@@ -748,3 +748,47 @@ func TestSetBoolWithMultipleArguments(t *testing.T) {
748748 require .Error (t , err )
749749 require .Contains (t , string (stderr ), "Can't set multiple values in key library.enable_unsafe_install" )
750750}
751+ 752+ func TestDelete (t * testing.T ) {
753+ env , cli := integrationtest .CreateArduinoCLIWithEnvironment (t )
754+ defer env .CleanUp ()
755+ 756+ // Create a config file
757+ _ , _ , err := cli .Run ("config" , "init" , "--dest-dir" , "." )
758+ require .NoError (t , err )
759+ 760+ // Verifies default state
761+ stdout , _ , err := cli .Run ("config" , "dump" , "--format" , "json" )
762+ require .NoError (t , err )
763+ requirejson .Query (t , stdout , ".library | .enable_unsafe_install" , "false" )
764+ 765+ // Delete config key
766+ _ , _ , err = cli .Run ("config" , "delete" , "library.enable_unsafe_install" )
767+ require .NoError (t , err )
768+ 769+ // Verifies value is not found, we read directly from file instead of using
770+ // the dump command since that would still print the deleted value if it has
771+ // a default
772+ configFile := cli .WorkingDir ().Join ("arduino-cli.yaml" )
773+ configLines , err := configFile .ReadFileAsLines ()
774+ require .NoError (t , err )
775+ require .NotContains (t , configLines , "enable_unsafe_install" )
776+ 777+ // Verifies default state
778+ stdout , _ , err = cli .Run ("config" , "dump" , "--format" , "json" )
779+ require .NoError (t , err )
780+ requirejson .Query (t , stdout , ".board_manager | .additional_urls" , "[]" )
781+ 782+ // Delete config key and sub keys
783+ _ , _ , err = cli .Run ("config" , "delete" , "board_manager" )
784+ require .NoError (t , err )
785+ 786+ // Verifies value is not found, we read directly from file instead of using
787+ // the dump command since that would still print the deleted value if it has
788+ // a default
789+ configFile = cli .WorkingDir ().Join ("arduino-cli.yaml" )
790+ configLines , err = configFile .ReadFileAsLines ()
791+ require .NoError (t , err )
792+ require .NotContains (t , configLines , "additional_urls" )
793+ require .NotContains (t , configLines , "board_manager" )
794+ }
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