diff options
Diffstat (limited to 'runsc/fsgofer/fsgofer_test.go')
| -rw-r--r-- | runsc/fsgofer/fsgofer_test.go | 84 |
1 files changed, 70 insertions, 14 deletions
diff --git a/runsc/fsgofer/fsgofer_test.go b/runsc/fsgofer/fsgofer_test.go index 94f167417..8ed703584 100644 --- a/runsc/fsgofer/fsgofer_test.go +++ b/runsc/fsgofer/fsgofer_test.go @@ -491,30 +491,50 @@ func TestLink(t *testing.T) { } func TestROMountChecks(t *testing.T) { + const want = syscall.EROFS runCustom(t, allTypes, roConfs, func(t *testing.T, s state) { - if _, _, _, _, err := s.file.Create("some_file", p9.ReadWrite, 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != syscall.EBADF { - t.Errorf("%v: Create() should have failed, got: %v, expected: syscall.EBADF", s, err) + if s.fileType != syscall.S_IFLNK { + if _, _, _, err := s.file.Open(p9.WriteOnly); err != want { + t.Errorf("Open() should have failed, got: %v, expected: %v", err, want) + } + if _, _, _, err := s.file.Open(p9.ReadWrite); err != want { + t.Errorf("Open() should have failed, got: %v, expected: %v", err, want) + } + if _, _, _, err := s.file.Open(p9.ReadOnly | p9.OpenTruncate); err != want { + t.Errorf("Open() should have failed, got: %v, expected: %v", err, want) + } + f, _, _, err := s.file.Open(p9.ReadOnly) + if err != nil { + t.Errorf("Open() failed: %v", err) + } + if f != nil { + _ = f.Close() + } + } + + if _, _, _, _, err := s.file.Create("some_file", p9.ReadWrite, 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != want { + t.Errorf("Create() should have failed, got: %v, expected: %v", err, want) } - if _, err := s.file.Mkdir("some_dir", 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != syscall.EBADF { - t.Errorf("%v: MkDir() should have failed, got: %v, expected: syscall.EBADF", s, err) + if _, err := s.file.Mkdir("some_dir", 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != want { + t.Errorf("MkDir() should have failed, got: %v, expected: %v", err, want) } - if err := s.file.RenameAt("some_file", s.file, "other_file"); err != syscall.EBADF { - t.Errorf("%v: Rename() should have failed, got: %v, expected: syscall.EBADF", s, err) + if err := s.file.RenameAt("some_file", s.file, "other_file"); err != want { + t.Errorf("Rename() should have failed, got: %v, expected: %v", err, want) } - if _, err := s.file.Symlink("some_place", "some_symlink", p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != syscall.EBADF { - t.Errorf("%v: Symlink() should have failed, got: %v, expected: syscall.EBADF", s, err) + if _, err := s.file.Symlink("some_place", "some_symlink", p9.UID(os.Getuid()), p9.GID(os.Getgid())); err != want { + t.Errorf("Symlink() should have failed, got: %v, expected: %v", err, want) } - if err := s.file.UnlinkAt("some_file", 0); err != syscall.EBADF { - t.Errorf("%v: UnlinkAt() should have failed, got: %v, expected: syscall.EBADF", s, err) + if err := s.file.UnlinkAt("some_file", 0); err != want { + t.Errorf("UnlinkAt() should have failed, got: %v, expected: %v", err, want) } - if err := s.file.Link(s.file, "some_link"); err != syscall.EBADF { - t.Errorf("%v: Link() should have failed, got: %v, expected: syscall.EBADF", s, err) + if err := s.file.Link(s.file, "some_link"); err != want { + t.Errorf("Link() should have failed, got: %v, expected: %v", err, want) } valid := p9.SetAttrMask{Size: true} attr := p9.SetAttr{Size: 0} - if err := s.file.SetAttr(valid, attr); err != syscall.EBADF { - t.Errorf("%v: SetAttr() should have failed, got: %v, expected: syscall.EBADF", s, err) + if err := s.file.SetAttr(valid, attr); err != want { + t.Errorf("SetAttr() should have failed, got: %v, expected: %v", err, want) } }) } @@ -522,6 +542,9 @@ func TestROMountChecks(t *testing.T) { func TestROMountPanics(t *testing.T) { conf := Config{ROMount: true, PanicOnWrite: true} runCustom(t, allTypes, []Config{conf}, func(t *testing.T, s state) { + if s.fileType != syscall.S_IFLNK { + assertPanic(t, func() { s.file.Open(p9.WriteOnly) }) + } assertPanic(t, func() { s.file.Create("some_file", p9.ReadWrite, 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())) }) assertPanic(t, func() { s.file.Mkdir("some_dir", 0777, p9.UID(os.Getuid()), p9.GID(os.Getgid())) }) assertPanic(t, func() { s.file.RenameAt("some_file", s.file, "other_file") }) @@ -741,3 +764,36 @@ func TestDoubleAttachError(t *testing.T) { t.Fatalf("Attach should have failed, got %v want non-nil", err) } } + +func TestTruncate(t *testing.T) { + runCustom(t, []uint32{syscall.S_IFDIR}, rwConfs, func(t *testing.T, s state) { + child, err := createFile(s.file, "test") + if err != nil { + t.Fatalf("createFile() failed, err: %v", err) + } + defer child.Close() + want := []byte("foobar") + w, err := child.WriteAt(want, 0) + if err != nil { + t.Fatalf("Write() failed, err: %v", err) + } + if w != len(want) { + t.Fatalf("Write() was partial, got: %d, expected: %d", w, len(want)) + } + + _, l, err := s.file.Walk([]string{"test"}) + if err != nil { + t.Fatalf("Walk(%s) failed, err: %v", "test", err) + } + if _, _, _, err := l.Open(p9.ReadOnly | p9.OpenTruncate); err != nil { + t.Fatalf("Open() failed, err: %v", err) + } + _, mask, attr, err := l.GetAttr(p9.AttrMask{Size: true}) + if !mask.Size { + t.Fatalf("GetAttr() didn't return size: %+v", mask) + } + if attr.Size != 0 { + t.Fatalf("truncate didn't work, want: 0, got: %d", attr.Size) + } + }) +} |