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.NET: [BREAKING] Add consistent message filtering to all providers. (#3851)
* Add consistent message filtering to all providers. * Remove old chat history filtering classes * Fix merge issues * Fix unit test * Enforce non-nullable property * Fix merging bug and make troubleshooting source info easier by adding tostring implementation
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westey
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parent
c99df98547
commit
de82ffd40a
+43
@@ -390,6 +390,49 @@ public sealed class AgentRequestMessageSourceAttributionTests
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#endregion
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#region ToString Tests
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[Fact]
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public void ToString_WithSourceId_ReturnsTypeColonId()
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{
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// Arrange
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AgentRequestMessageSourceAttribution attribution = new(AgentRequestMessageSourceType.AIContextProvider, "MyProvider");
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// Act
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string result = attribution.ToString();
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// Assert
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Assert.Equal("AIContextProvider:MyProvider", result);
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}
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[Fact]
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public void ToString_WithNullSourceId_ReturnsTypeOnly()
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{
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// Arrange
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AgentRequestMessageSourceAttribution attribution = new(AgentRequestMessageSourceType.ChatHistory, null);
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// Act
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string result = attribution.ToString();
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// Assert
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Assert.Equal("ChatHistory", result);
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}
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[Fact]
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public void ToString_Default_ReturnsExternalOnly()
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{
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// Arrange
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AgentRequestMessageSourceAttribution attribution = default;
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// Act
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string result = attribution.ToString();
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// Assert
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Assert.Equal("External", result);
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}
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#endregion
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#region Inequality Operator Tests
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[Fact]
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+40
@@ -414,6 +414,46 @@ public sealed class AgentRequestMessageSourceTypeTests
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#endregion
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#region ToString Tests
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[Fact]
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public void ToString_ReturnsValue()
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{
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// Arrange
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AgentRequestMessageSourceType source = new("CustomSource");
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// Act
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string result = source.ToString();
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// Assert
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Assert.Equal("CustomSource", result);
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}
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[Fact]
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public void ToString_StaticExternal_ReturnsExternal()
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{
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// Arrange & Act
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string result = AgentRequestMessageSourceType.External.ToString();
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// Assert
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Assert.Equal("External", result);
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}
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[Fact]
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public void ToString_Default_ReturnsExternal()
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{
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// Arrange
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AgentRequestMessageSourceType source = default;
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// Act
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string result = source.ToString();
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// Assert
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Assert.Equal("External", result);
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}
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#endregion
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#region IEquatable Tests
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[Fact]
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-141
@@ -1,141 +0,0 @@
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// Copyright (c) Microsoft. All rights reserved.
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.Extensions.AI;
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using Moq;
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using Moq.Protected;
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namespace Microsoft.Agents.AI.Abstractions.UnitTests;
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/// <summary>
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/// Contains tests for the <see cref="ChatHistoryProviderExtensions"/> class.
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/// </summary>
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public sealed class ChatHistoryProviderExtensionsTests
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{
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private static readonly AIAgent s_mockAgent = new Mock<AIAgent>().Object;
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private static readonly AgentSession s_mockSession = new Mock<AgentSession>().Object;
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[Fact]
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public void WithMessageFilters_ReturnsChatHistoryProviderMessageFilter()
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{
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// Arrange
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Mock<ChatHistoryProvider> providerMock = new();
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// Act
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ChatHistoryProvider result = providerMock.Object.WithMessageFilters(
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invokingMessagesFilter: msgs => msgs,
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invokedMessagesFilter: ctx => ctx);
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// Assert
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Assert.IsType<ChatHistoryProviderMessageFilter>(result);
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}
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[Fact]
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public async Task WithMessageFilters_InvokingFilter_IsAppliedAsync()
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{
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// Arrange
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Mock<ChatHistoryProvider> providerMock = new();
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List<ChatMessage> innerMessages = [new(ChatRole.User, "Hello"), new(ChatRole.Assistant, "Hi")];
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ChatHistoryProvider.InvokingContext context = new(s_mockAgent, s_mockSession, [new ChatMessage(ChatRole.User, "Test")]);
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providerMock
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.Protected()
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.Setup<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>())
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.ReturnsAsync(innerMessages);
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ChatHistoryProvider filtered = providerMock.Object.WithMessageFilters(
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invokingMessagesFilter: msgs => msgs.Where(m => m.Role == ChatRole.User));
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// Act
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List<ChatMessage> result = (await filtered.InvokingAsync(context, CancellationToken.None)).ToList();
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// Assert
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Assert.Single(result);
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Assert.Equal(ChatRole.User, result[0].Role);
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}
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[Fact]
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public async Task WithMessageFilters_InvokedFilter_IsAppliedAsync()
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{
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// Arrange
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Mock<ChatHistoryProvider> providerMock = new();
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List<ChatMessage> requestMessages =
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[
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new(ChatRole.System, "System") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.ChatHistory, "TestSource") } } },
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new(ChatRole.User, "Hello")
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];
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ChatHistoryProvider.InvokedContext context = new(s_mockAgent, s_mockSession, requestMessages)
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{
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ResponseMessages = [new ChatMessage(ChatRole.Assistant, "Response")]
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};
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ChatHistoryProvider.InvokedContext? capturedContext = null;
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providerMock
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.Protected()
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.Setup<ValueTask>("InvokedCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokedContext>(), ItExpr.IsAny<CancellationToken>())
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.Callback<ChatHistoryProvider.InvokedContext, CancellationToken>((ctx, _) => capturedContext = ctx)
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.Returns(default(ValueTask));
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ChatHistoryProvider filtered = providerMock.Object.WithMessageFilters(
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invokedMessagesFilter: ctx =>
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{
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ctx.ResponseMessages = null;
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return ctx;
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});
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// Act
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await filtered.InvokedAsync(context, CancellationToken.None);
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// Assert
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Assert.NotNull(capturedContext);
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Assert.Null(capturedContext.ResponseMessages);
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}
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[Fact]
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public void WithAIContextProviderMessageRemoval_ReturnsChatHistoryProviderMessageFilter()
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{
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// Arrange
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Mock<ChatHistoryProvider> providerMock = new();
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// Act
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ChatHistoryProvider result = providerMock.Object.WithAIContextProviderMessageRemoval();
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// Assert
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Assert.IsType<ChatHistoryProviderMessageFilter>(result);
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}
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[Fact]
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public async Task WithAIContextProviderMessageRemoval_RemovesAIContextProviderMessagesAsync()
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{
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// Arrange
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Mock<ChatHistoryProvider> providerMock = new();
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List<ChatMessage> requestMessages =
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[
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new(ChatRole.System, "System") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.ChatHistory, "TestSource") } } },
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new(ChatRole.User, "Hello"),
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new(ChatRole.System, "Context") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.AIContextProvider, "TestContextSource") } } }
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];
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ChatHistoryProvider.InvokedContext context = new(s_mockAgent, s_mockSession, requestMessages);
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ChatHistoryProvider.InvokedContext? capturedContext = null;
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providerMock
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.Protected()
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.Setup<ValueTask>("InvokedCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokedContext>(), ItExpr.IsAny<CancellationToken>())
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.Callback<ChatHistoryProvider.InvokedContext, CancellationToken>((ctx, _) => capturedContext = ctx)
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.Returns(default(ValueTask));
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ChatHistoryProvider filtered = providerMock.Object.WithAIContextProviderMessageRemoval();
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// Act
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await filtered.InvokedAsync(context, CancellationToken.None);
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// Assert
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Assert.NotNull(capturedContext);
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Assert.Equal(2, capturedContext.RequestMessages.Count());
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Assert.Contains("System", capturedContext.RequestMessages.Select(x => x.Text));
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Assert.Contains("Hello", capturedContext.RequestMessages.Select(x => x.Text));
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}
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}
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-213
@@ -1,213 +0,0 @@
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// Copyright (c) Microsoft. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.Extensions.AI;
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using Moq;
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using Moq.Protected;
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namespace Microsoft.Agents.AI.Abstractions.UnitTests;
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/// <summary>
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/// Contains tests for the <see cref="ChatHistoryProviderMessageFilter"/> class.
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/// </summary>
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public sealed class ChatHistoryProviderMessageFilterTests
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{
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private static readonly AIAgent s_mockAgent = new Mock<AIAgent>().Object;
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private static readonly AgentSession s_mockSession = new Mock<AgentSession>().Object;
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[Fact]
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public void Constructor_WithNullInnerProvider_ThrowsArgumentNullException()
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{
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// Arrange, Act & Assert
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Assert.Throws<ArgumentNullException>(() => new ChatHistoryProviderMessageFilter(null!));
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}
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[Fact]
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public void Constructor_WithOnlyInnerProvider_Throws()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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// Act & Assert
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Assert.Throws<ArgumentException>(() => new ChatHistoryProviderMessageFilter(innerProviderMock.Object));
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}
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[Fact]
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public void Constructor_WithAllParameters_CreatesInstance()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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IEnumerable<ChatMessage> InvokingFilter(IEnumerable<ChatMessage> msgs) => msgs;
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ChatHistoryProvider.InvokedContext InvokedFilter(ChatHistoryProvider.InvokedContext ctx) => ctx;
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// Act
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, InvokingFilter, InvokedFilter);
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// Assert
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Assert.NotNull(filter);
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}
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[Fact]
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public void StateKey_DelegatesToInnerProvider()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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innerProviderMock.Setup(p => p.StateKey).Returns("inner-state-key");
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// Act
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, x => x);
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// Assert
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Assert.Equal("inner-state-key", filter.StateKey);
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}
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[Fact]
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public async Task InvokingAsync_WithNoOpFilters_ReturnsInnerProviderMessagesAsync()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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var expectedMessages = new List<ChatMessage>
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{
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new(ChatRole.User, "Hello"),
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new(ChatRole.Assistant, "Hi there!")
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};
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var context = new ChatHistoryProvider.InvokingContext(s_mockAgent, s_mockSession, [new ChatMessage(ChatRole.User, "Test")]);
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innerProviderMock
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.Protected()
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.Setup<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>())
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.ReturnsAsync(expectedMessages);
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, x => x, x => x);
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// Act
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var result = (await filter.InvokingAsync(context, CancellationToken.None)).ToList();
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// Assert
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Assert.Equal(2, result.Count);
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Assert.Equal("Hello", result[0].Text);
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Assert.Equal("Hi there!", result[1].Text);
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innerProviderMock
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.Protected()
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.Verify<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", Times.Once(), ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>());
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}
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[Fact]
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public async Task InvokingAsync_WithInvokingFilter_AppliesFilterAsync()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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var innerMessages = new List<ChatMessage>
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{
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new(ChatRole.User, "Hello"),
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new(ChatRole.Assistant, "Hi there!"),
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new(ChatRole.User, "How are you?")
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};
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var context = new ChatHistoryProvider.InvokingContext(s_mockAgent, s_mockSession, [new ChatMessage(ChatRole.User, "Test")]);
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innerProviderMock
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.Protected()
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.Setup<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>())
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.ReturnsAsync(innerMessages);
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// Filter to only user messages
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IEnumerable<ChatMessage> InvokingFilter(IEnumerable<ChatMessage> msgs) => msgs.Where(m => m.Role == ChatRole.User);
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, InvokingFilter);
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// Act
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var result = (await filter.InvokingAsync(context, CancellationToken.None)).ToList();
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// Assert
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Assert.Equal(2, result.Count);
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Assert.All(result, msg => Assert.Equal(ChatRole.User, msg.Role));
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innerProviderMock
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.Protected()
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.Verify<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", Times.Once(), ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>());
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}
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[Fact]
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public async Task InvokingAsync_WithInvokingFilter_CanModifyMessagesAsync()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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var innerMessages = new List<ChatMessage>
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{
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new(ChatRole.User, "Hello"),
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new(ChatRole.Assistant, "Hi there!")
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};
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var context = new ChatHistoryProvider.InvokingContext(s_mockAgent, s_mockSession, [new ChatMessage(ChatRole.User, "Test")]);
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innerProviderMock
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.Protected()
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.Setup<ValueTask<IEnumerable<ChatMessage>>>("InvokingCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokingContext>(), ItExpr.IsAny<CancellationToken>())
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.ReturnsAsync(innerMessages);
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// Filter that transforms messages
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IEnumerable<ChatMessage> InvokingFilter(IEnumerable<ChatMessage> msgs) =>
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msgs.Select(m => new ChatMessage(m.Role, $"[FILTERED] {m.Text}"));
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, InvokingFilter);
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// Act
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var result = (await filter.InvokingAsync(context, CancellationToken.None)).ToList();
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// Assert
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Assert.Equal(2, result.Count);
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Assert.Equal("[FILTERED] Hello", result[0].Text);
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Assert.Equal("[FILTERED] Hi there!", result[1].Text);
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}
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[Fact]
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public async Task InvokedAsync_WithInvokedFilter_AppliesFilterAsync()
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{
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// Arrange
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var innerProviderMock = new Mock<ChatHistoryProvider>();
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List<ChatMessage> requestMessages =
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[
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new(ChatRole.System, "System") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.ChatHistory, "TestSource") } } },
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new(ChatRole.User, "Hello"),
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];
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var responseMessages = new List<ChatMessage> { new(ChatRole.Assistant, "Response") };
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var context = new ChatHistoryProvider.InvokedContext(s_mockAgent, s_mockSession, requestMessages)
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{
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ResponseMessages = responseMessages
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};
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ChatHistoryProvider.InvokedContext? capturedContext = null;
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innerProviderMock
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.Protected()
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.Setup<ValueTask>("InvokedCoreAsync", ItExpr.IsAny<ChatHistoryProvider.InvokedContext>(), ItExpr.IsAny<CancellationToken>())
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.Callback<ChatHistoryProvider.InvokedContext, CancellationToken>((ctx, ct) => capturedContext = ctx)
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.Returns(default(ValueTask));
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// Filter that modifies the context
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ChatHistoryProvider.InvokedContext InvokedFilter(ChatHistoryProvider.InvokedContext ctx)
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{
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var modifiedRequestMessages = ctx.RequestMessages.Where(x => x.GetAgentRequestMessageSourceType() == AgentRequestMessageSourceType.External).Select(m => new ChatMessage(m.Role, $"[FILTERED] {m.Text}")).ToList();
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return new ChatHistoryProvider.InvokedContext(s_mockAgent, s_mockSession, modifiedRequestMessages)
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{
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ResponseMessages = ctx.ResponseMessages,
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InvokeException = ctx.InvokeException
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};
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}
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var filter = new ChatHistoryProviderMessageFilter(innerProviderMock.Object, invokedMessagesFilter: InvokedFilter);
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// Act
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await filter.InvokedAsync(context, CancellationToken.None);
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// Assert
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Assert.NotNull(capturedContext);
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Assert.Single(capturedContext.RequestMessages);
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Assert.Equal("[FILTERED] Hello", capturedContext.RequestMessages.First().Text);
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innerProviderMock
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.Protected()
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.Verify<ValueTask>("InvokedCoreAsync", Times.Once(), ItExpr.IsAny<ChatHistoryProvider.InvokedContext>(), ItExpr.IsAny<CancellationToken>());
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}
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}
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+86
-1
@@ -83,7 +83,7 @@ public class InMemoryChatHistoryProviderTests
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};
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var provider = new InMemoryChatHistoryProvider();
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provider.SetMessages(session, [providerMessages[0]]);
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provider.SetMessages(session, providerMessages);
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var context = new ChatHistoryProvider.InvokedContext(s_mockAgent, session, requestMessages)
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{
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ResponseMessages = responseMessages
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@@ -397,6 +397,91 @@ public class InMemoryChatHistoryProviderTests
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await Assert.ThrowsAsync<ArgumentNullException>(() => provider.InvokingAsync(null!, CancellationToken.None).AsTask());
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}
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[Fact]
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public async Task InvokedAsync_DefaultFilter_ExcludesChatHistoryMessagesAsync()
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{
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// Arrange
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var session = CreateMockSession();
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var provider = new InMemoryChatHistoryProvider();
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var requestMessages = new List<ChatMessage>
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{
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new(ChatRole.User, "External message"),
|
||||
new(ChatRole.System, "From history") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.ChatHistory, "HistorySource") } } },
|
||||
new(ChatRole.System, "From context provider") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.AIContextProvider, "ContextSource") } } },
|
||||
};
|
||||
|
||||
var context = new ChatHistoryProvider.InvokedContext(s_mockAgent, session, requestMessages)
|
||||
{
|
||||
ResponseMessages = [new ChatMessage(ChatRole.Assistant, "Response")]
|
||||
};
|
||||
|
||||
// Act
|
||||
await provider.InvokedAsync(context, CancellationToken.None);
|
||||
|
||||
// Assert - ChatHistory message excluded, AIContextProvider message included
|
||||
var messages = provider.GetMessages(session);
|
||||
Assert.Equal(3, messages.Count);
|
||||
Assert.Equal("External message", messages[0].Text);
|
||||
Assert.Equal("From context provider", messages[1].Text);
|
||||
Assert.Equal("Response", messages[2].Text);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task InvokedAsync_CustomFilter_OverridesDefaultAsync()
|
||||
{
|
||||
// Arrange
|
||||
var session = CreateMockSession();
|
||||
var provider = new InMemoryChatHistoryProvider(new InMemoryChatHistoryProviderOptions
|
||||
{
|
||||
StorageInputMessageFilter = messages => messages.Where(m => m.GetAgentRequestMessageSourceType() == AgentRequestMessageSourceType.External)
|
||||
});
|
||||
var requestMessages = new List<ChatMessage>
|
||||
{
|
||||
new(ChatRole.User, "External message"),
|
||||
new(ChatRole.System, "From history") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.ChatHistory, "HistorySource") } } },
|
||||
new(ChatRole.System, "From context provider") { AdditionalProperties = new() { { AgentRequestMessageSourceAttribution.AdditionalPropertiesKey, new AgentRequestMessageSourceAttribution(AgentRequestMessageSourceType.AIContextProvider, "ContextSource") } } },
|
||||
};
|
||||
|
||||
var context = new ChatHistoryProvider.InvokedContext(s_mockAgent, session, requestMessages)
|
||||
{
|
||||
ResponseMessages = [new ChatMessage(ChatRole.Assistant, "Response")]
|
||||
};
|
||||
|
||||
// Act
|
||||
await provider.InvokedAsync(context, CancellationToken.None);
|
||||
|
||||
// Assert - Custom filter keeps only External messages (both ChatHistory and AIContextProvider excluded)
|
||||
var messages = provider.GetMessages(session);
|
||||
Assert.Equal(2, messages.Count);
|
||||
Assert.Equal("External message", messages[0].Text);
|
||||
Assert.Equal("Response", messages[1].Text);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task InvokingAsync_OutputFilter_FiltersOutputMessagesAsync()
|
||||
{
|
||||
// Arrange
|
||||
var session = CreateMockSession();
|
||||
var provider = new InMemoryChatHistoryProvider(new InMemoryChatHistoryProviderOptions
|
||||
{
|
||||
RetrievalOutputMessageFilter = messages => messages.Where(m => m.Role == ChatRole.User)
|
||||
});
|
||||
provider.SetMessages(session,
|
||||
[
|
||||
new ChatMessage(ChatRole.User, "User message"),
|
||||
new ChatMessage(ChatRole.Assistant, "Assistant message"),
|
||||
new ChatMessage(ChatRole.System, "System message")
|
||||
]);
|
||||
|
||||
// Act
|
||||
var context = new ChatHistoryProvider.InvokingContext(s_mockAgent, session, []);
|
||||
var result = (await provider.InvokingAsync(context, CancellationToken.None)).ToList();
|
||||
|
||||
// Assert - Only user messages pass through the output filter
|
||||
Assert.Single(result);
|
||||
Assert.Equal("User message", result[0].Text);
|
||||
}
|
||||
|
||||
public class TestAIContent(string testData) : AIContent
|
||||
{
|
||||
public string TestData => testData;
|
||||
|
||||
Reference in New Issue
Block a user