Add support for request bodies that are False in Python

e2e/app.py

@@ -26,7 +26,11 @@
             headers={'Content-Type': 'application/json'},
             response=json.dumps({'results': [
                 {'username': 'bob', 'id': 101, 'groups': [234, 123]},
-                {'username': 'sue', 'id': 102, 'groups': [345, 123]}]}))
+                {'username': 'sue', 'id': 102, 'groups': [345, 123]}]})),
+        'no users exist': Response(
+            status=200,
+            headers={'Content-Type': 'application/json'},
+            response=json.dumps([]))
     }}
 
 

e2e/contracts/test_e2e.py

@@ -93,6 +93,18 @@ def test_nested(self):
                 {'username': 'bob', 'id': 123, 'groups': [123]},
                 {'username': 'bob', 'id': 123, 'groups': [123]}]})
 
+    def test_falsey_bodies(self):
+        (pact
+         .given('no users exist')
+         .upon_receiving('a request to insert no users')
+         .with_request('post', '/users/', body=[])
+         .will_respond_with(200, body=[]))
+
+        with pact:
+            results = requests.post('http://localhost:1234/users/', json=[])
+
+        self.assertEqual(results.json(), [])
+
 
 class SyntaxErrors(BaseTestCase):
     def test_incorrect_number_of_arguments(self):

pact/pact.py

@@ -296,7 +296,7 @@ def json(self):
         if self.headers:
             request['headers'] = self.headers
 
-        if self.body:
+        if self.body is not None:
             request['body'] = self.body
 
         if self.query:

pact/test/test_pact.py

@@ -366,6 +366,14 @@ def test_all_options(self):
             'headers': {'Accept': 'application/json'},
             'query': 'term=test'})
 
+    def test_falsey_body(self):
+        target = Request('GET', '/path', body=[])
+        result = target.json()
+        self.assertEqual(result, {
+            'method': 'GET',
+            'path': '/path',
+            'body': []})
+
 
 class ResponseTestCase(TestCase):
     def test_sparse(self):
@@ -382,3 +390,8 @@ def test_all_options(self):
             'status': 202,
             'body': 'the body',
             'headers': {'Content-Type': 'application/json'}})
+
+    def test_falsey_body(self):
+        target = Response(200, body=[])
+        result = target.json()
+        self.assertEqual(result, {'status': 200, 'body': []})