Merge pull request #125 from michelelazzeri-nextage/master

application/xml parser fully compatible with application/xml render

djangorestframework/parsers.py

@@ -187,13 +187,33 @@ class XMLParser(BaseParser):
         `data` will simply be a string representing the body of the request.
         `files` will always be `None`.
         """
-        data = {}
         tree = ET.parse(stream)
-        for child in tree.getroot().getchildren():
+        data = self._xml_convert(tree.getroot())
-            data[child.tag] = self._type_convert(child.text)
 
         return (data, None)
 
+    def _xml_convert(self, element):
+        """
+        convert the xml `element` into the corresponding python object 
+        """
+        
+        children = element.getchildren()
+        
+        if len(children) == 0:
+            return self._type_convert(element.text)
+        else:
+            # if the fist child tag is list-item means all children are list-item
+            if children[0].tag == "list-item":
+                data = []
+                for child in children:
+                    data.append(self._xml_convert(child))                       
+            else:    
+                data = {}
+                for child in children:
+                    data[child.tag] = self._xml_convert(child)
+
+            return data
+        
     def _type_convert(self, value):
         """
         Converts the value returned by the XMl parse into the equivalent

djangorestframework/tests/parsers.py

@@ -156,10 +156,9 @@ class TestFormParser(TestCase):
 
         self.assertEqual(Form(data).is_valid(), True)
 
-		
 class TestXMLParser(TestCase):
     def setUp(self):
-        self.input = StringIO(
+        self._input = StringIO(
             '<?xml version="1.0" encoding="utf-8"?>'
             '<root>'
             '<field_a>121.0</field_a>'
@@ -168,15 +167,45 @@ class TestXMLParser(TestCase):
             '<field_d>2011-12-25 12:45:00</field_d>'
             '</root>'
         )	
-        self.data = {	
+        self._data = {	
             'field_a': 121,
             'field_b': 'dasd',	
             'field_c': None,
             'field_d': datetime.datetime(2011, 12, 25, 12, 45, 00)
 			
         }
+        self._complex_data_input = StringIO(
+            '<?xml version="1.0" encoding="utf-8"?>'
+            '<root>'
+            '<creation_date>2011-12-25 12:45:00</creation_date>'
+            '<sub_data_list>'
+            '<list-item><sub_id>1</sub_id><sub_name>first</sub_name></list-item>'
+            '<list-item><sub_id>2</sub_id><sub_name>second</sub_name></list-item>'
+            '</sub_data_list>'
+            '<name>name</name>'
+            '</root>'
+        )    
+        self._complex_data = {
+            "creation_date": datetime.datetime(2011, 12, 25, 12, 45, 00), 
+            "name": "name", 
+            "sub_data_list": [
+                {
+                    "sub_id": 1, 
+                    "sub_name": "first"
+                }, 
+                {
+                    "sub_id": 2, 
+                    "sub_name": "second"
+                }
+            ]
+        }                               
 
     def test_parse(self):
         parser = XMLParser(None)
-        (data, files) = parser.parse(self.input)
+        (data, files) = parser.parse(self._input)
-        self.assertEqual(data, self.data)
+        self.assertEqual(data, self._data)
+
+    def test_complex_data_parse(self):
+        parser = XMLParser(None)
+        (data, files) = parser.parse(self._complex_data_input)
+        self.assertEqual(data, self._complex_data)

djangorestframework/tests/renderers.py

@@ -6,7 +6,7 @@ from djangorestframework.views import View
 from djangorestframework.compat import View as DjangoView
 from djangorestframework.renderers import BaseRenderer, JSONRenderer, YAMLRenderer, \
     XMLRenderer, JSONPRenderer, DocumentingHTMLRenderer
-from djangorestframework.parsers import JSONParser, YAMLParser
+from djangorestframework.parsers import JSONParser, YAMLParser, XMLParser
 from djangorestframework.mixins import ResponseMixin
 from djangorestframework.response import Response
 
@@ -283,72 +283,6 @@ if YAMLRenderer:
             self.assertEquals(obj, data)
 
 
-class XMLRendererTestCase(TestCase):
-    """
-    Tests specific to the XML Renderer
-    """
-
-    def test_render_string(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({'field': 'astring'}, 'application/xml')
-        self.assertXMLContains(content, '<field>astring</field>')
-
-    def test_render_integer(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({'field': 111}, 'application/xml')
-        self.assertXMLContains(content, '<field>111</field>')
-
-    def test_render_datetime(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({
-            'field': datetime.datetime(2011, 12, 25, 12, 45, 00)
-        }, 'application/xml')
-        self.assertXMLContains(content, '<field>2011-12-25 12:45:00</field>')
-
-    def test_render_float(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({'field': 123.4}, 'application/xml')
-        self.assertXMLContains(content, '<field>123.4</field>')
-
-    def test_render_decimal(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({'field': Decimal('111.2')}, 'application/xml')
-        self.assertXMLContains(content, '<field>111.2</field>')
-
-    def test_render_none(self):
-        """
-        Test XML rendering.
-        """
-        renderer = XMLRenderer(None)
-        content = renderer.render({'field': None}, 'application/xml')
-        self.assertXMLContains(content, '<field></field>')
-
-    def assertXMLContains(self, xml, string):
-        self.assertTrue(xml.startswith('<?xml version="1.0" encoding="utf-8"?>\n<root>'))
-        self.assertTrue(xml.endswith('</root>'))
-        self.assertTrue(string in xml, '%r not in %r' % (string, xml))
-
-class HTMLView(View):
-    renderers = (DocumentingHTMLRenderer)
-
-    def get(self, request, **kwargs):
-        return 'text' 
-
 urlpatterns += patterns('',
     url(r'^/html$', HTMLView.as_view()),
 )
@@ -429,6 +363,21 @@ class XMLRendererTestCase(TestCase):
     Tests specific to the XML Renderer
     """
 
+    _complex_data = {
+        "creation_date": datetime.datetime(2011, 12, 25, 12, 45, 00), 
+        "name": "name", 
+        "sub_data_list": [
+            {
+                "sub_id": 1, 
+                "sub_name": "first"
+            }, 
+            {
+                "sub_id": 2, 
+                "sub_name": "second"
+            }
+        ]
+    }
+
     def test_render_string(self):
         """
         Test XML rendering.
@@ -479,29 +428,28 @@ class XMLRendererTestCase(TestCase):
         content = renderer.render({'field': None}, 'application/xml')
         self.assertXMLContains(content, '<field></field>')
         
+    def test_render_complex_data(self):
+        """
+        Test XML rendering.
+        """
+        renderer = XMLRenderer(None)            
+        content = renderer.render(self._complex_data, 'application/xml')
+        self.assertXMLContains(content, '<sub_name>first</sub_name>')
+        self.assertXMLContains(content, '<sub_name>second</sub_name>')
+
+    def test_render_and_parse_complex_data(self):
+        """
+        Test XML rendering.
+        """
+        renderer = XMLRenderer(None)            
+        content = StringIO(renderer.render(self._complex_data, 'application/xml'))
+        
+        parser = XMLParser(None)
+        complex_data_out, dummy = parser.parse(content)
+        error_msg = "complex data differs!IN:\n %s \n\n OUT:\n %s" % (repr(self._complex_data), repr(complex_data_out))
+        self.assertDictEqual(self._complex_data, complex_data_out, error_msg)
+
     def assertXMLContains(self, xml, string):
         self.assertTrue(xml.startswith('<?xml version="1.0" encoding="utf-8"?>\n<root>'))
         self.assertTrue(xml.endswith('</root>'))
         self.assertTrue(string in xml, '%r not in %r' % (string, xml))
-
-
-
-class Issue122Tests(TestCase):
-    """
-    Tests that covers #122.
-    """
-
-    urls = 'djangorestframework.tests.renderers'
-
-    def test_only_html_renderer(self):
-        """
-        Test if no recursion occurs.
-        """
-        resp = self.client.get('/html')
-
-    def test_html_renderer_is_first(self):
-        """
-        Test if no recursion occurs.
-        """
-        resp = self.client.get('/html1')
-