Fix URI for packages: make them self contained within the domain served by pub-serve

test/dart2js/source_maps_are_self_contained_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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 '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  // This test is a bit shaky. Since dart2js is free to inline things, it's
+  // not precise as to which source libraries will actually be referenced in
+  // the source map. But this tries to use a type from a package and validate
+  // that its source ends up in the source map with a valid URI.
+  integration("Source maps URIs for files in packages are self-contained", () {
+    d.dir("foo", [
+      d.libPubspec("foo", "0.0.1"),
+      d.dir("lib", [
+        d.file("foo.dart",
+            """
+            library foo;
+            foo() {
+              // As of today dart2js will not inline this code.
+              if ('\${new DateTime.now()}' == 'abc') return 1;
+              return 2;
+            }
+            """)
+      ])
+    ]).create();
+
+    d.dir(appPath, [
+      d.appPubspec({
+        "foo": {"path": "../foo"}
+      }),
+      d.dir("web", [
+        d.file("main.dart",
+            """
+            import 'package:foo/foo.dart';
+            main() => foo();
+            """),
+        d.dir("sub", [
+          d.file("main2.dart",
+            """
+            import 'package:foo/foo.dart';
+            main() => foo();
+            """),
+        ])
+      ])
+    ]).create();
+
+
+    pubGet();
+    schedulePub(args: ["build", "--mode", "debug"],
+        output: new RegExp(r'Built \d+ files to "build".'),
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir("build", [
+        d.dir("web", [
+          d.matcherFile("main.dart.js.map",
+              // Note: we include the quotes to ensure this is the full URL path
+              // in the source map
+              contains(r'"packages/foo/foo.dart"')),
+          d.dir("sub", [
+            d.matcherFile("main2.dart.js.map",
+                contains(r'"../packages/foo/foo.dart"'))
+          ]),
+          d.dir("packages", [
+            d.dir(r"foo", [
+              d.matcherFile("foo.dart",
+                contains("foo() {"))
+            ])
+          ])
+        ])
+      ])
+    ]).validate();
+  });
+}