Add tests for chevron.renderer.render(keep=True)

The first test checks that tags are kept.
Including that fact that kept tags are normalised.

The second test checks that tags from partials are kept.

chevron/renderer.py

@@ -230,7 +230,7 @@ def render(template='', data={}, partials_path='.', partials_ext='mustache',
         # If we're a variable tag
         elif tag == 'variable':
             # Add the html escaped key to the output
-            thing = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_ldel)
+            thing = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_rdel)
             if thing is True and key == '.':
                 # if we've coerced into a boolean by accident
                 # (inverted tags do this)
@@ -243,15 +243,15 @@ def render(template='', data={}, partials_path='.', partials_ext='mustache',
         # If we're a no html escape tag
         elif tag == 'no escape':
             # Just lookup the key and add it
-            thing = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_ldel)
+            thing = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_rdel)
             if not isinstance(thing, unicode_type):
                 thing = unicode(str(thing), 'utf-8')
             output += thing
 
         # If we're a section tag
         elif tag == 'section':
             # Get the sections scope
-            scope = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_ldel)
+            scope = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_rdel)
 
             # If the scope is a callable (as described in
             # https://mustache.github.io/mustache.5.html)
@@ -343,7 +343,7 @@ def render(template='', data={}, partials_path='.', partials_ext='mustache',
         # If we're an inverted section
         elif tag == 'inverted section':
             # Add the flipped scope to the scopes
-            scope = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_ldel)
+            scope = _get_key(key, scopes, warn=warn, keep=keep, def_ldel=def_ldel, def_rdel=def_rdel)
             scopes.insert(0, not scope)
 
         # If we're a partial

test_spec.py

@@ -499,6 +499,59 @@ def test_disabled_partials(self):
         self.assertEqual(resultEmpty, expected)
         os.chdir('..')
 
+    # https://github.com/noahmorrison/chevron/pull/94
+    def test_keep(self):
+        args = {
+            'template': '{{ first }} {{ second }} {{ third }}',
+            'data': {
+                "first": "1st",
+                "third": "3rd",
+            },
+        }
+
+        result = chevron.render(**args)
+        expected = '1st  3rd'
+        self.assertEqual(result, expected)
+
+        args['keep'] = True
+
+        result = chevron.render(**args)
+        expected = '1st {{ second }} 3rd'
+        self.assertEqual(result, expected)
+
+        args['template'] = '{{first}} {{second}} {{third}}'
+        result = chevron.render(**args)
+        expected = '1st {{ second }} 3rd'
+        self.assertEqual(result, expected)
+
+        args['template'] = '{{   first    }} {{    second    }} {{    third   }}'
+        result = chevron.render(**args)
+        expected = '1st {{ second }} 3rd'
+        self.assertEqual(result, expected)
+
+    # https://github.com/noahmorrison/chevron/pull/94
+    def test_keep_from_partials(self):
+        args = {
+            'template': '{{ first }} {{> with_missing_key }} {{ third }}',
+            'data': {
+                "first": "1st",
+                "third": "3rd",
+            },
+            'partials_dict': {
+                'with_missing_key': '{{missing_key}}',
+            },
+        }
+
+        result = chevron.render(**args)
+        expected = '1st  3rd'
+        self.assertEqual(result, expected)
+
+        args['keep'] = True
+
+        result = chevron.render(**args)
+        expected = '1st {{ missing_key }} 3rd'
+        self.assertEqual(result, expected)
+
 
 # Run unit tests from command line
 if __name__ == "__main__":