Skip to content

Instantly share code, notes, and snippets.

@garfieldnate
Created January 12, 2022 17:00
Show Gist options
  • Save garfieldnate/26121c5a2d3e78428a0cb3d5af9b955e to your computer and use it in GitHub Desktop.
Save garfieldnate/26121c5a2d3e78428a0cb3d5af9b955e to your computer and use it in GitHub Desktop.
assert command output in Bash
#!/bin/bash
pass() {
message=$1;
# bold green
echo -e "$(tput setaf 2)$(tput bold)$message$(tput sgr 0)"
}
fail() {
message=$1;
# bold red
echo -e "$(tput setaf 1)$(tput bold)$message$(tput sgr 0)"
}
# assert that output of cmd contains search_string
# example:
# >assert_outputs "docker run hello-world" 'Hello from Docker!' 'Docker installed successfully' 'Docker install failed'
assert_outputs() {
cmd=$1;
search_string=$2;
success_msg=$3;
fail_msg=$4;
if $cmd | grep -q "$search_string";
then
pass "$success_msg";
else
fail "$fail_msg";
exit 1;
fi
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment