lnd/itest/config.go

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//go:build integration
package itest
import (
"os/exec"
"github.com/lightningnetwork/lnd/lntest"
"github.com/stretchr/testify/require"
)
// testDebuglevelShow tests that "lnd --debuglevel=show" command works and
// prints the list of supported subsystems.
func testDebuglevelShow(ht *lntest.HarnessTest) {
// We can't use ht.NewNode, because it adds more arguments to the
// command line (e.g. flags configuring bitcoin backend), but we want to
// make sure that "lnd --debuglevel=show" works without any other flags.
lndBinary := getLndBinary(ht.T)
cmd := exec.Command(lndBinary, "--debuglevel=show")
stdoutStderrBytes, err := cmd.CombinedOutput()
require.NoError(ht, err, "failed to run 'lnd --debuglevel=show'")
// Make sure that the output contains the list of supported subsystems
// and that the list is not empty. We search PEER subsystem.
stdoutStderr := string(stdoutStderrBytes)
require.Contains(ht, stdoutStderr, "Supported subsystems")
require.Contains(ht, stdoutStderr, "PEER")
}