Function DaemonAPIVersion

internal/test/environment/testenv.go:113–121

DaemonAPIVersion returns the negotiated daemon API version.

(t *testing.T)

// DaemonAPIVersion returns the negotiated daemon API version.
func DaemonAPIVersion(t *testing.T) string {
	t.Helper()
	// Use Client.APIVersion instead of Server.APIVersion.
	// The latter is the maximum version that the server supports
	// while the Client.APIVersion contains the negotiated version.
	result := icmd.RunCmd(icmd.Command("docker", "version", "--format", "{{.Client.APIVersion}}"))
	result.Assert(t, icmd.Expected{Err: icmd.None})
	return strings.TrimSpace(result.Stdout())
}