Migrating test.py to test.js

test/testutils.js

@@ -0,0 +1,146 @@
+/* -*- Mode: js; js-indent-level: 2; indent-tabs-mode: nil; tab-width: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/*
+ * Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*jslint node: true */
+
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+
+exports.removeDirSync = function removeDirSync(dir) {
+  var files = fs.readdirSync(dir);
+  files.forEach(function (filename) {
+    var file = path.join(dir, filename);
+    var stats = fs.statSync(file);
+    if (stats.isDirectory()) {
+      removeDirSync(file);
+    } else {
+      fs.unlinkSync(file);
+    }
+  });
+  fs.rmdirSync(dir);
+};
+
+exports.copySubtreeSync = function copySubtreeSync(src, dest) {
+  var files = fs.readdirSync(src);
+  if (!fs.existsSync(dest)) {
+    fs.mkdirSync(dest);
+  }
+  files.forEach(function (filename) {
+    var srcFile = path.join(src, filename);
+    var file = path.join(dest, filename);
+    var stats = fs.statSync(srcFile);
+    if (stats.isDirectory()) {
+      copySubtreeSync(srcFile, file);
+    } else {
+      fs.writeFileSync(file, fs.readFileSync(srcFile));
+    }
+  });
+};
+
+exports.ensureDirSync = function ensureDirSync(dir) {
+  if (fs.existsSync(dir)) {
+    return;
+  }
+  var parts = dir.split(path.sep), i = parts.length;
+  while (i > 1 && !fs.existsSync(parts.slice(0, i - 1).join(path.sep))) {
+    i--;
+  }
+  if (i < 0 || (i === 0 && parts[0])) {
+    throw new Error();
+  }
+
+  while (i <= parts.length) {
+    fs.mkdirSync(parts.slice(0, i).join(path.sep));
+    i++;
+  }
+};
+
+var stdinBuffer = '', endOfStdin = false, stdinInitialized = false;
+var stdinOnLineCallbacks = [];
+
+function handleStdinBuffer() {
+  if (endOfStdin) {
+    if (stdinBuffer && stdinOnLineCallbacks.length > 0) {
+      var callback = stdinOnLineCallbacks.shift();
+      callback(stdinBuffer);
+      stdinBuffer = null;
+    }
+    while (stdinOnLineCallbacks.length > 0) {
+      var callback = stdinOnLineCallbacks.shift();
+      callback();
+    }
+    return;
+  }
+  while (stdinOnLineCallbacks.length > 0) {
+    var i = stdinBuffer.indexOf('\n');
+    if (i < 0) {
+      return;
+    }
+    var callback = stdinOnLineCallbacks.shift();
+    var result = stdinBuffer.substring(0, i + 1);
+    stdinBuffer = stdinBuffer.substring(i + 1);
+    callback(result);
+  }
+  // all callbacks handled, stop stdin processing
+  process.stdin.pause();
+}
+
+function initStdin() {
+  process.stdin.setEncoding('utf8');
+
+  process.stdin.on('data', function(chunk) {
+    stdinBuffer += chunk;
+    handleStdinBuffer();
+  });
+
+  process.stdin.on('end', function() {
+    endOfStdin = true;
+    handleStdinBuffer();
+  });
+}
+
+exports.prompt = function prompt(message, callback) {
+  if (!stdinInitialized) {
+    process.stdin.resume();
+    initStdin();
+    stdinInitialized = true;
+  } else if (stdinOnLineCallbacks.length === 0) {
+    process.stdin.resume();
+  }
+
+  process.stdout.write(message);
+  stdinOnLineCallbacks.push(callback);
+  handleStdinBuffer();
+};
+
+exports.confirm = function confirm(message, callback) {
+  exports.prompt(message, function (answer) {
+    if (answer === undefined) {
+      callback();
+      return;
+    }
+    if (answer[0].toLowerCase() === 'y') {
+      callback(true);
+    } else if (answer[0].toLowerCase() === 'n') {
+      callback(false);
+    } else {
+      confirm(message, callback);
+    }
+  });
+};