| Option | Description |
-V, --version | output the version number |
-A, --async-only | force all tests to take a callback (async) or return a promise |
-c, --colors | force enabling of colors |
-C, --no-colors | force disabling of colors |
-G, --growl | enable growl notification support |
-O, --reporter-options <k=v,k2=v2,...> | reporter-specific options |
-R, --reporter <name> | specify the reporter to use (default: “spec”) |
-S, --sort | sort test files |
-b, --bail | bail after first test failure |
-d, --debug | enable node’s debugger, a synonym for node –debug |
-g, --grep <pattern> | only run tests matching <pattern> |
-f, --fgrep <string> | only run tests containing <string> |
-gc, --expose-gc | expose gc extension |
-i, --invert | inverts --grep and --fgrep matches |
-r, --require <name> | require the given module (default: []) |
-s, --slow <ms> | specify “slow” test threshold in milliseconds (default: 75) |
-t, --timeout <ms> | specify the test timeout threshold in milliseconds (default: 2000) |
-u, --ui <name> | specify user-interface (bdd|tdd|qunit|exports) (default: “bdd”) |
-w, --watch | watch files in the current working directory for changes |
--check-leaks | check for global variable leaks |
--full-trace | display the full stack trace |
--compilers <ext>:<module>,... | use the given module(s) to compile files (default: []) |
--debug-brk | enable node’s debugger breaking on the first line |
--globals <names> | allow the given comma-delimited global [names] (default: []) |
--es_staging | enable all staged features |
--harmony<_classes,_generators,...> | all node --harmony* flags are available |
--preserve-symlinks | Instructs the module loader to preserve symbolic links when resolving and caching modules |
--icu-data-dir | include ICU data |
--inline-diffs | display actual/expected differences inline within each string |
--no-diff | do not show a diff on failure |
--inspect | activate devtools in chrome |
--inspect-brk | activate devtools in chrome and break on the first line |
--interfaces | output provided interfaces and exit |
--no-deprecation | silence deprecation warnings |
--exit force | shutdown of the event loop after test run: mocha will call process.exit |
--no-timeouts | disables timeouts, given implicitly with –debug/–inspect |
--no-warnings | silence all node process warnings |
--opts <path> | specify opts path (default: “test/mocha.opts”) |
--perf-basic-prof | enable perf linux profiler (basic support) |
--napi-modules | enable experimental NAPI modules |
--prof | log statistical profiling information |
--log-timer-events | Time events including external callbacks |
--recursive | include sub directories |
--reporters | output provided reporters and exit |
--retries <times> | specify number of times to retry a failed test case (default: 0) |
--throw-deprecation | throw an exception anytime a deprecated function is used |
--trace | trace function calls |
--trace-deprecation | show stack traces on deprecations |
--trace-warnings | show stack traces on node process warnings |
--use_strict | enforce strict mode |
--watch-extensions <ext>,... | specify extensions to monitor with –watch (default: [“js”]) |
--delay | wait for async suite definition |
--allow-uncaught | enable uncaught errors to propagate |
--forbid-only | causes test marked with only to fail the suite |
--forbid-pending | causes pending tests and test marked with skip to fail the suite |
--file <file> | adds file be loaded prior to suite execution (default: []) |
--exclude <file> | adds file or glob pattern to ignore (default: []) |
-h, --help | output usage information |