Add FIXTURE_REWRITE

Author: jpic

CHANGES.txt

@@ -1,3 +1,5 @@
+0.7.11 Support FIXTURE_REWRITE env var
+
 0.7.6 Support redirects
 
 0.7.5 Options to remove duplicate fixtures

README.rst

@@ -39,6 +39,11 @@ it will check that ``response.status_code`` and ``response.content`` is the
 same, in future version, or in other configurations (ie. py35, py27, pypy, etc
 ...).
 
+Instead of deleting the fixtures manually before running the tests to
+regenerate them, just run your tests with FIXTURE_REWRITE=1 environment
+variable. This will overwrite the fixtures and make the tests look like it
+passed.
+
 Requirements
 ============
 

responsediff/response.py

@@ -18,6 +18,8 @@
     '&', ';',
 )
 
+REWRITE = os.getenv('FIXTURE_REWRITE')
+
 
 def crossplatform_compatible(value):
     """Strip out caracters incompatible between platforms."""
@@ -121,15 +123,17 @@ def make_diff(self, response, metadata=None, selector=None):  # noqa: C901
                 )
             mode = 'wb+'
 
-        if not os.path.exists(self.content_path):
+        if not os.path.exists(self.content_path) or REWRITE:
             with open(self.content_path, mode) as f:
                 f.write(content)
-            created[self.content_path] = content
+            if not REWRITE:
+                created[self.content_path] = content
 
-        if not os.path.exists(self.metadata_path):
+        if not os.path.exists(self.metadata_path) or REWRITE:
             with open(self.metadata_path, 'w+') as f:
                 json.dump(metadata, f, indent=4, sort_keys=True)
-            created[self.metadata_path] = json.dumps(metadata, indent=4)
+            if not REWRITE:
+                created[self.metadata_path] = json.dumps(metadata, indent=4)
 
         fh, dump_path = tempfile.mkstemp('_responsediff')
         with os.fdopen(fh, mode) as f:

setup.py

@@ -12,7 +12,7 @@ def read(fname):
 
 setup(
     name='django-responsediff',
-    version='0.7.6',
+    version='0.7.11',
     description='HTTP response diffing against fixtures for testing',
     author='James Pic',
     author_email='[email protected]',