Method test00b_char_atom_shape_args

tables/tests/test_array.py:332–374

Data integrity during recovery (string objects)

(self)

            Path(filename).unlink()

    def test00b_char_atom_shape_args(self):
        """Data integrity during recovery (string objects)"""

        a = self.tupleChar

        filename = tempfile.mktemp(".h5")
        try:
            # Create an instance of HDF5 file
            with tb.open_file(filename, mode="w") as fileh:
                nparr = np.asarray(a)
                atom = tb.Atom.from_dtype(nparr.dtype)
                shape = nparr.shape
                if nparr.dtype.byteorder in (">", "<"):
                    byteorder = tb.utils.byteorders[nparr.dtype.byteorder]
                else:
                    byteorder = None

                ptarr = fileh.create_array(
                    fileh.root,
                    "somearray",
                    atom=atom,
                    shape=shape,
                    byteorder=byteorder,
                    title="Some array",
                )
                self.assertEqual(shape, ptarr.shape)
                self.assertEqual(atom, ptarr.atom)
                ptarr[...] = a

            # Re-open the file in read-only mode
            with tb.open_file(filename, mode="r") as fileh:
                # Read the saved array
                b = np.empty_like(a)
                if fileh.root.somearray.flavor != "numpy":
                    self.assertRaises(
                        TypeError, lambda: fileh.root.somearray.read(out=b)
                    )
                else:
                    fileh.root.somearray.read(out=b)
                self.assertIsInstance(b, np.ndarray)
        finally:
            # Then, delete the file
            Path(filename).unlink()

    def setup01_char_nc(self):
        """Data integrity during recovery (non-contiguous character objects)"""