Exposes publicly override of AadIssuerValidator factory taking a delegate

[jmprieur]

Exposes publicly override of AadIssuerValidator factory taking a delegate

Fixes #3245

[Copilot]

Pull Request Overview

This PR exposes the AadIssuerValidator factory method publicly to enable caching functionality for AadIssuerValidator instances. Key changes include:

• Changing the access modifier of GetAadIssuerValidator from internal to public.
• Adding tests to validate that the factory method handles null/empty authorities and enforces caching when a null provider is used.
• Updating the public API specification to include the new public factory method.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
test/Microsoft.IdentityModel.Validators.Tests/AadIssuerValidatorTests.cs	Added tests to validate input arguments and caching behavior of the AadIssuerValidator factory method.
src/Microsoft.IdentityModel.Validators/PublicAPI.Unshipped.txt	Updated to expose the new public factory method in the public API surface.
src/Microsoft.IdentityModel.Validators/AadIssuerValidator/AadIssuerValidator.cs	Changed the GetAadIssuerValidator method from internal to public.

[github-actions]

Summary

Summary

Generated on:	5/21/2025 - 10:27:34 PM
Coverage date:	5/21/2025 - 10:16:38 PM - 5/21/2025 - 10:26:53 PM
Parser:	MultiReport (60x Cobertura)
Assemblies:	1
Classes:	7
Files:	2
Line coverage:	80.3% (620 of 772)
Covered lines:	620
Uncovered lines:	152
Coverable lines:	772
Total lines:	483
Branch coverage:	67.8% (228 of 336)
Covered branches:	228
Total branches:	336
Method coverage:	Feature is only available for sponsors

Coverage

Microsoft.IdentityModel.JsonWebTokens - 80.3%

Name	Line	Branch
Microsoft.IdentityModel.JsonWebTokens	80.3%	67.8%
Microsoft.IdentityModel.JsonWebTokens.JwtTokenUtilities	100%
System.Text.RegularExpressions.Generated	80.3%	67.8%
System.Text.RegularExpressions.Generated	80.3%	67.8%
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System.Text.RegularExpressions.Generated.<RegexGenerator_g>F334844C618E00D3 CEC5D3FE0D00CF0141BBEE98635313BB2CB8D3921464CE05A__CreateJweRegex_1	79.2%	68%
System.Text.RegularExpressions.Generated.<RegexGenerator_g>F334844C618E00D3 CEC5D3FE0D00CF0141BBEE98635313BB2CB8D3921464CE05A__CreateJwsRegex_0	81.4%	67.6%

[github-actions]

Summary

Summary

Generated on:	5/22/2025 - 12:56:27 AM
Coverage date:	5/22/2025 - 12:46:00 AM - 5/22/2025 - 12:55:49 AM
Parser:	MultiReport (60x Cobertura)
Assemblies:	1
Classes:	7
Files:	2
Line coverage:	80.3% (620 of 772)
Covered lines:	620
Uncovered lines:	152
Coverable lines:	772
Total lines:	483
Branch coverage:	67.8% (228 of 336)
Covered branches:	228
Total branches:	336
Method coverage:	Feature is only available for sponsors

Coverage

Microsoft.IdentityModel.JsonWebTokens - 80.3%

Name	Line	Branch
Microsoft.IdentityModel.JsonWebTokens	80.3%	67.8%
Microsoft.IdentityModel.JsonWebTokens.JwtTokenUtilities	100%
System.Text.RegularExpressions.Generated	80.3%	67.8%
System.Text.RegularExpressions.Generated	80.3%	67.8%
System.Text.RegularExpressions.Generated.<RegexGenerator_g>F12A1AEDDDFE32BA DF4DBFF323AF1BCB48B9F9721B7CD3E05F5E034CF225E3DF8__CreateJweRegex_1	79.2%	68%
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System.Text.RegularExpressions.Generated.<RegexGenerator_g>F334844C618E00D3 CEC5D3FE0D00CF0141BBEE98635313BB2CB8D3921464CE05A__CreateJweRegex_1	79.2%	68%
System.Text.RegularExpressions.Generated.<RegexGenerator_g>F334844C618E00D3 CEC5D3FE0D00CF0141BBEE98635313BB2CB8D3921464CE05A__CreateJwsRegex_0	81.4%	67.6%