github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/libraries/utils/argparser/parser_test.go (about)

     1  // Copyright 2020 Dolthub, 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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package argparser
    16  
    17  import (
    18  	"errors"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/assert"
    22  	"github.com/stretchr/testify/require"
    23  )
    24  
    25  func TestArgParser(t *testing.T) {
    26  	tests := []struct {
    27  		ap              *ArgParser
    28  		args            []string
    29  		expectedErr     error
    30  		expectedOptions map[string]string
    31  		expectedArgs    []string
    32  	}{
    33  		{
    34  			NewArgParserWithVariableArgs("test"),
    35  			[]string{},
    36  			nil,
    37  			map[string]string{},
    38  			[]string{},
    39  		},
    40  		{
    41  			NewArgParserWithVariableArgs("test"),
    42  			[]string{"arg1", "arg2"},
    43  			nil,
    44  			map[string]string{},
    45  			[]string{"arg1", "arg2"},
    46  		},
    47  		{
    48  			NewArgParserWithVariableArgs("test"),
    49  			[]string{"--unknown_flag"},
    50  			UnknownArgumentParam{"unknown_flag"},
    51  			map[string]string{},
    52  			[]string{},
    53  		},
    54  		{
    55  			NewArgParserWithVariableArgs("test"),
    56  			[]string{"--help"},
    57  			ErrHelp,
    58  			map[string]string{},
    59  			[]string{},
    60  		},
    61  		{
    62  			NewArgParserWithVariableArgs("test"),
    63  			[]string{"-h"},
    64  			ErrHelp,
    65  			map[string]string{},
    66  			[]string{},
    67  		},
    68  		{
    69  			NewArgParserWithVariableArgs("test"),
    70  			[]string{"help"},
    71  			nil,
    72  			map[string]string{},
    73  			[]string{"help"},
    74  		},
    75  		{
    76  			NewArgParserWithVariableArgs("test").SupportsString("param", "p", "", ""),
    77  			[]string{"--param", "value", "arg1"},
    78  			nil,
    79  			map[string]string{"param": "value"},
    80  			[]string{"arg1"},
    81  		},
    82  		{
    83  			NewArgParserWithVariableArgs("test").SupportsString("param", "p", "", ""),
    84  			[]string{"-pvalue"},
    85  			nil,
    86  			map[string]string{"param": "value"},
    87  			[]string{},
    88  		},
    89  		{
    90  			NewArgParserWithVariableArgs("test").SupportsString("param", "p", "", ""),
    91  			[]string{"--paramvalue"},
    92  			UnknownArgumentParam{"paramvalue"},
    93  			map[string]string{},
    94  			[]string{},
    95  		},
    96  		{
    97  			NewArgParserWithMaxArgs("test", 1),
    98  			[]string{"foo", "bar"},
    99  			errors.New("error: test has too many positional arguments. Expected at most 1, found 2: foo, bar"),
   100  			map[string]string{},
   101  			[]string{},
   102  		},
   103  	}
   104  
   105  	for _, test := range tests {
   106  		apr, err := test.ap.Parse(test.args)
   107  		require.Equal(t, test.expectedErr, err)
   108  
   109  		if err == nil {
   110  			assert.Equal(t, test.expectedOptions, apr.options)
   111  			assert.Equal(t, test.expectedArgs, apr.Args)
   112  		}
   113  	}
   114  }