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from mu4web.util import (
MutableString,
chain,
cwd,
find,
force,
split_path,
)
import os
from tempfile import TemporaryDirectory
from math import sqrt
import pytest
def test_split_path() -> None:
assert split_path("/home/hugo/test/something") == ['home', 'hugo', 'test', 'something']
def test_find(maildir: str) -> None:
assert sorted([split_path(p)[-3:] for p in find(maildir, type='f')]) == [
[b'mail', b'cur', b'1691189956.3013485_5.gandalf:2,RS'],
[b'mail', b'cur', b'1691189958.3013485_7.gandalf:2,S'],
[b'mail', b'cur', b'1691314589.3192599_3.gandalf:2,S']]
assert sorted([split_path(p)[-1] for p in find(maildir, type='d')]) \
== [b'cur', b'mail', b'new', b'tmp']
def test_cwd() -> None:
outer = os.getcwd()
with TemporaryDirectory() as dir:
with cwd(dir):
assert os.getcwd() == dir
assert outer == os.getcwd()
def test_chain() -> None:
assert (chain(range(9))
@ sum # type: ignore
@ sqrt).value == 6.0 # type: ignore
def test_force() -> None:
assert force(1) == 1
with pytest.raises(AssertionError):
force(None)
def test_mutable_string() -> None:
def inner(s: str | MutableString, msg: str) -> None:
s += msg
s1: str = ''
s2: MutableString = MutableString()
inner(s1, "Hello")
inner(s1, "World")
inner(s2, "Hello")
inner(s2, "World")
# Control with regular string, to ensure that we actually mutate
# the variable value, and not just the variable.
assert s1 == ''
assert str(s2) == "HelloWorld"
assert repr(s2) == 'MutableString("HelloWorld")'
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