Add endpoint for permissions

appengine/swarming/handlers_endpoints_test.py

Index: appengine/swarming/handlers_endpoints_test.py
diff --git a/appengine/swarming/handlers_endpoints_test.py b/appengine/swarming/handlers_endpoints_test.py
index 2b58c11b98fc810ffe3b9aeb2450e17cf4b9fc33..77cef050a8736e7f0b13ba4bc63d16d8468e9f25 100755
--- a/appengine/swarming/handlers_endpoints_test.py
+++ b/appengine/swarming/handlers_endpoints_test.py
@@ -70,6 +70,62 @@ class ServerApiTest(BaseTest):
     response = self.call_api('details')
     self.assertEqual({'server_version': utils.get_app_version()}, response.json)
 
+  def test_public_permissions(self):
+    """Asserts that permissions respond correctly to an unauthed user."""
+    self.set_as_anonymous()
+    response = self.call_api('permissions')
+    expected = {
+        u'can_cancel_task': False,
+        u'can_terminate_bot': False,
+        u'can_delete_bot': False,
+        u'can_get_configs': False,
+        u'can_put_configs': False,
+        u'can_get_bootstrap_token': False,
+    }
+    self.assertEqual(expected, response.json)
+
+  def test_user_permissions(self):
+    """Asserts that permissions respond correctly to a basic user."""
+    self.set_as_user()
+    response = self.call_api('permissions')
+    expected = {
+        u'can_cancel_task': True,
+        u'can_terminate_bot': False,
+        u'can_delete_bot': False,
+        u'can_get_configs': True,
+        u'can_put_configs': False,
+        u'can_get_bootstrap_token': False,
+    }
+    self.assertEqual(expected, response.json)
+
+  def test_privileged_user_permissions(self):
+    """Asserts that permissions respond correctly to a privileged user."""
+    self.set_as_privileged_user()
+    response = self.call_api('permissions')
+    expected = {
+        u'can_cancel_task': True,
+        u'can_terminate_bot': True,
+        u'can_delete_bot': False,
+        u'can_get_configs': True,
+        u'can_put_configs': False,
+        u'can_get_bootstrap_token': False,
+    }
+    self.assertEqual(expected, response.json)
+
+  def test_admin_permissions(self):
+    """Asserts that permissions respond correctly to an admin."""
+    self.set_as_admin()
+    response = self.call_api('permissions')
+    expected = {
+        u'can_cancel_task': True,
+        u'can_terminate_bot': True,
+        u'can_delete_bot': True,
+        u'can_get_configs': True,
+        u'can_put_configs': True,
+        u'can_get_bootstrap_token': True,
+    }
+    self.assertEqual(expected, response.json)
+
   def _test_file(self, name):
     self.set_as_admin()