Fixes #48

.travis.yml

@@ -25,6 +25,8 @@ matrix:
     # Django 2.2
     - python: 3.6
       env: DJANGO='dj22' CMS='cms37'
+      dist: xenial
+      sudo: true
     - python: 3.7
       env: DJANGO='dj22' CMS='cms37'
       dist: xenial

CHANGELOG.rst

@@ -3,6 +3,13 @@ Changelog
 =========
 
 
+2.3.0 (unreleased)
+==================
+
+* Fixed an issue where render requires a dict instead of a context
+* Added ``DJANGOCMS_SNIPPET_CACHE`` cache settings for snippets
+
+
 2.2.0 (2019-05-06)
 ==================
 

djangocms_snippet/cms_plugins.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from django import template
-from django.template.context import Context
+from django.conf import settings
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
@@ -11,37 +11,41 @@
 from .models import SnippetPtr
 
 
+CACHE_ENABLED = getattr(settings, 'DJANGOCMS_SNIPPET_CACHE', False)
+
+
 class SnippetPlugin(CMSPluginBase):
     model = SnippetPtr
     name = _('Snippet')
     render_template = 'djangocms_snippet/snippet.html'
     text_enabled = True
     text_editor_preview = False
-    cache = getattr(settings, 'DJANGOCMS_SNIPPET_CACHE', True)
+    cache = CACHE_ENABLED
 
     def render(self, context, instance, placeholder):
-        context.update({
-            'placeholder': placeholder,
-            'object': instance,
-        })
         try:
             if instance.snippet.template:
+                context = context.flatten()
                 t = template.loader.get_template(instance.snippet.template)
-                context.update({
-                    'html': mark_safe(instance.snippet.html)
-                })
-                content = t.render(Context(context))
+                content = t.render(context)
             else:
+                # only html provided
                 t = template.Template(instance.snippet.html)
-                content = t.render(Context(context))
+                content = t.render(context)
         except template.TemplateDoesNotExist:
             content = _('Template %(template)s does not exist.') % {
-                'template': instance.snippet.template}
+                'template': instance.snippet.template
+            }
         except Exception as e:
             content = escape(str(e))
+
         context.update({
-            'content': mark_safe(content),
+            'placeholder': placeholder,
+            'object': instance,
+            'html': mark_safe(instance.snippet.html),
+            'content': content,
         })
+
         return context
 
 

tests/settings.py

@@ -1,7 +1,9 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 HELPER_SETTINGS = {
-    'INSTALLED_APPS': [],
+    'INSTALLED_APPS': [
+        'tests.utils',
+    ],
     'CMS_LANGUAGES': {
         1: [{
             'code': 'en',

tests/test_models.py

@@ -1,17 +1,81 @@
 # -*- coding: utf-8 -*-
-from django.test import TestCase
+from cms.api import add_plugin, create_page
+from cms.test_utils.testcases import CMSTestCase
 
 from djangocms_snippet.models import Snippet
 
 
-class SnippetTestCase(TestCase):
+class SnippetTestCase(CMSTestCase):
 
     def setUp(self):
-        Snippet.objects.create(
-            name='snippet',
+        self.superuser = self.get_superuser()
+        self.home = create_page(
+            title="home",
+            template="page.html",
+            language="en",
+        )
+        self.home.publish("en")
+        self.page = create_page(
+            title="help",
+            template="page.html",
+            language="en",
         )
 
+    def tearDown(self):
+        self.page.delete()
+        self.home.delete()
+
     def test_snippet_instance(self):
         """Snippet instance has been created"""
-        snippet = Snippet.objects.get(name='snippet')
-        self.assertEqual(snippet.name, 'snippet')
+        Snippet.objects.create(
+            name="snippet",
+        )
+        snippet = Snippet.objects.get(name="snippet")
+        self.assertEqual(snippet.name, "snippet")
+
+    def test_html_rendering(self):
+        snippet = Snippet.objects.create(
+            name="plugin_snippet",
+            html="<p>Hello World</p>",
+            slug="plugin_snippet",
+        )
+        plugin = add_plugin(
+            self.page.placeholders.get(slot="content"),
+            "SnippetPlugin",
+            "en",
+            snippet=snippet,
+        )
+        self.page.publish("en")
+        self.assertEqual(plugin.snippet.name, "plugin_snippet")
+        self.assertEqual(plugin.snippet.html, "<p>Hello World</p>")
+        self.assertEqual(plugin.snippet.slug, "plugin_snippet")
+
+        with self.login_user_context(self.superuser):
+            response = self.client.get(self.page.get_absolute_url('en'))
+
+        self.assertIn(b"<p>Hello World</p>", response.content)
+
+    def test_file_rendering(self):
+        template = "snippet.html"
+        snippet = Snippet.objects.create(
+            name="plugin_snippet",
+            template=template,
+            slug="plugin_snippet",
+        )
+        plugin = add_plugin(
+            self.page.placeholders.get(slot="content"),
+            "SnippetPlugin",
+            "en",
+            snippet=snippet,
+        )
+        self.page.publish("en")
+        self.assertEqual(plugin.snippet.name, "plugin_snippet")
+        self.assertEqual(plugin.snippet.slug, "plugin_snippet")
+
+        with self.login_user_context(self.superuser):
+            response = self.client.get(self.page.get_absolute_url('en'))
+
+        self.assertNotIn("Template {} does not exist".format(template).encode(), response.content)
+        self.assertNotIn(b"context must be a dict rather than Context", response.content)
+        self.assertNotIn(b"context must be a dict rather than PluginContext", response.content)
+        self.assertContains(response, "<p>Hello World Template</p>")

tests/utils/templates/snippet.html

@@ -0,0 +1 @@
+<p>Hello World Template</p>