
+log.setLevel(logging.DEBUG)
+<action>
+log.setLevel(logging.INFO)
+```
+This will provide:
+```
+2021-09-29 14:55:15,585 DEBUG api HTTP
+---------------- request ----------------
+GET http://localhost:8123/api/v1/provisioning/peers?Email=test%2Bn4gbm7%40example.org
+User-Agent: python-requests/2.26.0
+Accept-Encoding: gzip, deflate
+Accept: application/json
+Connection: keep-alive
+Authorization: Basic d2dAZXhhbXBsZS5vcmc6YWJhZGNob2ljZQ==
+
+None
+---------------- response ----------------
+200 OK http://localhost:8123/api/v1/provisioning/peers?Email=test%2Bn4gbm7%40example.org
+Content-Type: application/json; charset=utf-8
+Date: Wed, 29 Sep 2021 12:55:15 GMT
+Content-Length: 285
+
+[{"PublicKey":"hO3pxnft/8QL6nbE+79HN464Z+L4+D/JjUvNE+8LmTs=",
+"Identifier":"Test User (Default)","Device":"wg-example0","DeviceIdentifier":"example0"},
+{"PublicKey":"RVS2gsdRpFjyOpr1nAlEkrs194lQytaPHhaxL5amQxY=",
+"Identifier":"debug","Device":"wg-example0","DeviceIdentifier":"example0"}]
+```
+
+