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https://issues.apache.org/jira/browse/FLINK-10633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16673268#comment-16673268
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ASF GitHub Bot commented on FLINK-10633:
----------------------------------------
zentol commented on a change in pull request #7003: [FLINK-10633][prometheus]
Add E2E test
URL: https://github.com/apache/flink/pull/7003#discussion_r230414679
##########
File path:
flink-end-to-end-tests/flink-end-to-end-tests-common/src/main/java/org/apache/flink/tests/util/CommandLineWrapper.java
##########
@@ -0,0 +1,154 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.tests.util;
+
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Utility class for setting up command-line tool usages in a readable fashion.
+ */
+public enum CommandLineWrapper {
+ ;
+
+ public static WGetBuilder wget(String url) {
+ return new WGetBuilder(url);
+ }
+
+ /**
+ * Wrapper around wget used for downloading files.
+ */
+ public static final class WGetBuilder {
+
+ private final String url;
+ private Path targetDir;
+
+ WGetBuilder(String url) {
+ this.url = url;
+ }
+
+ public WGetBuilder targetDir(Path dir) {
Review comment:
it's harder to extend as with a variety of options you'll end up with a
bloated constructor.
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> End-to-end test: Prometheus reporter
> ------------------------------------
>
> Key: FLINK-10633
> URL: https://issues.apache.org/jira/browse/FLINK-10633
> Project: Flink
> Issue Type: Sub-task
> Components: E2E Tests
> Affects Versions: 1.7.0
> Reporter: Till Rohrmann
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> Add an end-to-end test using the {{PrometheusReporter}} to verify that all
> metrics are properly reported. Additionally verify that the newly introduce
> RocksDB metrics are accessible (see FLINK-10423).
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