8000 Add comprehensive tests for getImplicitOverlayContent function by Copilot · Pull Request #1900 · specmatic/specmatic · GitHub
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Add comprehensive tests for getImplicitOverlayContent function #1900

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Merged
merged 2 commits into from
Jun 7, 2025

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@Copilot Copilot AI commented Jun 7, 2025

Summary

This PR adds comprehensive test coverage for the static function getImplicitOverlayContent in OpenApiSpecification.kt, addressing the requirements specified in the issue.

Changes Made

Added 3 new test methods to OpenApiSpecificationTest.kt that cover all the critical scenarios for the getImplicitOverlayContent function:

Test Cases Added

  1. Non-existent OpenAPI file: Verifies the function returns an empty string when the target OpenAPI file path does not exist
  2. Missing overlay file: Verifies the function returns an empty string when the OpenAPI file exists but the corresponding overlay file (with _overlay.yaml suffix) does not exist
  3. Both files exist: Verifies the function returns the overlay file content when both the OpenAPI file and its corresponding overlay file exist

Implementation Details

  • JUnit5 Style: All tests follow JUnit5 conventions and match the existing test class patterns
  • Temporary Files: Uses @TempDir annotation to create temporary test files, avoiding filesystem pollution
  • Realistic Content: Tests use valid OpenAPI and overlay YAML content that reflects real-world usage
  • Proper Assertions: Uses AssertJ assertions consistent with the existing codebase

Function Under Test

The getImplicitOverlayContent function:

fun getImplicitOverlayContent(openApiFilePath: String): String {
    return File(openApiFilePath).let { openApiFile ->
        if (!openApiFile.isFile) {
            return@let ""
        }
        val overlayFile = openApiFile.canonicalFile.parentFile.resolve(openApiFile.nameWithoutExtension + "_overlay.yaml")
        if(overlayFile.isFile) return@let overlayFile.readText()
        return@let ""
    }
}

Test Results

All tests pass successfully:

Test getImplicitOverlayContent should return overlay content when both OpenAPI file and overlay file exist(File) PASSED
Test getImplicitOverlayContent should return empty string when OpenAPI file does not exist(File) PASSED  
Test getImplicitOverlayContent should return empty string when OpenAPI file exists but overlay file does not exist(File) PASSED

SUCCESS: Executed 3 tests in 4.6s

Validation

  • Tests compile without warnings
  • All test cases pass successfully
  • Code follows existing conventions and patterns
  • No filesystem pollution (uses temporary directories)
  • Covers all edge cases specified in the requirements

These tests ensure the getImplicitOverlayContent function behaves correctly in all scenarios and provide regression protection for future changes.


💡 You can make Copilot smarter by se 8000 tting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

Co-authored-by: joelrosario <63343+joelrosario@users.noreply.github.com>
@Copilot Copilot AI changed the title [WIP] Add tests for getImplicitOverlayContent in OpenApiSpecificationTest Add comprehensive tests for getImplicitOverlayContent function Jun 7, 2025
@Copilot Copilot AI requested a review from joelrosario June 7, 2025 09:59
Copilot finished work on behalf of joelrosario June 7, 2025 09:59
@joelrosario joelrosario marked this pull request as ready for review June 7, 2025 10:10
@joelrosario joelrosario merged commit 209d92f into main Jun 7, 2025
3 of 6 checks passed
@joelrosario joelrosario deleted the copilot/fix-70b0fd83-a587-4577-aa45-3888b8bd77e3 branch June 7, 2025 10:20
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