dart:io | Add 'recursive' flag to File.create and Link.create.

tests/standalone/io/create_recursive_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:io';
+
+import "package:async_helper/async_helper.dart";
+import "package:expect/expect.dart";
+import "package:path/path.dart";
+
+main() {
+  testCreateRecursiveSync();
+  testCreateRecursive();
+}
+
+testCreateRecursiveSync() {

[Anders Johnsen, 2013/10/30 12:23:56]

Can you split up these two functions to smaller tests?

[Bill Hesse, 2013/10/30 15:07:37]

Done.

+  var temp = Directory.systemTemp.createTempSync('directory_test');
+  var a = new Directory(join(temp.path, 'a'));
+  var b = new Directory(join(a.path, 'b'));
+  var c = new Directory(join(b.path, 'c'));
+  void expectDirectories() {
+    Expect.isTrue(a.existsSync());
+    Expect.isTrue(b.existsSync());
+    Expect.isTrue(c.existsSync());
+  }
+
+  try {
+    Expect.throws(() => c.createSync());
+    c.createSync(recursive: true);
+    expectDirectories();
+    a.deleteSync(recursive: true);
+
+    var d = new Directory('${c.path}/');
+    d.createSync(recursive: true);
+    expectDirectories();
+    Expect.isTrue(d.existsSync());
+    a.deleteSync(recursive: true);
+
+    var f = new File(join(c.path, 'file'));
+    Expect.throws(() => f.createSync());
+    f.createSync(recursive: true);
+    expectDirectories();
+    Expect.isTrue(f.existsSync());
+    a.deleteSync(recursive: true);
+
+    var l = new Link(join(c.path, 'link'));
+    Expect.throws(() => l.createSync(temp.path));
+    l.createSync(temp.path, recursive:true);
+    expectDirectories();
+    Expect.isTrue(l.existsSync());
+    Expect.isTrue(new Directory(l.targetSync()).existsSync());
+    a.deleteSync(recursive: true);
+
+    // Test cases where the directories or the object already exist.
+    a.createSync(recursive: true);
+    Expect.isTrue(a.existsSync());
+    a.createSync(recursive: true);
+    Expect.isTrue(a.existsSync());
+
+    f = new File(join(temp.path, 'file'));
+    f.createSync(recursive: true);
+    Expect.isTrue(f.existsSync());
+    f.createSync(recursive: true);
+    Expect.isTrue(f.existsSync());
+
+    l = new Link(join(temp.path, 'link'));
+    l.createSync(temp.path, recursive: true);
+    Expect.isTrue(l.existsSync());
+    Expect.throws(() => l.createSync(temp.path, recursive: true));
+    Expect.isTrue(l.existsSync());
+  } finally {
+    temp.deleteSync(recursive: true);
+  }
+}
+
+testCreateRecursive() {
+  asyncStart();
+  Directory temp;
+  Directory a;
+  Directory b;
+  Directory c;
+  Directory d;
+  File f;
+  Link l;
+  Function lift(Function f) =>
+      (futureValue) => futureValue.then((value) => f(value));
+
+  Future expectDirectories() {
+    return lift(Expect.isTrue)(a.exists())
+      .then((_) => lift(Expect.isTrue)(b.exists()))
+      .then((_) => lift(Expect.isTrue)(c.exists()));
+  }
+
+  Future expectFileSystemException(Function f, String message) {
+    return f().then(
+      (_) => Expect.fail('Expected a FileSystemException: $message'),
+      onError: (e) => Expect.isTrue(e is FileSystemException));
+  }
+
+  Directory.systemTemp.createTemp('dart_directory').then((dir) {
+    temp = dir;
+    a = new Directory(join(temp.path, 'a'));
+    b = new Directory(join(a.path, 'b'));
+    c = new Directory(join(b.path, 'c'));
+  }).then((_) => expectFileSystemException(() => c.create(), 'c.create'))
+    .then((_) => c.create(recursive: true))
+    .then((_) => expectDirectories())
+    .then((_) => a.delete(recursive: true))
+
+    .then((_) => d = new Directory('${c.path}/'))
+    .then((_) => d.create(recursive: true))
+    .then((_) => expectDirectories())
+    .then((_) => lift(Expect.isTrue)(d.exists()))
+    .then((_) => a.delete(recursive: true))
+
+    .then((_) => f = new File(join(c.path, 'file')))
+    .then((_) => expectFileSystemException(() => f.create(), 'f.create'))
+    .then((_) => f.create(recursive: true))
+    .then((_) => expectDirectories())
+    .then((_) => lift(Expect.isTrue)(f.exists()))
+    .then((_) => a.delete(recursive: true))
+
+    .then((_) => l = new Link(join(c.path, 'link')))
+    .then((_) => expectFileSystemException(() => l.create(temp.path),
+                                           'l.create'))
+    .then((_) => l.create(temp.path, recursive: true))
+    .then((_) => expectDirectories())
+    .then((_) => lift(Expect.isTrue)(l.exists()))
+    .then((_) => lift(Expect.isTrue)(new Directory(l.targetSync()).exists()))
+    .then((_) => a.delete(recursive: true))
+
+    // Test cases where the directories or the object already exist.
+    .then((_) => a.create(recursive: true))
+    .then((_) => lift(Expect.isTrue)(a.exists()))
+    .then((_) => a.create(recursive: true))
+    .then((_) => lift(Expect.isTrue)(a.exists()))
+
+    .then((_) => f = new File(join(temp.path, 'file')))
+    .then((_) => f.create(recursive: true))
+    .then((_) => lift(Expect.isTrue)(f.exists()))
+    .then((_) => f.create(recursive: true))
+    .then((_) => lift(Expect.isTrue)(f.exists()))
+
+    .then((_) => l = new Link(join(temp.path, 'link')))
+    .then((_) => l.create(temp.path, recursive: true))
+    .then((_) => lift(Expect.isTrue)(l.exists()))
+    .then((_) => expectFileSystemException(
+        () => l.create(temp.path, recursive: true), 'l.create existing'))
+    .then((_) => lift(Expect.isTrue)(l.exists()))
+
+    .then((_) => asyncEnd())
+    .whenComplete(() => temp.delete(recursive: true));
+}