Roll Observatory packages and add a roll script

packages/glob/test/glob_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:glob/glob.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group("Glob.quote()", () {
+    test("quotes all active characters", () {
+      expect(Glob.quote("*{[?\\}],-"), equals(r"\*\{\[\?\\\}\]\,\-"));
+    });
+
+    test("doesn't quote inactive characters", () {
+      expect(Glob.quote("abc~`_+="), equals("abc~`_+="));
+    });
+  });
+
+  group("Glob.matches()", () {
+    test("returns whether the path matches the glob", () {
+      var glob = new Glob("foo*");
+      expect(glob.matches("foobar"), isTrue);
+      expect(glob.matches("baz"), isFalse);
+    });
+
+    test("only matches the entire path", () {
+      var glob = new Glob("foo");
+      expect(glob.matches("foo/bar"), isFalse);
+      expect(glob.matches("bar/foo"), isFalse);
+    });
+  });
+
+  group("Glob.matchAsPrefix()", () {
+    test("returns a match if the path matches the glob", () {
+      var glob = new Glob("foo*");
+      expect(glob.matchAsPrefix("foobar"), new isInstanceOf<Match>());
+      expect(glob.matchAsPrefix("baz"), isNull);
+    });
+
+    test("returns null for start > 0", () {
+      var glob = new Glob("*");
+      expect(glob.matchAsPrefix("foobar", 1), isNull);
+    });
+  });
+
+  group("Glob.allMatches()", () {
+    test("returns a single match if the path matches the glob", () {
+      var matches = new Glob("foo*").allMatches("foobar");
+      expect(matches, hasLength(1));
+      expect(matches.first, new isInstanceOf<Match>());
+    });
+
+    test("returns an empty list if the path doesn't match the glob", () {
+      expect(new Glob("foo*").allMatches("baz"), isEmpty);
+    });
+
+    test("returns no matches for start > 0", () {
+      var glob = new Glob("*");
+      expect(glob.allMatches("foobar", 1), isEmpty);
+    });
+  });
+
+  group("GlobMatch", () {
+    var glob = new Glob("foo*");
+    var match = glob.matchAsPrefix("foobar");
+
+    test("returns the string as input", () {
+      expect(match.input, equals("foobar"));
+    });
+
+    test("returns the glob as the pattern", () {
+      expect(match.pattern, equals(glob));
+    });
+
+    test("returns the span of the string for start and end", () {
+      expect(match.start, equals(0));
+      expect(match.end, equals("foobar".length));
+    });
+
+    test("has a single group that contains the whole string", () {
+      expect(match.groupCount, equals(0));
+      expect(match[0], equals("foobar"));
+      expect(match.group(0), equals("foobar"));
+      expect(match.groups([0]), equals(["foobar"]));
+    });
+
+    test("throws a range error for an invalid group", () {
+      expect(() => match[1], throwsRangeError);
+      expect(() => match[-1], throwsRangeError);
+      expect(() => match.group(1), throwsRangeError);
+      expect(() => match.groups([1]), throwsRangeError);
+    });
+  });
+}