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package integrationtests
import (
"os"
"path/filepath"
"testing"
)
const (
iorBinaryDefault = "../ior"
workloadBinaryDefault = "../ioworkload"
defaultDuration = 10
parallelEnvVar = "IOR_INTEGRATION_PARALLEL"
)
func newTestHarness(t *testing.T) TestHarness {
t.Helper()
if os.Geteuid() != 0 {
t.Skip("requires root for BPF")
}
return TestHarness{
IorBinary: absPath(t, iorBinaryDefault),
WorkloadBinary: absPath(t, workloadBinaryDefault),
OutputDir: t.TempDir(),
}
}
func absPath(t *testing.T, rel string) string {
t.Helper()
p, err := filepath.Abs(rel)
if err != nil {
t.Fatalf("resolve path %s: %v", rel, err)
}
return p
}
// writeScript creates an executable shell script in dir and returns its path.
func writeScript(t *testing.T, dir, name, content string) string {
t.Helper()
path := filepath.Join(dir, name)
if err := os.WriteFile(path, []byte("#!/bin/sh\n"+content+"\n"), 0o755); err != nil {
t.Fatalf("write script %s: %v", name, err)
}
return path
}
func runScenario(t *testing.T, scenario string, expected []ExpectedEvent) {
t.Helper()
runScenarioResult(t, scenario, expected)
}
func runScenarioResult(t *testing.T, scenario string, expected []ExpectedEvent) (TestResult, int) {
t.Helper()
enableParallelIfRequested(t)
h := newTestHarness(t)
result, pid, err := h.Run(scenario, defaultDuration)
if err != nil {
t.Fatalf("run scenario %s: %v", scenario, err)
}
AssertNoUnexpectedPID(t, result, pid)
AssertNoUnexpectedComm(t, result, "ioworkload")
AssertEventsPresent(t, result, expected)
return result, pid
}
func enableParallelIfRequested(t *testing.T) {
t.Helper()
if os.Getenv(parallelEnvVar) == "1" {
t.Parallel()
}
}
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