Tools/BuildSlaveSupport/build.webkit.org-config/public_html/TestFailures/scripts/FlakyLayoutTestDetector_unittests.js

/*
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(function() {

module('FlakyLayoutTestDetector');

const runs = [
    {
        buildName: 'build6',
        failingTests: {
            b: 'fail',
        },
        tooManyFailures: false,
    },
    {
        buildName: 'build5',
        failingTests: {
            a: 'fail',
            b: 'fail',
        },
        tooManyFailures: false,
    },
    {
        buildName: 'build4',
        failingTests: {
            b: 'fail',
        },
        tooManyFailures: false,
    },
    {
        buildName: 'build3',
        failingTests: {
            a: 'crash',
            b: 'fail',
        },
        tooManyFailures: false,
    },
    {
        buildName: 'build2',
        failingTests: {
            a: 'fail',
        },
        tooManyFailures: false,
    },
    {
        buildName: 'build1',
        failingTests: {},
        tooManyFailures: false,
    },
];

test('possiblyFlakyTests', 1, function() {
    var detector = new FlakyLayoutTestDetector();
    runs.forEach(function(run) { detector.incorporateTestResults(run.buildName, run.failingTests, run.tooManyFailures) });

    deepEqual(detector.possiblyFlakyTests, ['a']);
});

test('allFailures', 3, function() {
    var detector = new FlakyLayoutTestDetector();
    runs.forEach(function(run) { detector.incorporateTestResults(run.buildName, run.failingTests, run.tooManyFailures) });

    deepEqual(detector.allFailures('a'), [
        { build: 'build5', result: 'fail' },
        { build: 'build3', result: 'crash' },
        { build: 'build2', result: 'fail' },
    ]);

    deepEqual(detector.allFailures('b'), [
        { build: 'build6', result: 'fail' },
        { build: 'build5', result: 'fail' },
        { build: 'build4', result: 'fail' },
        { build: 'build3', result: 'fail' },
    ]);

    equal(detector.allFailures('c'), null);
});

test('failing many times in a row should not count as flaky', 3, function() {
    var detector = new FlakyLayoutTestDetector();
    for (var i = 0; i < 10; ++i)
        detector.incorporateTestResults('build', { a: 'fail' }, false);

    deepEqual(detector.possiblyFlakyTests, []);

    for (var i = 0; i < 3; ++i)
        detector.incorporateTestResults('build', {}, false);

    deepEqual(detector.possiblyFlakyTests, []);

    detector.incorporateTestResults('build', { a: 'fail' }, false);

    deepEqual(detector.possiblyFlakyTests, []);
});

test('failing after passing many times in a row should not count as flaky', 3, function() {
    var detector = new FlakyLayoutTestDetector();
    detector.incorporateTestResults('build', { a: 'fail' }, false);

    deepEqual(detector.possiblyFlakyTests, []);

    for (var i = 0; i < 10; ++i)
        detector.incorporateTestResults('build', {}, false);

    deepEqual(detector.possiblyFlakyTests, []);

    detector.incorporateTestResults('build', { a: 'fail' }, false);

    deepEqual(detector.possiblyFlakyTests, []);
});

test('flaking now should override many past failures', 1, function() {
    var detector = new FlakyLayoutTestDetector();
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    for (var i = 0; i < 10; ++i)
        detector.incorporateTestResults('build', { a: 'fail' }, false);
    deepEqual(detector.possiblyFlakyTests, ['a']);
});

test('passing now should override past flakiness', 1, function() {
    var detector = new FlakyLayoutTestDetector();
    for (var i = 0; i < 10; ++i)
        detector.incorporateTestResults('build', {}, false);
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    deepEqual(detector.possiblyFlakyTests, []);
});

test('too many failures now should not override past flakiness', 1, function() {
    var detector = new FlakyLayoutTestDetector();
    for (var i = 0; i < 10; ++i)
        detector.incorporateTestResults('build', {}, true);
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    detector.incorporateTestResults('build', { a: 'fail' }, false);
    detector.incorporateTestResults('build', {}, false);
    deepEqual(detector.possiblyFlakyTests, ['a']);
});

})();