Add settings view tests

bookmarks/tests/test_settings_import_view.py

@@ -0,0 +1,77 @@
+from django.test import TestCase
+from django.urls import reverse
+
+from bookmarks.tests.helpers import BookmarkFactoryMixin
+
+
+class SettingsImportViewTestCase(TestCase, BookmarkFactoryMixin):
+
+    def setUp(self) -> None:
+        user = self.get_or_create_test_user()
+        self.client.force_login(user)
+
+    def assertFormSuccessHint(self, response, text: str):
+        self.assertContains(response, '<div class="has-success">')
+        self.assertContains(response, text)
+
+    def assertNoFormSuccessHint(self, response):
+        self.assertNotContains(response, '<div class="has-success">')
+
+    def assertFormErrorHint(self, response, text: str):
+        self.assertContains(response, '<div class="has-error">')
+        self.assertContains(response, text)
+
+    def assertNoFormErrorHint(self, response):
+        self.assertNotContains(response, '<div class="has-error">')
+
+    def test_should_import_successfully(self):
+        with open('bookmarks/tests/resources/simple_valid_import_file.html') as import_file:
+            response = self.client.post(
+                reverse('bookmarks:settings.import'),
+                {'import_file': import_file},
+                follow=True
+            )
+
+            self.assertRedirects(response, reverse('bookmarks:settings.general'))
+            self.assertFormSuccessHint(response, '3 bookmarks were successfully imported')
+            self.assertNoFormErrorHint(response)
+
+    def test_should_check_authentication(self):
+        self.client.logout()
+        response = self.client.get(reverse('bookmarks:settings.import'), follow=True)
+
+        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.import'))
+
+    def test_should_show_hint_if_there_is_no_file(self):
+        response = self.client.post(
+            reverse('bookmarks:settings.import'),
+            follow=True
+        )
+
+        self.assertRedirects(response, reverse('bookmarks:settings.general'))
+        self.assertNoFormSuccessHint(response)
+        self.assertFormErrorHint(response, 'Please select a file to import.')
+
+    def test_should_show_hint_if_import_raises_exception(self):
+        with open('bookmarks/tests/resources/invalid_import_file.png', 'rb') as import_file:
+            response = self.client.post(
+                reverse('bookmarks:settings.import'),
+                {'import_file': import_file},
+                follow=True
+            )
+
+            self.assertRedirects(response, reverse('bookmarks:settings.general'))
+            self.assertNoFormSuccessHint(response)
+            self.assertFormErrorHint(response, 'An error occurred during bookmark import.')
+
+    def test_should_show_respective_hints_if_not_all_bookmarks_were_imported_successfully(self):
+        with open('bookmarks/tests/resources/simple_valid_import_file_with_one_invalid_bookmark.html') as import_file:
+            response = self.client.post(
+                reverse('bookmarks:settings.import'),
+                {'import_file': import_file},
+                follow=True
+            )
+
+            self.assertRedirects(response, reverse('bookmarks:settings.general'))
+            self.assertFormSuccessHint(response, '2 bookmarks were successfully imported')
+            self.assertFormErrorHint(response, '1 bookmarks could not be imported')