diff --git a/bookmarks/services/importer.py b/bookmarks/services/importer.py
index 6dfe949..a315019 100644
--- a/bookmarks/services/importer.py
+++ b/bookmarks/services/importer.py
@@ -3,6 +3,7 @@ from dataclasses import dataclass
 from datetime import datetime
 
 from django.contrib.auth.models import User
+from django.utils import timezone
 
 from bookmarks.models import Bookmark, parse_tag_string
 from bookmarks.services.parser import parse, NetscapeBookmark
@@ -45,7 +46,10 @@ def _import_bookmark_tag(netscape_bookmark: NetscapeBookmark, user: User):
     bookmark = _get_or_create_bookmark(netscape_bookmark.href, user)
 
     bookmark.url = netscape_bookmark.href
-    bookmark.date_added = datetime.utcfromtimestamp(int(netscape_bookmark.date_added)).astimezone()
+    if netscape_bookmark.date_added:
+        bookmark.date_added = datetime.utcfromtimestamp(int(netscape_bookmark.date_added)).astimezone()
+    else:
+        bookmark.date_added = timezone.now()
     bookmark.date_modified = bookmark.date_added
     bookmark.unread = False
     bookmark.title = netscape_bookmark.title
diff --git a/bookmarks/services/parser.py b/bookmarks/services/parser.py
index 39079a4..ed134da 100644
--- a/bookmarks/services/parser.py
+++ b/bookmarks/services/parser.py
@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from datetime import datetime
 
 import pyparsing as pp
 
@@ -9,7 +8,7 @@ class NetscapeBookmark:
     href: str
     title: str
     description: str
-    date_added: int
+    date_added: str
     tag_string: str
 
 
@@ -17,8 +16,7 @@ def extract_bookmark_link(tag):
     href = tag[0].href
     title = tag[0].text
     tag_string = tag[0].tags
-    date_added_string = tag[0].add_date if tag[0].add_date else datetime.now().timestamp()
-    date_added = int(date_added_string)
+    date_added = tag[0].add_date
 
     return {
         'href': href,
diff --git a/bookmarks/tests/resources/invalid_import_file.png b/bookmarks/tests/resources/invalid_import_file.png
new file mode 100644
index 0000000..f5c32c2
Binary files /dev/null and b/bookmarks/tests/resources/invalid_import_file.png differ
diff --git a/bookmarks/tests/resources/simple_valid_import_file.html b/bookmarks/tests/resources/simple_valid_import_file.html
new file mode 100644
index 0000000..74435aa
--- /dev/null
+++ b/bookmarks/tests/resources/simple_valid_import_file.html
@@ -0,0 +1,20 @@
+<!DOCTYPE NETSCAPE-Bookmark-file-1>
+
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
+
+<TITLE>Bookmarks</TITLE>
+
+<H1>Bookmarks</H1>
+
+<DL><p>
+
+    <DT><A HREF="https://example.com/1" ADD_DATE="1616337559" PRIVATE="0" TOREAD="0" TAGS="tag1">test title 1</A>
+    <DD>test description 1
+
+    <DT><A HREF="https://example.com/2" ADD_DATE="1616337559" PRIVATE="0" TOREAD="0" TAGS="tag2">test title 2</A>
+    <DD>test description 2
+
+    <DT><A HREF="https://example.com/3" ADD_DATE="1616337559" PRIVATE="0" TOREAD="0" TAGS="tag3">test title 3</A>
+    <DD>test description 3
+
+</DL><p>
\ No newline at end of file
diff --git a/bookmarks/tests/resources/simple_valid_import_file_with_one_invalid_bookmark.html b/bookmarks/tests/resources/simple_valid_import_file_with_one_invalid_bookmark.html
new file mode 100644
index 0000000..f3eec2f
--- /dev/null
+++ b/bookmarks/tests/resources/simple_valid_import_file_with_one_invalid_bookmark.html
@@ -0,0 +1,20 @@
+<!DOCTYPE NETSCAPE-Bookmark-file-1>
+
+<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
+
+<TITLE>Bookmarks</TITLE>
+
+<H1>Bookmarks</H1>
+
+<DL><p>
+
+    <DT><A HREF="https://example.com/1" ADD_DATE="invaliddate" PRIVATE="0" TOREAD="0" TAGS="tag1">test title 1</A>
+    <DD>test description 1
+
+    <DT><A HREF="https://example.com/2" ADD_DATE="1616337559" PRIVATE="0" TOREAD="0" TAGS="tag2">test title 2</A>
+    <DD>test description 2
+
+    <DT><A HREF="https://example.com/3" ADD_DATE="1616337559" PRIVATE="0" TOREAD="0" TAGS="tag3">test title 3</A>
+    <DD>test description 3
+
+</DL><p>
\ No newline at end of file
diff --git a/bookmarks/tests/test_settings_api_view.py b/bookmarks/tests/test_settings_api_view.py
new file mode 100644
index 0000000..587728b
--- /dev/null
+++ b/bookmarks/tests/test_settings_api_view.py
@@ -0,0 +1,40 @@
+from django.test import TestCase
+from django.urls import reverse
+from rest_framework.authtoken.models import Token
+
+from bookmarks.tests.helpers import BookmarkFactoryMixin
+
+
+class SettingsApiViewTestCase(TestCase, BookmarkFactoryMixin):
+
+    def setUp(self) -> None:
+        user = self.get_or_create_test_user()
+        self.client.force_login(user)
+
+    def test_should_render_successfully(self):
+        response = self.client.get(reverse('bookmarks:settings.api'))
+
+        self.assertEqual(response.status_code, 200)
+
+    def test_should_check_authentication(self):
+        self.client.logout()
+        response = self.client.get(reverse('bookmarks:settings.api'), follow=True)
+
+        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.api'))
+
+    def test_should_generate_api_token_if_not_exists(self):
+        self.assertEqual(Token.objects.count(), 0)
+
+        self.client.get(reverse('bookmarks:settings.api'))
+
+        self.assertEqual(Token.objects.count(), 1)
+        token = Token.objects.first()
+        self.assertEqual(token.user, self.user)
+
+    def test_should_not_generate_api_token_if_exists(self):
+        Token.objects.get_or_create(user=self.user)
+        self.assertEqual(Token.objects.count(), 1)
+
+        self.client.get(reverse('bookmarks:settings.api'))
+
+        self.assertEqual(Token.objects.count(), 1)
diff --git a/bookmarks/tests/test_settings_export_view.py b/bookmarks/tests/test_settings_export_view.py
new file mode 100644
index 0000000..e1d56b1
--- /dev/null
+++ b/bookmarks/tests/test_settings_export_view.py
@@ -0,0 +1,45 @@
+from unittest.mock import patch
+
+from django.test import TestCase
+from django.urls import reverse
+
+from bookmarks.tests.helpers import BookmarkFactoryMixin
+
+
+class SettingsExportViewTestCase(TestCase, BookmarkFactoryMixin):
+
+    def setUp(self) -> None:
+        user = self.get_or_create_test_user()
+        self.client.force_login(user)
+
+    def assertFormErrorHint(self, response, text: str):
+        self.assertContains(response, '<div class="has-error">')
+        self.assertContains(response, text)
+
+    def test_should_export_successfully(self):
+        self.setup_bookmark(tags=[self.setup_tag()])
+        self.setup_bookmark(tags=[self.setup_tag()])
+        self.setup_bookmark(tags=[self.setup_tag()])
+
+        response = self.client.get(
+            reverse('bookmarks:settings.export'),
+            follow=True
+        )
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response['content-type'], 'text/plain; charset=UTF-8')
+        self.assertEqual(response['Content-Disposition'], 'attachment; filename="bookmarks.html"')
+
+    def test_should_check_authentication(self):
+        self.client.logout()
+        response = self.client.get(reverse('bookmarks:settings.export'), follow=True)
+
+        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.export'))
+
+    def test_should_show_hint_when_export_raises_error(self):
+        with patch('bookmarks.services.exporter.export_netscape_html') as mock_export_netscape_html:
+            mock_export_netscape_html.side_effect = Exception('Nope')
+            response = self.client.get(reverse('bookmarks:settings.export'), follow=True)
+
+            self.assertTemplateUsed(response, 'settings/general.html')
+            self.assertFormErrorHint(response, 'An error occurred during bookmark export.')
diff --git a/bookmarks/tests/test_settings_general_view.py b/bookmarks/tests/test_settings_general_view.py
new file mode 100644
index 0000000..642c0c0
--- /dev/null
+++ b/bookmarks/tests/test_settings_general_view.py
@@ -0,0 +1,36 @@
+from django.test import TestCase
+from django.urls import reverse
+
+from bookmarks.tests.helpers import BookmarkFactoryMixin
+from bookmarks.models import UserProfile
+
+
+class SettingsGeneralViewTestCase(TestCase, BookmarkFactoryMixin):
+
+    def setUp(self) -> None:
+        user = self.get_or_create_test_user()
+        self.client.force_login(user)
+
+    def test_should_render_successfully(self):
+        response = self.client.get(reverse('bookmarks:settings.general'))
+
+        self.assertEqual(response.status_code, 200)
+
+    def test_should_check_authentication(self):
+        self.client.logout()
+        response = self.client.get(reverse('bookmarks:settings.general'), follow=True)
+
+        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.general'))
+
+    def test_should_save_profile(self):
+        form_data = {
+            'theme': UserProfile.THEME_DARK,
+            'bookmark_date_display': UserProfile.BOOKMARK_DATE_DISPLAY_HIDDEN,
+        }
+        response = self.client.post(reverse('bookmarks:settings.general'), form_data)
+
+        self.user.profile.refresh_from_db()
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(self.user.profile.theme, form_data['theme'])
+        self.assertEqual(self.user.profile.bookmark_date_display, form_data['bookmark_date_display'])
diff --git a/bookmarks/tests/test_settings_import_view.py b/bookmarks/tests/test_settings_import_view.py
new file mode 100644
index 0000000..b5c609a
--- /dev/null
+++ b/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')
diff --git a/bookmarks/tests/test_settings_integrations_view.py b/bookmarks/tests/test_settings_integrations_view.py
new file mode 100644
index 0000000..914b79f
--- /dev/null
+++ b/bookmarks/tests/test_settings_integrations_view.py
@@ -0,0 +1,22 @@
+from django.test import TestCase
+from django.urls import reverse
+
+from bookmarks.tests.helpers import BookmarkFactoryMixin
+
+
+class SettingsIntegrationsViewTestCase(TestCase, BookmarkFactoryMixin):
+
+    def setUp(self) -> None:
+        user = self.get_or_create_test_user()
+        self.client.force_login(user)
+
+    def test_should_render_successfully(self):
+        response = self.client.get(reverse('bookmarks:settings.integrations'))
+
+        self.assertEqual(response.status_code, 200)
+
+    def test_should_check_authentication(self):
+        self.client.logout()
+        response = self.client.get(reverse('bookmarks:settings.integrations'), follow=True)
+
+        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.integrations'))
diff --git a/bookmarks/views/settings.py b/bookmarks/views/settings.py
index d3d9b17..da97e23 100644
--- a/bookmarks/views/settings.py
+++ b/bookmarks/views/settings.py
@@ -9,8 +9,8 @@ from rest_framework.authtoken.models import Token
 
 from bookmarks.models import UserProfileForm
 from bookmarks.queries import query_bookmarks
-from bookmarks.services.exporter import export_netscape_html
-from bookmarks.services.importer import import_netscape_html
+from bookmarks.services import exporter
+from bookmarks.services import importer
 
 logger = logging.getLogger(__name__)
 
@@ -55,11 +55,11 @@ def bookmark_import(request):
 
     if import_file is None:
         messages.error(request, 'Please select a file to import.', 'bookmark_import_errors')
-        return HttpResponseRedirect(reverse('bookmarks:settings.index'))
+        return HttpResponseRedirect(reverse('bookmarks:settings.general'))
 
     try:
         content = import_file.read().decode()
-        result = import_netscape_html(content, request.user)
+        result = importer.import_netscape_html(content, request.user)
         success_msg = str(result.success) + ' bookmarks were successfully imported.'
         messages.success(request, success_msg, 'bookmark_import_success')
         if result.failed > 0:
@@ -78,7 +78,7 @@ def bookmark_export(request):
     # noinspection PyBroadException
     try:
         bookmarks = query_bookmarks(request.user, '')
-        file_content = export_netscape_html(bookmarks)
+        file_content = exporter.export_netscape_html(bookmarks)
 
         response = HttpResponse(content_type='text/plain; charset=UTF-8')
         response['Content-Disposition'] = 'attachment; filename="bookmarks.html"'