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package internal
import (
"errors"
"runtime"
"strings"
"testing"
"github.com/go-quicktest/qt"
"github.com/cilium/ebpf/internal/testutils/fdtrace"
)
func TestMain(m *testing.M) {
fdtrace.TestMain(m)
}
func TestFeatureTest(t *testing.T) {
var called bool
fn := NewFeatureTest("foo", func() error {
called = true
return nil
}, "1.0")
if called {
t.Error("Function was called too early")
}
err := fn()
if errors.Is(err, ErrNotSupportedOnOS) {
qt.Assert(t, qt.IsFalse(called))
return
}
qt.Assert(t, qt.IsTrue(called), qt.Commentf("function should be invoked"))
if err != nil {
t.Error("Unexpected negative result:", err)
}
fn = NewFeatureTest("bar", func() error {
return ErrNotSupported
}, "2.1.1")
err = fn()
if err == nil {
t.Fatal("Unexpected positive result")
}
fte, ok := err.(*UnsupportedFeatureError)
if !ok {
t.Fatal("Result is not a *UnsupportedFeatureError")
}
if !strings.Contains(fte.Error(), "2.1.1") {
t.Error("UnsupportedFeatureError.Error doesn't contain version")
}
if !errors.Is(err, ErrNotSupported) {
t.Error("UnsupportedFeatureError is not ErrNotSupported")
}
err2 := fn()
if err != err2 {
t.Error("Didn't cache an error wrapping ErrNotSupported")
}
fn = NewFeatureTest("bar", func() error {
return errors.New("foo")
}, "2.1.1")
err1, err2 := fn(), fn()
if err1 == err2 {
t.Error("Cached result of unsuccessful execution")
}
}
func TestFeatureTestNotSupportedOnOS(t *testing.T) {
sentinel := errors.New("quux")
fn := func() error { return sentinel }
qt.Assert(t, qt.IsNotNil(NewFeatureTest("foo", fn)()))
qt.Assert(t, qt.ErrorIs(NewFeatureTest("foo", fn, "froz:1.0.0")(), ErrNotSupportedOnOS))
qt.Assert(t, qt.ErrorIs(NewFeatureTest("foo", fn, runtime.GOOS+":1.0")(), sentinel))
if OnLinux {
qt.Assert(t, qt.ErrorIs(NewFeatureTest("foo", fn, "1.0")(), sentinel))
}
}
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