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package common_test
import (
"testing"
"github.com/containers/podman/v4/cmd/podman/common"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
)
type Car struct {
Brand string
Stats struct {
HP *int
Displacement int
}
Extras map[string]Extra
// also ensure it will work with pointers
Extras2 map[string]*Extra
}
type Extra struct {
Name1 string
Name2 string
}
type Anonymous struct {
Hello string
// The name should match the testStruct Name below. This is used to make
// sure the logic uses the actual struct fields before the embedded ones.
Name struct {
Suffix string
Prefix string
}
}
// The name should match the testStruct Age name below.
func (a Anonymous) Age() int {
return 0
}
func (c Car) Type() string {
return ""
}
// Note: It is important that this function is *Car and the Type one is just Car.
// The reflect logic behaves differently for these cases so we have to test both.
func (c *Car) Color() string {
return ""
}
// This is for reflect testing required.
//nolint:unused
func (c Car) internal() int {
return 0
}
func (c Car) TwoOut() (string, string) {
return "", ""
}
func (c Car) Struct() Car {
return Car{}
}
func TestAutocompleteFormat(t *testing.T) {
testStruct := struct {
Name string
Age int
Car *Car
Car2 *Car
*Anonymous
private int
}{}
testStruct.Car = &Car{}
tests := []struct {
name string
toComplete string
expected []string
}{
{
"empty completion",
"",
[]string{"json"},
},
{
"json completion",
"json",
[]string{"json"},
},
{
"invalid completion",
"blahblah",
nil,
},
{
"invalid completion",
"{{",
nil,
},
{
"invalid completion",
"{{ ",
nil,
},
{
"invalid completion",
"{{ ..",
[]string{},
},
{
"fist level struct field name",
"{{.",
[]string{"{{.Name}}", "{{.Age}}", "{{.Car.", "{{.Car2.", "{{.Anonymous.", "{{.Hello}}"},
},
{
"fist level struct field name",
"{{ .",
[]string{"{{ .Name}}", "{{ .Age}}", "{{ .Car.", "{{ .Car2.", "{{ .Anonymous.", "{{ .Hello}}"},
},
{
"fist level struct field name",
"{{ .N",
[]string{"{{ .Name}}"},
},
{
"second level struct field name",
"{{ .Car.",
[]string{"{{ .Car.Color}}", "{{ .Car.Struct.", "{{ .Car.Type}}", "{{ .Car.Brand}}", "{{ .Car.Stats.", "{{ .Car.Extras.", "{{ .Car.Extras2."},
},
{
"second level struct field name",
"{{ .Car.B",
[]string{"{{ .Car.Brand}}"},
},
{
"second level nil struct field name",
"{{ .Car2.",
[]string{"{{ .Car2.Color}}", "{{ .Car2.Struct.", "{{ .Car2.Type}}", "{{ .Car2.Brand}}", "{{ .Car2.Stats.", "{{ .Car2.Extras.", "{{ .Car2.Extras2."},
},
{
"three level struct field name",
"{{ .Car.Stats.",
[]string{"{{ .Car.Stats.HP}}", "{{ .Car.Stats.Displacement}}"},
},
{
"three level struct field name",
"{{ .Car.Stats.D",
[]string{"{{ .Car.Stats.Displacement}}"},
},
{
"second level struct field name",
"{{ .Car.B",
[]string{"{{ .Car.Brand}}"},
},
{
"invalid field name",
"{{ .Ca.B",
[]string{},
},
{
"map key names don't work",
"{{ .Car.Extras.",
[]string{},
},
{
"map values work",
"{{ .Car.Extras.somekey.",
[]string{"{{ .Car.Extras.somekey.Name1}}", "{{ .Car.Extras.somekey.Name2}}"},
},
{
"map values work with ptr",
"{{ .Car.Extras2.somekey.",
[]string{"{{ .Car.Extras2.somekey.Name1}}", "{{ .Car.Extras2.somekey.Name2}}"},
},
{
"two variables struct field name",
"{{ .Car.Brand }} {{ .Car.",
[]string{"{{ .Car.Brand }} {{ .Car.Color}}", "{{ .Car.Brand }} {{ .Car.Struct.", "{{ .Car.Brand }} {{ .Car.Type}}",
"{{ .Car.Brand }} {{ .Car.Brand}}", "{{ .Car.Brand }} {{ .Car.Stats.", "{{ .Car.Brand }} {{ .Car.Extras.",
"{{ .Car.Brand }} {{ .Car.Extras2."},
},
{
"only dot without variable",
".",
nil,
},
{
"access embedded nil struct field",
"{{.Hello.",
[]string{},
},
}
for _, test := range tests {
completion, directive := common.AutocompleteFormat(&testStruct)(nil, nil, test.toComplete)
// directive should always be greater than ShellCompDirectiveNoFileComp
assert.GreaterOrEqual(t, directive, cobra.ShellCompDirectiveNoFileComp, "unexpected ShellCompDirective")
assert.Equal(t, test.expected, completion, test.name)
}
}
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