SYNOPSIS

heckle class_name [method_name]

DESCRIPTION

`heckle' is a mutation tester. It modifies your code and runs your tests to make sure they fail. The idea is that if code can be changed and your tests don't notice, either that code isn't being covered or it doesn't do anything.

-v, --verbose

Loudly explain heckle run

-V, --version

Prints Heckle's version number

-t, --tests TEST_PATTERN

Location of tests (glob)

-F, --force

Ignore initial test failures

Best used with --focus

--assignments

Only mutate assignments

-b, --branches

Only mutate branches

-f, --focus

Apply the eye of sauron

-T, --timeout SECONDS

The maximum time for a test run in seconds

Used to catch infinite loops

-n, --nodes NODES

Nodes to mutate

Possible values: call, cvasgn ,dasgn, dasgn_curr, false, gasgn, iasgn, if, iter, lasgn, lit, str, true, until, while

-x, --exclude-nodes NODES

Nodes to exclude

-h, --help

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