Cheat sheet

Basic `nose` to `pytest` conversion table

Function	Statement
assert_true(a[, msg])	assert a[, msg]
assert_false(a[, msg])	assert not a[, msg]
assert_is_none(a[, msg])	assert a is None[, msg]
assert_is_not_none(a[, msg])	assert a is not None[, msg]
assert_equal(a,b[, msg])	assert a == b[, msg]
assert_not_equal(a,b[, msg])	assert a != b[, msg]
assert_list_equal(a,b[, msg])	assert a == b[, msg]
assert_dict_equal(a,b[, msg])	assert a == b[, msg]
assert_set_equal(a,b[, msg])	assert a == b[, msg]
assert_sequence_equal(a,b[, msg])	assert a == b[, msg]
assert_tuple_equal(a,b[, msg])	assert a == b[, msg]
assert_multi_line_equal(a,b[, msg])	assert a == b[, msg]
assert_greater(a,b[, msg])	assert a > b[, msg]
assert_greater_equal(a,b[, msg])	assert a >= b[, msg]
assert_less(a,b[, msg])	assert a < b[, msg]
assert_less_equal(a,b[, msg])	assert a <= b[, msg]
assert_in(a,b[, msg])	assert a in b[, msg]
assert_not_in(a,b[, msg])	assert a not in b[, msg]
assert_is(a,b[, msg])	assert a is b[, msg]
assert_is_not(a,b[, msg])	assert a is not b[, msg]
assert_is_instance(a,b[, msg])	assert isinstance(a, b)[, msg]
assert_count_equal(a,b[, msg])	assert collections.Counter(a) == collections.Counter(b)[, msg]
assert_not_regex(a,b[, msg])	assert not re.search(b, a)[, msg]
assert_regex(a,b[, msg])	assert re.search(b, a)[, msg]
assert_almost_equal(a,b[, msg])	assert a == pytest.approx(b, abs=1e-7)[, msg]
assert_almost_equal(a,b, delta[, msg])	assert a == pytest.approx(b, abs=delta)[, msg]
assert_almost_equal(a, b, places[, msg])	assert a == pytest.approx(b, abs=1e-places)[, msg]
assert_not_almost_equal(a,b[, msg])	assert a != pytest.approx(b, abs=1e-7)[, msg]
assert_not_almost_equal(a,b, delta[, msg])	assert a != pytest.approx(b, abs=delta)[, msg]
assert_not_almost_equal(a,b, places[, msg])	assert a != pytest.approx(b, abs=1e-places)[, msg]

Cheat sheet

Basic nose to pytest conversion table

Basic `nose` to `pytest` conversion table

Unit tests - migrate from nose to pytest #264

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Unit tests - migrate from `nose` to `pytest` #264