tests: add checks on basket link cell

tests/test_lingo_cells.py

@@ -10,7 +10,8 @@ from django.utils import timezone
 
 from combo.data.models import Page
 from combo.apps.lingo.models import Regie, BasketItem, Transaction
-from combo.apps.lingo.models import LingoBasketCell, LingoRecentTransactionsCell
+from combo.apps.lingo.models import (LingoBasketCell,
+        LingoRecentTransactionsCell, LingoBasketLinkCell)
 
 pytestmark = pytest.mark.django_db
 
@@ -120,3 +121,34 @@ def test_recent_transaction_cell(regie, user):
     item.save()
     content = cell.render(context)
     assert not 'open' in content
+
+def test_basket_link_cell(regie, user):
+    page = Page(title='xxx', slug='test_basket_cell', template_name='standard')
+    page.save()
+    cell = LingoBasketLinkCell(page=page, placeholder='content', order=0)
+
+    context = Context({'request': RequestFactory().get('/')})
+    context['request'].user = None
+    assert cell.is_relevant(context) is False
+    context['request'].user = user
+    assert cell.is_relevant(context) is False
+    item  = BasketItem()
+    item.user = user
+    item.regie = regie
+    item.subject = 'foo'
+    item.source_url = 'http://example.net'
+    item.amount = 12345
+    item.save()
+
+    assert cell.is_relevant(context) is True
+
+    # no basket cell to link to
+    content = cell.render(context)
+    assert content == ''
+
+    cell2 = LingoBasketCell(page=page, placeholder='content', order=0)
+    cell2.save()
+
+    content = cell.render(context)
+    assert '12345' in content
+    assert page.get_online_url() in content