Merge "Display message on HTTPException"

ceilometerclient/exc.py

@@ -47,6 +47,14 @@ class HTTPException(ClientException):
         self.details = details
 
     def __str__(self):
+        try:
+            data = json.loads(self.details)
+            message = data.get("error_message", {}).get("faultstring")
+            if message:
+                return "%s (HTTP %s) ERROR %s" % (
+                    self.__class__.__name__, self.code, message)
+        except (ValueError, TypeError, AttributeError):
+            pass
         return "%s (HTTP %s)" % (self.__class__.__name__, self.code)
 
 
@@ -65,18 +73,8 @@ class BadRequest(HTTPException):
     code = 400
 
 
-class HTTPBadRequest(BadRequest):
+class HTTPBadRequest(HTTPException):
-
+    code = 400
-    def __str__(self):
-        try:
-            data = json.loads(self.details)
-            message = data.get("error_message", {}).get("faultstring")
-            if message:
-                return "%s (HTTP %s) ERROR %s" % (
-                    self.__class__.__name__, self.code, message)
-        except (ValueError, TypeError, AttributeError):
-            pass
-        return super(HTTPBadRequest, self).__str__()
 
 
 class Unauthorized(HTTPException):
@@ -84,8 +82,8 @@ class Unauthorized(HTTPException):
     code = 401
 
 
-class HTTPUnauthorized(Unauthorized):
+class HTTPUnauthorized(HTTPException):
-    pass
+    code = 401
 
 
 class Forbidden(HTTPException):
@@ -93,8 +91,8 @@ class Forbidden(HTTPException):
     code = 403
 
 
-class HTTPForbidden(Forbidden):
+class HTTPForbidden(HTTPException):
-    pass
+    code = 403
 
 
 class NotFound(HTTPException):
@@ -102,8 +100,8 @@ class NotFound(HTTPException):
     code = 404
 
 
-class HTTPNotFound(NotFound):
+class HTTPNotFound(HTTPException):
-    pass
+    code = 404
 
 
 class HTTPMethodNotAllowed(HTTPException):
@@ -115,8 +113,8 @@ class Conflict(HTTPException):
     code = 409
 
 
-class HTTPConflict(Conflict):
+class HTTPConflict(HTTPException):
-    pass
+    code = 409
 
 
 class OverLimit(HTTPException):
@@ -124,8 +122,8 @@ class OverLimit(HTTPException):
     code = 413
 
 
-class HTTPOverLimit(OverLimit):
+class HTTPOverLimit(HTTPException):
-    pass
+    code = 413
 
 
 class HTTPInternalServerError(HTTPException):
@@ -145,8 +143,8 @@ class ServiceUnavailable(HTTPException):
     code = 503
 
 
-class HTTPServiceUnavailable(ServiceUnavailable):
+class HTTPServiceUnavailable(HTTPException):
-    pass
+    code = 503
 
 
 #NOTE(bcwaldon): Build a mapping of HTTP codes to corresponding exception

ceilometerclient/tests/test_exc.py

@@ -19,33 +19,54 @@ from ceilometerclient import exc
 
 from ceilometerclient.tests import utils
 
+HTTPEXCEPTIONS = {'HTTPBadRequest': exc.HTTPBadRequest,
+                  'HTTPUnauthorized': exc.HTTPUnauthorized,
+                  'HTTPForbidden': exc.HTTPForbidden,
+                  'HTTPNotFound': exc.HTTPNotFound,
+                  'HTTPMethodNotAllowed': exc.HTTPMethodNotAllowed,
+                  'HTTPConflict': exc.HTTPConflict,
+                  'HTTPOverLimit': exc.HTTPOverLimit,
+                  'HTTPInternalServerError': exc.HTTPInternalServerError,
+                  'HTTPNotImplemented': exc.HTTPNotImplemented,
+                  'HTTPBadGateway': exc.HTTPBadGateway,
+                  'HTTPServiceUnavailable': exc.HTTPServiceUnavailable}
 
-class HTTPBadRequestTest(utils.BaseTestCase):
 
+class HTTPExceptionsTest(utils.BaseTestCase):
     def test_str_no_details(self):
-        exception = exc.HTTPBadRequest()
+        for k, v in HTTPEXCEPTIONS.items():
-        self.assertEqual("HTTPBadRequest (HTTP 400)", str(exception))
+            exception = v()
+            ret_str = k + " (HTTP " + str(exception.code) + ")"
+            self.assertEqual(ret_str, str(exception))
 
     def test_str_no_json(self):
-        exception = exc.HTTPBadRequest(details="foo")
+        for k, v in HTTPEXCEPTIONS.items():
-        self.assertEqual("HTTPBadRequest (HTTP 400)", str(exception))
+            exception = v(details="foo")
+            ret_str = k + " (HTTP " + str(exception.code) + ")"
+            self.assertEqual(ret_str, str(exception))
 
     def test_str_no_error_message(self):
-        exception = exc.HTTPBadRequest(details=json.dumps({}))
+        for k, v in HTTPEXCEPTIONS.items():
-        self.assertEqual("HTTPBadRequest (HTTP 400)", str(exception))
+            exception = v(details=json.dumps({}))
+            ret_str = k + " (HTTP " + str(exception.code) + ")"
+            self.assertEqual(ret_str, str(exception))
 
     def test_str_no_faultstring(self):
-        exception = exc.HTTPBadRequest(
+        for k, v in HTTPEXCEPTIONS.items():
-            details=json.dumps({"error_message": {"foo": "bar"}}))
+            exception = v(
-        self.assertEqual("HTTPBadRequest (HTTP 400)", str(exception))
+                details=json.dumps({"error_message": {"foo": "bar"}}))
+            ret_str = k + " (HTTP " + str(exception.code) + ")"
+            self.assertEqual(ret_str, str(exception))
 
     def test_str_error_message_unknown_format(self):
-        exception = exc.HTTPBadRequest(
+        for k, v in HTTPEXCEPTIONS.items():
-            details=json.dumps({"error_message": "oops"}))
+            exception = v(details=json.dumps({"error_message": "oops"}))
-        self.assertEqual("HTTPBadRequest (HTTP 400)", str(exception))
+            ret_str = k + " (HTTP " + str(exception.code) + ")"
+            self.assertEqual(ret_str, str(exception))
 
     def test_str_faultstring(self):
-        exception = exc.HTTPBadRequest(
+        for k, v in HTTPEXCEPTIONS.items():
-            details=json.dumps({"error_message": {"faultstring": "oops"}}))
+            exception = v(details=json.dumps(
-        self.assertEqual("HTTPBadRequest (HTTP 400) ERROR oops",
+                {"error_message": {"faultstring": "oops"}}))
-                         str(exception))
+            ret_str = k + " (HTTP " + str(exception.code) + ") ERROR oops"
+            self.assertEqual(ret_str, str(exception))