#! /usr/bin/node

/* 
Parses the sanitize() tests for the Sanitizer API into JSON for easier
  consumption by non-JavaScript environments. 
*/

if (!process.argv[2]) {
    console.log("Usage: parsetests <path-to-wpt-base>");
    return 2;
}

const fs = require("fs");
const JSDOM = require("jsdom").JSDOM;

// resolve the path to the tests
var base = fs.realpathSync(process.argv[2]);

// first read in the static test data
var testprog = fs.readFileSync(base + "/sanitizer-api/support/testcases.sub.js").toString() + "\n\n";
// next extract the tests proper from the containing HTML file
var testfile = fs.readFileSync(base + "/sanitizer-api/sanitizer-sanitize.https.tentative.html").toString();
testprog += (new JSDOM(testfile)).window.document.body.getElementsByTagName("script")[0].textContent;

// now define a minimal test harness which will produce plain JSON test data
var window = (new JSDOM("", {runScripts: "outside-only"})).window;
window.genericTestSet = [];
window.FakeTemplate = class {
    innerHTML = "";
    get content() { 
        return this;
    }
};
window.origDOMParser = window.DOMParser;
window.DOMParser = function() {
    return {
        parseFromString: function(data, type) {
            if (window.genericTest.input === undefined) {
                window.genericTest.input = [data];
            }
            return (new window.origDOMParser).parseFromString(data, type);
        }
    };
};
window.document.origCreateElement = window.document.createElement;
window.document.createElement = function(type) {
    if (type === "template") {
        return new window.FakeTemplate();
    }
    return window.document.origCreateElement(type);
};
window.test = function(prog, message) {
    // override the getFragment() and getDoc() functions to extract the input, if they haven't been overidden already
    if (!window.origGetFragment) {
        window.origGetFragment = window.getFragment;
        window.getFragment = function(i) {
            if (window.genericTest.input === undefined) {
                window.genericTest.input = [i];
            } else if (window.genericTest.input && window.genericTest.output === undefined) {
                window.genericTest.output = i;
            }
            return window.origGetFragment(i);
        }
    }
    if (!window.origGetDoc) {
        window.origGetDoc = window.getDoc;
        window.getDoc = function(i) {
            if (window.genericTest.input === undefined) {
                window.genericTest.input = [i];
            }
            return window.origGetDoc(i);
        }
    }
    window.genericTest = {
        config: undefined,
        input: undefined,
        inputType: undefined,
        output: undefined,
        exceptionType: undefined,
        negativeTest: false,
        message: message,
    };
    prog();
    window.genericTestSet.push(window.genericTest);
};
window.Sanitizer = function(conf) {
    window.genericTest.config = conf || null;
    return {
        sanitize: function(dom) {
            if (dom instanceof window.DocumentFragment) {
                window.genericTest.inputType = "document-fragment";
            } else if (dom instanceof window.Document) {
                window.genericTest.inputType = "document";
            } else if (dom instanceof window.FakeTemplate) {
                window.genericTest.inputType = "template-content";
                window.genericTest.input = dom.innerHTML;
            } else {
                window.genericTest.inputType = "literal";
                if (window.genericTest.input === undefined) {
                    window.genericTest.input = Array.from(arguments);
                }
            }
            return window.document.createDocumentFragment();
        }
    };
};
window.assert_throws_js = function(t, f) {
    window.genericTest.exceptionType = t.prototype.toString();
    window.genericTest.output = null;
    f();
};
window.assert_true = function() {};
window.assert_equals = function(result, exp) {
    window.genericTest.output = exp;
};

// Finally execute the tests to produce our output
window.eval(testprog);
var out = window.genericTestSet;

// Now do the same for namespace tests

var window = (new JSDOM("", {runScripts: "outside-only"})).window;
var testfile = fs.readFileSync(base + "/sanitizer-api/sanitizer-names.https.html").toString();
testprog = (new JSDOM(testfile)).window.document.body.getElementsByTagName("script")[0].textContent;

window.genericTestSet = [];
window.configTestSet = [];
window.test = function(prog, message) {
    window.genericTest = {
        config: undefined,
        input: undefined,
        inputType: undefined,
        output: undefined,
        exceptionType: undefined,
        negativeTest: false,
        message: message,
    };
    window.wrapOutput = false;
    prog();
};
window.Sanitizer = function(conf) {
    window.genericTest.config = conf || null;
    return {
        getConfiguration: function() {
            return window.genericTest.config || {};
        }
    }
};
window.assert_array_equals = function(act, exp) {};
window.document.origCreateElement = window.document.createElement;
window.document.createElement = function(type) {
    if (type === "template") {
        return new window.FakeTemplate();
    }
    return window.document.origCreateElement(type);
};
window.FakeTemplate = class {
    innerHTML = "";
    setHTML = function(str) {
        this.innerHTML = str;
        window.genericTest.input = str;
    }
    get content() { 
        return this;
    }
    get firstElementChild() { 
        window.wrapOutput = true;
        return this;
    }
};
window.assert_equals = function(result, exp) {
    if (!window.wrapOutput) {
        window.genericTest.output = exp;
    } else {
        window.genericTest.output = "<svg>" + exp + "</svg>";
    }
    window.genericTestSet.push(window.genericTest);
};
window.assert_not_equals = function(result, exp) {
    if (!window.wrapOutput) {
        window.genericTest.output = exp;
    } else {
        window.genericTest.output = "<svg>" + exp + "</svg>";
    }
    window.genericTest.negativeTest = true;
    window.genericTestSet.push(window.genericTest);
};

window.eval(testprog);
out = out.concat(window.genericTestSet);

console.log(JSON.stringify(out, null, 2));