additional tests

Author: VisualBean

test/ByteBard.AsyncAPI.Tests/SchemaParserRegistryTests.cs

@@ -0,0 +1,81 @@
+namespace ByteBard.AsyncAPI.Tests;
+using NUnit.Framework;
+using Readers;
+
+public class SchemaParserRegistryTests
+{
+    private SchemaParserRegistry registry;
+    
+    public SchemaParserRegistryTests()
+    {
+        this.registry = new SchemaParserRegistry();
+    }
+
+    [Test]
+    public void GetParser_WithNullFormat_ReturnsJsonSchemaParser()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser(null);
+
+        // Assert
+        Assert.IsNotNull(result);
+        Assert.True(result is JsonSchemaParser);
+    }
+
+    [Test]
+    public void GetParser_WithEmptyFormat_ReturnsJsonSchemaParser()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser(string.Empty);
+
+        // Assert
+        Assert.IsNotNull(result);
+        Assert.True(result is JsonSchemaParser);
+    }
+
+    [Test]
+    public void GetParser_WithExactKeyMatch_ReturnsCorrectParser()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser("application/vnd.aai.asyncapi+json");
+
+        // Assert
+        Assert.IsNotNull(result);
+    }
+
+    [Test]
+    public void GetParser_WithPrefixMatch_ReturnsCorrectParser()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser("application/vnd.aai.asyncapi+json;charset=utf-8");
+
+        // Assert
+        Assert.IsNotNull(result);
+    }
+
+    [Test]
+    public void GetParser_WithUnknownFormat_ReturnsNull()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser("application/unknown+format");
+
+        // Assert
+        Assert.IsNull(result);
+    }
+
+    [Test]
+    public void GetParser_WithNonMatchingPrefix_ReturnsNull()
+    {
+        // Arrange
+        // Act
+        var result = this.registry.GetParser("text/plain");
+
+        // Assert
+        Assert.IsNull(result);
+    }
+}