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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package vespa
import (
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
)
func TestDetectHostname(t *testing.T) {
trace.AdjustVerbosity(0)
t.Setenv("VESPA_HOSTNAME", "foo.bar")
got, err := FindOurHostname()
assert.Nil(t, err)
assert.Equal(t, "foo.bar", got)
os.Unsetenv("VESPA_HOSTNAME")
got, err = findOurHostnameFrom("bar.foo.123")
t.Log("findOurHostname from bar.foo.123 returns:", got, "with error:", err)
assert.NotEqual(t, "", got)
parts := strings.Split(got, ".")
if len(parts) > 1 {
expanded, err2 := findOurHostnameFrom(parts[0])
t.Log("findOurHostname from", parts[0], "returns:", expanded, "with error:", err2)
assert.Equal(t, got, expanded)
}
got, err = findOurHostnameFrom("")
assert.NotEqual(t, "", got)
t.Log("findOurHostname('') returns:", got, "with error:", err)
}
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