Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 1 | #region Copyright notice and license |
| 2 | |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | // Copyright 2015 gRPC authors. |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 4 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | // you may not use this file except in compliance with the License. |
| 7 | // You may obtain a copy of the License at |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 8 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | // http://www.apache.org/licenses/LICENSE-2.0 |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 10 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | // Unless required by applicable law or agreed to in writing, software |
| 12 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | // See the License for the specific language governing permissions and |
| 15 | // limitations under the License. |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 16 | |
| 17 | #endregion |
| 18 | |
| 19 | using System; |
Jan Tattermusch | 4c25efa | 2015-08-21 16:07:57 -0700 | [diff] [blame] | 20 | using System.Collections.Generic; |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 21 | using System.Diagnostics; |
| 22 | using System.Linq; |
| 23 | using System.Threading; |
| 24 | using System.Threading.Tasks; |
Jan Tattermusch | 4c25efa | 2015-08-21 16:07:57 -0700 | [diff] [blame] | 25 | |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 26 | using Grpc.Core; |
| 27 | using Grpc.Core.Internal; |
| 28 | using Grpc.Core.Utils; |
Jan Tattermusch | 4c25efa | 2015-08-21 16:07:57 -0700 | [diff] [blame] | 29 | |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 30 | using NUnit.Framework; |
| 31 | |
| 32 | namespace Grpc.Core.Tests |
| 33 | { |
| 34 | /// <summary> |
| 35 | /// Tests for response headers support. |
| 36 | /// </summary> |
| 37 | public class ResponseHeadersTest |
| 38 | { |
| 39 | MockServiceHelper helper; |
| 40 | Server server; |
| 41 | Channel channel; |
| 42 | |
| 43 | Metadata headers; |
| 44 | |
| 45 | [SetUp] |
| 46 | public void Init() |
| 47 | { |
| 48 | helper = new MockServiceHelper(); |
| 49 | |
| 50 | server = helper.GetServer(); |
| 51 | server.Start(); |
| 52 | channel = helper.GetChannel(); |
| 53 | |
Jan Tattermusch | 410c473 | 2015-08-08 00:02:07 -0700 | [diff] [blame] | 54 | headers = new Metadata { { "ascii-header", "abcdefg" } }; |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | [TearDown] |
| 58 | public void Cleanup() |
| 59 | { |
Jan Tattermusch | 2b35795 | 2015-08-20 14:54:33 -0700 | [diff] [blame] | 60 | channel.ShutdownAsync().Wait(); |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 61 | server.ShutdownAsync().Wait(); |
| 62 | } |
| 63 | |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 64 | [Test] |
Jan Tattermusch | fb34a99 | 2015-08-21 10:45:39 -0700 | [diff] [blame] | 65 | public async Task ResponseHeadersAsync_UnaryCall() |
| 66 | { |
| 67 | helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) => |
| 68 | { |
| 69 | await context.WriteResponseHeadersAsync(headers); |
| 70 | return "PASS"; |
| 71 | }); |
| 72 | |
| 73 | var call = Calls.AsyncUnaryCall(helper.CreateUnaryCall(), ""); |
| 74 | var responseHeaders = await call.ResponseHeadersAsync; |
| 75 | |
| 76 | Assert.AreEqual(headers.Count, responseHeaders.Count); |
| 77 | Assert.AreEqual("ascii-header", responseHeaders[0].Key); |
| 78 | Assert.AreEqual("abcdefg", responseHeaders[0].Value); |
| 79 | |
| 80 | Assert.AreEqual("PASS", await call.ResponseAsync); |
| 81 | } |
| 82 | |
| 83 | [Test] |
Jan Tattermusch | 4c25efa | 2015-08-21 16:07:57 -0700 | [diff] [blame] | 84 | public async Task ResponseHeadersAsync_ClientStreamingCall() |
| 85 | { |
| 86 | helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => |
| 87 | { |
| 88 | await context.WriteResponseHeadersAsync(headers); |
| 89 | return "PASS"; |
| 90 | }); |
| 91 | |
| 92 | var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall()); |
| 93 | await call.RequestStream.CompleteAsync(); |
| 94 | var responseHeaders = await call.ResponseHeadersAsync; |
| 95 | |
| 96 | Assert.AreEqual("ascii-header", responseHeaders[0].Key); |
| 97 | Assert.AreEqual("PASS", await call.ResponseAsync); |
| 98 | } |
| 99 | |
| 100 | [Test] |
| 101 | public async Task ResponseHeadersAsync_ServerStreamingCall() |
| 102 | { |
| 103 | helper.ServerStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) => |
| 104 | { |
| 105 | await context.WriteResponseHeadersAsync(headers); |
| 106 | await responseStream.WriteAsync("PASS"); |
| 107 | }); |
| 108 | |
| 109 | var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), ""); |
| 110 | var responseHeaders = await call.ResponseHeadersAsync; |
| 111 | |
| 112 | Assert.AreEqual("ascii-header", responseHeaders[0].Key); |
Jan Tattermusch | dca145b | 2015-08-21 16:12:35 -0700 | [diff] [blame] | 113 | CollectionAssert.AreEqual(new[] { "PASS" }, await call.ResponseStream.ToListAsync()); |
Jan Tattermusch | 4c25efa | 2015-08-21 16:07:57 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | [Test] |
| 117 | public async Task ResponseHeadersAsync_DuplexStreamingCall() |
| 118 | { |
| 119 | helper.DuplexStreamingHandler = new DuplexStreamingServerMethod<string, string>(async (requestStream, responseStream, context) => |
| 120 | { |
| 121 | await context.WriteResponseHeadersAsync(headers); |
| 122 | while (await requestStream.MoveNext()) |
| 123 | { |
| 124 | await responseStream.WriteAsync(requestStream.Current); |
| 125 | } |
| 126 | }); |
| 127 | |
| 128 | var call = Calls.AsyncDuplexStreamingCall(helper.CreateDuplexStreamingCall()); |
| 129 | var responseHeaders = await call.ResponseHeadersAsync; |
| 130 | |
| 131 | var messages = new[] { "PASS" }; |
| 132 | await call.RequestStream.WriteAllAsync(messages); |
| 133 | |
| 134 | Assert.AreEqual("ascii-header", responseHeaders[0].Key); |
| 135 | CollectionAssert.AreEqual(messages, await call.ResponseStream.ToListAsync()); |
| 136 | } |
| 137 | |
| 138 | [Test] |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 139 | public void WriteResponseHeaders_NullNotAllowed() |
| 140 | { |
Jan Tattermusch | 2fb313c | 2017-08-09 09:41:25 +0200 | [diff] [blame] | 141 | helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 142 | { |
Jan Tattermusch | e331da2 | 2016-04-08 11:05:39 -0700 | [diff] [blame] | 143 | Assert.ThrowsAsync(typeof(ArgumentNullException), async () => await context.WriteResponseHeadersAsync(null)); |
Jan Tattermusch | 2fb313c | 2017-08-09 09:41:25 +0200 | [diff] [blame] | 144 | return Task.FromResult("PASS"); |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 145 | }); |
| 146 | |
| 147 | Assert.AreEqual("PASS", Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "")); |
| 148 | } |
| 149 | |
| 150 | [Test] |
| 151 | public void WriteResponseHeaders_AllowedOnlyOnce() |
| 152 | { |
| 153 | helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) => |
| 154 | { |
| 155 | await context.WriteResponseHeadersAsync(headers); |
| 156 | try |
| 157 | { |
| 158 | await context.WriteResponseHeadersAsync(headers); |
| 159 | Assert.Fail(); |
| 160 | } |
Jan Tattermusch | 2fb313c | 2017-08-09 09:41:25 +0200 | [diff] [blame] | 161 | catch (InvalidOperationException) |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 162 | { |
| 163 | } |
| 164 | return "PASS"; |
| 165 | }); |
| 166 | |
| 167 | Assert.AreEqual("PASS", Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "")); |
| 168 | } |
| 169 | |
| 170 | [Test] |
| 171 | public async Task WriteResponseHeaders_NotAllowedAfterWrite() |
| 172 | { |
| 173 | helper.ServerStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) => |
| 174 | { |
| 175 | await responseStream.WriteAsync("A"); |
| 176 | try |
| 177 | { |
| 178 | await context.WriteResponseHeadersAsync(headers); |
| 179 | Assert.Fail(); |
| 180 | } |
Jan Tattermusch | 2fb313c | 2017-08-09 09:41:25 +0200 | [diff] [blame] | 181 | catch (InvalidOperationException) |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 182 | { |
| 183 | } |
| 184 | await responseStream.WriteAsync("B"); |
| 185 | }); |
| 186 | |
| 187 | var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), ""); |
Jan Tattermusch | f22abfb | 2015-08-09 16:15:34 -0700 | [diff] [blame] | 188 | var responses = await call.ResponseStream.ToListAsync(); |
Jan Tattermusch | c75c57c | 2015-08-07 22:07:40 -0700 | [diff] [blame] | 189 | CollectionAssert.AreEqual(new[] { "A", "B" }, responses); |
| 190 | } |
| 191 | } |
| 192 | } |