Add tests for html-form-rendering choice fields

tests/test_renderers.py

@@ -485,3 +485,90 @@ class TestHTMLFormRenderer(TestCase):
         result = renderer.render(self.serializer.data, None, {})
 
         self.assertIsInstance(result, SafeText)
+
+
+class TestChoiceFieldHTMLFormRenderer(TestCase):
+    """
+    Test rendering ChoiceField with HTMLFormRenderer.
+    """
+
+    def setUp(self):
+        choices = ((1, 'Option1'), (2, 'Option2'), (12, 'Option12'))
+
+        class TestSerializer(serializers.Serializer):
+            test_field = serializers.ChoiceField(choices=choices,
+                                                 initial=2)
+
+        self.TestSerializer = TestSerializer
+        self.renderer = HTMLFormRenderer()
+
+    def test_render_initial_option(self):
+        serializer = self.TestSerializer()
+        result = self.renderer.render(serializer.data)
+
+        self.assertIsInstance(result, SafeText)
+
+        self.assertInHTML('<option value="2" selected>Option2</option>',
+                          result)
+        self.assertInHTML('<option value="1">Option1</option>', result)
+        self.assertInHTML('<option value="12">Option12</option>', result)
+
+    def test_render_selected_option(self):
+        serializer = self.TestSerializer(data={'test_field': '12'})
+
+        serializer.is_valid()
+        result = self.renderer.render(serializer.data)
+
+        self.assertIsInstance(result, SafeText)
+
+        self.assertInHTML('<option value="12" selected>Option12</option>',
+                          result)
+        self.assertInHTML('<option value="1">Option1</option>', result)
+        self.assertInHTML('<option value="2">Option2</option>', result)
+
+
+class TestMultipleChoiceFieldHTMLFormRenderer(TestCase):
+    """
+    Test rendering MultipleChoiceField with HTMLFormRenderer.
+    """
+
+    def setUp(self):
+        self.renderer = HTMLFormRenderer()
+
+    def test_render_selected_option_with_string_option_ids(self):
+        choices = (('1', 'Option1'), ('2', 'Option2'), ('12', 'Option12'),
+                   ('}', 'OptionBrace'))
+
+        class TestSerializer(serializers.Serializer):
+            test_field = serializers.MultipleChoiceField(choices=choices)
+
+        serializer = TestSerializer(data={'test_field': ['12']})
+        serializer.is_valid()
+
+        result = self.renderer.render(serializer.data)
+
+        self.assertIsInstance(result, SafeText)
+
+        self.assertInHTML('<option value="12" selected>Option12</option>',
+                          result)
+        self.assertInHTML('<option value="1">Option1</option>', result)
+        self.assertInHTML('<option value="2">Option2</option>', result)
+        self.assertInHTML('<option value="}">OptionBrace</option>', result)
+
+    def test_render_selected_option_with_integer_option_ids(self):
+        choices = ((1, 'Option1'), (2, 'Option2'), (12, 'Option12'))
+
+        class TestSerializer(serializers.Serializer):
+            test_field = serializers.MultipleChoiceField(choices=choices)
+
+        serializer = TestSerializer(data={'test_field': ['12']})
+        serializer.is_valid()
+
+        result = self.renderer.render(serializer.data)
+
+        self.assertIsInstance(result, SafeText)
+
+        self.assertInHTML('<option value="12" selected>Option12</option>',
+                          result)
+        self.assertInHTML('<option value="1">Option1</option>', result)
+        self.assertInHTML('<option value="2">Option2</option>', result)