smbmc/tests/unit/test_util.py

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2020-10-31 16:57:30 +00:00
"""Unit tests for utility functions."""
import pytest
from smbmc.util import contains_duplicates
from smbmc.util import contains_valid_items
from smbmc.util import extract_xml_attr
from smbmc.util import hex_signed_int
from smbmc.util import signed_int
from smbmc.util import ten_bit_str
@pytest.mark.parametrize(
"items,expected_result",
[
(
["first", "second", "third"],
False,
),
(
["duplicate", "duplicate", "duplicate"],
True,
),
],
)
def test_contains_duplicates(items, expected_result):
"""Check if duplicates are correctly detected.
Args:
items: Array of items to check.
expected_result: Boolean value representing duplicate status.
"""
assert contains_duplicates(items) is expected_result
@pytest.mark.parametrize(
"allowed_items,items,expected_result",
[
(
["bang-a-rang!", "rufiooooo!"],
["definitely not rufio!"],
False,
),
(
["1", "2", "3"],
["2", "3"],
True,
),
],
)
def test_contains_valid_items(allowed_items, items, expected_result):
"""Check if valid/invalid items are correctly detected.
Args:
allowed_items: Array of items allowed to be present.
items: Array of items to check.
expected_result: Boolean value representing validity of items array.
"""
assert contains_valid_items(allowed_items, items) is expected_result
@pytest.mark.parametrize(
"unsigned_value,signed_bit,signed_value",
[
(129, 8, -127),
(874, 10, -150),
(200, 0, 200),
(7, 4, 7),
],
)
def test_signed_int(unsigned_value, signed_bit, signed_value):
"""Check conversion of unsigned -> signed integers.
Args:
unsigned_value: Unsigned integer.
signed_bit: Bit representing integer length, e.g. 8 = 8-bit integer.
signed_value: Signed integer representing expected result.
"""
assert signed_int(unsigned_value, signed_bit) == signed_value
@pytest.mark.parametrize(
"unsigned_string,signed_bit,hex_string",
[
("10", 0, "0x10"),
("120", 8, "0x20"),
],
)
def test_hex_signed_int(unsigned_string, signed_bit, hex_string):
"""Check conversion of unsigned strings to signed integers stored as hex strings.
Args:
unsigned_string: Unsigned integer stored as a string.
signed_bit: Bit representing integer length.
hex_string: Signed integer stored as a hex string.
"""
assert hex_signed_int(unsigned_string, signed_bit) == hex_string
@pytest.mark.parametrize(
"two_byte_string,ten_bit_int",
[
("FF", 768),
("AB", 512),
("200", 2),
("0x200", 2),
],
)
def test_ten_bit_str(two_byte_string, ten_bit_int):
"""Check conversion of 16-bit hexadecimal strings to 10-bit integers.
Args:
two_byte_string: Hexadecimal string representing an integer value to convert.
ten_bit_int: Integer representing 10-bit result.
"""
assert ten_bit_str(two_byte_string) == ten_bit_int
@pytest.mark.parametrize(
"xml_file,selector,expected_length",
[
(
"ipmi_response_sensors",
".//SENSOR",
28,
),
(
"ipmi_response_sensors",
".//NOT_A_SENSOR",
0,
),
(
"ipmi_response_sel",
".//SEL",
6,
),
(
"ipmi_response_pmbus",
".//PSItem",
4,
),
(
"ipmi_response_pmbus",
".//PSInfo",
1,
),
],
)
def test_extract_xml(xml_file, selector, expected_length):
"""Ensure that specific selectors are extracted.
Args:
xml_file: XML file containing an IPMI response.
selector: XML Selector used to match specific sub-element(s).
expected_length: Quantity of expected sub-element(s).
"""
xml_string = open(f"tests/unit/{xml_file}.xml").read()
extracted_list = extract_xml_attr(xml_string, selector)
assert extracted_list is not None
assert len(extracted_list) == expected_length