fix

WebApi.Test/Application/ConfigApplicationTest.cs

@@ -0,0 +1,130 @@
+namespace WebApi.Test.Application;
+
+/// <summary>
+/// ConfigApplication 单元测试
+/// </summary>
+public class ConfigApplicationTest : BaseApplicationTest
+{
+    private readonly IConfigService _configService;
+    private readonly ILogger<ConfigApplication> _logger;
+    private readonly ConfigApplication _application;
+
+    public ConfigApplicationTest()
+    {
+        _configService = Substitute.For<IConfigService>();
+        _logger = CreateMockLogger<ConfigApplication>();
+        _application = new ConfigApplication(_configService, _logger);
+    }
+
+    #region GetConfigAsync Tests
+
+    [Fact]
+    public async Task GetConfigAsync_有效Key_应返回配置值()
+    {
+        // Arrange
+        const string key = "test-key";
+        const string expectedValue = "test-value";
+        _configService.GetConfigByKeyAsync<string>(key).Returns(expectedValue);
+
+        // Act
+        var result = await _application.GetConfigAsync(key);
+
+        // Assert
+        result.Should().Be(expectedValue);
+        await _configService.Received(1).GetConfigByKeyAsync<string>(key);
+    }
+
+    [Fact]
+    public async Task GetConfigAsync_配置不存在_应返回空字符串()
+    {
+        // Arrange
+        const string key = "non-existent-key";
+        _configService.GetConfigByKeyAsync<string>(key).Returns((string?)null);
+
+        // Act
+        var result = await _application.GetConfigAsync(key);
+
+        // Assert
+        result.Should().BeEmpty();
+    }
+
+    [Fact]
+    public async Task GetConfigAsync_空Key_应抛出ValidationException()
+    {
+        // Arrange & Act & Assert
+        await Assert.ThrowsAsync<ValidationException>(() => 
+            _application.GetConfigAsync(string.Empty));
+    }
+
+    [Fact]
+    public async Task GetConfigAsync_空白Key_应抛出ValidationException()
+    {
+        // Arrange & Act & Assert
+        await Assert.ThrowsAsync<ValidationException>(() => 
+            _application.GetConfigAsync("   "));
+    }
+
+    #endregion
+
+    #region SetConfigAsync Tests
+
+    [Fact]
+    public async Task SetConfigAsync_有效参数_应成功设置()
+    {
+        // Arrange
+        const string key = "test-key";
+        const string value = "test-value";
+        _configService.SetConfigByKeyAsync(key, value).Returns(true);
+
+        // Act
+        await _application.SetConfigAsync(key, value);
+
+        // Assert
+        await _configService.Received(1).SetConfigByKeyAsync(key, value);
+    }
+
+    [Fact]
+    public async Task SetConfigAsync_空Key_应抛出ValidationException()
+    {
+        // Arrange & Act & Assert
+        await Assert.ThrowsAsync<ValidationException>(() => 
+            _application.SetConfigAsync(string.Empty, "value"));
+    }
+
+    [Fact]
+    public async Task SetConfigAsync_设置失败_应抛出BusinessException()
+    {
+        // Arrange
+        const string key = "test-key";
+        const string value = "test-value";
+        _configService.SetConfigByKeyAsync(key, value).Returns(false);
+
+        // Act & Assert
+        var exception = await Assert.ThrowsAsync<BusinessException>(() => 
+            _application.SetConfigAsync(key, value));
+        exception.Message.Should().Contain(key);
+    }
+
+    [Fact]
+    public async Task SetConfigAsync_成功设置_应记录日志()
+    {
+        // Arrange
+        const string key = "test-key";
+        const string value = "test-value";
+        _configService.SetConfigByKeyAsync(key, value).Returns(true);
+
+        // Act
+        await _application.SetConfigAsync(key, value);
+
+        // Assert
+        _logger.Received().Log(
+            LogLevel.Information,
+            Arg.Any<EventId>(),
+            Arg.Is<object>(o => o.ToString()!.Contains(key)),
+            Arg.Any<Exception>(),
+            Arg.Any<Func<object, Exception?, string>>()!
+        );
+    }
+
+    #endregion
+}