maven-wrapper-plugin/src/it/projects/sha256_wrapper/verify.groovy

/*
 * 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
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assert new File(basedir,'mvnw').exists()
assert new File(basedir,'mvnw.cmd').exists()
assert !(new File(basedir,'mvnwDebug').exists())
assert !(new File(basedir,'mvnwDebug.cmd').exists())

properties = new File(basedir,'.mvn/wrapper/maven-wrapper.properties')
assert properties.exists()
assert properties.text.contains('wrapperSha256Sum=7e0c63c6a99639e57cc64375d6717d72e301d8ab829fef2e145ee860317bc3cb')

log = new File(basedir, 'build.log').text
// check "mvn wrapper:wrapper" output
assert log.contains('Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.')
assert !log.contains('shasum:')

// check "mvnw -v" output
assert !log.contains('Apache Maven ')