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packages/usage/test/usage_impl_io_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.
+
+library usage.usage_impl_io_test;
+
+import 'dart:async';
+import 'dart:io';
+
+import 'package:unittest/unittest.dart';
+import 'package:usage/src/usage_impl_io.dart';
+
+void defineTests() {
+  group('IOPostHandler', () {
+    test('sendPost', () {
+      var httpClient = new MockHttpClient();
+      IOPostHandler postHandler = new IOPostHandler(mockClient: httpClient);
+      Map args = {'utv': 'varName', 'utt': 123};
+      return postHandler.sendPost('http://www.google.com', args).then((_) {
+        expect(httpClient.sendCount, 1);
+      });
+    });
+  });
+
+  group('IOPersistentProperties', () {
+    test('add', () {
+      IOPersistentProperties props = new IOPersistentProperties('foo_props');
+      props['foo'] = 'bar';
+      expect(props['foo'], 'bar');
+    });
+
+    test('remove', () {
+      IOPersistentProperties props = new IOPersistentProperties('foo_props');
+      props['foo'] = 'bar';
+      expect(props['foo'], 'bar');
+      props['foo'] = null;
+      expect(props['foo'], null);
+    });
+  });
+}
+
+class MockHttpClient implements HttpClient {
+  String userAgent;
+  int sendCount = 0;
+  int writeCount = 0;
+  bool closed = false;
+  Future<HttpClientRequest> postUrl(Uri url) {
+    return new Future.value(new MockHttpClientRequest(this));
+  }
+  noSuchMethod(Invocation invocation) { }
+}
+
+class MockHttpClientRequest implements HttpClientRequest {
+  final MockHttpClient client;
+  MockHttpClientRequest(this.client);
+  void write(Object obj) {
+    client.writeCount++;
+  }
+  Future<HttpClientResponse> close() {
+    client.closed = true;
+    return new Future.value(new MockHttpClientResponse(client));
+  }
+  noSuchMethod(Invocation invocation) { }
+}
+
+class MockHttpClientResponse implements HttpClientResponse {
+  final MockHttpClient client;
+  MockHttpClientResponse(this.client);
+  Future drain([var futureValue]) {
+    client.sendCount++;
+    return new Future.value();
+  }
+  noSuchMethod(Invocation invocation) { }
+}