Add discord tests

tests/Tgstation.Server.Host.Tests/Components/Chat/Providers/TestDiscordProvider.cs

@@ -0,0 +1,86 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Tgstation.Server.Host.Components.Chat.Providers.Tests
+{
+	[TestClass]
+	public sealed class TestDiscordProvider
+	{
+		string testToken1;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			testToken1 = Environment.GetEnvironmentVariable("TGS4_TEST_DISCORD_TOKEN_1");
+		}
+
+		[TestMethod]
+		public void TestConstructionAndDisposal()
+		{
+			Assert.ThrowsException<ArgumentNullException>(() => new DiscordProvider(null, null));
+			var mockLogger = new Mock<ILogger<DiscordProvider>>();
+			Assert.ThrowsException<ArgumentNullException>(() => new DiscordProvider(mockLogger.Object, null));
+			var mockToken = "asdf";
+			new DiscordProvider(mockLogger.Object, mockToken).Dispose();
+		}
+
+		[TestMethod]
+		public async Task TestConnectWithFakeTokenFails()
+		{
+			var mockLogger = new Mock<ILogger<DiscordProvider>>();
+			using (var provider = new DiscordProvider(mockLogger.Object, "asdf"))
+			{
+				Assert.IsFalse(await provider.Connect(default).ConfigureAwait(false));
+				Assert.IsFalse(provider.Connected);
+			}
+		}
+
+		[Ignore("Broken due to dependency issues after first call to .Connect()")]
+		[TestMethod]
+		public async Task TestConnectAndDisconnect()
+		{
+			if (testToken1 == null)
+				Assert.Inconclusive("Required environment variable TGS4_TEST_DISCORD_TOKEN_1 isn't set!");
+
+
+			var mockLogger = new Mock<ILogger<DiscordProvider>>();
+			using (var provider = new DiscordProvider(mockLogger.Object, testToken1))
+			{
+				Assert.IsFalse(provider.Connected);
+				await provider.Disconnect(default).ConfigureAwait(false);
+				Assert.IsFalse(provider.Connected);
+				Assert.IsTrue(await provider.Connect(default).ConfigureAwait(false));
+				Assert.IsTrue(provider.Connected);
+				Assert.IsTrue(await provider.Connect(default).ConfigureAwait(false));
+				Assert.IsTrue(provider.Connected);
+
+				await provider.Disconnect(default).ConfigureAwait(false);
+				Assert.IsFalse(provider.Connected);
+				await provider.Disconnect(default).ConfigureAwait(false);
+				Assert.IsFalse(provider.Connected);
+
+				//now try it with cancellationTokens
+				using (var cts = new CancellationTokenSource())
+				{
+					cts.Cancel();
+					var cancellationToken = cts.Token;
+					await Assert.ThrowsExceptionAsync<OperationCanceledException>(() => provider.Connect(cancellationToken)).ConfigureAwait(false);
+					Assert.IsFalse(provider.Connected);
+					Assert.IsTrue(await provider.Connect(default).ConfigureAwait(false));
+					Assert.IsTrue(provider.Connected);
+					await Assert.ThrowsExceptionAsync<OperationCanceledException>(() => provider.Disconnect(cancellationToken)).ConfigureAwait(false);
+					Assert.IsTrue(provider.Connected);
+					await provider.Disconnect(default).ConfigureAwait(false);
+					Assert.IsFalse(provider.Connected);
+				}
+
+			}
+		}
+	}
+}