test: 更新单元测试

Author: ArgoZhang

src/BootstrapBlazor/Services/Serial/DefaultSerialService.cs

@@ -13,9 +13,9 @@ class DefaultSerialService : ISerialService, IAsyncDisposable
 
     private JSModule? _module;
 
-    private IJSRuntime _runtime;
+    private readonly IJSRuntime _runtime;
 
-    private string _serialPortId;
+    private readonly string _serialPortId;
 
     private SerialPort? _serialPort;
 

src/BootstrapBlazor/Services/Serial/SerialSignals.cs

@@ -2,12 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
 namespace BootstrapBlazor.Components;
 
 //RS-232C接口定义(DB9)

test/UnitTest/Services/SerialServiceTest.cs

@@ -0,0 +1,58 @@
+// Copyright (c) Argo Zhang ([email protected]). All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+// Website: https://www.blazor.zone or https://argozhang.github.io/
+
+namespace UnitTest.Services;
+
+public class SerialServiceTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public async Task GetPort_Ok()
+    {
+        Context.JSInterop.Setup<bool>("init", matcher => matcher.Arguments.Count == 1 && (matcher.Arguments[0]?.ToString()?.StartsWith("bb_serial_") ?? false)).SetResult(true);
+        Context.JSInterop.Setup<bool>("getPort", matcher => matcher.Arguments.Count == 1 && (matcher.Arguments[0]?.ToString()?.StartsWith("bb_serial_") ?? false)).SetResult(true);
+        Context.JSInterop.Setup<bool>("open", matcher => matcher.Arguments.Count == 4 && (matcher.Arguments[0]?.ToString()?.StartsWith("bb_serial_") ?? false)).SetResult(true);
+        Context.JSInterop.Setup<bool>("close", matcher => matcher.Arguments.Count == 1 && (matcher.Arguments[0]?.ToString()?.StartsWith("bb_serial_") ?? false)).SetResult(true);
+        Context.JSInterop.Setup<bool>("write", matcher => matcher.Arguments.Count == 2 && (matcher.Arguments[0]?.ToString()?.StartsWith("bb_serial_") ?? false)).SetResult(true);
+        var serialService = Context.Services.GetRequiredService<ISerialService>();
+
+        var serialPort = await serialService.GetPort();
+        Assert.True(serialService.IsSupport);
+        Assert.NotNull(serialPort);
+
+        // DataReceive
+        serialPort.DataReceive = d =>
+        {
+            return Task.CompletedTask;
+        };
+
+        var option = new SerialOptions()
+        {
+            BaudRate = 9600,
+            BufferSize = 1024,
+            DataBits = 8,
+            FlowControlType = SerialFlowControlType.Hardware,
+            ParityType = SerialParityType.Odd,
+            StopBits = 1
+        };
+        await serialPort.Open(option);
+        Assert.True(serialPort.IsOpen);
+        Assert.Equal(9600, option.BaudRate);
+        Assert.Equal(1024, option.BufferSize);
+        Assert.Equal(8, option.DataBits);
+        Assert.Equal(SerialFlowControlType.Hardware, option.FlowControlType);
+        Assert.Equal(SerialParityType.Odd, option.ParityType);
+        Assert.Equal(1, option.StopBits);
+
+        await serialPort.Write([0x31, 0x32]);
+
+        var mi = serialPort.GetType().GetMethod("DataReceiveCallback");
+        Assert.NotNull(mi);
+        mi.Invoke(serialPort, ["12"u8.ToArray()]);
+
+        await serialPort.Close();
+        Assert.False(serialPort.IsOpen);
+
+        await serialPort.DisposeAsync();
+    }
+}