[[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 by default.
Changing dimensions is useful if the output would span multiple lines
and you don't want to handle those cases in a tests.

These settings 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]
----