Added .packages, packages/ discovery.

test/parse_test.dart

 // Copyright (c) 2015, 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.
 
 library test_all;
 
-import "package:package_config/packagemap.dart";
+import "package:package_config/packages.dart";
+import "package:package_config/packages_file.dart" show parse;
 import "package:test/test.dart";
 
 main() {
   var base = Uri.parse("file:///one/two/three/packages.map");
   test("empty", () {
-    var packages = Packages.parse(emptySample, base);
-    expect(packages.packageMapping, isEmpty);
+    var packages = doParse(emptySample, base);
+    expect(packages.asMap(), isEmpty);
   });
   test("comment only", () {
-    var packages = Packages.parse(commentOnlySample, base);
-    expect(packages.packageMapping, isEmpty);
+    var packages = doParse(commentOnlySample, base);
+    expect(packages.asMap(), isEmpty);
   });
   test("empty lines only", () {
-    var packages = Packages.parse(emptyLinesSample, base);
-    expect(packages.packageMapping, isEmpty);
+    var packages = doParse(emptyLinesSample, base);
+    expect(packages.asMap(), isEmpty);
   });
 
   test("empty lines only", () {
-    var packages = Packages.parse(emptyLinesSample, base);
-    expect(packages.packageMapping, isEmpty);
+    var packages = doParse(emptyLinesSample, base);
+    expect(packages.asMap(), isEmpty);
   });
 
   test("single", () {
-    var packages = Packages.parse(singleRelativeSample, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleRelativeSample, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:foo/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("single no slash", () {
-    var packages = Packages.parse(singleRelativeSampleNoSlash, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleRelativeSampleNoSlash, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:foo/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("single no newline", () {
-    var packages = Packages.parse(singleRelativeSampleNoNewline, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleRelativeSampleNoNewline, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:foo/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("single absolute", () {
-    var packages = Packages.parse(singleAbsoluteSample, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleAbsoluteSample, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:foo/bar/baz.dart")),
         equals(Uri.parse("http://example.com/some/where/bar/baz.dart")));
   });
 
   test("multiple", () {
-    var packages = Packages.parse(multiRelativeSample, base);
+    var packages = doParse(multiRelativeSample, base);
     expect(
-        packages.packageMapping.keys.toList()..sort(), equals(["bar", "foo"]));
+        packages.packages.toList()..sort(), equals(["bar", "foo"]));
     expect(packages.resolve(Uri.parse("package:foo/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
     expect(packages.resolve(Uri.parse("package:bar/foo/baz.dart")),
         equals(base.resolve("../test2/").resolve("foo/baz.dart")));
   });
 
   test("dot-dot 1", () {
-    var packages = Packages.parse(singleRelativeSample, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleRelativeSample, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:foo/qux/../bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("dot-dot 2", () {
-    var packages = Packages.parse(singleRelativeSample, base);
-    expect(packages.packageMapping.keys.toList(), equals(["foo"]));
+    var packages = doParse(singleRelativeSample, base);
+    expect(packages.packages.toList(), equals(["foo"]));
     expect(packages.resolve(Uri.parse("package:qux/../foo/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("all valid chars", () {
-    var packages = Packages.parse(allValidCharsSample, base);
-    expect(packages.packageMapping.keys.toList(), equals([allValidChars]));
+    var packages = doParse(allValidCharsSample, base);
+    expect(packages.packages.toList(), equals([allValidChars]));
     expect(packages.resolve(Uri.parse("package:$allValidChars/bar/baz.dart")),
         equals(base.resolve("../test/").resolve("bar/baz.dart")));
   });
 
   test("no escapes", () {
-    expect(() => Packages.parse("x%41x=x", base), throws);
+    expect(() => doParse("x%41x=x", base), throws);
   });
 
   test("not identifiers", () {
-    expect(() => Packages.parse("1x=x", base), throws);
-    expect(() => Packages.parse(" x=x", base), throws);
-    expect(() => Packages.parse("\\x41x=x", base), throws);
-    expect(() => Packages.parse("x@x=x", base), throws);
-    expect(() => Packages.parse("x[x=x", base), throws);
-    expect(() => Packages.parse("x`x=x", base), throws);
-    expect(() => Packages.parse("x{x=x", base), throws);
-    expect(() => Packages.parse("x/x=x", base), throws);
-    expect(() => Packages.parse("x:x=x", base), throws);
+    expect(() => doParse("1x=x", base), throws);
+    expect(() => doParse(" x=x", base), throws);
+    expect(() => doParse("\\x41x=x", base), throws);
+    expect(() => doParse("x@x=x", base), throws);
+    expect(() => doParse("x[x=x", base), throws);
+    expect(() => doParse("x`x=x", base), throws);
+    expect(() => doParse("x{x=x", base), throws);
+    expect(() => doParse("x/x=x", base), throws);
+    expect(() => doParse("x:x=x", base), throws);
   });
 
   test("same name twice", () {
-    expect(() => Packages.parse(singleRelativeSample * 2, base), throws);
+    expect(() => doParse(singleRelativeSample * 2, base), throws);
   });
 
   for (String invalidSample in invalid) {
     test("invalid '$invalidSample'", () {
       var result;
       try {
-        result = Packages.parse(invalidSample, base);
+        result = doParse(invalidSample, base);
       } on FormatException {
         // expected
         return;
       }
       fail("Resolved to $result");
     });
   }
 }
 
+Packages doParse(String sample, Uri baseUri) {
+  Map<String, Uri> map = parse(sample.codeUnits, baseUri);
+  return new Packages(map);
+}
+
 // Valid samples.
 var emptySample = "";
 var commentOnlySample = "# comment only\n";
 var emptyLinesSample = "\n\n\r\n";
 var singleRelativeSample = "foo=../test/\n";
 var singleRelativeSampleNoSlash = "foo=../test\n";
 var singleRelativeSampleNoNewline = "foo=../test/";
 var singleAbsoluteSample = "foo=http://example.com/some/where/\n";
 var multiRelativeSample = "foo=../test/\nbar=../test2/\n";
 // All valid path segment characters in an URI.
 var allValidChars =
     r"$0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
 var allValidCharsSample = "${allValidChars.replaceAll('=', '%3D')}=../test/\n";
 var allUnreservedChars =
     "-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~";
 
 // Invalid samples.
 var invalid = [
   "foobar:baz.dart", // no equals
   ".=../test/", // dot segment
   "..=../test/", // dot-dot segment
   "foo/bar=../test/", //
   "/foo=../test/", // var multiSegmentSample
   "?=../test/", // invalid characters in path segment.
   "[=../test/", // invalid characters in path segment.
   "x#=../test/", // invalid characters in path segment.
 ];