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import copy
import pytest
import hy
from hy.errors import HyWrapperError
from hy.models import (
Complex,
Dict,
Expression,
FComponent,
Float,
FString,
Integer,
Keyword,
List,
Set,
String,
Symbol,
Tuple,
as_model,
pretty,
replace_hy_obj,
)
def test_symbol_or_keyword():
for x in ("foo", "foo-bar", "foo_bar", "✈é😂⁂"):
assert str(Symbol(x)) == x
assert Keyword(x).name == x
for x in ("", ":foo", "5", "#foo"):
# https://github.com/hylang/hy/issues/2383
with pytest.raises(ValueError):
Symbol(x)
assert Keyword(x).name == x
for x in ("foo bar", "fib()"):
with pytest.raises(ValueError):
Symbol(x)
with pytest.raises(ValueError):
Keyword(x)
def test_wrap_int():
wrapped = as_model(0)
assert type(wrapped) == Integer
def test_wrap_tuple():
wrapped = as_model((Integer(0),))
assert type(wrapped) == Tuple
assert type(wrapped[0]) == Integer
assert wrapped == Tuple([Integer(0)])
def test_wrap_nested_expr():
"""Test conversion of Expressions with embedded non-HyObjects."""
wrapped = as_model(Expression([0]))
assert type(wrapped) == Expression
assert type(wrapped[0]) == Integer
assert wrapped == Expression([Integer(0)])
def test_replace_int():
replaced = replace_hy_obj(0, Integer(13))
assert replaced == Integer(0)
def test_invalid_bracket_strings():
for string, brackets in [("]foo]", "foo"), ("something ]f] else", "f")]:
with pytest.raises(ValueError):
String(string, brackets)
for nodes, brackets in [
([String("hello"), String("world ]foo]")], "foo"),
([String("something"), FComponent([String("world")]), String("]f]")], "f"),
([String("something"), FComponent([Integer(1), String("]f]")])], "f"),
]:
with pytest.raises(ValueError):
FString(nodes, brackets=brackets)
def test_replace_str():
replaced = replace_hy_obj("foo", String("bar"))
assert replaced == String("foo")
def test_replace_tuple():
replaced = replace_hy_obj((0,), Integer(13))
assert type(replaced) == Tuple
assert type(replaced[0]) == Integer
assert replaced == Tuple([Integer(0)])
def test_list_add():
"""Check that adding two Lists generates a List"""
a = List([1, 2, 3])
b = List([3, 4, 5])
c = a + b
assert c == List([1, 2, 3, 3, 4, 5])
assert type(c) is List
def test_list_slice():
"""Check that slicing a List produces a List"""
a = List([1, 2, 3, 4])
sl1 = a[1:]
sl5 = a[5:]
assert type(sl1) == List
assert sl1 == List([2, 3, 4])
assert type(sl5) == List
assert sl5 == List([])
def test_hydict_methods():
hydict = Dict(["a", 1, "z", 9, "b", 2, "a", 3, "c", 4])
assert hydict.items() == [("a", 1), ("z", 9), ("b", 2), ("a", 3), ("c", 4)]
assert hydict.keys() == ["a", "z", "b", "a", "c"]
assert hydict.values() == [1, 9, 2, 3, 4]
def test_set():
assert list(Set([3, 1, 2, 2])) == [3, 1, 2, 2]
def test_equality():
# https://github.com/hylang/hy/issues/1363
assert String("foo") == String("foo")
assert String("foo") == hy.as_model("foo")
assert String("foo") != String("fo")
assert String("foo") != "foo"
assert "foo" != String("foo")
assert Symbol("foo") == Symbol("foo")
assert Symbol("foo") != Symbol("fo")
assert Symbol("foo") != String("foo")
assert Symbol("foo") != "foo"
assert Integer(5) == Integer(5)
assert Integer(5) == hy.as_model(5)
assert Integer(5) != Integer(6)
assert Integer(5) != 5
assert 5 != Integer(5)
l = [Integer(1), Integer(2)]
assert List(l) == List(l)
assert List(l) == hy.as_model(l)
assert List(l) != List(list(reversed(l)))
assert List(l) != List([Integer(1), Integer(3)])
assert List(l) != l
assert List(l) != tuple(l)
def test_number_model_copy():
i = Integer(42)
assert i == copy.copy(i)
assert i == copy.deepcopy(i)
f = Float(42.0)
assert f == copy.copy(f)
assert f == copy.deepcopy(f)
c = Complex(42j)
assert c == copy.copy(c)
assert c == copy.deepcopy(c)
PRETTY_STRINGS = {
k
% ("[1.0] {1.0} (1.0) #{1.0}",): v.format(
"""
hy.models.List([
hy.models.Float(1.0)]),
hy.models.Dict([
hy.models.Float(1.0) # odd
]),
hy.models.Expression([
hy.models.Float(1.0)]),
hy.models.Set([
hy.models.Float(1.0)])"""
)
for k, v in {"[%s]": "hy.models.List([{}])", "#{%s}": "hy.models.Set([{}])"}.items()
}
PRETTY_STRINGS.update(
{
"{[1.0] {1.0} (1.0) #{1.0}}": """hy.models.Dict([
hy.models.List([
hy.models.Float(1.0)]),
hy.models.Dict([
hy.models.Float(1.0) # odd
])
,
hy.models.Expression([
hy.models.Float(1.0)]),
hy.models.Set([
hy.models.Float(1.0)])
])""",
"[1.0 1j [] {} () #{}]": """hy.models.List([
hy.models.Float(1.0),
hy.models.Complex(1j),
hy.models.List(),
hy.models.Dict(),
hy.models.Expression(),
hy.models.Set()])""",
"{{1j 2j} {1j 2j [][1j]} {[1j][] 1j 2j} {[1j][1j]}}": """hy.models.Dict([
hy.models.Dict([
hy.models.Complex(1j), hy.models.Complex(2j)]),
hy.models.Dict([
hy.models.Complex(1j), hy.models.Complex(2j),
hy.models.List(),
hy.models.List([
hy.models.Complex(1j)])
])
,
hy.models.Dict([
hy.models.List([
hy.models.Complex(1j)]),
hy.models.List()
,
hy.models.Complex(1j), hy.models.Complex(2j)]),
hy.models.Dict([
hy.models.List([
hy.models.Complex(1j)]),
hy.models.List([
hy.models.Complex(1j)])
])
])""",
}
)
def test_compound_model_repr():
HY_LIST_MODELS = (Expression, Dict, Set, List)
with pretty(False):
for model in HY_LIST_MODELS:
assert eval(repr(model())).__class__ is model
assert eval(repr(model([1, 2]))) == model([1, 2])
assert eval(repr(model([1, 2, 3]))) == model([1, 2, 3])
for k, v in PRETTY_STRINGS.items():
# `str` should be pretty, even under `pretty(False)`.
assert str(hy.read(k)) == v
for k in PRETTY_STRINGS.keys():
assert eval(repr(hy.read(k))) == hy.read(k)
with pretty(True):
for model in HY_LIST_MODELS:
assert eval(repr(model())).__class__ is model
assert eval(repr(model([1, 2]))) == model([1, 2])
assert eval(repr(model([1, 2, 3]))) == model([1, 2, 3])
for k, v in PRETTY_STRINGS.items():
assert repr(hy.read(k)) == v
def test_recursive_model_detection():
"""Check for self-references:
https://github.com/hylang/hy/issues/2153
"""
self_ref_list = [1, 2, 3]
self_ref_dict = {1: 1, 2: 2}
self_ref_list[1] = self_ref_list
self_ref_dict[2] = self_ref_dict
mutually_ref_list = [1, 2, 3]
mutually_ref_dict = {1: 1, 2: 2}
mutually_ref_list[1] = mutually_ref_dict
mutually_ref_dict[2] = mutually_ref_list
for structure in [
self_ref_list,
self_ref_dict,
mutually_ref_list,
mutually_ref_dict,
]:
with pytest.raises(HyWrapperError) as exc:
as_model(structure)
assert "Self-referential" in str(exc)
|
