diff options
Diffstat (limited to 'nixos/doc/manual/development/writing-nixos-tests.section.md')
| -rw-r--r-- | nixos/doc/manual/development/writing-nixos-tests.section.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nixos/doc/manual/development/writing-nixos-tests.section.md b/nixos/doc/manual/development/writing-nixos-tests.section.md index bf80099f1a27..a8c54aa66762 100644 --- a/nixos/doc/manual/development/writing-nixos-tests.section.md +++ b/nixos/doc/manual/development/writing-nixos-tests.section.md @@ -159,6 +159,10 @@ The following methods are available on machine objects: `execute` : Execute a shell command, returning a list `(status, stdout)`. + If the command detaches, it must close stdout, as `execute` will wait + for this to consume all output reliably. This can be achieved by + redirecting stdout to stderr `>&2`, to `/dev/console`, `/dev/null` or + a file. Takes an optional parameter `check_return` that defaults to `True`. Setting this parameter to `False` will not check for the return code and return -1 instead. This can be used for commands that shut down @@ -179,6 +183,8 @@ The following methods are available on machine objects: - Dereferencing unset variables fail the command. + - It will wait for stdout to be closed. See `execute`. + `fail` : Like `succeed`, but raising an exception if the command returns a zero |