Module runner 

Parallel mutation testing runner.

This module provides high-performance parallel execution of mutation tests. Each mutant is tested in an isolated temporary workspace to enable concurrent execution.

Structs

MutantTestResult

Result of testing a single mutant.

MutationBatchResult

Result of a parallel mutation batch.

SharedMutationState

Tracks progress and adaptive span skipping across parallel workers.

Functions

apply_mutation 🔒

Apply a mutation to a source file.

compile_and_test 🔒

Compile the project and run tests, returning true if any test failed (mutant killed).

compile_and_test_inner 🔒

rebase_project_path 🔒

run_compile_and_test_with_timeout 🔒

Run compile_and_test on a worker thread and wait at most budget for it to complete. Returns TimedOut on overrun and Invalid on infrastructure errors / panics.

run_mutations_parallel_with_progress

Run mutation tests in parallel with optional progress display.

temp_config_for_mutation 🔒

Build the config used inside a per-mutant temp workspace.

test_single_mutant_isolated 🔒

Test a single mutant in an isolated temporary workspace.