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// Copyright 2020 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package getopt
import (
"testing"
)
func TestMandatory(t *testing.T) {
for _, tt := range []struct {
name string
in []string
err string
}{
{
name: "required option present",
in: []string{"test", "-r"},
},
{
name: "required option not present",
in: []string{"test", "-o"},
err: "test: option -r is mandatory",
},
{
name: "no options",
in: []string{"test"},
err: "test: option -r is mandatory",
},
} {
reset()
var val bool
Flag(&val, 'o')
Flag(&val, 'r').Mandatory()
parse(tt.in)
if s := checkError(tt.err); s != "" {
t.Errorf("%s: %s", tt.name, s)
}
}
}
func TestGroup(t *testing.T) {
for _, tt := range []struct {
name string
in []string
err string
}{
{
name: "no args",
in: []string{"test"},
err: "test: exactly one of the following options must be specified: -A, -B",
},
{
name: "one of each",
in: []string{"test", "-A", "-C"},
},
{
name: "Two in group One",
in: []string{"test", "-A", "-B"},
err: "test: options -A and -B are mutually exclusive",
},
{
name: "Two in group Two",
in: []string{"test", "-A", "-D", "-C"},
err: "test: options -C and -D are mutually exclusive",
},
} {
reset()
var val bool
Flag(&val, 'o')
Flag(&val, 'A').SetGroup("One")
Flag(&val, 'B').SetGroup("One")
Flag(&val, 'C').SetGroup("Two")
Flag(&val, 'D').SetGroup("Two")
RequiredGroup("One")
parse(tt.in)
if s := checkError(tt.err); s != "" {
t.Errorf("%s: %s", tt.name, s)
}
}
}
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