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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: commons-testing git commit: Add SecurityManagerTestRule from Apache Log4j.
Date Thu, 01 Mar 2018 23:50:31 GMT
On Thu, Mar 1, 2018 at 3:57 PM, Bernd Eckenfels <ecki@zusammenkunft.net>
wrote:

> Good Rule Gary,
>
> I wonder: do we have a convention for fields? Order might not be so
> important if you use IDEs, but when reviewing patches or pull requests I
> still prefer to have my fields at the beginning of a class.
>

Thank you for the keen eye Bernd!

Fixed in git.

Gary


>
> Gruss
> Bernd
>
> Gruss
> Bernd
> --
> http://bernd.eckenfels.net
> ________________________________
> From: ggregory@apache.org <ggregory@apache.org>
> Sent: Thursday, March 1, 2018 11:09:37 PM
> To: commits@commons.apache.org
> Subject: commons-testing git commit: Add SecurityManagerTestRule from
> Apache Log4j.
>
> Repository: commons-testing
> Updated Branches:
>   refs/heads/master 10ea280b9 -> 1696bcfef
>
>
> Add SecurityManagerTestRule from Apache Log4j.
>
> Project: http://git-wip-us.apache.org/repos/asf/commons-testing/repo
> Commit: http://git-wip-us.apache.org/repos/asf/commons-testing/
> commit/1696bcfe
> Tree: http://git-wip-us.apache.org/repos/asf/commons-testing/tree/1696bcfe
> Diff: http://git-wip-us.apache.org/repos/asf/commons-testing/diff/1696bcfe
>
> Branch: refs/heads/master
> Commit: 1696bcfef7c9d32cd3a86205c522d0a78c6e2705
> Parents: 10ea280
> Author: Gary Gregory <garydgregory@gmail.com>
> Authored: Thu Mar 1 15:09:35 2018 -0700
> Committer: Gary Gregory <garydgregory@gmail.com>
> Committed: Thu Mar 1 15:09:35 2018 -0700
>
> ----------------------------------------------------------------------
>  .../testing/junit4/SecurityManagerTestRule.java | 92 ++++++++++++++++++++
>  1 file changed, 92 insertions(+)
> ----------------------------------------------------------------------
>
>
> http://git-wip-us.apache.org/repos/asf/commons-testing/
> blob/1696bcfe/commons-testing-junit4/src/main/java/org/
> apache/commons/testing/junit4/SecurityManagerTestRule.java
> ----------------------------------------------------------------------
> diff --git a/commons-testing-junit4/src/main/java/org/apache/commons/
> testing/junit4/SecurityManagerTestRule.java b/commons-testing-junit4/src/
> main/java/org/apache/commons/testing/junit4/SecurityManagerTestRule.java
> new file mode 100644
> index 0000000..9a600ef
> --- /dev/null
> +++ b/commons-testing-junit4/src/main/java/org/apache/commons/
> testing/junit4/SecurityManagerTestRule.java
> @@ -0,0 +1,92 @@
> +/*
> + * 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.logging.log4j.junit;
> +
> +import org.junit.rules.TestRule;
> +import org.junit.runner.Description;
> +import org.junit.runners.model.Statement;
> +
> +/**
> + * Sets a security manager for a test run. The current security manager
> is first saved then restored after the test is
> + * run.
> + * <p>
> + * Using a security manager can mess up other tests so this is best used
> from integration tests (classes that end in
> + * "IT" instead of "Test" and "TestCase".)
> + * </p>
> + *
> + * <p>
> + * When this test rule is evaluated, it will:
> + * </p>
> + * <ol>
> + * <li>Save the current SecurityManager.</li>
> + * <li>Set the SecurityManager to the instance supplied to this rule.</li>
> + * <li>Evaluate the test statement.</li>
> + * <li>Reset the current SecurityManager to the one from step (1).</li>
> + * </ol>
> + */
> +public class SecurityManagerTestRule implements TestRule {
> +
> +    /**
> +     * Constructs a new instance with the given {@link SecurityManager}.
> +     * <p>
> +     * When this test rule is evaluated, it will:
> +     * </p>
> +     * <ol>
> +     * <li>Save the current SecurityManager.</li>
> +     * <li>Set the SecurityManager to the instance supplied to this
> rule.</li>
> +     * <li>Evaluate the test statement.</li>
> +     * <li>Reset the current SecurityManager to the one from step
> (1).</li>
> +     * </ol>
> +     *
> +     * @param securityManager
> +     *            the {@link SecurityManager} to use while running a test.
> +     */
> +    public SecurityManagerTestRule(final SecurityManager securityManager)
> {
> +        super();
> +        this.securityManager = securityManager;
> +    }
> +
> +    private SecurityManager securityManagerBefore;
> +    private final SecurityManager securityManager;
> +
> +    @Override
> +    public Statement apply(final Statement base, final Description
> description) {
> +        return new Statement() {
> +            @Override
> +            public void evaluate() throws Throwable {
> +                before();
> +                try {
> +                    base.evaluate();
> +                } finally {
> +                    after();
> +                }
> +            }
> +
> +            private void after() {
> +                System.setSecurityManager(securityManagerBefore);
> +            }
> +
> +            private void before() {
> +                securityManagerBefore = System.getSecurityManager();
> +                System.setSecurityManager(securityManager);
> +
> +            }
> +        };
> +    }
> +
> +}
>
>

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