Class test_strings

numexpr3/tests/test_numexpr.py:446–647

BLOCK_SIZE1 = 128 BLOCK_SIZE2 = 8 str_list1 = [b'foo', b'bar', b'', b' '] str_list2 = [b'foo', b'', b'x', b' '] str_nloops = len(str_list1) * (BLOCK_SIZE1 + BLOCK_SIZE2 + 1) str_array1 = array(str_list1 * str_nloops) str_array2 = array(str_list2 * str_nloops) str_co

'''

class test_strings(unittest.TestCase):
    # NE3 strings and unicode support not implemented yet
    '''
    BLOCK_SIZE1 = 128
    BLOCK_SIZE2 = 8
    str_list1 = [b'foo', b'bar', b'', b'  ']
    str_list2 = [b'foo', b'', b'x', b' ']
    str_nloops = len(str_list1) * (BLOCK_SIZE1 + BLOCK_SIZE2 + 1)
    str_array1 = array(str_list1 * str_nloops)
    str_array2 = array(str_list2 * str_nloops)
    str_constant = b'doodoo'

    def test_null_chars(self):
        str_list = [
            b'\0\0\0', b'\0\0foo\0', b'\0\0foo\0b', b'\0\0foo\0b\0',
            b'foo\0', b'foo\0b', b'foo\0b\0', b'foo\0bar\0baz\0\0']
        for s in str_list:
            r = evaluate('s')
            self.assertEqual(s, r.tostring())  # check *all* stored data

    def test_compare_copy(self):
        sarr = self.str_array1
        expr = 'sarr'
        res1 = eval(expr)
        res2 = evaluate(expr)
        assert_array_equal(res1, res2)

    def test_compare_array(self):
        sarr1 = self.str_array1
        sarr2 = self.str_array2
        expr = 'sarr1 >= sarr2'
        res1 = eval(expr)
        res2 = evaluate(expr)
        assert_array_equal(res1, res2)

    def test_compare_variable(self):
        sarr = self.str_array1
        svar = self.str_constant
        expr = 'sarr >= svar'
        res1 = eval(expr)
        res2 = evaluate(expr)
        assert_array_equal(res1, res2)

    def test_compare_constant(self):
        sarr = self.str_array1
        expr = 'sarr >= %r' % self.str_constant
        res1 = eval(expr)
        res2 = evaluate(expr)
        assert_array_equal(res1, res2)

    def test_add_string_array(self):
        sarr1 = self.str_array1
        sarr2 = self.str_array2
        expr = 'sarr1 + sarr2'
        self.assert_missing_op('add_sss', expr, locals())

    def test_empty_string1(self):
        a = np.array(['', 'pepe'])