github.com/minio/mc@v0.0.0-20240503112107-b471de8d1882/cmd/cli_test.go (about)

     1  // Copyright (c) 2015-2022 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package cmd
    19  
    20  import (
    21  	"testing"
    22  
    23  	"github.com/minio/cli"
    24  )
    25  
    26  func TestCLIOnUsageError(t *testing.T) {
    27  	var checkOnUsageError func(cli.Command, string)
    28  	checkOnUsageError = func(cmd cli.Command, parentCmd string) {
    29  		if cmd.Subcommands != nil {
    30  			for _, subCmd := range cmd.Subcommands {
    31  				if cmd.Hidden {
    32  					continue
    33  				}
    34  				checkOnUsageError(subCmd, parentCmd+" "+cmd.Name)
    35  			}
    36  			return
    37  		}
    38  		if !cmd.Hidden && cmd.OnUsageError == nil {
    39  			t.Errorf("On usage error for `%s` not found", parentCmd+" "+cmd.Name)
    40  		}
    41  	}
    42  
    43  	for _, cmd := range appCmds {
    44  		if cmd.Hidden {
    45  			continue
    46  		}
    47  		checkOnUsageError(cmd, "")
    48  	}
    49  }