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tag_test.go
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package cli
import (
"reflect"
"testing"
"github.com/stretchr/testify/assert"
)
func TestTag(t *testing.T) {
type argT struct {
Cli string `cli:"cli"`
Pw string `pw:"pw"`
Edit string `edit:"edit"`
Usage string `cli:"usage" usage:"hello,usage"`
Dft string `cli:"dft" dft:"hello,dft"`
Name string `cli:"name" name:"hello-name"`
Prompt string `cli:"prompt" prompt:"hello,prompt"`
Parser string `cli:"parser" parser:"json"`
Sep string `cli:"sep" sep:":"`
Multi string `cli:"multi"
usage:"multi usage"
dft:"dft-value"`
Required string `cli:"*r"`
Force string `cli:"!f"`
EditFile string `edit:"Filename:file"`
ShortAndLong string `cli:"x,y,z,xy,yz,xyz"`
Empty string `cli:"-"`
// errors
Err string `cli:"e" pw:"e" edit:"e" usage:"cli,pw,edit both are cli-like flag"`
}
argv := new(argT)
typ := reflect.TypeOf(argv).Elem()
val := reflect.ValueOf(argv).Elem()
for i, size := 0, val.NumField(); i < size; i++ {
typField, _ := typ.Field(i), val.Field(i)
tag, isEmpty, err := parseTag(typField.Name, typField.Tag)
if err != nil {
assert.Equal(t, typField.Name, "Err")
assert.Equal(t, err, errCliTagTooMany)
continue
}
if isEmpty {
assert.Equal(t, typField.Name, "Empty")
continue
}
switch typField.Name {
case "Cli":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--cli"})
case "Pw":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.True(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--pw"})
case "Edit":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.True(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--edit"})
case "Usage":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--usage"})
assert.Equal(t, tag.usage, "hello,usage")
case "Dft":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--dft"})
assert.Equal(t, tag.dft, "hello,dft")
case "Name":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--name"})
assert.Equal(t, tag.name, "hello-name")
case "Prompt":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--prompt"})
assert.Equal(t, tag.prompt, "hello,prompt")
case "Parser":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--parser"})
assert.Equal(t, typField.Tag.Get(tagParser), "json")
case "Sep":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.longNames, []string{"--sep"})
assert.Equal(t, tag.sep, ":")
case "Required":
assert.True(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
case "Force":
assert.False(t, tag.isRequired)
assert.True(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
case "EditFile":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.True(t, tag.isEdit)
assert.Equal(t, tag.editFile, "Filename")
case "ShortAndLong":
assert.False(t, tag.isRequired)
assert.False(t, tag.isForce)
assert.False(t, tag.isPassword)
assert.False(t, tag.isEdit)
assert.Equal(t, tag.shortNames, []string{"-x", "-y", "-z"})
assert.Equal(t, tag.longNames, []string{"--xy", "--yz", "--xyz"})
case "Multi":
assert.Equal(t, tag.usage, "multi usage")
assert.Equal(t, tag.dft, "dft-value")
case "Empty":
assert.Equal(t, tag, (*tagProperty)(nil))
default:
panic("uncovered case " + typField.Name)
}
}
}