Added .packages, packages/ discovery.

test/test_packagemap.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: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);
-  });
-  test("comment only", () {
-    var packages = Packages.parse(commentOnlySample, base);
-    expect(packages.packageMapping, isEmpty);
-  });
-  test("empty lines only", () {
-    var packages = Packages.parse(emptyLinesSample, base);
-    expect(packages.packageMapping, isEmpty);
-  });
-
-  test("empty lines only", () {
-    var packages = Packages.parse(emptyLinesSample, base);
-    expect(packages.packageMapping, isEmpty);
-  });
-
-  test("single", () {
-    var packages = Packages.parse(singleRelativeSample, base);
-    expect(packages.packageMapping.keys.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"]));
-    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"]));
-    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"]));
-    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);
-    expect(
-        packages.packageMapping.keys.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"]));
-    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"]));
-    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]));
-    expect(packages.resolve(Uri.parse("package:$allValidChars/bar/baz.dart")),
-        equals(base.resolve("../test/").resolve("bar/baz.dart")));
-  });
-
-  test("no escapes", () {
-    expect(() => Packages.parse("x%41x=x", base), throws);
-  });
-
-  test("not identifiers", () {
-    expect(() => Packages.parse("1x=x", base), throws);
-    expect(() => Packages.parse(" x=x", base), throws);
-    expect(() => Packages.parse("\\x41x=x", base), throws);
-    expect(() => Packages.parse("x@x=x", base), throws);
-    expect(() => Packages.parse("x[x=x", base), throws);
-    expect(() => Packages.parse("x`x=x", base), throws);
-    expect(() => Packages.parse("x{x=x", base), throws);
-    expect(() => Packages.parse("x/x=x", base), throws);
-    expect(() => Packages.parse("x:x=x", base), throws);
-  });
-
-  test("same name twice", () {
-    expect(() => Packages.parse(singleRelativeSample * 2, base), throws);
-  });
-
-  for (String invalidSample in invalid) {
-    test("invalid '$invalidSample'", () {
-      var result;
-      try {
-        result = Packages.parse(invalidSample, base);
-      } on FormatException {
-        // expected
-        return;
-      }
-      fail("Resolved to $result");
-    });
-  }
-}
-
-// 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.
-];