- adds unit test for openapideprecationextension write

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

test/Microsoft.OpenAPI.OData.Reader.Tests/OpenApiExtensions/OpenApiDeprecationExtensionTests.cs

@@ -0,0 +1,73 @@
+using System;
+using System.IO;
+using Microsoft.OpenApi.Interfaces;
+using Microsoft.OpenApi.Writers;
+using Xunit;
+
+namespace Microsoft.OpenApi.OData.OpenApiExtensions.Tests;
+
+public class OpenApiDeprecationExtensionTests
+{
+    [Fact]
+    public void ExtensionNameMatchesExpected()
+    {
+        // Arrange
+        OpenApiDeprecationExtension extension = new();
+
+        // Act
+        string name = extension.Name;
+        string expectedName = "x-ms-deprecation";
+        Assert.Equal(expectedName, name);
+
+        // Assert
+        Assert.Equal(expectedName, name);
+    }
+    [Fact]
+    public void WritesNothingWhenNoValues()
+    {
+        // Arrange
+        OpenApiDeprecationExtension extension = new();
+        using TextWriter sWriter = new StringWriter();
+        OpenApiJsonWriter writer = new(sWriter);
+
+        // Act
+        extension.Write(writer, OpenApiSpecVersion.OpenApi3_0);
+        string result = sWriter.ToString();
+
+        // Assert
+        Assert.Null(extension.Date);
+        Assert.Null(extension.RemovalDate);
+        Assert.Null(extension.Version);
+        Assert.Null(extension.Description);
+        Assert.Empty(result);
+    }
+    [Fact]
+    public void WritesAllValues()
+    {
+        // Arrange
+        OpenApiDeprecationExtension extension = new() {
+            Date = new DateTime(2020, 1, 1),
+            RemovalDate = new DateTime(2021, 1, 1),
+            Version = "1.0.0",
+            Description = "This is a test"
+        };
+        using TextWriter sWriter = new StringWriter();
+        OpenApiJsonWriter writer = new(sWriter);
+
+        // Act
+        extension.Write(writer, OpenApiSpecVersion.OpenApi3_0);
+        string result = sWriter.ToString();
+
+        // Assert
+        Assert.NotNull(extension.Date);
+        Assert.NotNull(extension.RemovalDate);
+        Assert.NotNull(extension.Version);
+        Assert.NotNull(extension.Description);
+        Assert.Contains("2021-01-01T00:00:00.000000", result);
+        Assert.Contains("removalDate", result);
+        Assert.Contains("version", result);
+        Assert.Contains("1.0.0", result);
+        Assert.Contains("description", result);
+        Assert.Contains("This is a test", result);
+    }
+}