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chore: import upstream snapshot with attribution
2026-07-13 13:39:25 +08:00

88 lines
2.5 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using System.Collections.Generic;
using A2A;
using Microsoft.Extensions.AI;
namespace Microsoft.Agents.AI.A2A.UnitTests;
/// <summary>
/// Unit tests for the <see cref="A2AAIContentExtensions"/> class.
/// </summary>
public sealed class A2AAIContentExtensionsTests
{
[Fact]
public void ToA2AParts_WithEmptyCollection_ReturnsNull()
{
// Arrange
var emptyContents = new List<AIContent>();
// Act
var result = emptyContents.ToParts();
// Assert
Assert.Null(result);
}
[Fact]
public void ToA2AParts_WithMultipleContents_ReturnsListWithAllParts()
{
// Arrange
var contents = new List<AIContent>
{
new TextContent("First text"),
new UriContent("https://example.com/file1.txt", "file/txt"),
new TextContent("Second text"),
};
// Act
var result = contents.ToParts();
// Assert
Assert.NotNull(result);
Assert.Equal(3, result.Count);
Assert.Equal(PartContentCase.Text, result[0].ContentCase);
Assert.Equal("First text", result[0].Text);
Assert.Equal(PartContentCase.Url, result[1].ContentCase);
Assert.Equal("https://example.com/file1.txt", result[1].Url);
Assert.Equal(PartContentCase.Text, result[2].ContentCase);
Assert.Equal("Second text", result[2].Text);
}
[Fact]
public void ToA2AParts_WithMixedSupportedAndUnsupportedContent_IgnoresUnsupportedContent()
{
// Arrange
var contents = new List<AIContent>
{
new TextContent("First text"),
new MockAIContent(), // Unsupported - should be ignored
new UriContent("https://example.com/file.txt", "file/txt"),
new MockAIContent(), // Unsupported - should be ignored
new TextContent("Second text")
};
// Act
var result = contents.ToParts();
// Assert
Assert.NotNull(result);
Assert.Equal(3, result.Count);
Assert.Equal(PartContentCase.Text, result[0].ContentCase);
Assert.Equal("First text", result[0].Text);
Assert.Equal(PartContentCase.Url, result[1].ContentCase);
Assert.Equal("https://example.com/file.txt", result[1].Url);
Assert.Equal(PartContentCase.Text, result[2].ContentCase);
Assert.Equal("Second text", result[2].Text);
}
// Mock class for testing unsupported scenarios
private sealed class MockAIContent : AIContent;
}