github.com/HashDataInc/packer@v1.3.2/helper/flag-kv/flag_test.go (about)

     1  package kvflag
     2  
     3  import (
     4  	"flag"
     5  	"reflect"
     6  	"testing"
     7  )
     8  
     9  func TestFlag_impl(t *testing.T) {
    10  	var _ flag.Value = new(Flag)
    11  }
    12  
    13  func TestFlag(t *testing.T) {
    14  	cases := []struct {
    15  		Input  string
    16  		Output map[string]string
    17  		Error  bool
    18  	}{
    19  		{
    20  			"key=value",
    21  			map[string]string{"key": "value"},
    22  			false,
    23  		},
    24  
    25  		{
    26  			"key=",
    27  			map[string]string{"key": ""},
    28  			false,
    29  		},
    30  
    31  		{
    32  			"key=foo=bar",
    33  			map[string]string{"key": "foo=bar"},
    34  			false,
    35  		},
    36  
    37  		{
    38  			"key",
    39  			nil,
    40  			true,
    41  		},
    42  	}
    43  
    44  	for _, tc := range cases {
    45  		f := new(Flag)
    46  		err := f.Set(tc.Input)
    47  		if (err != nil) != tc.Error {
    48  			t.Fatalf("bad error. Input: %#v", tc.Input)
    49  		}
    50  
    51  		actual := map[string]string(*f)
    52  		if !reflect.DeepEqual(actual, tc.Output) {
    53  			t.Fatalf("bad: %#v", actual)
    54  		}
    55  	}
    56  }