# This file is part of h5py, a Python interface to the HDF5 library.
#
# http://www.h5py.org
#
# Copyright 2008-2013 Andrew Collette and contributors
#
# License:  Standard 3-clause BSD; see "license.txt" for full license terms
#           and contributor agreement.

"""
    Common high-level operations test

    Tests features common to all high-level objects, like the .name property.
"""

from __future__ import absolute_import

import six

from h5py import File
from .common import ut, TestCase, UNICODE_FILENAMES

import numpy as np
import os
import tempfile

class BaseTest(TestCase):

    def setUp(self):
        self.f = File(self.mktemp(), 'w')

    def tearDown(self):
        if self.f:
            self.f.close()

class TestName(BaseTest):

    """
        Feature: .name attribute returns the object name
    """

    def test_anonymous(self):
        """ Anonymous objects have name None """
        grp = self.f.create_group(None)
        self.assertIs(grp.name, None)

class TestRepr(BaseTest):

    """
        repr() works correctly with Unicode names
    """

    USTRING = six.unichr(0xfc) + six.unichr(0xdf)

    def _check_type(self, obj):
        if six.PY2:
            self.assertIsInstance(repr(obj), bytes)
        else:
            self.assertIsInstance(repr(obj), six.text_type)

    def test_group(self):
        """ Group repr() with unicode """
        grp = self.f.create_group(self.USTRING)
        self._check_type(grp)

    def test_dataset(self):
        """ Dataset repr() with unicode """
        dset = self.f.create_dataset(self.USTRING, (1,))
        self._check_type(dset)

    def test_namedtype(self):
        """ Named type repr() with unicode """
        self.f['type'] = np.dtype('f')
        typ = self.f['type']
        self._check_type(typ)

    @ut.skipIf(not UNICODE_FILENAMES, "Filesystem unicode support required")
    def test_file(self):
        """ File object repr() with unicode """
        fname = tempfile.mktemp(self.USTRING+u'.hdf5')
        try:
            with File(fname,'w') as f:
                self._check_type(f)
        finally:
            try:
                os.unlink(fname)
            except Exception:
                pass