Added some tests and app is almost done

Author: ni8mr

part2/reverse_flask_reza/project/__init__.py.py

@@ -0,0 +1,39 @@
+from flask import Flask, render_template, request, redirect, url_for
+from forms import FormToReverse
+
+# Creating instances
+app = Flask(__name__)
+app.config.from_object('config')
+
+
+def reverse(string):
+    return string[::-1]
+
+
+@app.route('/', methods=['GET', 'POST'])
+def index():
+    form = FormToReverse(request.form)
+    if request.method == 'POST' and form.validate_on_submit():
+        return redirect()
+    return render_template('', error=error)
+
+@app.route('/reversed')
+def rev_str(user_input):
+    rev_string = reverse(user_input)
+    return render_template('',user_input=user_input, rev_input=rev_input)
+
+@app.errorhandler(404)
+def page_not_found(error):
+    return render_template(''),404
+
+@app.errorhandler(500)
+def server_error(error):
+    return render_template(''),500
+
+@app.errorhandler(403)
+def access_forbidden(error):
+    return render_template(''),403
+    
+
+if __name__=='__main__':
+    app.run(debug=True)

part2/reverse_flask_reza/project/config.py

@@ -0,0 +1,5 @@
+
+
+WTF_CSRF_ENABLED = True
+SECRET_KEY = "You know what"
+

part2/reverse_flask_reza/project/forms.py

@@ -0,0 +1,8 @@
+from flask_wtf import Form
+from wtforms import StringField
+from wtforms.validators import DataRequired, Length
+
+class FormToReverse(Form):
+    string = StringField('reverse', validators=[DataRequired(), Length=(min=4)])
+
+

part2/reverse_flask_reza/project/templates/403.html

@@ -0,0 +1,4 @@
+from project import app
+
+if __name__=="__main__":
+    app.run(debug=True)

part2/reverse_flask_reza/project/templates/404.html

@@ -0,0 +1,31 @@
+import unittest
+from project import app
+
+class ReverseTest(unittest.TestCase):
+
+    def setup(self):
+        app.config['WTF_CSRF_ENABLED'] = False
+        self.app = app.test_client()
+
+    def test_if_user_can_access_the_first_page(self):
+        response = self.app.get('/')
+        self.assertEqual(response.status_code, 200)
+        self.assertIn(b'', response.data)
+
+    def test_if_page_redirects_and_string_is_reversed(self):
+        test_string = 'Hello'
+        response = self.app.post('/', data=dict(reverse=test_string, follow_redirects=True))
+        self.assertIn(b'olleH',response.data)
+
+
+    def test_prompt_the_user_to_input_string(self):
+        response = self.app.post('/', data=dict(reverse='', follow_redirects=True))
+        self.assertIn(b'This field is required', response.data)
+
+    def test_prompt_the_user_to_input_atleast_two_lettered_string(self):
+        response = self.app.post('/', data=dict(reverse='h', follow_redirects=True))
+        self.assertIn(b'This field is required', response.data)
+
+    
+        
+