Github user ruffle1986 commented on a diff in the pull request:
https://github.com/apache/metron/pull/1219#discussion_r222317156
--- Diff: metron-interface/metron-alerts/src/app/utils/utils.spec.ts ---
@@ -0,0 +1,215 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {Utils} from './utils'
+
+describe('timeRangeToDisplayStr', () => {
--- End diff --
[timeRangeToDisplayStr](https://github.com/apache/metron/blob/master/metron-interface/metron-alerts/src/app/utils/utils.ts#L77-L206)
relies heavily on moment.js so before touching the implementation I covered it
with unit tests to make sure that the util produces the exact same result after
the removal of moment.js.
---
