DockerCLI/cli/command/service/helpers_test.go

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package service
import (
"bytes"
"testing"
"github.com/spf13/pflag"
"github.com/stretchr/testify/assert"
)
func TestWarnDetachDefault(t *testing.T) {
var detach bool
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
addDetachFlag(flags, &detach)
var tests = []struct {
detach bool
version string
expectWarning bool
}{
{true, "1.28", false},
{true, "1.29", false},
{false, "1.28", false},
{false, "1.29", true},
}
for _, test := range tests {
out := new(bytes.Buffer)
flags.Lookup(flagDetach).Changed = test.detach
warnDetachDefault(out, test.version, flags, "")
if test.expectWarning {
assert.NotEmpty(t, out.String(), "expected warning")
} else {
assert.Empty(t, out.String(), "expected no warning")
}
}
}