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<meta charset="utf-8">
<title>In-Browser Tests for Performance Dashboard</title>
<link rel="stylesheet" href="../node_modules/mocha/mocha.css">
<script src="../node_modules/mocha/mocha.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/expect.js/0.2.0/expect.min.js"></script>
<script>

mocha.setup('bdd');

</script>
<script src="../unit-tests/resources/mock-remote-api.js"></script>
</head>
<body>
<div id="mocha"></div>
<script src="component-base-tests.js"></script>
<script src="page-tests.js"></script>
<script src="page-router-tests.js"></script>
<script src="close-button-tests.js"></script>
<script src="editable-text-tests.js"></script>
<script src="time-series-chart-tests.js"></script>
<script src="interactive-time-series-chart-tests.js"></script>
<script src="chart-status-evaluator-tests.js"></script>
<script src="chart-revision-range-tests.js"></script>
<script src="commit-log-viewer-tests.js"></script>
<script src="test-group-form-tests.js"></script>
<script>

afterEach(() => {
    BrowsingContext.cleanup();
});

class BrowsingContext {

    constructor()
    {
        let iframe = document.createElement('iframe');
        document.body.appendChild(iframe);
        iframe.style.position = 'absolute';
        iframe.style.left = '0px';
        iframe.style.top = '0px';
        BrowsingContext._iframes.push(iframe);

        // Expedite calls to callbacks to make tests go faster.
        iframe.contentWindow.requestAnimationFrame = (callback) => setTimeout(callback, 0);

        this.iframe = iframe;
        this.symbols = {};
        this.global = this.iframe.contentWindow;
        this.document = this.iframe.contentDocument;
        this._didLoadMockRemote = false;
    }

    importScripts(pathList, ...symbolList)
    {
        const doc = this.iframe.contentDocument;
        const global = this.iframe.contentWindow;

        pathList = pathList.map((path) => `../public/v3/${path}`);
        if (!this._didLoadMockRemote) {
            this._didLoadMockRemote = true;
            pathList.unshift('../unit-tests/resources/mock-remote-api.js');
        }

        return Promise.all(pathList.map((path) => {
            return new Promise((resolve, reject) => {
                let script = doc.createElement('script');
                script.addEventListener('load', resolve);
                script.addEventListener('error', reject);
                script.src = path;
                script.async = false;
                doc.body.appendChild(script);
            });
        })).then(() => {
            const script = doc.createElement('script');
            script.textContent = `window.importedSymbols = [${symbolList.join(', ')}];`;
            global.RemoteAPI = global.MockRemoteAPI;
            doc.body.appendChild(script);

            const importedSymbols = global.importedSymbols;
            for (let i = 0; i < symbolList.length; i++)
                this.symbols[symbolList[i]] = importedSymbols[i];

            return symbolList.length == 1 ? importedSymbols[0] : importedSymbols;
        });
    }

    importScript(path, ...symbols)
    {
        return this.importScripts([path], ...symbols);
    }

    static cleanup()
    {
        BrowsingContext._iframes.forEach((iframe) => { iframe.remove(); });
        BrowsingContext._iframes = [];
    }
}
BrowsingContext._iframes = [];

function waitForComponentsToRender(context)
{
    if (!context._dummyComponent) {
        const ComponentBase = context.symbols.ComponentBase;
        context._dummyComponent = class SomeComponent extends ComponentBase {
            constructor(resolve)
            {
                super();
                this._resolve = resolve;
            }
            render() { setTimeout(this._resolve, 0); }
        }
        ComponentBase.defineElement('dummy-component', context._dummyComponent);
    }
    return new Promise((resolve) => {
        const instance = new context._dummyComponent(resolve);
        context.document.body.appendChild(instance.element());
        setTimeout(() => {
            instance.enqueueToRender();
        }, 0);
    });
}

function wait(milliseconds)
{
    return new Promise((resolve) => {
        setTimeout(resolve, milliseconds);
    });
}

function canvasImageData(canvas)
{
    return canvas.getContext('2d').getImageData(0, 0, canvas.width, canvas.height);
}

function canvasRefTest(canvas1, canvas2, shouldMatch)
{
    expect(canvas1.offsetWidth).to.be(canvas2.offsetWidth);
    expect(canvas2.offsetHeight).to.be(canvas2.offsetHeight);
    const data1 = canvasImageData(canvas1).data;
    const data2 = canvasImageData(canvas2).data;
    expect(data1.length).to.be.a('number');
    expect(data1.length).to.be(data2.length);

    let match = true;
    for (let i = 0; i < data1.length; i++) {
        if (data1[i] != data2[i]) {
            match = false;
            break;
        }
    }

    if (match == shouldMatch)
        return;

    [canvas1, canvas2].forEach((canvas) => {
        let image = document.createElement('img');
        image.src = canvas.toDataURL();
        image.style.display = 'block';
        document.body.appendChild(image);
    });

    throw new Error(shouldMatch ? 'Canvas contents were different' : 'Canvas contents were identical');
}

const CanvasTest = {
    fillCanvasBeforeRedrawCheck(canvas)
    {
        const canvasContext = canvas.getContext('2d');
        canvasContext.fillStyle = 'white';
        canvasContext.fillRect(0, 0, canvas.width, canvas.height);
    },

    hasCanvasBeenRedrawn(canvas)
    {
        return canvasImageData(canvas).data.some((value) => value != 255);
    },

    canvasImageData(canvas) { return canvasImageData(canvas); },

    canvasContainsColor(canvas, color, rect = {})
    {
        const content = canvas.getContext('2d').getImageData(rect.x || 0, rect.y || 0, rect.width || canvas.width, rect.height || canvas.height);
        let found = false;
        const data = content.data;
        for (let startOfPixel = 0; startOfPixel < data.length; startOfPixel += 4) {
            let r = data[startOfPixel];
            let g = data[startOfPixel + 1];
            let b = data[startOfPixel + 2];
            let a = data[startOfPixel + 3];
            if (r == color.r && g == color.g && b == color.b && (color.a == undefined || a == color.a))
                return true;
        }
        return false;
    },

    expectCanvasesMatch(canvas1, canvas2) { return canvasRefTest(canvas1, canvas2, true); },
    expectCanvasesMismatch(canvas1, canvas2) { return canvasRefTest(canvas1, canvas2, false); },
}

const dayInMilliseconds = 24 * 3600 * 1000;

function posixTime(string) { return +new Date(string); }

const ChartTest = {
    importChartScripts(context)
    {
        return context.importScripts([
            '../shared/statistics.js',
            'lazily-evaluated-function.js',
            'instrumentation.js',
            'models/data-model.js',
            'models/time-series.js',
            'models/measurement-set.js',
            'models/measurement-cluster.js',
            'models/measurement-adaptor.js',
            'models/repository.js',
            'models/platform.js',
            'models/test.js',
            'models/metric.js',
            'models/commit-set.js',
            'models/commit-log.js',
            'components/base.js',
            'components/time-series-chart.js',
            'components/interactive-time-series-chart.js'],
            'ComponentBase', 'TimeSeriesChart', 'InteractiveTimeSeriesChart',
            'Platform', 'Metric', 'Test', 'Repository', 'MeasurementSet', 'MockRemoteAPI').then(() => {
                return context.symbols.TimeSeriesChart;
            })
    },

    posixTime: posixTime,

    get sampleCluster() { return this.makeSampleCluster(); },

    makeModelObjectsForSampleCluster(context)
    {
        const test = context.symbols.Test.ensureSingleton(2, {name: 'Test'});
        const metric = context.symbols.Metric.ensureSingleton(1, {name: 'Time', test})
        const platform = context.symbols.Platform.ensureSingleton(1,
            {name: 'SomePlatform', metrics: [metric], lastModifiedByMetric: [posixTime('2016-01-18T00:00:00Z')]});
        metric.addPlatform(platform);
        context.symbols.Repository.ensureSingleton(1, {name: 'SomeApp'});
        context.symbols.Repository.ensureSingleton(2, {name: 'macOS'});
    },

    makeSampleCluster(options = {})
    {
        const baselineStart = options.baselineIsSmaller ? 30 : 130;
        const targetStart = options.targetIsBigger ? 120 : 90;
        return {
        "clusterStart": posixTime('2016-01-01T00:00:00Z'),
        "clusterSize": 7 * dayInMilliseconds,
        "startTime": posixTime('2016-01-01T00:00:00Z'),
        "endTime": posixTime('2016-01-08T00:00:00Z'),
        "lastModified": posixTime('2016-01-18T00:00:00Z'),
        "clusterCount": 1,
        "status": "OK",
        "formatMap": [
            "id", "mean", "iterationCount", "sum", "squareSum", "markedOutlier",
            "revisions",
            "commitTime", "build", "buildTime", "buildNumber", "builder"
        ],
        "configurations": {
            "current": [
                [
                    1000, 100, 1, 100, 100 * 100, false,
                    [ [2000, 1, "4000", posixTime('2016-01-05T17:35:00Z')], [3000, 2, "15B42", 0] ],
                    posixTime('2016-01-05T17:35:00Z'), 5000, posixTime('2016-01-05T19:23:00Z'), "10", 7
                ],
                [
                    1001, 131, 1, 131, 131 * 131, true,
                    [ [2001, 1, "4001", posixTime('2016-01-05T18:43:01Z')], [3000, 2, "15B42", 0] ],
                    posixTime('2016-01-05T18:43:01Z'), 5001, posixTime('2016-01-05T20:58:01Z'), "11", 7
                ],
                [
                    1002, 122, 1, 122, 122 * 122, false,
                    [ [2002, 1, "4002", posixTime('2016-01-05T20:01:02Z')], [3000, 2, "15B42", 0] ],
                    posixTime('2016-01-05T20:01:02Z'), 5002, posixTime('2016-01-05T22:37:02Z'), "12", 7
                ],
                [
                    1003, 113, 1, 113, 113 * 113, false,
                    [ [2003, 1, "4003", posixTime('2016-01-05T23:19:03Z')], [3000, 2, "15B42", 0] ],
                    posixTime('2016-01-05T23:19:03Z'), 5003, posixTime('2016-01-06T23:19:03Z'), "13", 7
                ],
                [
                    1004, 124, 1, 124, 124 * 124, false,
                    [ [2004, 1, "4004", posixTime('2016-01-06T01:52:04Z')], [3001, 2, "15C50", 0] ],
                    posixTime('2016-01-06T01:52:04Z'), 5004, posixTime('2016-01-06T02:42:04Z'), "14", 7
                ],
                [
                    1005, 115, 1, 115, 115 * 115, true,
                    [ [2005, 1, "4005", posixTime('2016-01-06T03:22:05Z')], [3001, 2, "15C50", 0] ],
                    posixTime('2016-01-06T03:22:05Z'), 5005, posixTime('2016-01-06T06:01:05Z'), "15", 7
                ],
                [
                    1006, 116, 1, 116, 116 * 116, false,
                    [ [2006, 1, "4006", posixTime('2016-01-06T05:59:06Z')], [3001, 2, "15C50", 0] ],
                    posixTime('2016-01-06T05:59:06Z'), 5006, posixTime('2016-01-06T08:34:06Z'), "16", 7
                ]
            ],
            "baseline": [
                [
                    7000, baselineStart, 1, baselineStart, baselineStart * baselineStart, false,
                    [ ],
                    posixTime('2016-01-05T12:00:30Z'), 5030, posixTime('2016-01-05T12:00:30Z'), "30", 7
                ],
                [
                    7001, baselineStart + 1, 1, baselineStart + 1, Math.pow(baselineStart + 1, 2), false,
                    [ ],
                    posixTime('2016-01-06T00:00:31Z'), 5031, posixTime('2016-01-06T00:00:31Z'), "31", 7
                ],
            ],
            "target": [
                [
                    8000, targetStart, 1, targetStart, targetStart * targetStart, false,
                    [ ],
                    posixTime('2016-01-05T12:00:30Z'), 5030, posixTime('2016-01-05T12:00:30Z'), "90", 7
                ],
                [
                    8001, targetStart + 1, 1, targetStart + 1, Math.pow(targetStart + 1, 2), false,
                    [ ],
                    posixTime('2016-01-06T00:00:31Z'), 5031, posixTime('2016-01-06T00:00:31Z'), "91", 7
                ],
            ]
        }};
    },

    createChartWithSampleCluster(context, sourceList = null, chartOptions = {}, className = 'TimeSeriesChart')
    {
        const TimeSeriesChart = context.symbols[className];
        const MeasurementSet = context.symbols.MeasurementSet;

        if (sourceList == null)
            sourceList = [{type: 'current'}];

        const sampleCluster = MeasurementSet.findSet(1, 1, 0);
        for (let source of sourceList) {
            if (!source.type)
                source.type = 'current';
            source.measurementSet = sampleCluster;
        }

        const chart = new TimeSeriesChart(sourceList, chartOptions);
        const element = chart.element();
        element.style.width = chartOptions.width || '300px';
        element.style.height = chartOptions.height || '100px';
        context.document.body.appendChild(element);

        return chart;
    },

    createInteractiveChartWithSampleCluster(context, sourceList = null, chartOptions = {})
    {
        if (sourceList == null)
            sourceList = [{type: 'current', interactive: true}];
        return this.createChartWithSampleCluster(context, sourceList, chartOptions, 'InteractiveTimeSeriesChart');
    },

    respondWithSampleCluster(request, options)
    {
        expect(request.url).to.be('../data/measurement-set-1-1.json');
        expect(request.method).to.be('GET');
        request.resolve(this.makeSampleCluster(options));
    },
};

mocha.checkLeaks();
mocha.globals(['expect', 'BrowsingContext', 'CanvasTest', 'ChartTest', 'wait', 'waitForComponentsToRender']);
mocha.run();

</script>
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