index.js

#!/usr/bin/env node

/* globals showdown */
/* jshint laxcomma:true, strict:false, -W116 */

var fs = require("fs-extra")
,   pth = require("path")
,   nopt = require("nopt")
,   cwd = process.cwd()
,   jn = pth.join
,   dn = __dirname
,   resDir = jn(dn, "res")
,   rfs = function (path) { return fs.readFileSync(path, "utf8"); }
,   wfs = function (path, content) { fs.writeFileSync(path, content, { encoding: "utf8" }); }
,   rjson = function (path) { return JSON.parse(rfs(path)); }
,   wjson = function (path, obj) { wfs(path, JSON.stringify(obj, null, 2)); }
,   tmpl = rfs(jn(resDir, "template.html"))
,   knownOpts = {
                    input:      String
                ,   output:     String
                ,   help:       Boolean
                ,   spec:       String
                ,   version:    Boolean
                ,   markdown:   Boolean
                ,   description:String
                ,   failures:   Boolean
                }
,   shortHands = {
                    i:      ["--input"]
                ,   o:      ["--output"]
                ,   h:      ["--help"]
                ,   s:      ["--spec"]
                ,   v:      ["--version"]
                ,   m:      ["--markdown"]
                ,   d:      ["--description"]
                ,   f:      ["--failures"]
                }
,   out = {
        ua: []
    ,   results: {}
    }
,   lessThanTwo = []
,   all = []
,   completeFail = []
,   err = function (str) {
        console.error("[ERROR] " + str);
        process.exit(1);
    }
,   esc = function (str) {
        if (str === undefined || str === "ManualCheckNeeded") return "-";
        if (!str) return str;
        return str.replace(/&/g, "&")
                  .replace(/</g, "&lt;")
                  .replace(/>/g, "&gt;")
                  .replace("_constructor", "constructor")
        ;
    }
,   interpolate = function (data) {
        return tmpl.replace(/\{\{(\w+)\}\}/g, function (m, p1) {
            return data[p1] !== undefined ? data[p1] : "@@@ERROR@@@";
        });
    }
,   cells = function (data) {
        var res = "";
        for (var i = 0, n = out.ua.length; i < n; i++) res += "<td class='" + data[out.ua[i]] + "'>" + esc(data[out.ua[i]]) + "</td>";
        return res;
    }
,   reports = []
,   subtestsPerTest = {}
,   consolidated = {}
,   totalSubtests = 0
,   uaPass = {}
,   copyFiles = "analysis.css jquery.min.js sticky-headers.js bootstrap.min.css".split(" ")
,   filter = {}
,   showdown = require("showdown")
,   messages = function (data) {
        var res = "";
        for (var i = 0, n = out.ua.length; i < n; i++) {
            if (data.hasOwnProperty(out.ua[i])) {
              var message = options.markdown ? markdown.makeHtml(data[out.ua[i]]) : esc(data[out.ua[i]]) ;
              res += "<tr class='message'><td class='ua'>"+out.ua[i]+":</td><td> "+message+"</td></tr>\n";
            }
        }
        if (res !== "") {
            res = "<tr class='messages'><td colspan='" + (n+1) + "'><table>"+res+"</table></td></tr>\n";
        }
        return res;
    }
;

showdown.extension('strip', function() {
    return [
    { type: 'output',
        regex: /<p>/,
        replace: ''
    },
    { type: 'output',
        regex: /<\/p>$/,
        replace: ''
    }
    ];
});

var markdown = new showdown.Converter({ extensions: [ 'strip' ] });


// parse the command line options so we know the input directory if any
var parsed = nopt(knownOpts, shortHands)
,   defaults = {} ;

// Read in a defaults file if there is one
if (fs.existsSync(jn(parsed.input || cwd, "wptreport.json"))) defaults = require(jn( parsed.input || cwd, "wptreport.json"));

// now set the options, preferring command line, then options from file, then built-in defaults
var options = {
        input:      parsed.input || cwd
    ,   output:     parsed.output || defaults['output'] || cwd
    ,   help:       parsed.help || false
    ,   version:    parsed.version || false
    ,   spec:       parsed.spec || defaults['spec'] || ""
    ,   failures:   parsed.failures || defaults['failures'] || false
    ,   markdown:   parsed.markdown || defaults['markdown'] || false
    ,   description:parsed.description || defaults['description'] || ""
    }
,   prefix = options.spec ? options.spec + ": " : ""
;

if (options.help) {
    console.log([
        "wptreport [--input /path/to/dir] [--output /path/to/dir] [--spec SpecName]"
    ,   ""
    ,   "   Generate nice-looking reports of various types based on test run reports coming"
    ,   "   out of Web Platform Tests."
    ,   ""
    ,   "   --input, -i  <directory> that contains all the JSON. JSON files must match the pattern"
    ,   "                \\w{2}\\d{d}\\.json. Defaults to the current directory. This is also where"
    ,   "                the filter.js and wptreport.json are found, if any."
    ,   "   --output*, -o <directory> where the generated reports are stored. Defaults to the current"
    ,   "                directory."
    ,   "   --failures*, -f to include any failure message text"
    ,   "   --markdown*, -m to interpret subtest name as Markdown"
    ,   "   --description*, -d description file to use to annotate the report."
    ,   "   --spec*, -s SpecName to use in titling the report."
    ,   "   --help, -h to produce this message."
    ,   "   --version, -v to show the version number."
    ,   ""
    ,   "  Options marked with asterisks above can also be set by putting their settings in a"
    ,   "  wptreport.json file in the input directory."
    ,   ""
    ].join("\n"));
    process.exit(0);
}

if (options.version) {
    console.log("wptreport " + require("./package.json").version);
    process.exit(0);
}

if (!fs.existsSync(options.input)) err("No input directory: " + options.input);
if (!fs.existsSync(options.output)) err("No output directory: " + options.output);

fs.readdirSync(options.input)
    .forEach(function (f) {
        if (!/^\w\w\d\d\.json$/.test(f)) return;
        reports.push(f);
        consolidated[f.replace(/\.json$/, "")] = rjson(jn(options.input, f));
    })
;

if (!reports.length) err("No JSON reports matching \\w\\w\\d\\d.json in input directory: " + options.input);

// filtering
// The way this works is simple: if there is a filter.js file in the input directory, it is loaded
// like a module. Its excludeFile(file) and excludeCase(file, name) are called. If true is returned
// for the first one, the whole test file is skipped; for the latter it's on a case by case basis.
// Both have default implementations that accept everything (i.e. always return false)
if (fs.existsSync(jn(options.input, "filter.js"))) filter = require(jn(options.input, "filter.js"));
if (!filter.excludeFile) filter.excludeFile = function () { return false; };
if (!filter.excludeCase) filter.excludeCase = function () { return false; };

// prepare list of tests with subtests
// (used during consolidation to tell whether a "fake" subtest needs to be created)
Object.keys(consolidated).forEach(function (agent) {
    consolidated[agent].results.forEach(function (testData) {
        var id = testData.test;
        if (filter.excludeFile(id)) return;
        if (!testData.subtests.length) return;
        subtestsPerTest[id] = true;
    });
});

// consolidation
for (var agent in consolidated) {
    out.ua.push(agent);
    for (var i = 0, n = consolidated[agent].results.length; i < n; i++) {
        var testData = consolidated[agent].results[i]
        ,   id = testData.test
        ;
        if (filter.excludeFile(id)) continue;
        if (!testData.subtests.length && filter.excludeCase(id, id)) continue; // manual/reftests
        if (!out.results[id]) {
            out.results[id] = {
                byUA:       {}
            ,   UAmessage:  {}
            ,   totals:     {}
            ,   subtests:   {}
            };
        }
        // if there is a message, then capture it so we can include it in the output
        if (testData.hasOwnProperty("message") && testData.message !== null) {
            out.results[id].UAmessage[agent] = testData.message;
        }
        out.results[id].byUA[agent] = testData.status;
        if (!out.results[id].totals[testData.status]) out.results[id].totals[testData.status] = 1;
        else out.results[id].totals[testData.status]++;
        // manual and reftests don't have subtests, the top level test *is* the subtest.
        // Now, subtests may be defined in another report. This can happen if the whole test timeouts
        // in an agent without reporting individual subtest results for instance. No need to create a
        // "fake" subtest from the top-level test in that case.
        if (!testData.subtests.length) {
            if (!subtestsPerTest[id]) {
                var stName = id;
                if (stName === "constructor") stName = "_constructor";
                if (!out.results[id].subtests[stName]) out.results[id].subtests[stName] = { stNum: 0, byUA: {}, UAmessage: {}, totals: {} };
                out.results[id].subtests[stName].byUA[agent] = testData.status;
                if (!out.results[id].subtests[stName].totals[testData.status]) out.results[id].subtests[stName].totals[testData.status] = 1;
                else out.results[id].subtests[stName].totals[testData.status]++;
            }
        }
        else {
            for (var j = 0, m = testData.subtests.length; j < m; j++) {
                var st = testData.subtests[j]
                ,   stName = st.name
                ;
                if (filter.excludeCase(id, stName)) continue;
                if (stName === "constructor") stName = "_constructor";
                if (!out.results[id].subtests[stName]) out.results[id].subtests[stName] = { stNum: j, byUA: {}, UAmessage: {}, totals: {} };
                out.results[id].subtests[stName].byUA[agent] = st.status;
                if (!out.results[id].subtests[stName].totals[st.status]) out.results[id].subtests[stName].totals[st.status] = 1;
                else out.results[id].subtests[stName].totals[st.status]++;
                if (st.hasOwnProperty("message") && st.message !== null) {
                    out.results[id].subtests[stName].UAmessage[agent] = st.message;
                } 
            }
        }
    }
}
wjson(jn(options.output, "consolidated.json"), out);

for (var i = 0, n = out.ua.length; i < n; i++) uaPass[out.ua[i]] = 0;

var testCount = 0;

for (var test in out.results) {
    var run = out.results[test]
    ,   result = {
        status:     run.byUA
    ,   name:       test
    ,   fails:      []
    ,   subtests:   []
    ,   boom:       []
    ,   total:      0
    ,   testNum:    testCount
    };
    testCount ++;
    for (var n in run.subtests) {
        result.total++;
        totalSubtests++;
        if (!run.subtests[n].totals.PASS || run.subtests[n].totals.PASS < 2) result.fails.push({ name: n, stNum: run.subtests[n].stNum, byUA: run.subtests[n].byUA, UAmessage: run.subtests[n].UAmessage });
        if (!run.subtests[n].totals.PASS) result.boom.push({ name: n, stNum: run.subtests[n].stNum, byUA: run.subtests[n].byUA, UAmessage: run.subtests[n].UAmessage });
        for (var i = 0, m = out.ua.length; i < m; i++) {
            var res = run.subtests[n].byUA[out.ua[i]];
            if (res === "PASS") uaPass[out.ua[i]]++;
        }
        result.subtests.push({ name: n, stNum: run.subtests[n].stNum, byUA: run.subtests[n].byUA, UAmessage: run.subtests[n].UAmessage });
    }
    if (result.fails.length) lessThanTwo.push(result);
    if (result.boom.length) completeFail.push(result);
    all.push(result);
}

var startTable = "<thead><tr class='persist-header'><th>Test <span class='message_toggle'>Show/Hide Messages</span></th><th>" + out.ua.join("</th><th>") + "</th></tr></thead>\n"
,   startToc = "<h3>Test Files</h3>\n<ol class='toc'>"
,   script = options.failures ? "window.setTimeout(function() { \n $('.message_toggle').show();\n $('.messages').toggle(); \n $('.message_toggle').on('click', function() {\n$('.messages').toggle();\n});\n}, 1000);" : ""
,   description = (options.description !== "") ? rfs(jn(options.input, options.description)) : ""
;


// DO ALL
(function () {
    var table = startTable
    ,   toc = startToc
    ,   subtests = 0
    ;
    for (var i = 0, n = all.length; i < n; i++) {
        var test = all[i];
        table += "<tr class='test' id='test-file-" + test.testNum + "'><td><a href='http://www.w3c-test.org" + esc(test.name) + "' target='_blank'>" +
                 esc(test.name) + "</a></td>" + cells(test.status) + "</tr>\n";
        toc += "<li><a href='#test-file-" + i + "'>" + esc(test.name) + "</a></li>\n";
        for (var j = 0, m = test.subtests.length; j < m; j++) {
            var st = test.subtests[j];
            subtests++;
            var name = options.markdown ? markdown.makeHtml(st.name) : esc(st.name) ;
            table += "<tr id='subtest-" + test.testNum + "-" + st.stNum +"' class='subtest'><td>" + name + "</td>" + cells(st.byUA) + "</tr>\n";
            if (st.hasOwnProperty("UAmessage") && options.failures) {
                 // include rows with messages
                 table += messages(st.UAmessage) ;
            }
        }
    }
    toc += "</ol>";

    var meta = "<p><strong>Test files</strong>: " + all.length +
               "; <strong>Total subtests</strong>: " + subtests + "</p>"
    ;

    wfs(jn(options.output, "all.html")
    ,   interpolate({
            title: prefix + "All Results"
        ,   table: table
        ,   meta:  meta
        ,   toc:  toc
        ,   script: script
        ,   desc:   description
        })
    );
}());

// DO LESS THAN 2
(function () {
    var table = startTable
    ,   toc = startToc
    ,   fails = 0
    ;
    for (var i = 0, n = lessThanTwo.length; i < n; i++) {
        var test = lessThanTwo[i]
        ,   details = "<small>(" + test.fails.length + "/" + test.total + ", " +
                     (100 * test.fails.length / test.total).toFixed(2) + "%, " +
                     (100 * test.fails.length / totalSubtests).toFixed(2) + "% of total)</small>"
        ;
        table += "<tr class='test' id='test-file-" + test.testNum + "'><td><a href='http://www.w3c-test.org" + esc(test.name) + "' target='_blank'>" +
                 esc(test.name) + "</a> " + details + "</td>" + cells(test.status) + "</tr>\n";
        toc += "<li><a href='#test-file-" + i + "'>" + esc(test.name) + "</a> " + details + "</li>\n";
        for (var j = 0, m = test.fails.length; j < m; j++) {
            var st = test.fails[j];
            fails++;
            var name = options.markdown ? markdown.makeHtml(st.name) : esc(st.name) ;
            table += "<tr id='subtest-" +test.testNum+"-"+st.stNum+"' class='subtest'><td>" + name + "</td>" + cells(st.byUA) + "</tr>\n";
            if (st.hasOwnProperty("UAmessage") && options.failures) {
                 // include rows with messages
                 table += messages(st.UAmessage) ;
            }
        }
    }
    toc += "</ol>";

    var meta = "<p><strong>Test files without 2 passes</strong>: " + lessThanTwo.length +
               "; <strong>Subtests without 2 passes: </strong>" + fails +
               "; <strong>Failure level</strong>: " + fails + "/" + totalSubtests + " (" +
               (100 * fails / totalSubtests).toFixed(2) + "%)</p>"
    ;

    wfs(jn(options.output, "less-than-2.html")
    ,   interpolate({
            title: prefix + "Less Than 2 Passes"
        ,   table: table
        ,   meta:  meta
        ,   toc:  toc
        ,   script: script
        ,   desc:   description
        })
    );
}());


// COMPLETE FAILURES
(function () {
    var table = startTable
    ,   toc = startToc
    ,   fails = 0
    ;
    for (var i = 0, n = completeFail.length; i < n; i++) {
        var test = completeFail[i]
        ,   details = "<small>(" + test.boom.length + "/" + test.total + ", " +
                     (100 * test.boom.length / test.total).toFixed(2) + "%, " +
                     (100 * test.boom.length / totalSubtests).toFixed(2) + "% of total)</small>"
        ;
        table += "<tr class='test' id='test-file-" + test.testNum + "'><td><a href='http://www.w3c-test.org" + esc(test.name) + "' target='_blank'>" +
                 esc(test.name) + "</a> " + details + "</td>" + cells(test.status) + "</tr>\n";
        toc += "<li><a href='#test-file-" + i + "'>" + esc(test.name) + "</a> " + details + "</li>\n";
        for (var j = 0, m = test.boom.length; j < m; j++) {
            var st = test.boom[j];
            fails++;
            var name = options.markdown ? markdown.makeHtml(st.name) : esc(st.name) ;
            table += "<tr id='subtest-" + test.testNum+"-"+st.stNum+"' class='subtest'><td>" + name + "</td>" + cells(st.byUA) + "</tr>\n";
            if (st.hasOwnProperty("UAmessage") && options.failures) {
                 // include rows with messages
                 table += messages(st.UAmessage) ;
            }
        }
    }
    toc += "</ol>";

    var meta = "<p><strong>Completely failed files</strong>: " + lessThanTwo.length +
               "; <strong>Completely failed subtests</strong>: " + fails +
               "; <strong>Failure level</strong>: " + fails + "/" + totalSubtests + " (" +
               (100 * fails / totalSubtests).toFixed(2) + "%)</p>"
    ;

    wfs(jn(options.output, "complete-fails.html")
    ,   interpolate({
            title: prefix + "Complete Failures"
        ,   table: table
        ,   meta:  meta
        ,   toc:  toc
        ,   script: script
        ,   desc:   description
        })
    );
}());

// copy resources over
copyFiles.forEach(function (f) {
    fs.copySync(jn(resDir, f), jn(options.output, f));
});