github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/cmd/cli/cli_test.go (about)

     1  // Copyright 2021 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package cli
    15  
    16  import (
    17  	"os"
    18  	"testing"
    19  
    20  	"github.com/spf13/cobra"
    21  	"github.com/stretchr/testify/require"
    22  )
    23  
    24  func TestCliCmdNoArgs(t *testing.T) {
    25  	t.Parallel()
    26  
    27  	cmd := NewCmdCli()
    28  	// Only for test.
    29  	cmd.RunE = func(_ *cobra.Command, _ []string) error {
    30  		return nil
    31  	}
    32  	// There is a DBC space before the flag pd.
    33  	flags := []string{"--log-level=info", "　--pd="}
    34  	os.Args = flags
    35  	err := cmd.Execute()
    36  	require.NotNil(t, err)
    37  	require.Regexp(t, ".*unknown command.*u3000--pd.*for.*cli.*", err)
    38  
    39  	// There is an unknown args "aa".
    40  	flags = []string{"--log-level=info", "aa"}
    41  	os.Args = flags
    42  	err = cmd.Execute()
    43  	require.NotNil(t, err)
    44  	require.Regexp(t, ".*unknown command.*aa.*for.*cli.*", err)
    45  }