[[using-shell-testing-settings]]
= Settings

ifndef::snippets[:snippets: ../../../../src/test/java/org/springframework/shell/docs]

Built in emulation uses terminal width 80 and height 24 on default.
Changing dimensions is useful if output would span into multiple
lines and you don't want to handle those cases in a tests.

These can be changed using properties `spring.shell.test.terminal-width`
or `spring.shell.test.terminal-height`.

[source, java, indent=0]
----
include::{snippets}/TestingSnippets.java[tag=testing-shelltest-dimensions-props]
----

`ShellTest` annotation have fields `terminalWidth` and `terminalHeight`
which can also be used to change dimensions.

[source, java, indent=0]
----
include::{snippets}/TestingSnippets.java[tag=testing-shelltest-dimensions-field]
----