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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 var builders = builders || {};
     27 
     28 (function() {
     29 
     30 var kUpdateStepName = 'update';
     31 var kUpdateScriptsStepName = 'update_scripts';
     32 var kCompileStepName = 'compile';
     33 var kWebKitTestsStepNames = ['webkit_tests', 'layout-test'];
     34 
     35 var kCrashedOrHungOutputMarker = 'crashed or hung';
     36 
     37 function buildBotURL(platform)
     38 {
     39     return config.kPlatforms[platform].buildConsoleURL;
     40 }
     41 
     42 function urlForBuildInfo(platform, builderName, buildNumber)
     43 {
     44     return buildBotURL(platform) + '/json/builders/' + encodeURIComponent(builderName) + '/builds/' + encodeURIComponent(buildNumber);
     45 }
     46 
     47 function didFail(step)
     48 {
     49     if (kWebKitTestsStepNames.indexOf(step.name) != -1) {
     50         // run-webkit-tests fails to generate test coverage when it crashes or hangs.
     51         // FIXME: Do build.webkit.org bots output this marker when the tests fail to run?
     52         return step.text.indexOf(kCrashedOrHungOutputMarker) != -1;
     53     }
     54     // The first item in step.results is the success of the step:
     55     // 0 == pass, 1 == warning, 2 == fail
     56     return step.results[0] == 2;
     57 }
     58 
     59 function failingSteps(buildInfo)
     60 {
     61     return buildInfo.steps.filter(didFail);
     62 }
     63 
     64 function mostRecentCompletedBuildNumber(individualBuilderStatus)
     65 {
     66     if (!individualBuilderStatus)
     67         return null;
     68 
     69     for (var i = individualBuilderStatus.cachedBuilds.length - 1; i >= 0; --i) {
     70         var buildNumber = individualBuilderStatus.cachedBuilds[i];
     71         if (individualBuilderStatus.currentBuilds.indexOf(buildNumber) == -1)
     72             return buildNumber;
     73     }
     74 
     75     return null;
     76 }
     77 
     78 var g_buildInfoCache = new base.AsynchronousCache(function(key, callback) {
     79     var explodedKey = key.split('\n');
     80     net.get(urlForBuildInfo(explodedKey[0], explodedKey[1], explodedKey[2]), callback);
     81 });
     82 
     83 builders.clearBuildInfoCache = function()
     84 {
     85     g_buildInfoCache.clear();
     86 }
     87 
     88 function fetchMostRecentBuildInfoByBuilder(platform, callback)
     89 {
     90     net.get(buildBotURL(platform) + '/json/builders', function(builderStatus) {
     91         var buildInfoByBuilder = {};
     92         var builderNames = Object.keys(builderStatus);
     93         var requestTracker = new base.RequestTracker(builderNames.length, callback, [buildInfoByBuilder]);
     94         builderNames.forEach(function(builderName) {
     95             if (!config.builderApplies(builderName)) {
     96                 requestTracker.requestComplete();
     97                 return;
     98             }
     99 
    100             var buildNumber = mostRecentCompletedBuildNumber(builderStatus[builderName]);
    101             if (!buildNumber) {
    102                 buildInfoByBuilder[builderName] = null;
    103                 requestTracker.requestComplete();
    104                 return;
    105             }
    106 
    107             g_buildInfoCache.get(platform + '\n' + builderName + '\n' + buildNumber, function(buildInfo) {
    108                 buildInfoByBuilder[builderName] = buildInfo;
    109                 requestTracker.requestComplete();
    110             });
    111         });
    112     });
    113 }
    114 
    115 builders.buildersFailingNonLayoutTests = function(callback)
    116 {
    117     fetchMostRecentBuildInfoByBuilder(config.currentPlatform, function(buildInfoByBuilder) {
    118         var failureList = {};
    119         $.each(buildInfoByBuilder, function(builderName, buildInfo) {
    120             if (!buildInfo)
    121                 return;
    122             var failures = failingSteps(buildInfo);
    123             if (failures.length)
    124                 failureList[builderName] = failures.map(function(failure) { return failure.name; });
    125         });
    126         callback(failureList);
    127     });
    128 };
    129 
    130 builders.mostRecentBuildForBuilder = function(platform, builderName, callback) {
    131     net.get(buildBotURL(platform) + '/json/builders/' + builderName, function(builderStatus) {
    132         var cachedBuilds = builderStatus.cachedBuilds;
    133         var mostRecentBuild = Math.max.apply(Math, cachedBuilds);
    134         callback(mostRecentBuild);
    135     });
    136 };
    137 
    138 })();
    139