add tests to notebooks api

- check for correct status codes
- check headers location
- fix COPY api

IPython/html/services/notebooks/filenbmanager.py

@@ -92,6 +92,11 b' class FileNotebookManager(NotebookManager):'
                 i = i+1
         return name
 
+    def os_path_exists(self, path):
+        """Check that the given file system path is valid on this machine."""
+        if os.path.exists(path) is False:
+            raise web.HTTPError(404, "No file or directory found.")
+        
     def notebook_exists(self, name, path='/'):
         """Returns a True if the notebook exists. Else, returns False.
 

IPython/html/services/notebooks/tests/test_notebooks_api.py

@@ -31,8 +31,8 b' class APITest(NotebookTestBase):'
         #url, nb = self.mknb()
         url = self.notebook_url()
         nb = requests.post(url+'/')
-        print nb.text
         data = nb.json()
+        status = nb.status_code
         assert isinstance(data, dict)
         self.assertIn('name', data)
         self.assertIn('path', data)

IPython/html/services/sessions/handlers.py

@@ -119,7 +119,7 b' class SessionHandler(IPythonHandler):'
 _session_id_regex = r"(?P<session_id>\w+-\w+-\w+-\w+-\w+)"
 
 default_handlers = [
-    (r"api/sessions/%s" % _session_id_regex, SessionHandler),
-    (r"api/sessions",  SessionRootHandler)
+    (r"/api/sessions/%s" % _session_id_regex, SessionHandler),
+    (r"/api/sessions",  SessionRootHandler)
 ]