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"""Tests for utils.py"""
from external.bazel_python.pytest_helper import main
import runtime.utils as utils
def test_freeze_thaw_dict():
"""Tests freezedict/thawdict."""
x = dict({"hello": "there"})
assert utils.thawdict(utils.freezedict(x)) == x
assert isinstance(utils.freezedict(x), tuple)
def test_is_empty():
"""Tests is_empty(...)."""
assert utils.is_empty(x for x in range(0))
assert not utils.is_empty(x for x in range(5))
def test_translator():
"""Tests the Translator class."""
translator = utils.Translator(dict({
"hello": "bonjour",
"why": "porquoi",
"what": "quoi",
}))
assert translator.translate("hello") == "bonjour"
assert translator.translate("Matthew") == "Matthew"
assert (translator.translate_tuple(("hello", "Matthew"))
== ("bonjour", "Matthew"))
assert (translator.translate_tuples([("hello", "Matthew"),
("why", "what")])
== [("bonjour", "Matthew"), ("porquoi", "quoi")])
assert (translator.translate_list(["hello", "Matthew"])
== ["bonjour", "Matthew"])
composed = translator.compose(dict({
"bonjour": "salam",
"porquoi": "chera",
"merci": "merci",
}))
assert composed == dict({"hello": "salam", "why": "chera"})
composed = translator.compose(dict({
"bonjour": "salam",
"porquoi": "chera",
"merci": "merci",
}), default_identity=True)
assert composed == dict({"hello": "salam", "why": "chera", "what": "quoi"})
concatenated = translator.concatenated_with(dict({
"thanks": "merci",
}))
assert concatenated == dict({
"hello": "bonjour",
"why": "porquoi",
"what": "quoi",
"thanks": "merci",
})
def test_real_hash():
"""Regression test for the real_hash method."""
truth = "ff42aa4718d9da1c7d491e8be8116f0c62db8d910de16e8ee0648147"
assert utils.real_hash(dict({"hello": "there"})) == truth
try:
# We don't yet support tuples, it should throw a NIE.
utils.real_hash(("hi", "hello"))
except NotImplementedError:
pass
else:
assert False
main(__name__, __file__)
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