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Pull request overview
This pull request reintroduces tests for varargs (variadic parameter) flow in Go that were previously reverted. The tests are being committed as a preparatory step for future implementation with proper post-update nodes and use-use flow.
Changes:
- Added new test suite
VarArgsWithExternalFlowto test variadic parameters with external flow models - Enhanced existing test suites (
VarArgsWithFunctionModelsandVarArgs) with new test cases for variadic output parameters - Improved parameter naming in
ExternalValueFlow/completetest.qlfor better clarity
Reviewed changes
Copilot reviewed 10 out of 14 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithFunctionModels/vendor/github.com/nonexistent/test/stub.go | Added FunctionWithVarArgsOutParameter stub for testing variadic output parameters |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithFunctionModels/main.go | Added test cases for variadic out parameters and helper function for test infrastructure |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithFunctionModels/go.mod | Updated Go version to 1.25 |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithFunctionModels/Flows.ql | Added data flow model for FunctionWithVarArgsOutParameter |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/vendor/modules.txt | Added vendor modules file for new test suite |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/vendor/github.com/nonexistent/test/stub.go | Added stub functions for testing external flow with varargs |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/main.go | Added comprehensive test cases for varargs with external flow models |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/go.mod | Added go.mod for new test suite with Go 1.25 |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/Flows.ql | Added query configuration for external flow tests |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/Flows.ext.yml | Added external flow models for summary, source, and sink models |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgsWithExternalFlow/Flows.expected | Added expected test results file |
| go/ql/test/library-tests/semmle/go/dataflow/VarArgs/main.go | Added test cases for variadic out parameters |
| go/ql/test/library-tests/semmle/go/dataflow/ExternalValueFlow/completetest.ql | Improved parameter naming from src to source and sink |
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These tests were added in #18235 and #18275, but those two PRs were reverted in #18434. As a first step towards implementing them again now that we have proper post-update nodes and use-use flow I am committing these tests.