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test: cover data mapper generator hosts#430

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JerrettDavis merged 1 commit into
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test/data-mapper-generator-coverage-413
May 29, 2026
Merged

test: cover data mapper generator hosts#430
JerrettDavis merged 1 commit into
mainfrom
test/data-mapper-generator-coverage-413

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Summary:

  • Harden DataMapperGenerator to emit containing partial wrappers for nested hosts.
  • Expand Data Mapper generator TinyBDD scenarios.
  • Cover defaults, malformed type arguments, missing and duplicate projections, invalid to-data and to-domain projection signatures, host type shapes, nested accessibility wrappers, and emitted-compilation success.

Coverage:

  • DataMapperGenerator: 99.1% locally.
  • PatternKit.Generators: 95.5% locally.

Validation:

  • Focused DataMapperGeneratorTests passed on net10.0.
  • Full PatternKit.Generators.Tests passed on net8.0, net9.0, and net10.0.
  • Generator coverage run completed with Cobertura plus ReportGenerator summary.
  • dotnet format PatternKit.slnx --verify-no-changes passed.

Closes part of #413.

Copilot AI review requested due to automatic review settings May 29, 2026 19:37
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⚠️ Deprecation Warning: The deny-licenses option is deprecated for possible removal in the next major release. For more information, see issue 997.

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

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Pull request overview

This PR expands coverage for the DataMapperGenerator by adding many more TinyBDD scenarios and updates the generator to emit containing partial wrappers for nested mapper hosts (aligning with the nested-wrapper behavior used by other generators in the repo).

Changes:

  • Update DataMapperGenerator source emission to wrap nested mapper hosts in their containing type declarations.
  • Expand DataMapperGeneratorTests to cover defaults/type-shapes, nested accessibility wrappers, malformed type arguments, projection missing/duplicates, invalid projection signatures, and emitted-compilation success checks.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File Description
test/PatternKit.Generators.Tests/DataMapperGeneratorTests.cs Adds broader TinyBDD scenario coverage and validates generated code can emit successfully.
src/PatternKit.Generators/DataMapping/DataMapperGenerator.cs Emits containing type wrappers for nested mapper hosts and refactors type declaration emission accordingly.

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Comment on lines +122 to +126
{
AppendTypeDeclaration(sb, containingType, indentLevel);
sb.AppendLine();
sb.AppendLine(new string(' ', indentLevel * 4) + "{");
indentLevel++;
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Test Results

    12 files      12 suites   9m 39s ⏱️
 3 661 tests  3 661 ✅ 0 💤 0 ❌
11 021 runs  11 021 ✅ 0 💤 0 ❌

Results for commit 934d9a1.

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Code Coverage

Summary
  Generated on: 05/29/2026 - 19:44:31
  Coverage date: 05/29/2026 - 19:42:15 - 05/29/2026 - 19:44:18
  Parser: MultiReport (12x Cobertura)
  Assemblies: 5
  Classes: 1616
  Files: 551
  Line coverage: 95.8%
  Covered lines: 42499
  Uncovered lines: 1852
  Coverable lines: 44351
  Total lines: 95676
  Branch coverage: 78.2% (12738 of 16273)
  Covered branches: 12738
  Total branches: 16273
  Method coverage: 96.4% (8368 of 8674)
  Full method coverage: 89.3% (7750 of 8674)
  Covered methods: 8368
  Fully covered methods: 7750
  Total methods: 8674

PatternKit.Core                                                                                                     95.4%
  PatternKit.Application.ActivityTracking.ActivityGateState                                                          100%
  PatternKit.Application.ActivityTracking.ActivityLease                                                              100%
  PatternKit.Application.ActivityTracking.ActivityRecord                                                             100%
  PatternKit.Application.ActivityTracking.ActivityTracker                                                            100%
  PatternKit.Application.Aggregates.AggregateCommandHandler<T1, T2, T3>                                              100%
  PatternKit.Application.Aggregates.AggregateCommandResult<T>                                                        100%
  PatternKit.Application.Aggregates.AggregateRoot<T1, T2>                                                            100%
  PatternKit.Application.AntiCorruption.AntiCorruptionLayer<T1, T2>                                                 90.4%
  PatternKit.Application.AntiCorruption.AntiCorruptionResult<T>                                                      100%
  PatternKit.Application.AuditLog.AuditLogAppendResult<T>                                                           85.7%
  PatternKit.Application.AuditLog.InMemoryAuditLog<T1, T2>                                                          95.4%
  PatternKit.Application.BoundedContexts.BoundedContextAdapter                                                       100%
  PatternKit.Application.BoundedContexts.BoundedContextCapability                                                   83.3%
  PatternKit.Application.BoundedContexts.BoundedContextDescriptor                                                   95.4%
  PatternKit.Application.ContextMaps.ContextMapDescriptor                                                           96.8%
  PatternKit.Application.ContextMaps.ContextMapRelationship                                                          100%
  PatternKit.Application.DataMapping.DataMapper<T1, T2>                                                             94.6%
  PatternKit.Application.DataMapping.DataMapperError                                                                  90%
  PatternKit.Application.DataMapping.DataMapperResult<T>                                                            84.6%
  PatternKit.Application.DomainEvents.DomainEventDispatcher<T>                                                      95.4%
  PatternKit.Application.DomainEvents.DomainEventDispatchResult                                                      100%
  PatternKit.Application.DomainServices.DomainServiceOperation<T1, T2>                                               100%
  PatternKit.Application.DomainServices.DomainServiceRegistry<T1, T2>                                                100%
  PatternKit.Application.EventSourcing.EventStoreAppendResult                                                        100%
  PatternKit.Application.EventSourcing.InMemoryEventStore<T1, T2>                                                   97.9%
  PatternKit.Application.EventSourcing.StoredEvent<T1, T2>                                                            80%
  PatternKit.Application.FeatureToggles.FeatureToggleDecision                                                       87.5%
  PatternKit.Application.FeatureToggles.FeatureToggleRule<T>                                                         100%
  PatternKit.Application.FeatureToggles.FeatureToggleSet<T>                                                         96.9%
  PatternKit.Application.IdentityMap.IdentityMap<T1, T2>                                                             100%
  PatternKit.Application.IdentityMap.IdentityMapResult<T>                                                           92.8%
  PatternKit.Application.MaterializedViews.MaterializedView<T1, T2>                                                 98.4%
  PatternKit.Application.Repository.InMemoryRepository<T1, T2>                                                      92.8%
  PatternKit.Application.Repository.RepositoryResult<T>                                                             93.3%
  PatternKit.Application.ServiceLayer.ServiceLayerOperation<T1, T2>                                                 96.7%
  PatternKit.Application.ServiceLayer.ServiceLayerResult<T>                                                         94.7%
  PatternKit.Application.ServiceLayer.ServiceLayerRule<T>                                                            100%
  PatternKit.Application.Specification.Specification<T>                                                              100%

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.10%. Comparing base (10995d8) to head (934d9a1).

Additional details and impacted files
@@            Coverage Diff             @@
##             main     #430      +/-   ##
==========================================
+ Coverage   90.25%   96.10%   +5.84%     
==========================================
  Files         551      551              
  Lines       44331    44351      +20     
  Branches     6379     6382       +3     
==========================================
+ Hits        40013    42623    +2610     
+ Misses       1862     1728     -134     
+ Partials     2456        0    -2456     
Flag Coverage Δ
unittests 96.10% <100.00%> (+5.84%) ⬆️

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🔍 PR Validation Results

Version: ``

✅ Validation Steps

  • Build solution
  • Run tests
  • Build documentation
  • Dry-run NuGet packaging

📊 Artifacts

Dry-run artifacts have been uploaded and will be available for 7 days.


This comment was automatically generated by the PR validation workflow.

@JerrettDavis JerrettDavis merged commit 40b9e43 into main May 29, 2026
13 checks passed
@JerrettDavis JerrettDavis deleted the test/data-mapper-generator-coverage-413 branch May 29, 2026 19:50
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2 participants