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package report_test
import (
"bytes"
"errors"
"log"
"os"
"reflect"
"slices"
"testing"
"unsafe"
"hakurei.app/check"
"hakurei.app/internal/kobject"
"hakurei.app/internal/report"
"hakurei.app/internal/stub"
"hakurei.app/internal/uevent"
)
type representableUE struct{ stub.UniqueError }
func (representableUE) Representable() {}
func TestDispatch(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
flag uint64
errs []report.Error
persist bool
wantFiles []string
wantLog string
wantPanic error
}{
{"default", 0, []report.Error{
{
Severity: report.Fatal,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
},
{
Severity: report.Inconsistent,
Message: "processed inconsistent uevent",
Err: (&kobject.Event{
Action: uevent.KOBJ_ADD,
DevPath: "\x00",
Env: map[string]string{"V": "\xfd"},
Sequence: 2,
}).NewError(kobject.EDuplicateAdd, &kobject.Object{
State: kobject.StateNew,
DevPath: "\x00",
Env: map[string]string{"V": "\xff"},
}),
},
}, true, []string{`{"kind":"fatal","message":"rejecting coldboot loop","error":"unique error 51966 injected by the test suite"}
`, `{"kind":"inconsistent","message":"processed inconsistent uevent","error":{"fault":1,"event":{"action":"add","devpath":"\u0000","env":{"V":"` + "\ufffd" + `"},"seqnum":2,"subsystem":""},"object":{"state":1,"devpath":"\u0000","subsystem":"","env":{"V":"` + "\ufffd" + `"}}}}
`}, `dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite
dispatch: processed inconsistent uevent: duplicate add event on devpath "\x00"
`, nil},
{"strict", report.DStrict, []report.Error{
{
Severity: report.Degraded,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
},
}, true, []string{
`{"kind":"degradation","message":"rejecting coldboot loop","error":"unique error 51966 injected by the test suite"}
`,
}, "dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite\n", report.Error{
Severity: report.Degraded,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
}},
{"strict no recover", report.DStrict | report.DNoRecover, []report.Error{
{
Severity: report.Inconsistent,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
},
}, true, []string{
`{"kind":"inconsistent","message":"rejecting coldboot loop","error":"unique error 51966 injected by the test suite"}
`,
}, "dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite\n", report.Error{
Severity: report.Inconsistent,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
}},
{"no recover", report.DNoRecover, []report.Error{
{
Severity: 0xbeef,
Message: "rejecting coldboot loop",
Err: representableUE{stub.UniqueError(0xcafe)},
},
}, true, []string{
`{"kind":48879,"message":"rejecting coldboot loop","error":{"UniqueError":51966}}
`,
}, "dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite\n", nil},
{"early", 0, []report.Error{
{
Severity: report.Fatal,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
},
}, false, nil, "dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite\n", report.Error{
Severity: report.Fatal,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
}},
{"bypass early", report.DBypassEarly, []report.Error{
{
Severity: report.Fatal,
Message: "rejecting coldboot loop",
Err: stub.UniqueError(0xcafe),
},
}, false, nil, "dispatch: rejecting coldboot loop: unique error 51966 injected by the test suite\n", nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var r report.Reporter
r.SetFlags(tc.flag)
var buf bytes.Buffer
l := log.New(&buf, "dispatch: ", 0)
r.SetOutput(l)
a := check.MustAbs(t.TempDir())
if tc.persist {
r.SetPathname(a)
}
var got []report.Error
r.Notify(func(p report.Error) { got = append(got, p) })
var gotPanic any
func() {
defer func() { gotPanic = recover() }()
for _, p := range tc.errs {
r.Dispatch(p.Severity, p.Message, p.Err)
}
}()
if gotPanic == nil && !reflect.DeepEqual(got, tc.errs) {
t.Errorf("Dispatch: %#v, want %#v", got, tc.errs)
}
if !reflect.DeepEqual(gotPanic, tc.wantPanic) {
t.Errorf("Dispatch: panic = %v, want %v", gotPanic, tc.wantPanic)
}
if gotLog := buf.String(); gotLog != tc.wantLog {
t.Errorf("Dispatch: log =\n%s\nwant\n%s", gotLog, tc.wantLog)
}
if tc.persist {
var names []string
if dents, err := os.ReadDir(a.String()); err != nil {
t.Fatal(err)
} else {
names = make([]string, len(dents))
for i, dent := range dents {
names[i] = dent.Name()
}
slices.Sort(names)
}
gotFiles := make([]string, len(names))
for i, name := range names {
if p, err := os.ReadFile(a.Append(name).String()); err != nil {
t.Fatal(err)
} else {
gotFiles[i] = unsafe.String(unsafe.SliceData(p), len(p))
}
}
if !slices.Equal(gotFiles, tc.wantFiles) {
t.Errorf("Dispatch: persist = %s, want %s", gotFiles, tc.wantFiles)
}
}
})
}
}
func TestBadPersist(t *testing.T) {
t.Parallel()
var r report.Reporter
r.SetFlags(report.DNoRecover)
r.SetPathname(check.MustAbs("/proc/nonexistent"))
var pathError *os.PathError
func() {
defer func() {
if !errors.As(recover().(error), &pathError) {
t.Fatal("invalid panic kind")
}
}()
r.Dispatch(report.Fatal, "\x00", stub.UniqueError(0xbad))
}()
if !errors.Is(pathError.Err, os.ErrNotExist) {
t.Fatalf("Dispatch: panic = %v", pathError)
}
var buf bytes.Buffer
l := log.New(&buf, "persist: ", 0)
r.SetOutput(l)
r.SetFlags(0)
r.Dispatch(report.Fatal, "\x00", stub.UniqueError(0xbad))
}
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