fix #137 refactor tests for mocha

package.json

@@ -25,14 +25,15 @@
     "os-tmpdir": "~1.0.2"
   },
   "devDependencies": {
-    "vows": "~0.7.0"
+    "vows": "~0.7.0",
+    "mocha": "~3.4.2"
   },
   "main": "lib/tmp.js",
   "files": [
     "lib/"
   ],
   "scripts": {
-    "test": "vows test/*-test.js",
+    "test": "mocha test/*-test.js",
     "doc": "jsdoc -c .jsdoc.json"
   }
 }

test/assertions.js

@@ -0,0 +1,77 @@
+/* eslint-disable no-octal */
+
+var
+  assert = require('assert'),
+  fs = require('fs'),
+  path = require('path'),
+  existsSync = fs.existsSync || path.existsSync;
+
+
+module.exports.assertName = function assertName(name, expected) {
+  assert.ok(typeof name == 'string');
+  assert.ok(name.length > 0, 'an empty string is not a valid name');
+  if (expected) {
+    assert.equal(path.basename(name), expected, 'should be the expected name');
+  }
+};
+
+
+module.exports.assertStat = function assertStat(name, mode) {
+  var stat = fs.statSync(name);
+
+  /*
+  // geteuid() and getegid() do not exist on Windows.
+  // must use the effective gid and effective uid for testing
+  if (process.geteuid) {
+    assert.equal(stat.uid, process.geteuid(), 'should have the same UID');
+  }
+  if (process.getegid) {
+    // FIXME does not always work as expected (setgid bit on parent directory)
+    console.log('stat.gid ' + stat.gid);
+    console.log('egid ' + process.getegid());
+    assert.equal(stat.gid, process.getegid(), 'should have the same GUID');
+  }
+  */
+
+  // mode values do not work properly on Windows. Ignore “group” and
+  // “other” bits then. Ignore execute bit on that platform because it
+  // doesn’t exist—even for directories.
+  if (process.platform == 'win32') {
+    assert.equal(stat.mode & 000600, mode & 000600);
+  } else {
+    assert.equal(stat.mode & 000777, mode);
+  }
+};
+
+
+module.exports.assertPrefix = function assertPrefix(name, prefix) {
+  assert.equal(path.basename(name).slice(0, prefix.length), prefix, 'should have the provided prefix');
+};
+
+
+module.exports.assertPostfix = function assertPostfix(name, postfix) {
+  assert.equal(name.slice(name.length - postfix.length, name.length), postfix, 'should have the provided postfix');
+};
+
+
+module.exports.assertProperResult = function assertProperResult(result, withfd) {
+  assert.ok(result);
+  assert.ok(result.name, 'should have a name');
+  if (withfd) assert.ok(result.fd, 'should have an fd');
+  else assert.strictEqual(result.fd, undefined, 'should not have an fd');
+  assert.ok(typeof result.removeCallback == 'function', 'should have a removeCallback');
+};
+
+
+module.exports.assertExists = function assertExists(name, isfile) {
+  assert.ok(existsSync(name), name + ' should exist');
+  var stat = fs.statSync(name);
+  if (isfile) assert.ok(stat.isFile(), name + ' should be a file');
+  else assert.ok(stat.isDirectory(), name + ' should be a directory');
+};
+
+
+module.exports.assertDoesNotExist = function assertDoesNotExist(name) {
+  assert.ok(!existsSync(name), name + ' should not exist');
+};
+

test/child-process.js

@@ -0,0 +1,72 @@
+// vim: expandtab:ts=2:sw=2
+
+var
+  fs = require('fs'),
+  path = require('path'),
+  existsSync = fs.existsSync || path.existsSync,
+  spawn = require('child_process').spawn;
+
+
+module.exports = function spawnChildProcess(configFile, cb) {
+  var
+    node_path = process.argv[0],
+    command_args = [ path.join(__dirname, 'spawn.js') ].concat(configFile),
+    stdoutBufs = [],
+    stderrBufs = [],
+    child,
+    done = false,
+    stderrDone = false,
+    stdoutDone = false;
+
+  // make sure that the config file exists
+  if (!existsSync(path.join(__dirname, configFile)))
+    return cb(new Error('ENOENT: configFile ' + path.join(__dirname, configFile) + ' does not exist'));
+
+  // spawn doesn’t have the quoting problems that exec does,
+  // especially when going for Windows portability.
+  child = spawn(node_path, command_args);
+  child.stdin.end();
+  // Cannot use 'close' event because not on node-0.6.
+  function _close() {
+    var
+      stderr = _bufferConcat(stderrBufs).toString(),
+      stdout = _bufferConcat(stdoutBufs).toString();
+    if (stderrDone && stdoutDone && !done) {
+      done = true;
+      cb(null, stderr, stdout);
+    }
+  }
+  child.on('error', function _spawnError(err) {
+    if (!done) {
+      done = true;
+      cb(err);
+    }
+  });
+  child.stdout.on('data', function _stdoutData(data) {
+    stdoutBufs.push(data);
+  }).on('close', function _stdoutEnd() {
+    stdoutDone = true;
+    _close();
+  });
+  child.stderr.on('data', function _stderrData(data) {
+    stderrBufs.push(data);
+  }).on('close', function _stderrEnd() {
+    stderrDone = true;
+    _close();
+  });
+}
+
+
+function _bufferConcat(buffers) {
+  if (Buffer.concat) {
+    return Buffer.concat.apply(this, arguments);
+  } else {
+    return new Buffer(buffers.reduce(function (acc, buf) {
+      for (var i = 0; i < buf.length; i++) {
+        acc.push(buf[i]);
+      }
+      return acc;
+    }, []));
+  }
+}
+