mirror of
https://github.com/gogrlx/snack.git
synced 2026-04-02 05:08:42 -07:00
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package detect
|
|
|
|
import (
|
|
"testing"
|
|
)
|
|
|
|
func TestByNameUnknown(t *testing.T) {
|
|
_, err := ByName("nonexistent")
|
|
if err == nil {
|
|
t.Fatal("expected error for unknown manager")
|
|
}
|
|
}
|
|
|
|
func TestAllReturnsSlice(t *testing.T) {
|
|
// Just verify it doesn't panic; actual availability depends on system.
|
|
_ = All()
|
|
}
|
|
|
|
func TestDefaultDoesNotPanic(t *testing.T) {
|
|
// May return error if no managers available; that's fine.
|
|
_, _ = Default()
|
|
}
|
|
|
|
func TestDefaultCachesResult(t *testing.T) {
|
|
Reset()
|
|
m1, err1 := Default()
|
|
m2, err2 := Default()
|
|
if m1 != m2 {
|
|
t.Error("expected Default() to return the same Manager on repeated calls")
|
|
}
|
|
if err1 != err2 {
|
|
t.Error("expected Default() to return the same error on repeated calls")
|
|
}
|
|
// Exactly one of m1/err1 must be non-nil (either a manager was found or not).
|
|
if (m1 == nil) == (err1 == nil) {
|
|
t.Error("expected exactly one of Manager or error to be non-nil")
|
|
}
|
|
}
|
|
|
|
func TestResetAllowsRedetection(t *testing.T) {
|
|
_, _ = Default()
|
|
Reset()
|
|
// After reset, defaultOnce should be fresh; calling Default() again should work.
|
|
_, _ = Default()
|
|
}
|