Function TestVFSFile_NewDatabase_FileSize

vfs_write_test.go:841–883

(t *testing.T)

}

func TestVFSFile_NewDatabase_FileSize(t *testing.T) {
	// Test that FileSize returns 0 for a new empty database
	client := newWriteTestReplicaClient()

	tmpDir := t.TempDir()
	bufferPath := tmpDir + "/.litestream-write-buffer"

	logger := slog.Default()
	f := NewVFSFile(client, "new.db", logger)
	f.writeEnabled = true
	f.dirty = make(map[uint32]int64)
	f.syncInterval = 0
	f.bufferPath = bufferPath

	if err := f.Open(); err != nil {
		t.Fatal(err)
	}
	defer f.Close()

	// FileSize should be 0 for empty database
	size, err := f.FileSize()
	if err != nil {
		t.Fatal(err)
	}
	if size != 0 {
		t.Errorf("expected size 0 for new database, got %d", size)
	}

	// Write a page
	data := make([]byte, DefaultPageSize)
	if _, err := f.WriteAt(data, 0); err != nil {
		t.Fatal(err)
	}

	// FileSize should now reflect the dirty page
	size, err = f.FileSize()
	if err != nil {
		t.Fatal(err)
	}
	if size != int64(DefaultPageSize) {
		t.Errorf("expected size %d after write, got %d", DefaultPageSize, size)
	}
}

func TestSetWriteEnabled_ReadValue(t *testing.T) {
	client := newWriteTestReplicaClient()