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packages/usage/test/usage_impl_test.dart

Index: packages/usage/test/usage_impl_test.dart
diff --git a/packages/usage/test/usage_impl_test.dart b/packages/usage/test/usage_impl_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..8601ceef83e6c4d983f4770ad4de990f9f860ff6
--- /dev/null
+++ b/packages/usage/test/usage_impl_test.dart
@@ -0,0 +1,71 @@
+// 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.
+
+library usage.impl_test;
+
+import 'package:unittest/unittest.dart';
+import 'package:usage/src/usage_impl.dart';
+
+import 'src/common.dart';
+
+void defineTests() {
+  group('ThrottlingBucket', () {
+    test('can send', () {
+      ThrottlingBucket bucket = new ThrottlingBucket(20);
+      expect(bucket.removeDrop(), true);
+    });
+
+    test('doesn\'t send too many', () {
+      ThrottlingBucket bucket = new ThrottlingBucket(20);
+      for (int i = 0; i < 20; i++) {
+        expect(bucket.removeDrop(), true);
+      }
+      expect(bucket.removeDrop(), false);
+    });
+  });
+
+  group('AnalyticsImpl', () {
+    test('respects disabled', () {
+      AnalyticsImplMock mock = createMock();
+      mock.optIn = false;
+      mock.sendException('FooBar exception');
+      expect(mock.optIn, false);
+      expect(mock.mockPostHandler.sentValues, isEmpty);
+    });
+
+    test('hasSetOptIn', () {
+      AnalyticsImplMock mock = createMock(setOptIn: false);
+      expect(mock.hasSetOptIn, false);
+      mock.optIn = false;
+      expect(mock.hasSetOptIn, true);
+    });
+
+    test('setSessionValue', () {
+      AnalyticsImplMock mock = createMock();
+      mock.sendScreenView('foo');
+      hasnt(mock.last, 'val');
+      mock.setSessionValue('val', 'ue');
+      mock.sendScreenView('bar');
+      has(mock.last, 'val');
+      mock.setSessionValue('val', null);
+      mock.sendScreenView('baz');
+      hasnt(mock.last, 'val');
+    });
+
+    test('waitForLastPing', () {
+      AnalyticsImplMock mock = createMock();
+      mock.sendScreenView('foo');
+      mock.sendScreenView('bar');
+      mock.sendScreenView('baz');
+      return mock.waitForLastPing(timeout: new Duration(milliseconds: 100));
+    });
+  });
+
+  group('postEncode', () {
+    test('simple', () {
+      Map map = {'foo': 'bar', 'baz': 'qux norf'};
+      expect(postEncode(map), 'foo=bar&baz=qux%20norf');
+    });
+  });
+}