test: 增加单元测试

Author: ArgoZhang

test/UnitTestRegion/RegionTest.cs

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+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). 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 UnitTestRegion;
+
+public class RegionTest
+{
+    [Fact]
+    public void Test1()
+    {
+
+    }
+}

test/UnitTestRegion/ServiceTest.cs

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+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). 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 UnitTestRegion;
+
+public class UnitTest1
+{
+    [Fact]
+    public void GetCities_Ok()
+    {
+        var sc = new ServiceCollection();
+        sc.AddBootstrapBlazorRegionService();
+
+        var provider = sc.BuildServiceProvider();
+        var regionService = provider.GetRequiredService<IRegionService>();
+
+        var provinces = regionService.GetProvinces();
+        Assert.Equal(34, provinces.Count);
+
+        var cities = regionService.GetCities("北京市");
+        Assert.Empty(cities);
+
+        cities = regionService.GetCities("河北省");
+        Assert.Equal(11, cities.Count);
+
+        cities = regionService.GetCities("台湾省");
+        Assert.Equal(9, cities.Count);
+    }
+
+    [Fact]
+    public void GetCounties_Ok()
+    {
+        var sc = new ServiceCollection();
+        sc.AddBootstrapBlazorRegionService();
+
+        var provider = sc.BuildServiceProvider();
+        var regionService = provider.GetRequiredService<IRegionService>();
+
+        var counties = regionService.GetCounties("北京市");
+        Assert.Equal(16, counties.Count);
+
+        counties = regionService.GetCounties("天津市");
+        Assert.Equal(16, counties.Count);
+
+        counties = regionService.GetCounties("承德市");
+        Assert.Equal(11, counties.Count);
+
+        counties = regionService.GetCounties("嘉义市");
+        Assert.Equal(15, counties.Count);
+
+        counties = regionService.GetCounties("重庆市");
+        Assert.Equal(38, counties.Count);
+    }
+
+    [Fact]
+    public void GetDetails_Ok()
+    {
+        var sc = new ServiceCollection();
+        sc.AddBootstrapBlazorRegionService();
+
+        var provider = sc.BuildServiceProvider();
+        var regionService = provider.GetRequiredService<IRegionService>();
+
+        var details = regionService.GetDetails("659012");
+        Assert.Equal(4, details.Count);
+    }
+}

test/UnitTestRegion/UnitTestRegion.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.*" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\components\BootstrapBlazor.Region\BootstrapBlazor.Region.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+</Project>