🚨 Add unit tests and github action

.github/workflows/python-app.yml

@@ -0,0 +1,33 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        pytest test.py

requirements.txt

@@ -1,17 +1,26 @@
 astroid==2.4.2
+atomicwrites==1.4.0
+attrs==19.3.0
 autopep8==1.5.4
 click==7.1.2
 colorama==0.4.3
 Flask==1.1.2
 gunicorn==20.0.4
+iniconfig==1.0.1
 isort==4.3.21
 itsdangerous==1.1.0
 Jinja2==2.11.2
 lazy-object-proxy==1.4.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
+more-itertools==8.4.0
+packaging==20.4
+pluggy==0.13.1
+py==1.9.0
 pycodestyle==2.6.0
 pylint==2.5.3
+pyparsing==2.4.7
+pytest==6.0.1
 six==1.15.0
 toml==0.10.1
 Werkzeug==1.0.1

test.py

@@ -0,0 +1,91 @@
+from app import app
+import unittest
+import json
+
+
+class MorseCodeTest(unittest.TestCase):
+
+    # This method test for the index page that the response  status code is 200.
+    def test_index_statuscode(self):
+        tester = app.test_client(self)
+        response = tester.get('/')
+        self.assertEqual(response.status_code, 200,
+                         'Index page did not returned 200 status code.')
+
+    # Test the content of the index page.
+    def test_index_content(self):
+        tester = app.test_client(self)
+        response = tester.get('/')
+        self.assertEqual(response.content_type, 'text/html; charset=utf-8',
+                         'Response content is not of html type.')
+
+        self.assertTrue(b'The Morse Code' in response.data,
+                        '"The Morse Code" was not found in the returned resposne.')
+
+    # Test the encrypt post api for positive scenario.
+    def test_encrypt_success(self):
+        tester = app.test_client(self)
+        request_data = {'message': 'Hi, Welcome.'}
+        response = tester.post('/encrypt/', data=request_data,
+                               content_type='application/x-www-form-urlencoded')
+
+        self.assertEqual(response.status_code, 200,
+                         'Encryt request did not returned 200 status code.')
+
+        self.assertEqual(response.content_type, 'application/json',
+                         'Response content is not of json type.')
+
+        self.assertEqual(response.json['status'], 'success')
+        self.assertEqual(
+            response.json['cipher'], '.... .. --..-- / .-- . .-.. -.-. --- -- . .-.-.-')
+
+    # Test the encrypt post api for negative scenario.
+    def test_encrypt_error(self):
+        tester = app.test_client(self)
+        request_data = {}
+        response = tester.post('/encrypt/', data=request_data,
+                               content_type='application/x-www-form-urlencoded')
+
+        self.assertEqual(response.status_code, 400,
+                         'Encryt request did not returned 400 status code.')
+
+        self.assertEqual(response.content_type, 'application/json',
+                         'Response content is not of json type.')
+
+        self.assertEqual(response.json['status'], 'error')
+
+    # Test the decrypt post api for positive scenario.
+    def test_decrypt_success(self):
+        tester = app.test_client(self)
+        request_data = {'cipher': '.... .. --..-- / .-- . .-.. -.-. --- -- . .-.-.-'}
+        response = tester.post('/decrypt/', data=request_data,
+                               content_type='application/x-www-form-urlencoded')
+
+        self.assertEqual(response.status_code, 200,
+                         'Decryt request did not returned 200 status code.')
+
+        self.assertEqual(response.content_type, 'application/json',
+                         'Response content is not of json type.')
+
+        self.assertEqual(response.json['status'], 'success')
+        self.assertEqual(
+            response.json['message'], 'Hi, welcome.')
+
+    # Test the decrypt post api for negative scenario.
+    def test_decrypt_error(self):
+        tester = app.test_client(self)
+        request_data = {}
+        response = tester.post('/decrypt/', data=request_data,
+                               content_type='application/x-www-form-urlencoded')
+
+        self.assertEqual(response.status_code, 400,
+                         'Decryt request did not returned 400 status code.')
+
+        self.assertEqual(response.content_type, 'application/json',
+                         'Response content is not of json type.')
+
+        self.assertEqual(response.json['status'], 'error')
+
+
+if __name__ == '__main__':
+    unittest.main()