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fix: example-only changes do not break backward compatibility for anyOf nullable schema#2223

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joelrosario merged 3 commits intomainfrom
anyOf-nullable-bcc
Feb 23, 2026
Merged

fix: example-only changes do not break backward compatibility for anyOf nullable schema#2223
joelrosario merged 3 commits intomainfrom
anyOf-nullable-bcc

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@nashjain
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@nashjain nashjain commented Jan 30, 2026

What:

Specmatic should treat two OpenAPI specs that are semantically and structurally identical, except for example text changes as backward-incompatible.

Why:

anyOf nullable scheme breaks this. This fixes #2217

How:

enhance encompasses method to support AnyPattern and improve pattern matching logic

Checklist:

  • Unit Tests
  • Build passing locally
  • Sonar Quality Gate

Issue ID:
Closes: #2217

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github-actions bot commented Jan 30, 2026 •
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Summary

Line coverage Branch coverage

Assembly Line coverage Branch coverage
application 58.7% 51.8%
application/backwardCompatibility 77.2% 62.1%
application/mcp 84.3% 89.2%
application/validate 1.3% 0%
io/specmatic/conversions 93.1% 80.3%
io/specmatic/conversions/lenient 93.9% 79.4%
io/specmatic/core 79.9% 62.6%
io/specmatic/core/azure 0% 0%
io/specmatic/core/config 59.7% 34.3%
io/specmatic/core/config/v1 98% 25%
io/specmatic/core/config/v2 91.9% 77.5%
io/specmatic/core/config/v3 49.5% 24.6%
io/specmatic/core/config/v3/components 71.4% 40%
io/specmatic/core/config/v3/components/runOptions 73% 44.7%
io/specmatic/core/config/v3/components/services 58.6% 50%
io/specmatic/core/config/v3/components/settings 98.3% 50%
io/specmatic/core/config/v3/components/sources 80% 59%
io/specmatic/core/config/v3/specmatic 65.3% 25%
io/specmatic/core/discriminator 53.2% 43.1%
io/specmatic/core/examples/module 43.3% 24.5%
io/specmatic/core/examples/server 70.4% 35.7%
io/specmatic/core/filters 83.3% 75.9%
io/specmatic/core/fuzzy 95.8% 92.7%
io/specmatic/core/git 8.1% 12.8%
io/specmatic/core/jsonoperator 58.4% 68.6%
io/specmatic/core/jsonoperator/value 85.7% 75.9%
io/specmatic/core/lifecycle 0% ****
io/specmatic/core/log 72.7% 52.8%
io/specmatic/core/matchers 76.7% 62.6%
io/specmatic/core/overlay 85.7% 58.3%
io/specmatic/core/pattern 87.1% 76.3%
io/specmatic/core/pattern/config 100% ****
io/specmatic/core/pattern/regex 94% 86.5%
io/specmatic/core/report 97.7% 92.8%
io/specmatic/core/route/modules 95.8% 90%
io/specmatic/core/utilities 64.8% 56.5%
io/specmatic/core/value 81.4% 71.5%
io/specmatic/core/wsdl/parser 80.9% 41.4%
io/specmatic/core/wsdl/parser/message 88.6% 67.8%
io/specmatic/core/wsdl/parser/operation 100% 100%
io/specmatic/core/wsdl/payload 71.7% 33.3%
io/specmatic/junit5/support 0% ****
io/specmatic/loader 80.4% 50.8%
io/specmatic/mcp/constants 0% ****
io/specmatic/mcp/report 0% 0%
io/specmatic/mcp/test 0% 0%
io/specmatic/mcp/test/client 0% 0%
io/specmatic/mcp/test/client/model 0% 0%
io/specmatic/mock 60.9% 57.3%
io/specmatic/proxy 66.5% 48.6%
io/specmatic/specmatic/core 100% ****
io/specmatic/specmatic/executable 100% ****
io/specmatic/specmatic/mcp 0% ****
io/specmatic/stub 77.3% 68.8%
io/specmatic/stub/listener 96.8% 90%
io/specmatic/stub/report 98.1% 75%
io/specmatic/test 73.6% 61.7%
io/specmatic/test/asserts 92.1% 86.6%
io/specmatic/test/fixtures **** ****
io/specmatic/test/handlers 90.3% 63.5%
io/specmatic/test/listeners 84.2% 54%
io/specmatic/test/matchers **** ****
io/specmatic/test/reports 69% 36.4%
io/specmatic/test/reports/coverage 96.9% 53.9%
io/specmatic/test/reports/coverage/console 85.8% 81%
io/specmatic/test/reports/coverage/html 0% 0%
io/specmatic/test/reports/renderers 12.4% 14%
io/specmatic/test/utils 92.1% 82%

@joelrosario joelrosario merged commit 4387b45 into main Feb 23, 2026
3 checks passed
@joelrosario joelrosario deleted the anyOf-nullable-bcc branch February 23, 2026 13:08
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Successfully merging this pull request may close these issues.

False backward incompatibility reported for identical anyOf + null response schemas (OpenAPI 3.1)

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@nashjain @joelrosario