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Copy pathflag_validation_test.go
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164 lines (148 loc) · 3.04 KB
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package cli
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestFlagDefaultValidation(t *testing.T) {
cmd := &Command{
Name: "foo",
Flags: []Flag{
&Int64Flag{
Name: "if",
Value: 2, // this value should fail validation
Validator: func(i int64) error {
if (i >= 3 && i <= 10) || (i >= 20 && i <= 24) {
return nil
}
return fmt.Errorf("Value %d not in range [3,10] or [20,24]", i)
},
ValidateDefaults: true,
},
},
}
r := require.New(t)
// this is a simple call to test PreParse failure before
// parsing has been done
r.Error(cmd.Set("if", "11"))
// Default value of flag is 2 which should fail validation
err := cmd.Run(buildTestContext(t), []string{"foo", "--if", "5"})
r.Error(err)
}
func TestBoolInverseFlagDefaultValidation(t *testing.T) {
cmd := &Command{
Name: "foo",
Flags: []Flag{
&BoolWithInverseFlag{
Name: "bif",
Value: true, // this value should fail validation
Validator: func(i bool) error {
if i {
return fmt.Errorf("invalid value")
}
return nil
},
ValidateDefaults: true,
},
},
}
r := require.New(t)
// Default value of flag is 2 which should fail validation
err := cmd.Run(buildTestContext(t), []string{"foo", "--bif"})
r.Error(err)
}
func TestFlagValidation(t *testing.T) {
r := require.New(t)
testCases := []struct {
name string
arg string
errExpected bool
}{
{
name: "first range less than min",
arg: "2",
errExpected: true,
},
{
name: "first range min",
arg: "3",
},
{
name: "first range mid",
arg: "7",
},
{
name: "first range max",
arg: "10",
},
{
name: "first range greater than max",
arg: "15",
errExpected: true,
},
{
name: "second range less than min",
arg: "19",
errExpected: true,
},
{
name: "second range min",
arg: "20",
},
{
name: "second range mid",
arg: "21",
},
{
name: "second range max",
arg: "24",
},
{
name: "second range greater than max",
arg: "27",
errExpected: true,
},
}
for _, testCase := range testCases {
cmd := &Command{
Name: "foo",
Flags: []Flag{
&Int64Flag{
Name: "it",
Value: 5, // note that this value should pass validation
Validator: func(i int64) error {
if (i >= 3 && i <= 10) || (i >= 20 && i <= 24) {
return nil
}
return fmt.Errorf("Value %d not in range [3,10]U[20,24]", i)
},
},
},
}
err := cmd.Run(buildTestContext(t), []string{"foo", "--it", testCase.arg})
if !testCase.errExpected {
r.NoError(err)
} else {
r.Error(err)
}
}
}
func TestBoolInverseFlagValidation(t *testing.T) {
r := require.New(t)
cmd := &Command{
Name: "foo",
Flags: []Flag{
&BoolWithInverseFlag{
Name: "it",
Validator: func(b bool) error {
if b {
return nil
}
return fmt.Errorf("not valid")
},
},
},
}
err := cmd.Run(buildTestContext(t), []string{"foo", "--it=false"})
r.Error(err)
}