79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
#! /usr/bin/env node
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// Runs a test262(-like) script through the uglifyjs minifier with default options
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// It is expected to minify and execute the script without problems
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// as a failed test is indicated by throwing an exception.
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// How to use (assuming the current working directory is a checkout of the test262 repo):
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// [path to python2 executable] .\tools\packaging\test262.py --command "node <pathTo>\UglifyJS2\tools\ecmaTester.js" [add some words as filter (like 'language')]
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// argv number 2 is assumed to be the input file
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var file = process.argv[2];
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var fs = require("fs");
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var vm = require("vm");
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var UglifyJS = require("./node.js");
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console.log("Using ", process.versions);
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var minified = "[Nothing]";
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var source;
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var issues = false;
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var unminifiedError = "";
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var sameError = false;
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try {
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// Compress file
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minified = UglifyJS.minify(file).code;
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// Run the minified code to check if the script is still runable
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vm.runInNewContext(minified, {});
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} catch(e) {
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// Make sure script runs fine without compiling as well
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source = fs.readFileSync(file, {encoding: 'utf8'});
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issues = true;
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// Investigate if an error occurs unminified as well
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try {
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vm.runInNewContext(source, {});
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issues = false;
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unminifiedError += "Ran unminified without problems";
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} catch (e2) {
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unminifiedError = "Error while running the unminified version:\n";
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unminifiedError += "Error: " + e2 + "\n";
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unminifiedError += "Stack: " + e2.stack;
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if (e2 + "" == e + "") {
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sameError = true;
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}
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}
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// Report
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console.log("A minified script failed to run " +
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(issues ?
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"both minified and minified. This is likely an invalid js file" +
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" or has code the interpreter engine doesn't understand." :
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"after being minified. Please report node version, test" +
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" and error to the maintainer of the minifier tool."
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)
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);
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console.log("Version: Node " + process.versions.node);
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console.log("File (may be a temp file): " + file);
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console.log("Error: ", e);
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console.log("Stack: ", e.stack);
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console.log("\n\n");
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console.log(unminifiedError);
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console.log();
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if (!sameError) {
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console.log("Minified output:");
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console.log(minified);
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console.log("\n\n==========\n\n");
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console.log("Original code:");
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console.log(source);
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console.log();
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}
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console.log("==========\n");
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// Exit 1 if its our fault, exit 2 if the interpreter fails as well
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process.exit(issues ? 2 : 1);
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} |