This container image is tested with bash_unit - a bash testing framework.
You can find installation instructions in their repository
(using homebrew: brew install bash_unit). To test:
$ sh/build-image.sh
<snip>
$ IMAGE_VERSION=8c43ec9 bash_unit test/*.sh
Running tests in test/basic.sh
Running test_connect_and_version_output ... SUCCESS ✓
Running test_verify_no_default_binlog ... SUCCESS ✓
Running tests in test/compose.sh
Running test_root_password_secret ... SUCCESS ✓
Running test_user_password_secret_override ... SUCCESS ✓
Running tests in test/config.sh
Running test_custom_charset_collation ... SUCCESS ✓
Running test_custom_database ... SUCCESS ✓
Running test_custom_dsn ... SUCCESS ✓
Running test_custom_root_password ... SUCCESS ✓
Running test_mount_custom_config ... SUCCESS ✓
Running test_no_innodb_ariadb_default ... SUCCESS ✓
Running tests in test/import.sh
Running test_import_compressed_sql ... SUCCESS ✓
Running test_import_sql ... SUCCESS ✓
Running test_run_shell_script ... SUCCESS ✓
Running tests in test/innodb.sh
Running test_default_innodb_no_password ... SUCCESS ✓
Running test_innodb_no_volume_issue_1 ... SUCCESS ✓
Overall result: SUCCESS ✓