testx-html-reporter/index.js

HTML reporter for testx

var fs     = require('fs'),
    mkdirp = require('mkdirp'),
    _      = require('lodash'),
    path   = require('path'),
    hat    = require('hat');

require('string.prototype.startswith');

var UNDEFINED, exportObject = exports;


function trim(str) { return str.replace(/^\s+/, "" ).replace(/\s+$/, "" ); }
function elapsed(start, end) { return (end - start)/1000; }
function isFailed(obj) { return obj.status === "failed"; }
function isSkipped(obj) { return obj.status === "pending"; }
function isDisabled(obj) { return obj.status === "disabled"; }
function parseDecimalRoundAndFixed(num,dec){
    var d =  Math.pow(10,dec);
    return (Math.round(num * d) / d).toFixed(dec);
}
function extend(dupe, obj) { // performs a shallow copy of all props of `obj` onto `dupe`
    for (var prop in obj) {
        if (obj.hasOwnProperty(prop)) {
            dupe[prop] = obj[prop];
        }
    }
    return dupe;
}
function escapeInvalidHtmlChars(str) {
    return str
        .replace(/&/g, "&")
        .replace(/</g, "&lt;")
        .replace(/>/g, "&gt;")
        .replace(/"/g, "&quot;")
        .replace(/'/g, "&#039;");
}
function getQualifiedFilename(path, filename, separator) {
    if (path && path.substr(-1) !== separator && filename.substr(0) !== separator) {
        path += separator;
    }
    return path + filename;
}
function log(str) {
    var con = global.console || console;
    if (con && con.log) {
        con.log(str);
    }
}
function rmdir(dir) {
    try {
        var list = fs.readdirSync(dir);
        for (var i = 0; i < list.length; i++) {
            var filename = path.join(dir, list[i]);
            var stat = fs.statSync(filename);

            if (stat.isDirectory()) {
                // rmdir recursively
                rmdir(filename);
            } else {
                // rm fiilename
                fs.unlinkSync(filename);
            }
        }
        fs.rmdirSync(dir);
    }catch (e) { log("problem trying to remove a folder"); }
};

function Jasmine2HTMLReporter(options) {

    var self = this;

    self.started = false;
    self.finished = false;
    // sanitize arguments
    options = options || {};
    self.takeScreenshots = options.takeScreenshots === UNDEFINED ? true : options.takeScreenshots;
    self.savePath = options.savePath || '';
    if(self.savePath && !self.savePath.endsWith('/')) {
        self.savePath += "/"
    }
    self.takeScreenshotsOnlyOnFailures = options.takeScreenshotsOnlyOnFailures === UNDEFINED ? false : options.takeScreenshotsOnlyOnFailures;
    self.screenshotsFolder = (options.screenshotsFolder || 'screenshots').replace(/^\//, '') + '/';
    self.useDotNotation = options.useDotNotation === UNDEFINED ? true : options.useDotNotation;
    self.consolidate = options.consolidate === UNDEFINED ? true : options.consolidate;
    self.consolidateAll = self.consolidate !== false && (options.consolidateAll === UNDEFINED ? true : options.consolidateAll);
    self.filePrefix = options.filePrefix || (self.consolidateAll ? 'htmlReport' : 'htmlReport-');

    self.showPassed = !!options.showPassed;
    self.showSkippedCount = !!options.showSkippedCount;
    self.showStacktrace = !!options.showStacktrace;

    var suites = [],
        currentSuite = null,
        totalSpecsExecuted = 0,
        totalSpecsDefined,
    // when use use fit, jasmine never calls suiteStarted / suiteDone, so make a fake one to use
        fakeFocusedSuite = {
            id: 'focused',
            description: 'focused specs',
            fullName: 'focused specs'
        };

    var __suites = {}, __specs = {};
    function getSuite(suite) {
        __suites[suite.id] = extend(__suites[suite.id] || {}, suite);
        return __suites[suite.id];
    }
    function getSpec(spec) {
        __specs[spec.id] = extend(__specs[spec.id] || {}, spec);
        return __specs[spec.id];
    }

    self.jasmineStarted = function(summary) {
        totalSpecsDefined = summary && summary.totalSpecsDefined || NaN;
        exportObject.startTime = new Date();
        self.started = true;

        //Delete previous screenshoots
        rmdir(self.savePath);

    };
    self.suiteStarted = function(suite) {
        suite = getSuite(suite);
        suite._startTime = new Date();
        suite._specs = [];
        suite._suites = [];
        suite._failures = 0;
        suite._skipped = 0;
        suite._disabled = 0;
        suite._parent = currentSuite;
        if (!currentSuite) {
            suites.push(suite);
        } else {
            currentSuite._suites.push(suite);
        }
        currentSuite = suite;
    };
    self.specStarted = function(spec) {
        if (!currentSuite) {
            // focused spec (fit) -- suiteStarted was never called
            self.suiteStarted(fakeFocusedSuite);
        }
        spec = getSpec(spec);
        spec._startTime = new Date();
        spec._suite = currentSuite;
        currentSuite._specs.push(spec);
    };
    self.specDone = function(spec) {
        spec = getSpec(spec);
        spec._endTime = new Date();
        if (isSkipped(spec)) { spec._suite._skipped++; }
        if (isDisabled(spec)) { spec._suite._disabled++; }
        if (isFailed(spec)) { spec._suite._failures++; }
        totalSpecsExecuted++;

        //Take screenshots taking care of the configuration
        if ((self.takeScreenshots && !self.takeScreenshotsOnlyOnFailures) ||
            (self.takeScreenshots && self.takeScreenshotsOnlyOnFailures && isFailed(spec))) {
            spec.screenshot = hat() + '.png';
            browser.takeScreenshot().then(function (png) {
                browser.getCapabilities().then(function (capabilities) {
                    var screenshotPath;


                    //Folder structure and filename
                    screenshotPath = path.join(self.savePath + self.screenshotsFolder, spec.screenshot);

                    mkdirp(path.dirname(screenshotPath), function (err) {
                        if (err) {
                            throw new Error('Could not create directory for ' + screenshotPath);
                        }
                        writeScreenshot(png, screenshotPath);
                    });
                });
            });
        }


    };
    self.suiteDone = function(suite) {
        suite = getSuite(suite);
        if (suite._parent === UNDEFINED) {
            // disabled suite (xdescribe) -- suiteStarted was never called
            self.suiteStarted(suite);
        }
        suite._endTime = new Date();
        currentSuite = suite._parent;
    };
    self.jasmineDone = function() {
        if (currentSuite) {
            // focused spec (fit) -- suiteDone was never called
            self.suiteDone(fakeFocusedSuite);
        }

        var tests = 0, failed = 0, skipped = 0;
        for (var i = 0; i < suites.length; i++) {
          s = suites[i];
          tests += s._specs.length;
          failed += s._failures;
          skipped += s._skipped;
        }
        output = '<h1' + (failed ? ' style="color:red;"' : '') + '>Tests: ' + tests +
                  (self.showSkippedCount ? ' Skipped: ' + skipped : '') + ' Failures: ' + failed + '</h1>';
        for (var i = 0; i < suites.length; i++) {
            output += self.getOrWriteNestedOutput(suites[i]);
        }
        // if we have anything to write here, write out the consolidated file
        if (output) {
            wrapOutputAndWriteFile(self.filePrefix, output);
        }
        //log("Specs skipped but not reported (entire suite skipped or targeted to specific specs)", totalSpecsDefined - totalSpecsExecuted + totalSpecsDisabled);

        self.finished = true;
        // this is so phantomjs-testrunner.js can tell if we're done executing
        exportObject.endTime = new Date();
    };

    self.getOrWriteNestedOutput = function(suite) {
        var output = suiteAsHtml(suite);
        for (var i = 0; i < suite._suites.length; i++) {
            output += self.getOrWriteNestedOutput(suite._suites[i]);
        }
        if (self.consolidateAll || self.consolidate && suite._parent) {
            return output;
        } else {
            // if we aren't supposed to consolidate output, just write it now
            wrapOutputAndWriteFile(generateFilename(suite), output);
            return '';
        }
    };

    /******** Helper functions with closure access for simplicity ********/
    function generateFilename(suite) {
        return self.filePrefix + getFullyQualifiedSuiteName(suite, true) + '.html';
    }

    function getFullyQualifiedSuiteName(suite, isFilename) {
        var fullName;
        if (self.useDotNotation || isFilename) {
            fullName = suite.description;
            for (var parent = suite._parent; parent; parent = parent._parent) {
                fullName = parent.description + '.' + fullName;
            }
        } else {
            fullName = suite.fullName;
        }

        // Either remove or escape invalid HTML characters
        if (isFilename) {
            var fileName = "",
                rFileChars = /[\w\.]/,
                chr;
            while (fullName.length) {
                chr = fullName[0];
                fullName = fullName.substr(1);
                if (rFileChars.test(chr)) {
                    fileName += chr;
                }
            }
            return fileName;
        } else {
            return escapeInvalidHtmlChars(fullName);
        }
    }

    var writeScreenshot = function (data, filename) {
        var stream = fs.createWriteStream(filename);
        stream.write(new Buffer(data, 'base64'));
        stream.end();
    };

    function suiteAsHtml(suite) {

        var html = '<article class="suite">';
        html += '<header>';
        html += '<h2>' + getFullyQualifiedSuiteName(suite) + ' - ' + elapsed(suite._startTime, suite._endTime) + 's</h2>';
        html += '<ul class="stats">';
        html += '<li>Tests: <strong>' + suite._specs.length + '</strong></li>';
        if(self.showSkippedCount) {
          html += '<li>Skipped: <strong>' + suite._skipped + '</strong></li>';
        }
        html += '<li>Failures: <strong>' + suite._failures + '</strong></li>';
        html += '</ul> </header>';

        for (var i = 0; i < suite._specs.length; i++) {
            var spec = suite._specs[i];
            if(self.showPassed || spec.status != 'passed') {
              html += '<div class="spec">';
              html += specAsHtml(spec);
                  html += '<div class="resume">';
                  if (spec.screenshot !== UNDEFINED){
                      html += '<a href="' + self.screenshotsFolder + '/' + spec.screenshot + '">';
                      html += '<img src="' + self.screenshotsFolder + '/' + spec.screenshot + '" width="100" height="100" />';
                      html += '</a>';
                  }
                  html += '<br />';
                  var num_tests= spec.failedExpectations.length + spec.passedExpectations.length;
                  var percentage = (spec.passedExpectations.length*100)/num_tests;
                  html += '<span>Tests passed: ' + parseDecimalRoundAndFixed(percentage,2) + '%</span><br /><progress max="100" value="' + Math.round(percentage) + '"></progress>';
                  html += '</div>';
              html += '</div>';
            }
        }
        html += '\n </article><br/>';
        return html;
    }
    function specAsHtml(spec) {
        var html = '<div class="description">';
        html += '<h3>' + escapeInvalidHtmlChars(spec.description) + ' - ' + elapsed(spec._startTime, spec._endTime) + 's</h3>';

        if (spec.failedExpectations.length > 0 || spec.passedExpectations.length > 0 ){
            html += '<ul>';
            _.each(spec.failedExpectations, function(expectation){
                html += '<li>';
                html += expectation.message + '<span style="padding:0 1em;color:red;">&#10007;</span>';
                if(self.showStacktrace) {
                  html += '<p><strong>Stacktrace:</strong><br/>' + expectation.stack + '</p>';
                }
                html += '</li>';
            });
            _.each(spec.passedExpectations, function(expectation){
                html += '<li>';
                html += expectation.message + '<span style="padding:0 1em;color:green;">&#10003;</span>';
                html += '</li>';
            });
            html += '</ul></div>';
        }
        return html;
    }

    self.writeFile = function(filename, text) {
        var errors = [];
        var path = self.savePath;

        function phantomWrite(path, filename, text) {
            // turn filename into a qualified path
            filename = getQualifiedFilename(path, filename, window.fs_path_separator);
            // write via a method injected by phantomjs-testrunner.js
            __phantom_writeFile(filename, text);
        }

        function nodeWrite(path, filename, text) {
            var fs = require("fs");
            var nodejs_path = require("path");
            require("mkdirp").sync(path); // make sure the path exists
            var filepath = nodejs_path.join(path, filename);
            var htmlfile = fs.openSync(filepath, "w");
            fs.writeSync(htmlfile, text, 0);
            fs.closeSync(htmlfile);
            return;
        }
        // Attempt writing with each possible environment.
        // Track errors in case no write succeeds
        try {
            phantomWrite(path, filename, text);
            return;
        } catch (e) { errors.push('  PhantomJs attempt: ' + e.message); }
        try {
            nodeWrite(path, filename, text);
            return;
        } catch (f) { errors.push('  NodeJS attempt: ' + f.message); }

        // If made it here, no write succeeded.  Let user know.
        log("Warning: writing html report failed for '" + path + "', '" +
            filename + "'. Reasons:\n" +
            errors.join("\n")
        );
    };

    // To remove complexity and be more DRY about the silly preamble and <testsuites> element
    var prefix = '<!DOCTYPE html><html><head lang=en><meta charset=UTF-8><title></title><style>body{font-family:"open_sans",sans-serif}.suite{width:100%;overflow:auto}.suite .stats{margin:0;width:90%;padding:0}.suite .stats li{display:inline;list-style-type:none;padding-right:20px}.suite h2{margin:0}.suite header{margin:0;padding:5px 0 5px 5px;background:#003d57;color:white}.spec{width:100%;overflow:auto;border-bottom:1px solid #e5e5e5}.spec:hover{background:#e8f3fb}.spec h3{margin:5px 0}.spec .description{margin:1% 2%;width:65%;float:left}.spec .resume{width:29%;margin:1%;float:left;text-align:center}</style></head>';
        prefix += '<body><section>';
    var suffix = '\n</section></body></html>';
    function wrapOutputAndWriteFile(filename, text) {
        if (filename.substr(-5) !== '.html') { filename += '.html'; }
        self.writeFile(filename, (prefix + text + suffix));
    }

    return this;
}

module.exports = Jasmine2HTMLReporter;