src/com/android/tradefed/result/EmailResultReporter.java - platform/tools/tradefederation - Git at Google

 /*
  * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed 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 com.android.tradefed.result;

 import com.android.ddmlib.testrunner.TestResult.TestStatus;
 import com.android.ddmlib.testrunner.TestRunResult;
 import com.android.tradefed.build.IBuildInfo;
 import com.android.tradefed.config.Option;
 import com.android.tradefed.config.Option.Importance;
 import com.android.tradefed.config.OptionClass;
 import com.android.tradefed.log.LogUtil.CLog;
 import com.android.tradefed.targetprep.BuildError;
 import com.android.tradefed.util.Email;
 import com.android.tradefed.util.IEmail;
 import com.android.tradefed.util.IEmail.Message;
 import com.android.tradefed.util.StreamUtil;

 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;

 /**
  * A simple result reporter base class that sends emails for test results.<br>
  * Subclasses should determine whether an email needs to be sent, and can
  * override other behavior.
  */
 @OptionClass(alias = "email")
 public class EmailResultReporter extends CollectingTestListener implements
         ITestSummaryListener {
     private static final String DEFAULT_SUBJECT_TAG = "Tradefed";

     @Option(name = "sender", description = "The envelope-sender address to use for the messages.",
             importance = Importance.IF_UNSET)
     private String mSender = null;

     @Option(name = "destination", description = "One or more destination addresses.",
             importance = Importance.IF_UNSET)
     private Collection<String> mDestinations = new HashSet<String>();

     @Option(name = "subject-tag",
             description = "The tag to be added to the beginning of the email subject.")
     private String mSubjectTag = DEFAULT_SUBJECT_TAG;

     private List<TestSummary> mSummaries = null;
     private Throwable mInvocationThrowable = null;
     private IEmail mMailer;
     private boolean mHtml;

     /**
      * Create a {@link EmailResultReporter}
      */
     public EmailResultReporter() {
         this(new Email());
     }

     /**
      * Create a {@link EmailResultReporter} with a custom {@link IEmail} instance to use.
      * <p/>
      * Exposed for unit testing.
      *
      * @param mailer the {@link IEmail} instance to use.
      */
     protected EmailResultReporter(IEmail mailer) {
         mMailer = mailer;
     }

     /**
      * Adds an email destination address.
      *
      * @param dest
      */
     public void addDestination(String dest) {
         mDestinations.add(dest);
     }


     /**
      * {@inheritDoc}
      */
     @Override
     public void putSummary(List<TestSummary> summaries) {
         mSummaries = summaries;
     }

     /**
      * Allow subclasses to get at the summaries we've received
      */
     protected List<TestSummary> fetchSummaries() {
         return mSummaries;
     }

     /**
      * A method, meant to be overridden, which should do whatever filtering is decided and determine
      * whether a notification email should be sent for the test results.  Presumably, would consider
      * how many (if any) tests failed, prior failures of the same tests, etc.
      *
      * @return {@code true} if a notification email should be sent, {@code false} if not
      */
     protected boolean shouldSendMessage() {
         return true;
     }

     /**
      * A method to generate the subject for email reports. Will not be called if
      * {@link #shouldSendMessage()} returns {@code false}.
      * <p />
      * Sample email subjects:
      * <ul>
      *   <li>"Tradefed result for powerChromeFullSitesLocal on mantaray-user git_jb-mr1.1-release
      *       JDQ39: FAILED"</li>
      *   <li>"Tradefed result for Monkey on build 25: FAILED"</li>
      * </ul>
      *
      * @return A {@link String} containing the subject to use for an email
      *         report
      */
     protected String generateEmailSubject() {
         final IBuildInfo build = getBuildInfo();  // for convenience
         final StringBuilder subj = new StringBuilder(mSubjectTag);

         subj.append(" result for ");

         if (!appendUnlessNull(subj, build.getTestTag())) {
             subj.append("(unknown suite)");
         }

         subj.append(" on ");
         appendUnlessNull(subj, build.getBuildFlavor());
         appendUnlessNull(subj, build.getBuildBranch());
         if (!appendUnlessNull(subj, build.getBuildAttributes().get("build_alias"))) {
             subj.append("build ");
             subj.append(build.getBuildId());
         }

         subj.append(": ");
         subj.append(getInvocationStatus());
         return subj.toString();
     }

     /**
      * Appends {@code str + " "} to {@code builder} IFF {@code str} is not null.
      * @return {@code true} if str is not null, {@code false} if str is null.
      */
     private boolean appendUnlessNull(StringBuilder builder, String str) {
         if (str == null) {
             return false;
         } else {
             builder.append(str);
             builder.append(" ");
             return true;
         }
     }

     /**
      * Returns the {@link InvocationStatus}
      */
     protected InvocationStatus getInvocationStatus() {
         if (mInvocationThrowable == null) {
             return InvocationStatus.SUCCESS;
         } else if (mInvocationThrowable instanceof BuildError) {
             return InvocationStatus.BUILD_ERROR;
         } else {
             return InvocationStatus.FAILED;
         }
     }

     /**
      * Returns the {@link Throwable} passed via {@link #invocationFailed(Throwable)}.
      */
     protected Throwable getInvocationException() {
         return mInvocationThrowable;
     }

     /**
      * A method to generate the body for email reports.  Will not be called if
      * {@link #shouldSendMessage()} returns {@code false}.
      *
      * @return A {@link String} containing the body to use for an email report
      */
     protected String generateEmailBody() {
         StringBuilder bodyBuilder = new StringBuilder();

         for (Map.Entry<String, String> buildAttr : getBuildInfo().getBuildAttributes().entrySet()) {
             bodyBuilder.append(buildAttr.getKey());
             bodyBuilder.append(": ");
             bodyBuilder.append(buildAttr.getValue());
             bodyBuilder.append("\n");
         }
         bodyBuilder.append("host: ");
         try {
             bodyBuilder.append(InetAddress.getLocalHost().getHostName());
         } catch (UnknownHostException e) {
             bodyBuilder.append("unknown");
             CLog.e(e);
         }
         bodyBuilder.append("\n\n");

         if (mInvocationThrowable != null) {
             bodyBuilder.append("Invocation failed: ");
             bodyBuilder.append(StreamUtil.getStackTrace(mInvocationThrowable));
             bodyBuilder.append("\n");
         }
         bodyBuilder.append(String.format("Test results:  %d passed, %d failed\n\n",
                 getNumTestsInState(TestStatus.PASSED), getNumAllFailedTests()));
         for (TestRunResult result : getRunResults()) {
             if (!result.getRunMetrics().isEmpty()) {
                 bodyBuilder.append(String.format("'%s' test run metrics: %s\n", result.getName(),
                         result.getRunMetrics()));
             }
         }
         bodyBuilder.append("\n");

         if (mSummaries != null) {
             for (TestSummary summary : mSummaries) {
                 bodyBuilder.append("Invocation summary report: ");
                 bodyBuilder.append(summary.getSummary().getString());
                 if (!summary.getKvEntries().isEmpty()) {
                     bodyBuilder.append("\".\nSummary key-value dump:\n");
                     bodyBuilder.append(summary.getKvEntries().toString());
                 }
             }
         }
         return bodyBuilder.toString();
     }

     /**
      * A method to set a flag indicating that the email body is in HTML rather than plain text
      *
      * This method must be called before the email body is generated
      *
      * @param html true if the body is html
      */
     protected void setHtml(boolean html) {
         mHtml = html;
     }

     protected boolean isHtml() {
         return mHtml;
     }

     @Override
     public void invocationFailed(Throwable t) {
         mInvocationThrowable = t;
     }

     /**
      * {@inheritDoc}
      */
     @Override
     public void invocationEnded(long elapsedTime) {
         super.invocationEnded(elapsedTime);
         if (!shouldSendMessage()) {
             return;
         }

         if (mDestinations.isEmpty()) {
             CLog.e("Failed to send email because no destination addresses were set.");
             return;
         }

         Message msg = new Message();
         msg.setSender(mSender);
         msg.setSubject(generateEmailSubject());
         msg.setBody(generateEmailBody());
         msg.setHtml(isHtml());
         Iterator<String> toAddress = mDestinations.iterator();
         while (toAddress.hasNext()) {
             msg.addTo(toAddress.next());
         }

         try {
             mMailer.send(msg);
         } catch (IllegalArgumentException e) {
             CLog.e("Failed to send email");
             CLog.e(e);
         } catch (IOException e) {
             CLog.e("Failed to send email");
             CLog.e(e);
         }
     }
 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed 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 com.android.tradefed.result;

	import com.android.ddmlib.testrunner.TestResult.TestStatus;
	import com.android.ddmlib.testrunner.TestRunResult;
	import com.android.tradefed.build.IBuildInfo;
	import com.android.tradefed.config.Option;
	import com.android.tradefed.config.Option.Importance;
	import com.android.tradefed.config.OptionClass;
	import com.android.tradefed.log.LogUtil.CLog;
	import com.android.tradefed.targetprep.BuildError;
	import com.android.tradefed.util.Email;
	import com.android.tradefed.util.IEmail;
	import com.android.tradefed.util.IEmail.Message;
	import com.android.tradefed.util.StreamUtil;

	import java.io.IOException;
	import java.net.InetAddress;
	import java.net.UnknownHostException;
	import java.util.Collection;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;

	/**
	* A simple result reporter base class that sends emails for test results.<br>
	* Subclasses should determine whether an email needs to be sent, and can
	* override other behavior.
	*/
	@OptionClass(alias = "email")
	public class EmailResultReporter extends CollectingTestListener implements
	ITestSummaryListener {
	private static final String DEFAULT_SUBJECT_TAG = "Tradefed";

	@Option(name = "sender", description = "The envelope-sender address to use for the messages.",
	importance = Importance.IF_UNSET)
	private String mSender = null;

	@Option(name = "destination", description = "One or more destination addresses.",
	importance = Importance.IF_UNSET)
	private Collection<String> mDestinations = new HashSet<String>();

	@Option(name = "subject-tag",
	description = "The tag to be added to the beginning of the email subject.")
	private String mSubjectTag = DEFAULT_SUBJECT_TAG;

	private List<TestSummary> mSummaries = null;
	private Throwable mInvocationThrowable = null;
	private IEmail mMailer;
	private boolean mHtml;

	/**
	* Create a {@link EmailResultReporter}
	*/
	public EmailResultReporter() {
	this(new Email());
	}

	/**
	* Create a {@link EmailResultReporter} with a custom {@link IEmail} instance to use.
	* <p/>
	* Exposed for unit testing.
	*
	* @param mailer the {@link IEmail} instance to use.
	*/
	protected EmailResultReporter(IEmail mailer) {
	mMailer = mailer;
	}

	/**
	* Adds an email destination address.
	*
	* @param dest
	*/
	public void addDestination(String dest) {
	mDestinations.add(dest);
	}


	/**
	* {@inheritDoc}
	*/
	@Override
	public void putSummary(List<TestSummary> summaries) {
	mSummaries = summaries;
	}

	/**
	* Allow subclasses to get at the summaries we've received
	*/
	protected List<TestSummary> fetchSummaries() {
	return mSummaries;
	}

	/**
	* A method, meant to be overridden, which should do whatever filtering is decided and determine
	* whether a notification email should be sent for the test results. Presumably, would consider
	* how many (if any) tests failed, prior failures of the same tests, etc.
	*
	* @return {@code true} if a notification email should be sent, {@code false} if not
	*/
	protected boolean shouldSendMessage() {
	return true;
	}

	/**
	* A method to generate the subject for email reports. Will not be called if
	* {@link #shouldSendMessage()} returns {@code false}.
	* <p />
	* Sample email subjects:
	* <ul>
	* <li>"Tradefed result for powerChromeFullSitesLocal on mantaray-user git_jb-mr1.1-release
	* JDQ39: FAILED"</li>
	* <li>"Tradefed result for Monkey on build 25: FAILED"</li>
	* </ul>
	*
	* @return A {@link String} containing the subject to use for an email
	* report
	*/
	protected String generateEmailSubject() {
	final IBuildInfo build = getBuildInfo(); // for convenience
	final StringBuilder subj = new StringBuilder(mSubjectTag);

	subj.append(" result for ");

	if (!appendUnlessNull(subj, build.getTestTag())) {
	subj.append("(unknown suite)");
	}

	subj.append(" on ");
	appendUnlessNull(subj, build.getBuildFlavor());
	appendUnlessNull(subj, build.getBuildBranch());
	if (!appendUnlessNull(subj, build.getBuildAttributes().get("build_alias"))) {
	subj.append("build ");
	subj.append(build.getBuildId());
	}

	subj.append(": ");
	subj.append(getInvocationStatus());
	return subj.toString();
	}

	/**
	* Appends {@code str + " "} to {@code builder} IFF {@code str} is not null.
	* @return {@code true} if str is not null, {@code false} if str is null.
	*/
	private boolean appendUnlessNull(StringBuilder builder, String str) {
	if (str == null) {
	return false;
	} else {
	builder.append(str);
	builder.append(" ");
	return true;
	}
	}

	/**
	* Returns the {@link InvocationStatus}
	*/
	protected InvocationStatus getInvocationStatus() {
	if (mInvocationThrowable == null) {
	return InvocationStatus.SUCCESS;
	} else if (mInvocationThrowable instanceof BuildError) {
	return InvocationStatus.BUILD_ERROR;
	} else {
	return InvocationStatus.FAILED;
	}
	}

	/**
	* Returns the {@link Throwable} passed via {@link #invocationFailed(Throwable)}.
	*/
	protected Throwable getInvocationException() {
	return mInvocationThrowable;
	}

	/**
	* A method to generate the body for email reports. Will not be called if
	* {@link #shouldSendMessage()} returns {@code false}.
	*
	* @return A {@link String} containing the body to use for an email report
	*/
	protected String generateEmailBody() {
	StringBuilder bodyBuilder = new StringBuilder();

	for (Map.Entry<String, String> buildAttr : getBuildInfo().getBuildAttributes().entrySet()) {
	bodyBuilder.append(buildAttr.getKey());
	bodyBuilder.append(": ");
	bodyBuilder.append(buildAttr.getValue());
	bodyBuilder.append("\n");
	}
	bodyBuilder.append("host: ");
	try {
	bodyBuilder.append(InetAddress.getLocalHost().getHostName());
	} catch (UnknownHostException e) {
	bodyBuilder.append("unknown");
	CLog.e(e);
	}
	bodyBuilder.append("\n\n");

	if (mInvocationThrowable != null) {
	bodyBuilder.append("Invocation failed: ");
	bodyBuilder.append(StreamUtil.getStackTrace(mInvocationThrowable));
	bodyBuilder.append("\n");
	}
	bodyBuilder.append(String.format("Test results: %d passed, %d failed\n\n",
	getNumTestsInState(TestStatus.PASSED), getNumAllFailedTests()));
	for (TestRunResult result : getRunResults()) {
	if (!result.getRunMetrics().isEmpty()) {
	bodyBuilder.append(String.format("'%s' test run metrics: %s\n", result.getName(),
	result.getRunMetrics()));
	}
	}
	bodyBuilder.append("\n");

	if (mSummaries != null) {
	for (TestSummary summary : mSummaries) {
	bodyBuilder.append("Invocation summary report: ");
	bodyBuilder.append(summary.getSummary().getString());
	if (!summary.getKvEntries().isEmpty()) {
	bodyBuilder.append("\".\nSummary key-value dump:\n");
	bodyBuilder.append(summary.getKvEntries().toString());
	}
	}
	}
	return bodyBuilder.toString();
	}

	/**
	* A method to set a flag indicating that the email body is in HTML rather than plain text
	*
	* This method must be called before the email body is generated
	*
	* @param html true if the body is html
	*/
	protected void setHtml(boolean html) {
	mHtml = html;
	}

	protected boolean isHtml() {
	return mHtml;
	}

	@Override
	public void invocationFailed(Throwable t) {
	mInvocationThrowable = t;
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void invocationEnded(long elapsedTime) {
	super.invocationEnded(elapsedTime);
	if (!shouldSendMessage()) {
	return;
	}

	if (mDestinations.isEmpty()) {
	CLog.e("Failed to send email because no destination addresses were set.");
	return;
	}

	Message msg = new Message();
	msg.setSender(mSender);
	msg.setSubject(generateEmailSubject());
	msg.setBody(generateEmailBody());
	msg.setHtml(isHtml());
	Iterator<String> toAddress = mDestinations.iterator();
	while (toAddress.hasNext()) {
	msg.addTo(toAddress.next());
	}

	try {
	mMailer.send(msg);
	} catch (IllegalArgumentException e) {
	CLog.e("Failed to send email");
	CLog.e(e);
	} catch (IOException e) {
	CLog.e("Failed to send email");
	CLog.e(e);
	}
	}
	}