@tapjs/spawn
A default tap plugin providing t.spawn()
.
This plugin is installed with tap by default. If you had
previously removed it, you can tap plugin add @tapjs/spawn
to
bring it back.
SpawnOpts
Options for t.spawn()
All of the normal Base and Extra options are also allowed.
cwd
- string, the current working directory of the subprocessenv
- Environment variables for the subprocess. Defaults to
process.env
stdio
- ChildProcess stdio
option. Standard output is
always set to 'pipe'
, because that's how it communicates test
results, and file descriptor 3 is set to an IPC channel for
sending timeout signals.command
(internal) - the command to run (set by first
argument to t.spawn)args
(internal) - arguments to subprocess (set by second
argument to t.spawn)exitCode
(internal) - Set on exit. The exit code of the
process, or null if terminated with a signal.signal
(internal) - Set on exit. Terminating signal, or null
of not terminated with a signal.t.spawn(cmd, [args], [options], [name]): PromiseWithSpawn
Arguments:
cmd
string
- The command to runargs
(optional) string | string[]
- Arguments to pass to
the command.options
(optional) SpawnOpts
objectSpawns a process when the test starts, parsing its standard output as a TAP stream.
This is how the tap CLI runs test programs.
Returns a Promise that resolves when the test is complete. The
subtest
member on the Promise is a
Spawn
instance.