Disallow invalid package names in Pubspec.

test/get/package_name_test.dart

+// Copyright (c) 2014, 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 'package:scheduled_test/scheduled_test.dart';
+
+import 'package:pub/src/exit_codes.dart' as exit_codes;
+
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  integration("pub get fails with a non-identifier name", () {
+    d.dir(appPath, [
+      d.pubspec({
+        "name": "invalid package name",
+        "version": "1.0.0"
+      })
+    ]).create();
+
+    pubGet(
+        error: contains('"name" field must be a valid Dart identifier.'),
+        exitCode: exit_codes.DATA);
+
+    d.dir(appPath, [
+      // The lockfile should not be created.
+      d.nothing("pubspec.lock"),
+      // The "packages" directory should not have been generated.
+      d.nothing("packages"),
+      // The ".packages" file should not have been created.
+      d.nothing(".packages"),
+    ]).validate();
+  });
+
+  integration("pub get fails with a reserved word name", () {
+    d.dir(appPath, [
+      d.pubspec({
+        "name": "return",
+        "version": "1.0.0"
+      })
+    ]).create();
+
+    pubGet(
+        error: contains('"name" field may not be a Dart reserved word.'),
+        exitCode: exit_codes.DATA);
+
+    d.dir(appPath, [
+      // The lockfile should not be created.
+      d.nothing("pubspec.lock"),
+      // The "packages" directory should not have been generated.
+      d.nothing("packages"),
+      // The ".packages" file should not have been created.
+      d.nothing(".packages"),
+    ]).validate();
+  });
+
+  integration("pub get allows a name with dotted identifiers", () {
+    d.dir(appPath, [
+      d.pubspec({
+        "name": "foo.bar.baz",
+        "version": "1.0.0"
+      }),
+      d.libDir("foo.bar.baz", "foo.bar.baz 1.0.0")
+    ]).create();
+
+    pubGet();
+
+    d.packagesDir({"foo.bar.baz": "1.0.0"}).validate();
+  });

[Bob Nystrom, 2015/12/01 23:21:15]

What about "for.if.return"?

[nweiz, 2015/12/02 00:29:01]

I don't particularly mind if someone does that. Once they're in dotted land,
they can't use the name as an identifier anyway.

+}