namespace AnthropicClient.Tests.Unit.Models; public class AuthenticationErrorTests : SerializationTest { private readonly string _testJson = @"{ ""message"": ""message"", ""type"": ""authentication_error"" }"; [Fact] public void Constructor_WhenCalled_ItShouldInitializeProperties() { var expectedMessage = "message"; var actual = new AuthenticationError(expectedMessage); actual.Message.Should().Be(expectedMessage); actual.Type.Should().Be("authentication_error"); } [Fact] public void JsonSerialization_WhenSerialized_ItShouldHaveExpectedShape() { var error = new AuthenticationError("message"); var actual = Serialize(error); JsonAssert.Equal(_testJson, actual); } [Fact] public void JsonDeserialization_WhenDeserialized_ItShouldHaveExpectedShape() { var expected = new AuthenticationError("message"); var actual = Deserialize(_testJson); actual.Should().BeEquivalentTo(expected); } }