Adds unit tests for index page

Some fairly simple unit tests to ensure that the index page is being correctly loaded.

InvenTree/InvenTree/test_views.py

@@ -1,11 +1,14 @@
-""" Unit tests for the main web views """
+"""
+Unit tests for the main web views
+"""
+
+import re
+import os
 
 from django.test import TestCase
 from django.urls import reverse
 from django.contrib.auth import get_user_model
 
-import os
-
 
 class ViewTests(TestCase):
     """ Tests for various top-level views """
@@ -16,9 +19,13 @@ class ViewTests(TestCase):
     def setUp(self):
 
         # Create a user
-        get_user_model().objects.create_user(self.username, 'user@email.com', self.password)
+        self.user = get_user_model().objects.create_user(self.username, 'user@email.com', self.password)
+        self.user.set_password(self.password)
+        self.user.save()
 
-        self.client.login(username=self.username, password=self.password)
+        result = self.client.login(username=self.username, password=self.password)
+
+        self.assertEqual(result, True)
 
     def test_api_doc(self):
         """ Test that the api-doc view works """
@@ -27,3 +34,51 @@ class ViewTests(TestCase):
 
         response = self.client.get(api_url)
         self.assertEqual(response.status_code, 200)
+
+    def test_index_redirect(self):
+        """
+        top-level URL should redirect to "index" page
+        """
+
+        response = self.client.get("/")
+
+        self.assertEqual(response.status_code, 302)
+
+    def get_index_page(self):
+        """
+        Retrieve the index page (used for subsequent unit tests)
+        """
+
+        response = self.client.get("/index/")
+
+        self.assertEqual(response.status_code, 200)
+
+        return str(response.content.decode())
+
+    def test_panels(self):
+        """
+        Test that the required 'panels' are present
+        """
+
+        content = self.get_index_page()
+
+        self.assertIn("<div id='detail-panels'>", content)
+
+        # TODO: In future, run the javascript and ensure that the panels get created!
+
+    def test_js_load(self):
+        """
+        Test that the required javascript files are loaded correctly
+        """
+
+        # Change this number as more javascript files are added to the index page
+        N_SCRIPT_FILES = 35
+
+        content = self.get_index_page()
+
+        # Extract all required javascript files from the index page content
+        script_files = re.findall("<script type='text\\/javascript' src=\"([^\"]*)\"><\\/script>", content)
+
+        self.assertEqual(len(script_files), N_SCRIPT_FILES)
+
+        # TODO: Request the javascript files from the server, and ensure they are correcty loaded