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py_obj_parsing.test.js
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373 lines (338 loc) * 13.2 KB
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import {BigNumber} from 'bignumber.js';
import {
parsePyString,
parsePyNumber,
parsePyStringOrNumber,
parsePyDict,
parsePyList,
dumpPyList,
dumpPyDict,
PyObjParser,
} from './py_obj_parsing';
import {None, isNone} from './hash_impl_common';
test('Parsing empty strings', () => {
expect(parsePyString('""')).toEqual('');
expect(parsePyString("''")).toEqual('');
});
test('Parsing non-empty strings', () => {
expect(parsePyString('"aba"')).toEqual('aba');
expect(parsePyString(' "aba"')).toEqual('aba');
expect(parsePyString(' "aba" ')).toEqual('aba');
expect(parsePyString('"aba" ')).toEqual('aba');
expect(parsePyString("'aba'")).toEqual('aba');
expect(parsePyString(" 'aba'")).toEqual('aba');
expect(parsePyString(" 'aba' ")).toEqual('aba');
expect(parsePyString("'aba' ")).toEqual('aba');
expect(parsePyString('"aba caba"')).toEqual('aba caba');
expect(parsePyString("'aba caba'")).toEqual('aba caba');
expect(parsePyString('"aba caba "')).toEqual('aba caba ');
expect(parsePyString("' aba caba'")).toEqual(' aba caba');
expect(parsePyString("' aba caba '")).toEqual(' aba caba ');
expect(parsePyString("'aba caba '")).toEqual('aba caba ');
expect(parsePyString("\"'''\"")).toEqual("'''");
expect(() => parsePyString('aba caba')).toThrowError(/String must be wrapped.*quot/);
expect(() => parsePyString("'aba caba")).toThrowError(/EOL/);
});
test('Parsing escaped strings', () => {
expect(parsePyString('"\\\\"')).toEqual('\\');
expect(parsePyString('"\\\\ \\""')).toEqual('\\ "');
expect(() => parsePyString('"\\n"')).toThrow(/escape sequences/);
expect(() => parsePyString('"ababab\\"')).toThrow(/EOL/);
});
test('Parsing regular numbers', () => {
expect(parsePyNumber('0')).toEqual(BigNumber(0));
expect(parsePyNumber('1')).toEqual(BigNumber(1));
expect(parsePyNumber('-1')).toEqual(BigNumber(-1));
expect(parsePyNumber('+1')).toEqual(BigNumber(1));
expect(parsePyNumber(' 0 ')).toEqual(BigNumber(0));
expect(parsePyNumber(' 1 ')).toEqual(BigNumber(1));
expect(parsePyNumber(' -1 ')).toEqual(BigNumber(-1));
expect(parsePyNumber(' +1 ')).toEqual(BigNumber(1));
expect(parsePyNumber(' +1 ')).toEqual(BigNumber(1));
expect(parsePyNumber('+123132')).toEqual(BigNumber(123132));
expect(parsePyNumber('123132')).toEqual(BigNumber(123132));
expect(parsePyNumber('+131')).toEqual(BigNumber(131));
expect(parsePyNumber('-131')).toEqual(BigNumber(-131));
expect(parsePyNumber('-123132')).toEqual(BigNumber(-123132));
});
test('Parsing numbers: reject floats and non-decimals', () => {
expect(() => parsePyNumber('+1.')).toThrowError(/Floats.*not supported/);
expect(() => parsePyNumber('1.')).toThrowError(/Floats.*not supported/);
expect(() => parsePyNumber('1.2')).toThrowError(/Floats.*not supported/);
expect(() => parsePyNumber('1.22323')).toThrowError(/Floats.*not supported/);
expect(() => parsePyNumber('1e5')).toThrowError(/Floats.*not supported/);
// The next one is a bit questionable, because it is not really a number
expect(() => parsePyNumber('1e')).toThrowError(/Floats.*not supported/);
expect(() => parsePyNumber('0777')).toThrowError(/Non-decimal/);
expect(() => parsePyNumber('07')).toThrowError(/Non-decimal/);
expect(() => parsePyNumber('0x777')).toThrowError(/Non-decimal/);
expect(() => parsePyNumber('0x777')).toThrowError(/Non-decimal/);
// again, it is not expected to properly validate non-decimals
expect(() => parsePyNumber('0x777dsfdsf')).toThrowError(/Non-decimal/);
});
test('Parsing numbers: reject non-numbers', () => {
expect(() => parsePyNumber('')).toThrowError(/Number can't be empty/);
expect(() => parsePyNumber(' ')).toThrowError(/Number can't be empty/);
expect(() => parsePyNumber('a')).toThrowError(/Invalid syntax/);
expect(() => parsePyNumber(' a ')).toThrowError(/Invalid syntax/);
expect(() => parsePyNumber('ababab')).toThrowError(/Invalid syntax/);
expect(() => parsePyNumber(' a bababba')).toThrowError(/Invalid syntax/);
expect(() => parsePyNumber('123abc')).toThrowError(/Invalid syntax/);
expect(() => parsePyNumber(' 123a ')).toThrowError(/Invalid syntax/);
// Techically, a number in python, but isn't considered one by the parser right now
expect(() => parsePyNumber('--1')).toThrowError(/Invalid number/);
});
test('Parsing py strings or numbers', () => {
expect(parsePyStringOrNumber(' "aba" ')).toEqual('aba');
expect(parsePyStringOrNumber(' 17 ')).toEqual(BigNumber(17));
expect(parsePyStringOrNumber(' "17" ')).toEqual('17');
});
test('Parsing dicts: empty dict', () => {
const empty = [];
expect(parsePyDict('{}')).toEqual(empty);
expect(parsePyDict('{ }')).toEqual(empty);
expect(parsePyDict(' { }')).toEqual(empty);
expect(parsePyDict(' { } ')).toEqual(empty);
expect(parsePyDict('{ } ')).toEqual(empty);
expect(parsePyDict('{} ')).toEqual(empty);
expect(parsePyDict(' {} ')).toEqual(empty);
});
test('Parsing dicts: just ints', () => {
expect(parsePyDict(' {1:2, 2: 3,4: 5,6:7 }')).toEqual([
[BigNumber(1), BigNumber(2)],
[BigNumber(2), BigNumber(3)],
[BigNumber(4), BigNumber(5)],
[BigNumber(6), BigNumber(7)],
]);
expect(parsePyDict('{ 1:2,2: 3,4: 5,6:7}')).toEqual([
[BigNumber(1), BigNumber(2)],
[BigNumber(2), BigNumber(3)],
[BigNumber(4), BigNumber(5)],
[BigNumber(6), BigNumber(7)],
]);
const m12 = [[BigNumber(1), BigNumber(2)]];
expect(parsePyDict('{1:2}')).toEqual(m12);
expect(parsePyDict(' {1:2}')).toEqual(m12);
expect(parsePyDict(' {1:2} ')).toEqual(m12);
expect(parsePyDict('{1:2} ')).toEqual(m12);
});
test('Parsing dicts: just strings', () => {
const e = [['a', 'b'], ['b', 'c'], ['d', 'e'], ['f', 'g']];
expect(parsePyDict(" {'a':'b', 'b': 'c','d': 'e','f':'g' }")).toEqual(e);
expect(parsePyDict("{ 'a':\"b\",\"b\": 'c','d': 'e','f':'g'}")).toEqual(e);
});
test('Parsing dicts: mixed strings and ints', () => {
expect(parsePyDict(" {'a':2, 3: 'c','d': 4,5:'g' }")).toEqual([
['a', BigNumber(2)],
[BigNumber(3), 'c'],
['d', BigNumber(4)],
[BigNumber(5), 'g'],
]);
});
test('Parsing dicts: mixed strings, ints and Nones with repeated keys', () => {
expect(parsePyDict(" {'a':2, 3: 'c','d': 4,5:'g' , 'a': 'b', 5: 'f' } ")).toEqual([
['a', BigNumber(2)],
[BigNumber(3), 'c'],
['d', BigNumber(4)],
[BigNumber(5), 'g'],
['a', 'b'],
[BigNumber(5), 'f'],
]);
expect(
parsePyDict(
" {'a':2, 3: 'c', None: 'abc', 'd': 4,5:'g' , 'a': 'b', 5: 'f' , 'a': None, None : 42 } "
)
).toEqual([
['a', BigNumber(2)],
[BigNumber(3), 'c'],
[None, 'abc'],
['d', BigNumber(4)],
[BigNumber(5), 'g'],
['a', 'b'],
[BigNumber(5), 'f'],
['a', None],
[None, BigNumber(42)],
]);
});
test('Parsing dicts: malformed dicts', () => {
// TODO: more of this?
expect(() => parsePyDict(' {')).toThrowError(/abrupt/);
expect(() => parsePyDict(' { ')).toThrowError(/abrupt/);
expect(() => parsePyDict(' } ')).toThrowError(/Expected.*{/);
expect(() => parsePyDict('a')).toThrowError(/Expected.*{/);
expect(() => parsePyDict("{'a':5")).toThrowError(/abrupt/);
expect(() => parsePyDict("{'a':5")).toThrowError(/abrupt/);
expect(() => parsePyDict("{'a',5")).toThrowError(/Expected.*:/);
expect(() => parsePyDict("{'a':5e}")).toThrowError(/Floats/);
expect(() => parsePyDict("{'a': 'b' 5: 6")).toThrowError(/Expected.*,/);
expect(() => parsePyDict("{'a':5} fd fds")).toThrowError(/Trailing/);
});
test('Parsing lists: empty list', () => {
expect(parsePyList('[]')).toEqual([]);
expect(parsePyList('[ ]')).toEqual([]);
expect(parsePyList(' [ ]')).toEqual([]);
expect(parsePyList(' [ ] ')).toEqual([]);
expect(parsePyList('[ ] ')).toEqual([]);
expect(parsePyList('[] ')).toEqual([]);
expect(parsePyList(' [] ')).toEqual([]);
});
test('Parsing lists: just ints', () => {
expect(parsePyList(' [1,2, 2, 3,4, 5,6,7 ]')).toEqual([
BigNumber(1),
BigNumber(2),
BigNumber(2),
BigNumber(3),
BigNumber(4),
BigNumber(5),
BigNumber(6),
BigNumber(7),
]);
expect(parsePyList('[ 1,2,2, 3,4, 5,6,7]')).toEqual([
BigNumber(1),
BigNumber(2),
BigNumber(2),
BigNumber(3),
BigNumber(4),
BigNumber(5),
BigNumber(6),
BigNumber(7),
]);
expect(parsePyList('[1,2]')).toEqual([BigNumber(1), BigNumber(2)]);
expect(parsePyList(' [1,2]')).toEqual([BigNumber(1), BigNumber(2)]);
expect(parsePyList(' [1,2] ')).toEqual([BigNumber(1), BigNumber(2)]);
expect(parsePyList('[1,2] ')).toEqual([BigNumber(1), BigNumber(2)]);
});
test('Parsing lists: just strings', () => {
expect(parsePyList(" ['a','b', 'b', 'c','d', 'e','f','g' ]")).toEqual([
'a',
'b',
'b',
'c',
'd',
'e',
'f',
'g',
]);
expect(parsePyList("[ 'a',\"b\",\"b\", 'c','d', 'e','f','g']")).toEqual([
'a',
'b',
'b',
'c',
'd',
'e',
'f',
'g',
]);
});
test('Parsing lists: mixed strings and ints', () => {
expect(parsePyList(" ['a',2, 3, 'c','d', 4,5,'g' ]")).toEqual([
'a',
BigNumber(2),
BigNumber(3),
'c',
'd',
BigNumber(4),
BigNumber(5),
'g',
]);
});
test('Parsing lists: mixed strings, ints and Nones with repeated values', () => {
expect(parsePyList(" ['a',2, 3, 'c' ,'d', 4,5,'g' , 'a', 'b', 5, 'f' ] ")).toEqual([
'a',
BigNumber(2),
BigNumber(3),
'c',
'd',
BigNumber(4),
BigNumber(5),
'g',
'a',
'b',
BigNumber(5),
'f',
]);
expect(
parsePyList(
" ['a',2, None , 3, 'c','d', None , 4,5,'g' , None,None,None , 'a', 'b', 5, 'f' ] "
)
).toEqual([
'a',
BigNumber(2),
None,
BigNumber(3),
'c',
'd',
None,
BigNumber(4),
BigNumber(5),
'g',
None,
None,
None,
'a',
'b',
BigNumber(5),
'f',
]);
});
test('Parsing lists: malformed lists', () => {
// TODO: more of this?
expect(() => parsePyList(' [')).toThrowError(/abrupt/);
expect(() => parsePyList(' [ ')).toThrowError(/abrupt/);
expect(() => parsePyList(' ] ')).toThrowError(/Expected.*\[/);
expect(() => parsePyList(' [5 5] ')).toThrowError(/Expected.*,/);
expect(() => parsePyList('a')).toThrowError(/Expected.*\[/);
expect(() => parsePyList("['a',5")).toThrowError(/abrupt/);
expect(() => parsePyList("['a',5e]")).toThrowError(/Floats/);
expect(() => parsePyList("['a',5] fdsfds")).toThrowError(/Trailing/);
});
test('Parsing None', () => {
const parseNone = s => {
let p = new PyObjParser(s);
return p._parseNoneOrThrowUnknownIdentifier().res;
};
expect(isNone(parseNone('None'))).toBe(true);
expect(isNone(parseNone(' None'))).toBe(true);
expect(isNone(parseNone('None '))).toBe(true);
expect(isNone(parseNone(' None '))).toBe(true);
expect(() => parseNone(' Nonenone ')).toThrowError(/Unknown identifier/);
expect(() => parseNone('Nonee')).toThrowError(/Unknown identifier/);
});
test('Dumping lists', () => {
expect(dumpPyList([])).toEqual('[]');
expect(dumpPyList([1, 1, 2, 3, 5])).toEqual('[1, 1, 2, 3, 5]');
expect(dumpPyList(['abc', 'def', 2, 3, 5])).toEqual('["abc", "def", 2, 3, 5]');
expect(dumpPyList([None, 'abc', None, 'def', 2, 3, 5])).toEqual('[None, "abc", None, "def", 2, 3, 5]');
});
test('Dumping dicts', () => {
expect(dumpPyDict(new Map())).toEqual('{}');
expect(
dumpPyDict([
[BigNumber(1), BigNumber(2)],
[BigNumber(2), BigNumber(3)],
[BigNumber(3), BigNumber(4)],
[BigNumber(5), BigNumber(9)],
])
).toEqual('{1: 2, 2: 3, 3: 4, 5: 9}');
expect(
dumpPyDict([
['abc', BigNumber(4)],
['def', 'fgh'],
[BigNumber(2), BigNumber(9)],
[BigNumber(3), 'ar'],
[BigNumber(5), ''],
])
).toEqual('{"abc": 4, "def": "fgh", 2: 9, 3: "ar", 5: ""}');
expect(
dumpPyDict([
[None, BigNumber(3)],
['abc', BigNumber(4)],
['def', 'fgh'],
[BigNumber(2), BigNumber(9)],
[BigNumber(3), 'ar'],
[BigNumber(5), ''],
[None, 'abc'],
['abc', BigNumber(5)],
])
).toEqual('{None: 3, "abc": 4, "def": "fgh", 2: 9, 3: "ar", 5: "", None: "abc", "abc": 5}');
});