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packages/quiver/test/pattern/pattern_test.dart

+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+library quiver.pattern_test;
+
+import 'package:test/test.dart';
+import 'package:quiver/pattern.dart';
+
+final _specialChars = r'\^$.|+[](){}';
+
+main() {
+  group('escapeRegex', () {
+    test('should escape special characters', () {
+      for (var c in _specialChars.split('')) {
+        expect(escapeRegex(c), '\\$c');
+      }
+    });
+  });
+
+  group('matchesAny', () {
+    test('should match multiple include patterns', () {
+      expectMatch(matchAny(['a', 'b']), 'a', 0, ['a']);
+      expectMatch(matchAny(['a', 'b']), 'b', 0, ['b']);
+    });
+
+    test('should match multiple include patterns (non-zero start)', () {
+      expectMatch(matchAny(['a', 'b']), 'ba', 1, ['a']);
+      expectMatch(matchAny(['a', 'b']), 'aab', 2, ['b']);
+    });
+
+    test('should return multiple matches', () {
+      expectMatch(matchAny(['a', 'b']), 'ab', 0, ['a', 'b']);
+    });
+
+    test('should return multiple matches (non-zero start)', () {
+      expectMatch(matchAny(['a', 'b', 'c']), 'cab', 1, ['a', 'b']);
+    });
+
+    test('should exclude', () {
+      expectMatch(
+          matchAny(['foo', 'bar'], exclude: ['foobar']), 'foobar', 0, []);
+    });
+
+    test('should exclude (non-zero start)', () {
+      expectMatch(
+          matchAny(['foo', 'bar'], exclude: ['foobar']), 'xyfoobar', 2, []);
+    });
+  });
+
+  group('matchesFull', () {
+    test('should match a string', () {
+      expect(matchesFull('abcd', 'abcd'), true);
+      expect(matchesFull(new RegExp('a.*d'), 'abcd'), true);
+    });
+
+    test('should return false for a partial match', () {
+      expect(matchesFull('abc', 'abcd'), false);
+      expect(matchesFull('bcd', 'abcd'), false);
+      expect(matchesFull(new RegExp('a.*c'), 'abcd'), false);
+      expect(matchesFull(new RegExp('b.*d'), 'abcd'), false);
+    });
+  });
+}
+
+expectMatch(Pattern pattern, String str, int start, List<String> matches) {
+  var actual = pattern.allMatches(str, start).map((m) => m.group(0)).toList();
+  expect(actual, matches);
+}