kaiwangleo commented on code in PR #995:
URL: https://github.com/apache/flink-agents/pull/995#discussion_r3763937498


##########
tools/test/integration/build_help.bats:
##########
@@ -0,0 +1,47 @@
+#!/usr/bin/env bats
+
+################################################################################
+#  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.
+################################################################################
+
+BUILD_SCRIPT="${BATS_TEST_DIRNAME}/../../build.sh"
+
+@test "build --help prints usage and exits 0" {
+    run bash "$BUILD_SCRIPT" --help
+
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"Build Flink Agents Java and Python artifacts"* ]]
+    [[ "$output" == *"Usage:"* ]]
+    [[ "$output" == *"--java"* ]]
+    [[ "$output" == *"--python"* ]]
+}
+
+@test "build -h prints usage and exits 0" {
+    run bash "$BUILD_SCRIPT" -h
+
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"Usage:"* ]]
+}
+
+@test "build rejects an unknown option with usage" {
+    run bash "$BUILD_SCRIPT" --no-such-option
+
+    [ "$status" -ne 0 ]

Review Comment:
   Updated in commit 3605821f: the unknown-option regression test now asserts 
the expected usage-error exit code with `[ $status -eq 1 ]`. The focused Bats 
test passes.



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