Extend IngestionPipeline to support processing documents without a file system reader by Copilot · Pull Request #7488 · dotnet/extensions

Copilot · 2026-04-26T06:36:29Z

Modify IngestionPipeline.cs: remove _reader field and reader from constructor, add ProcessAsync(IngestionDocument) returning Task<IngestionDocument>, add IngestionDocumentReader reader as first param to file-system ProcessAsync overloads and private helper, replace all var with explicit types
Add ProcessDocument activity name to DiagnosticsConstants.cs
Update all 6 DataIngestor.cs files (1 source template + 5 verified snapshots) to pass reader to ProcessAsync instead of constructor
Update IngestionPipelineTests.cs: update pipeline constructions & ProcessAsync calls, add test for document-based ProcessAsync without reader, replace var with explicit types
Update README.md with pipeline creation and reader connection example
Build and run Microsoft.Extensions.DataIngestion.Tests to verify (124 passed, 11 skipped × 3 TFMs)
Build and run Microsoft.Extensions.AI.Templates.IntegrationTests snapshot tests to verify (5 passed)
Update OpenTelemetry packages in eng/packages/ProjectTemplates.props to fix NU1902 vulnerability warnings

…ngestionDocument), update file-system methods to take reader param - Remove IngestionDocumentReader from constructor and field - Add new ProcessAsync(IngestionDocument) overload returning Task<IngestionDocument> - Add IngestionDocumentReader reader parameter to file-system ProcessAsync methods - Add ProcessDocument activity constant to DiagnosticsConstants - Replace var with explicit types in pipeline and tests - Update all DataIngestor.cs template/snapshot files - Add CanProcessDocumentWithoutReader test - Update README.md with pipeline usage examples Agent-Logs-Url: https://github.com/dotnet/extensions/sessions/54f5e258-8414-40a0-b8b5-953677d1cce2 Co-authored-by: adamsitnik <6011991+adamsitnik@users.noreply.github.com>

Agent-Logs-Url: https://github.com/dotnet/extensions/sessions/54f5e258-8414-40a0-b8b5-953677d1cce2 Co-authored-by: adamsitnik <6011991+adamsitnik@users.noreply.github.com>

adamsitnik

@copilot The Microsoft.Extensions.AI.Templates.Tests.AIChatWebExecutionTests tests are failing, fix it:

Working Directory: /mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost
Local Shipping Path: /mnt/vss/_work/1/s/artifacts/packages/Release/Shipping
NuGet Packages Path: /mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/packages


Command failed with non-zero exit code: 1




Standard Output:
Determining projects to restore...
/mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults.csproj : error NU1902: Warning As Error: Package 'OpenTelemetry.Exporter.OpenTelemetryProtocol' 1.14.0 has a known moderate severity vulnerability, https://github.com/advisories/GHSA-mr8r-92fq-pj8p [/mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost.csproj]
/mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults.csproj : error NU1902: Warning As Error: Package 'OpenTelemetry.Exporter.OpenTelemetryProtocol' 1.14.0 has a known moderate severity vulnerability, https://github.com/advisories/GHSA-q834-8qmm-v933 [/mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost.csproj]
Failed to restore /mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults/AIChatWeb_gh_aais_A_T_ID_F_net9.ServiceDefaults.csproj (in 8.11 sec).
Restored /mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.Web/AIChatWeb_gh_aais_A_T_ID_F_net9.Web.csproj (in 10.66 sec).
Restored /mnt/vss/_work/1/s/artifacts/ProjectTemplates/Microsoft.Extensions.AI.Templates/Sandbox/aichatweb/projects/AIChatWeb_gh_aais_A_T_ID_F_net9/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost/AIChatWeb_gh_aais_A_T_ID_F_net9.AppHost.csproj (in 13.84 sec).

… template tests Update OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.14.0 to 1.15.3 to fix GHSA-mr8r-92fq-pj8p and GHSA-q834-8qmm-v933 vulnerabilities. Also update companion OTel packages to their latest versions. Agent-Logs-Url: https://github.com/dotnet/extensions/sessions/c6522938-3c86-4211-a016-ca79ad9b591e Co-authored-by: adamsitnik <6011991+adamsitnik@users.noreply.github.com>

Copilot · 2026-04-26T17:03:37Z

@copilot The Microsoft.Extensions.AI.Templates.Tests.AIChatWebExecutionTests tests are failing, fix it:

Fixed in 6258a67. Updated OpenTelemetry packages in eng/packages/ProjectTemplates.props to resolve the NU1902 vulnerability warnings:

OpenTelemetry.Exporter.OpenTelemetryProtocol: 1.14.0 → 1.15.3 (fixes GHSA-mr8r-92fq-pj8p and GHSA-q834-8qmm-v933)
OpenTelemetry.Extensions.Hosting: 1.14.0 → 1.15.3
OpenTelemetry.Instrumentation.AspNetCore: 1.14.0 → 1.15.2
OpenTelemetry.Instrumentation.Http: 1.14.0 → 1.15.1
OpenTelemetry.Instrumentation.Runtime: 1.14.0 → 1.15.1

adamsitnik

@copilot please sync this branch with latest changes from the target branch (data-ingestion-preview2), solve all the merge conflicts. Make sure the tests are passing before pushing the changes.

…pipeline

Copilot · 2026-06-25T16:16:54Z

@copilot please sync this branch with latest changes from the target branch (data-ingestion-preview2), solve all the merge conflicts. Make sure the tests are passing before pushing the changes.

Done in 991c14a. Merged latest data-ingestion-preview2 into this branch, resolved all 8 conflicts (adapted to non-generic IngestionPipeline, CommunityToolkit.VectorData.InMemory namespace, updated tests). All tests pass: 130 passed × 3 TFMs for DataIngestion tests, 5 passed for template snapshot tests.

adamsitnik

@copilot please address my feedback

…xamples

Copilot · 2026-06-25T16:48:46Z

@copilot please address my feedback

Fixed both IngestionPipeline<string> → IngestionPipeline in the README examples.

dotnet-comment-bot · 2026-06-25T18:44:38Z

‼️ Found issues ‼️

Project	Coverage Type	Expected	Actual
Microsoft.Extensions.Diagnostics.Testing	Line	99	98.65 🔻
Microsoft.Extensions.Telemetry	Line	93	91.95 🔻
Microsoft.Extensions.AI	Line	89	88.59 🔻
Microsoft.Extensions.AI	Branch	89	88.57 🔻
Microsoft.Extensions.AI.OpenAI	Line	75	62.89 🔻
Microsoft.Extensions.AI.OpenAI	Branch	75	50.41 🔻
Microsoft.Extensions.DataIngestion.Abstractions	Branch	75	72.73 🔻
Microsoft.Extensions.DataIngestion.MarkItDown	Line	75	4.46 🔻
Microsoft.Extensions.DataIngestion.MarkItDown	Branch	75	0 🔻
Microsoft.Extensions.Diagnostics.ResourceMonitoring	Line	99	96.03 🔻
Microsoft.Extensions.Diagnostics.ResourceMonitoring	Branch	99	94.39 🔻
Microsoft.Extensions.Diagnostics.ResourceMonitoring.Kubernetes	Line	99	97.73 🔻
Microsoft.Extensions.ServiceDiscovery.Dns	Line	75	69.93 🔻
Microsoft.Extensions.ServiceDiscovery.Abstractions	Line	75	42.11 🔻
Microsoft.Extensions.ServiceDiscovery.Abstractions	Branch	75	42.86 🔻
Microsoft.Extensions.ServiceDiscovery	Line	75	67.36 🔻
Microsoft.Extensions.ServiceDiscovery	Branch	75	71.43 🔻
Microsoft.Extensions.ServiceDiscovery.Yarp	Line	75	73.85 🔻
Microsoft.Extensions.ServiceDiscovery.Yarp	Branch	75	70 🔻
Microsoft.Extensions.VectorData.Abstractions	Line	75	37.39 🔻
Microsoft.Extensions.VectorData.Abstractions	Branch	75	22.73 🔻

🎉 Good job! The coverage increased 🎉
Update MinCodeCoverage in the project files.

Project	Expected	Actual
Microsoft.Gen.BuildMetadata	97	100
Microsoft.Gen.MetadataExtractor	57	73
Microsoft.Gen.MetricsReports	67	69
Microsoft.Extensions.AI.Abstractions	82	85
Microsoft.Extensions.AI.Evaluation.NLP	0	78
Microsoft.Extensions.Caching.Hybrid	82	84
Microsoft.Extensions.DataIngestion	75	87
Microsoft.Extensions.DataIngestion.Markdig	75	90
Microsoft.Extensions.Http.Resilience	97	100

Full code coverage report: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1481649&view=codecoverage-tab

adamsitnik

@copilot fix following build errors:

D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(13,1): error SA1210: Using directives should be ordered alphabetically by the namespaces (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1210.md) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net10.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(342,47): error xUnit2031: Do not use a Where clause to filter before calling Assert.Single. Use the overload of Assert.Single that accepts a filtering function. (https://xunit.net/xunit.analyzers/rules/xUnit2031) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net10.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(13,1): error SA1210: Using directives should be ordered alphabetically by the namespaces (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1210.md) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net8.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(342,47): error xUnit2031: Do not use a Where clause to filter before calling Assert.Single. Use the overload of Assert.Single that accepts a filtering function. (https://xunit.net/xunit.analyzers/rules/xUnit2031) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net8.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(13,1): error SA1210: Using directives should be ordered alphabetically by the namespaces (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1210.md) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net9.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(342,47): error xUnit2031: Do not use a Where clause to filter before calling Assert.Single. Use the overload of Assert.Single that accepts a filtering function. (https://xunit.net/xunit.analyzers/rules/xUnit2031) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net9.0]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(13,1): error SA1210: Using directives should be ordered alphabetically by the namespaces (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1210.md) [D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\Microsoft.Extensions.DataIngestion.Tests.csproj::TargetFramework=net462]
D:\a\_work\1\s\test\Libraries\Microsoft.Extensions.DataIngestion.Tests\IngestionPipelineTests.cs(342,47): error xUnit2031: Do not use a Where clause to filter before calling Assert.Single. Use the overload of Assert.Single that accepts a filtering function. (https://xunit.net/xunit.analyzers/rules/xUnit2031) [D:\a\_work\1\s\test\Libraries\Microsoft.Extension

… in tests

Copilot · 2026-06-25T18:50:45Z

@copilot fix following build errors:

Fixed both errors: sorted using directives alphabetically (moved CommunityToolkit.VectorData.InMemory before Microsoft.*) and replaced Assert.Single(ingestionResults.Where(...)) with Assert.Single(ingestionResults, ...) predicate overload.

adamsitnik

@copilot address my feedback

adamsitnik · 2026-06-25T19:00:39Z

        {
            Assert.NotEqual(Guid.Empty, retrieved[i].Key);
            Assert.NotEmpty(retrieved[i].SerializedContent!);
-            Assert.NotNull(retrieved[i].Content);


@copilot why this assert got deleted?

It was accidentally removed during the merge conflict resolution. Restored it.

adamsitnik · 2026-06-25T19:01:17Z

+        IngestionDocumentReader reader = CreateReader();
+        using IngestionPipeline pipeline = new(CreateChunker(), vectorStoreWriter);
+        List<IngestionResult> ingestionResults = await pipeline.ProcessAsync(reader, _sampleFiles).ToListAsync();


just inline it

Suggested change

IngestionDocumentReader reader = CreateReader();

using IngestionPipeline pipeline = new(CreateChunker(), vectorStoreWriter);

List<IngestionResult> ingestionResults = await pipeline.ProcessAsync(reader, _sampleFiles).ToListAsync();

using IngestionPipeline pipeline = new(CreateChunker(), vectorStoreWriter);

List<IngestionResult> ingestionResults = await pipeline.ProcessAsync(CreateReader(), _sampleFiles).ToListAsync();

Done - inlined the reader variable.

adamsitnik · 2026-06-25T19:01:53Z

        {
            Assert.NotEqual(Guid.Empty, retrieved[i].Key);
            Assert.NotEmpty(retrieved[i].SerializedContent!);
-            Assert.NotNull(retrieved[i].Content);


Why this assert got deleted?

Same as above - accidentally removed during merge. Restored.

…r review feedback

Copilot AI and others added 2 commits April 26, 2026 06:12

Fix IngestionDocumentHeader constructor usage in test and README

dd77217

Agent-Logs-Url: https://github.com/dotnet/extensions/sessions/54f5e258-8414-40a0-b8b5-953677d1cce2 Co-authored-by: adamsitnik <6011991+adamsitnik@users.noreply.github.com>

Copilot AI assigned Copilot and adamsitnik Apr 26, 2026

Copilot created this pull request from a session on behalf of adamsitnik April 26, 2026 06:37 View session

Copilot finished work on behalf of adamsitnik April 26, 2026 06:37

Copilot AI requested a review from adamsitnik April 26, 2026 06:37

github-actions Bot added the area-ai-templates Microsoft.Extensions.AI.Templates label Apr 26, 2026

adamsitnik added area-data-ingestion and removed area-ai-templates Microsoft.Extensions.AI.Templates labels Apr 26, 2026

adamsitnik reviewed Apr 26, 2026

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Copilot started work on behalf of adamsitnik April 26, 2026 16:56 View session

Copilot AI requested a review from adamsitnik April 26, 2026 17:04

Copilot finished work on behalf of adamsitnik April 26, 2026 17:04

adamsitnik reviewed Jun 25, 2026

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Copilot started work on behalf of adamsitnik June 25, 2026 15:59 View session

Copilot AI added 2 commits June 25, 2026 16:02

Merge branch 'data-ingestion-preview2' into copilot/extend-ingestion-…

5fd987a

…pipeline

Adapt PR changes to non-generic IngestionPipeline from target branch

991c14a

Copilot finished work on behalf of adamsitnik June 25, 2026 16:17

Copilot AI requested a review from adamsitnik June 25, 2026 16:17

adamsitnik reviewed Jun 25, 2026

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Comment thread src/Libraries/Microsoft.Extensions.DataIngestion/README.md Outdated

Comment thread src/Libraries/Microsoft.Extensions.DataIngestion/README.md Outdated

Copilot started work on behalf of adamsitnik June 25, 2026 16:48 View session

Fix README.md: remove generic type parameter from IngestionPipeline e…

691fa74

…xamples

Copilot finished work on behalf of adamsitnik June 25, 2026 16:49

Copilot AI requested a review from adamsitnik June 25, 2026 16:49

adamsitnik reviewed Jun 25, 2026

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Copilot started work on behalf of adamsitnik June 25, 2026 18:49 View session

Fix SA1210 (using order) and xUnit2031 (Assert.Single with predicate)…

a9b7f16

… in tests

Copilot AI requested a review from adamsitnik June 25, 2026 18:51

Copilot finished work on behalf of adamsitnik June 25, 2026 18:51

adamsitnik reviewed Jun 25, 2026

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Copilot started work on behalf of adamsitnik June 25, 2026 19:03 View session

Restore Assert.NotNull(Content) asserts and inline reader variable pe…

9d81ab6

…r review feedback

Copilot finished work on behalf of adamsitnik June 25, 2026 19:05

Copilot AI requested a review from adamsitnik June 25, 2026 19:05

luisquintanilla mentioned this pull request Jun 25, 2026

[API Proposal]: IOcrClient — an OCR / document-extraction capability for Microsoft.Extensions.AI #7587

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Copilot AI commented Apr 26, 2026 •

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