Add checkout tests

Add link tests. Add checkout info view tests. Move common code to
a test mixin.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/checkouts/tests/mixins.py

@@ -0,0 +1,18 @@
+from __future__ import unicode_literals
+
+import datetime
+
+from django.utils.timezone import now
+
+from ..models import DocumentCheckout
+
+
+class DocumentCheckoutTestMixin(object):
+    def _checkout_document(self):
+        expiration_datetime = now() + datetime.timedelta(days=1)
+
+        DocumentCheckout.objects.checkout_document(
+            document=self.document, expiration_datetime=expiration_datetime,
+            user=self.user, block_new_version=True
+        )
+        self.assertTrue(self.document.is_checked_out())

mayan/apps/checkouts/tests/test_links.py

@@ -0,0 +1,50 @@
+from __future__ import unicode_literals
+
+from documents.tests import GenericDocumentViewTestCase
+
+from ..links import link_checkout_document, link_checkout_info
+from ..permissions import (
+    permission_document_checkout, permission_document_checkout_detail_view
+)
+
+from .mixins import DocumentCheckoutTestMixin
+
+
+class CheckoutLinksTestCase(DocumentCheckoutTestMixin, GenericDocumentViewTestCase):
+    def setUp(self):
+        super(CheckoutLinksTestCase, self).setUp()
+        self.login_user()
+
+    def _resolve_checkout_link(self):
+        self.add_test_view(test_object=self.document)
+        context = self.get_test_view()
+        context['user'] = self.user
+        return link_checkout_document.resolve(context=context)
+
+    def test_checkout_link_no_access(self):
+        resolved_link = self._resolve_checkout_link()
+        self.assertEqual(resolved_link, None)
+
+    def test_checkout_link_with_access(self):
+        self.grant_access(
+            obj=self.document, permission=permission_document_checkout
+        )
+        resolved_link = self._resolve_checkout_link()
+        self.assertNotEqual(resolved_link, None)
+
+    def _resolve_checkout_info_link(self):
+        self.add_test_view(test_object=self.document)
+        context = self.get_test_view()
+        context['user'] = self.user
+        return link_checkout_info.resolve(context=context)
+
+    def test_checkout_info_link_no_access(self):
+        resolved_link = self._resolve_checkout_info_link()
+        self.assertEqual(resolved_link, None)
+
+    def test_checkout_info_link_with_access(self):
+        self.grant_access(
+            obj=self.document, permission=permission_document_checkout_detail_view
+        )
+        resolved_link = self._resolve_checkout_info_link()
+        self.assertNotEqual(resolved_link, None)

mayan/apps/checkouts/tests/test_views.py

@@ -20,21 +20,14 @@ from ..permissions import (
     permission_document_checkout, permission_document_checkout_detail_view
 )
 
+from .mixins import DocumentCheckoutTestMixin
 
-class DocumentCheckoutViewTestCase(GenericDocumentViewTestCase):
+
+class DocumentCheckoutViewTestCase(DocumentCheckoutTestMixin, GenericDocumentViewTestCase):
     def setUp(self):
         super(DocumentCheckoutViewTestCase, self).setUp()
         self.login_user()
 
-    def _checkout_document(self):
-        expiration_datetime = now() + datetime.timedelta(days=1)
-
-        DocumentCheckout.objects.checkout_document(
-            document=self.document, expiration_datetime=expiration_datetime,
-            user=self.user, block_new_version=True
-        )
-        self.assertTrue(self.document.is_checked_out())
-
     def _request_document_check_in_view(self):
         return self.post(
             viewname='checkouts:checkin_document', args=(self.document.pk,),
@@ -116,6 +109,10 @@ class DocumentCheckoutViewTestCase(GenericDocumentViewTestCase):
 
     def test_checkout_detail_view_no_permission(self):
         self._checkout_document()
+        self.grant_access(
+            obj=self.document,
+            permission=permission_document_checkout
+        )
 
         response = self._request_checkout_detail_view()