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container/initplace: return nil for createTemp error injection
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This matches os package behaviour, and avoids adding the cleanup.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2026-02-17 14:13:08 +09:00
parent 47860b0387
commit 88d9a6163e
3 changed files with 54 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
container/dispatcher_test.go
View File

@@ -238,8 +238,11 @@ func sliceAddr[S any](s []S) *[]S { return &s }
func newCheckedFile(t *testing.T, name, wantData string, closeErr error) osFile {
f := &checkedOsFile{t: t, name: name, want: wantData, closeErr: closeErr}
// check happens in Close, and cleanup is not guaranteed to run, so relying on it for sloppy implementations will cause sporadic test results
f.cleanup = runtime.AddCleanup(f, func(name string) { f.t.Fatalf("checkedOsFile %s became unreachable without a call to Close", name) }, f.name)
// check happens in Close, and cleanup is not guaranteed to run, so relying
// on it for sloppy implementations will cause sporadic test results
f.cleanup = runtime.AddCleanup(f, func(name string) {
panic("checkedOsFile " + name + " became unreachable without a call to Close")
}, name)
return f
}

22
container/initplace_test.go
View File

@@ -21,7 +21,7 @@ func TestTmpfileOp(t *testing.T) {
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, nil), stub.UniqueError(5)),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, (*checkedOsFile)(nil), stub.UniqueError(5)),
}, stub.UniqueError(5)},
{"Write", &Params{ParentPerm: 0700}, &TmpfileOp{
@@ -35,14 +35,14 @@ func TestTmpfileOp(t *testing.T) {
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, stub.UniqueError(3)), nil),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.Close", sampleDataString, stub.UniqueError(3)), nil),
}, stub.UniqueError(3)},
{"ensureFile", &Params{ParentPerm: 0700}, &TmpfileOp{
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, nil), nil),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.ensureFile", sampleDataString, nil), nil),
call("ensureFile", stub.ExpectArgs{"/sysroot/etc/passwd", os.FileMode(0444), os.FileMode(0700)}, nil, stub.UniqueError(2)),
}, stub.UniqueError(2)},
@@ -50,29 +50,29 @@ func TestTmpfileOp(t *testing.T) {
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, nil), nil),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.bindMount", sampleDataString, nil), nil),
call("ensureFile", stub.ExpectArgs{"/sysroot/etc/passwd", os.FileMode(0444), os.FileMode(0700)}, nil, nil),
call("bindMount", stub.ExpectArgs{"tmp.32768", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, stub.UniqueError(1)),
call("bindMount", stub.ExpectArgs{"tmp.bindMount", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, stub.UniqueError(1)),
}, stub.UniqueError(1)},
{"remove", &Params{ParentPerm: 0700}, &TmpfileOp{
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, nil), nil),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.remove", sampleDataString, nil), nil),
call("ensureFile", stub.ExpectArgs{"/sysroot/etc/passwd", os.FileMode(0444), os.FileMode(0700)}, nil, nil),
call("bindMount", stub.ExpectArgs{"tmp.32768", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, nil),
call("remove", stub.ExpectArgs{"tmp.32768"}, nil, stub.UniqueError(0)),
call("bindMount", stub.ExpectArgs{"tmp.remove", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, nil),
call("remove", stub.ExpectArgs{"tmp.remove"}, nil, stub.UniqueError(0)),
}, stub.UniqueError(0)},
{"success", &Params{ParentPerm: 0700}, &TmpfileOp{
Path: samplePath,
Data: sampleData,
}, nil, nil, []stub.Call{
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.32768", sampleDataString, nil), nil),
call("createTemp", stub.ExpectArgs{"/", "tmp.*"}, newCheckedFile(t, "tmp.success", sampleDataString, nil), nil),
call("ensureFile", stub.ExpectArgs{"/sysroot/etc/passwd", os.FileMode(0444), os.FileMode(0700)}, nil, nil),
call("bindMount", stub.ExpectArgs{"tmp.32768", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, nil),
call("remove", stub.ExpectArgs{"tmp.32768"}, nil, nil),
call("bindMount", stub.ExpectArgs{"tmp.success", "/sysroot/etc/passwd", uintptr(0x5), false}, nil, nil),
call("remove", stub.ExpectArgs{"tmp.success"}, nil, nil),
}, nil},
})