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YAML Configuration

The following is a complete reference of the YAML-config. Some entries represent default values, while others are just examples.

# Timeout per test run in milliseconds. DEPRECATED, use CLI flag instead.
timeout: 3000
# Enable debug mode with additional diagnostic output.
debugEnabled: false
# Include mutants on lines not covered by tests. DEPRECATED, use CLI flag instead.
includeNotCovered: false
# Skip mutant execution, only discover and report mutants. DEPRECATED, use CLI flag instead.
dryRunEnabled: false
# Suppress informational messages (enabled by default).
quiet: true
# Suppress all output except errors.
silent: false
# Turn warnings into errors.
strict: false
# Capture stdout/stderr from the original test run (enabled by default). DEPRECATED, use CLI flag instead.
captureTestOutput: true
# Capture stdout/stderr from mutant test runs (enabled by default). DEPRECATED, use CLI flag instead.
captureMutantOutput: true
# Mutator IDs or groups to enable (e.g. cxx_add_to_sub, cxx_logical).
mutators: []
# Mutator IDs or groups to exclude (e.g. cxx_add_to_sub, cxx_logical).
ignoreMutators: []
# Path to compilation database (compile_commands.json).
compilationDatabasePath: ""
# Additional compiler flags for junk detection.
compilerFlags: []
# Disable junk detection (AST-based mutant validation).
junkDetectionDisabled: false
# File path regex patterns to include in mutation testing.
includePaths: []
# File path regex patterns to exclude from mutation testing.
excludePaths: []
# Git ref to diff against for incremental mutation testing.
gitDiffRef: ""
# Root directory of the git project.
gitProjectRoot: ""
# Parallelization settings
parallelization:
  # Number of worker threads for test discovery.
  workers: $nproc
  # Number of worker threads for mutant execution.
  executionWorkers: $nproc
# Advanced debug options for diagnostic output.
debug:
  # Print LLVM IR.
  printIR: false
  # Print LLVM IR before mutation.
  printIRBefore: false
  # Print LLVM IR after mutation.
  printIRAfter: false
  # Print LLVM IR to a file.
  printIRToFile: false
  # Trace mutant discovery and execution.
  traceMutants: false
  # Enable coverage debug output.
  coverage: false
  # Enable git diff debug output.
  gitDiff: false
  # Enable filter debug output.
  filters: false
  # Enable slow IR verification.
  slowIRVerification: false