Python api.eval_object函数代码示例

def test_list_in():

    def list_in():
        return [
            1 in [10, 11],
            'foo' in 'barfoobar',
            11 in [10, 11]
        ]

    assert list_in() == eval_object(list_in, 'list_in();')
    expected = (
        'var _pj;\n'
        'function _pj_snippets(container) {\n'
        '    function _in(left, right) {\n'
        '        if (((right instanceof Array) || ((typeof right) === "string"))) {\n'
        '            return (right.indexOf(left) > (- 1));\n'
        '        } else {\n'
        '            return (left in right);\n'
        '        }\n'
        '    }\n'
        '    container["_in"] = _in;\n'
        '    return container;\n'
        '}\n'
        '_pj = {};\n'
        '_pj_snippets(_pj);\n'
        'function list_in() {\n'
        '    return [_pj._in(1, [10, 11]), _pj._in("foo", "barfoobar"), _pj._in(11, '
        '[10, 11])];\n'
        '}\n'
    )
    assert translate_object(list_in)[0] == expected

def test_multiple_assignment_and_sum():

    def sum():
        x = y = 2
        return x + y

    assert sum() == eval_object(sum, 'sum();')

def test_dict_member_deletion():

    def deletion():
        d = {'foo': 1, 'bar': 2}
        del d['bar']
        return d

    assert deletion() == eval_object(deletion, 'deletion();')

def test_for_items_in_array():

    def dofor():
        x = 0
        for t in [1, 2, 3, 100]:
            x += t
        return x

    assert dofor() == eval_object(dofor, 'dofor();')

def test_for_range_step():

    def dofor():
        x = 0
        for i in range(0, 10, 2):
            x += i
        return x

    assert dofor() == eval_object(dofor, 'dofor();')

def test_for_range_less_simpler():

    def dofor():
        x = 0
        for i in range(3, 5):
            x += i
        return x

    assert dofor() == eval_object(dofor, 'dofor();')

def test_for_items_in_dict():

    def dofor():
        x = ''
        d = {'foo': 'FOO', 'bar': 'BAR'}
        for k in dict(d):
            x += k + d[k]
        return x

    result = eval_object(dofor, 'dofor();')
    assert result == 'fooFOObarBAR' or result == 'barBARfooFOO'

def test_assert():

    def test_ass():

        try:
            assert False, "Error raised"
        except Exception as e:
            return e
        return True

    assert {'message': 'Error raised', 'name': 'PJAssertionError'} == eval_object(test_ass, 'test_ass();')

def test_if_else_elif():

    def test_if():

        if 3 < 3:
            x = 1
        elif 2 < 3:
            x = 2
        else:
            x = 3
        return x

    assert test_if() == eval_object(test_if, 'test_if();')

def test_slices():

    def test():

        foo = 'fooFoo'
        a = [
            foo[1],
            foo[-3:],
            foo[2:-1],
            foo[:5]
        ]
        return a

    assert test() == ['o', 'Foo', 'oFo', 'fooFo'] == eval_object(test, 'test();')

def test_while_and_aug_assignment():

    def _while():
        x = 0
        i = 10
        while True:
            x += i
            i -= 1
            if i < 0:
                break
            else:
                continue

        return x

    assert _while() == eval_object(_while, '_while();')

def test_float_conversion():

    def test_float():
        return float('7.5') + float('7.1')

    assert eval_object(test_float, 'test_float();') == test_float()

def test_bitwise_or():

    def _or():
        return [0 | 0, 0 | 1, 1 | 0, 1 | 1]

    assert _or() == eval_object(_or, '_or();')

def test_list_comprehension():

    def _list():
        return  [x + 1 for x in [1, 2, 3, 100]]

    assert _list() == eval_object(_list, '_list();')

def test_integer():

    def test_int():
        return int('5') + int('6')

    assert eval_object(test_int, 'test_int();') == test_int()