test: create temp dir in common.js

Move creation of temporary directories for tests
out of the Python harness and into common.js. This
allows all tests to be run reliably outside of the
Python wrapper.

PR-URL: https://github.com/nodejs/io.js/pull/1877
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

test/common.js

@@ -12,6 +12,59 @@ exports.tmpDirName = 'tmp';
 exports.PORT = +process.env.NODE_COMMON_PORT || 12346;
 exports.isWindows = process.platform === 'win32';
 
+function rimrafSync(p) {
+  try {
+    var st = fs.lstatSync(p);
+  } catch (e) {
+    if (e.code === 'ENOENT')
+      return;
+  }
+
+  try {
+    if (st && st.isDirectory())
+      rmdirSync(p, null);
+    else
+      fs.unlinkSync(p);
+  } catch (e) {
+    if (e.code === 'ENOENT')
+      return;
+    if (e.code === 'EPERM')
+      return rmdirSync(p, er);
+    if (e.code !== 'EISDIR')
+      throw e;
+    rmdirSync(p, e);
+  }
+}
+
+function rmdirSync(p, originalEr) {
+  try {
+    fs.rmdirSync(p);
+  } catch (e) {
+    if (e.code === 'ENOTDIR')
+      throw originalEr;
+    if (e.code === 'ENOTEMPTY' || e.code === 'EEXIST' || e.code === 'EPERM') {
+      fs.readdirSync(p).forEach(function(f) {
+        rimrafSync(path.join(p, f));
+      });
+      fs.rmdirSync(p);
+    }
+  }
+}
+
+function refreshTmpDir() {
+  if (!process.send) { // Not a child process
+    try {
+      rimrafSync(exports.tmpDir);
+    } catch (e) {
+    }
+
+    try {
+      fs.mkdirSync(exports.tmpDir);
+    } catch (e) {
+    }
+  }
+}
+
 if (process.env.TEST_THREAD_ID) {
   // Distribute ports in parallel tests
   if (!process.env.NODE_COMMON_PORT)
@@ -21,6 +74,8 @@ if (process.env.TEST_THREAD_ID) {
 }
 exports.tmpDir = path.join(exports.testDir, exports.tmpDirName);
 
+refreshTmpDir();
+
 var opensslCli = null;
 var inFreeBSDJail = null;
 var localhostIPv4 = null;

test/fixtures/print-chars-from-buffer.js

@@ -1,4 +1,3 @@
-var common = require('../common');
 var assert = require('assert');
 
 var n = parseInt(process.argv[2]);

test/fixtures/print-chars.js

@@ -1,4 +1,3 @@
-var common = require('../common');
 var assert = require('assert');
 
 var n = parseInt(process.argv[2]);

test/sequential/test-fs-watch-recursive.js

@@ -31,12 +31,10 @@ if (process.platform === 'darwin') {
     watcher.on('change', function(event, filename) {
       assert.ok('change' === event || 'rename' === event);
 
-      // Ignore stale events generated by mkdir
+      // Ignore stale events generated by mkdir and other tests
-      if (filename === testsubdirName)
+      if (filename !== relativePathOne)
         return;
 
-      assert.equal(relativePathOne, filename);
-
       watcher.close();
       cleanup();
       ++watchSeenOne;

test/testpy/__init__.py

@@ -28,7 +28,6 @@
 import test
 import os
 import shutil
-from shutil import rmtree
 from os import mkdir
 from glob import glob
 from os.path import join, dirname, exists
@@ -50,35 +49,6 @@ class SimpleTestCase(test.TestCase):
     self.tmpdir = join(dirname(self.config.root), 'tmp')
     self.additional_flags = additional
 
-  def GetTmpDir(self):
-    return "%s.%d" % (self.tmpdir, self.thread_id)
-
-  
-  def AfterRun(self, result):
-    # delete the whole tmp dir
-    try:
-      rmtree(self.GetTmpDir())
-    except:
-      pass
-    # make it again.
-    try:
-      mkdir(self.GetTmpDir())
-    except:
-      pass
-
-  def BeforeRun(self):
-    # delete the whole tmp dir
-    try:
-      rmtree(self.GetTmpDir())
-    except:
-      pass
-    # make it again.
-    # intermittently fails on win32, so keep trying
-    while not os.path.exists(self.GetTmpDir()):
-      try:
-        mkdir(self.GetTmpDir())
-      except:
-        pass
   
   def GetLabel(self):
     return "%s %s" % (self.mode, self.GetName())