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anta/tests/units/test_models.py
Daniel Baumann ecf5ca3300
Adding upstream version 0.13.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-05 11:32:40 +01:00

472 lines
16 KiB
Python

# Copyright (c) 2023-2024 Arista Networks, Inc.
# Use of this source code is governed by the Apache License 2.0
# that can be found in the LICENSE file.
"""
test anta.models.py
"""
# Mypy does not understand AntaTest.Input typing
# mypy: disable-error-code=attr-defined
from __future__ import annotations
import asyncio
from typing import Any
import pytest
from anta.decorators import deprecated_test, skip_on_platforms
from anta.device import AntaDevice
from anta.models import AntaCommand, AntaTemplate, AntaTest
from tests.lib.fixture import DEVICE_HW_MODEL
from tests.lib.utils import generate_test_ids
class FakeTest(AntaTest):
"""ANTA test that always succeed"""
name = "FakeTest"
description = "ANTA test that always succeed"
categories = []
commands = []
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class FakeTestWithFailedCommand(AntaTest):
"""ANTA test with a command that failed"""
name = "FakeTestWithFailedCommand"
description = "ANTA test with a command that failed"
categories = []
commands = [AntaCommand(command="show version", errors=["failed command"])]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class FakeTestWithUnsupportedCommand(AntaTest):
"""ANTA test with an unsupported command"""
name = "FakeTestWithUnsupportedCommand"
description = "ANTA test with an unsupported command"
categories = []
commands = [AntaCommand(command="show hardware counter drop", errors=["Unavailable command (not supported on this hardware platform) (at token 2: 'counter')"])]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class FakeTestWithInput(AntaTest):
"""ANTA test with inputs that always succeed"""
name = "FakeTestWithInput"
description = "ANTA test with inputs that always succeed"
categories = []
commands = []
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
string: str
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.inputs.string)
class FakeTestWithTemplate(AntaTest):
"""ANTA test with template that always succeed"""
name = "FakeTestWithTemplate"
description = "ANTA test with template that always succeed"
categories = []
commands = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
return [template.render(interface=self.inputs.interface)]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateNoRender(AntaTest):
"""ANTA test with template that miss the render() method"""
name = "FakeTestWithTemplateNoRender"
description = "ANTA test with template that miss the render() method"
categories = []
commands = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
interface: str
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateBadRender1(AntaTest):
"""ANTA test with template that raises a AntaTemplateRenderError exception"""
name = "FakeTestWithTemplateBadRender"
description = "ANTA test with template that raises a AntaTemplateRenderError exception"
categories = []
commands = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
return [template.render(wrong_template_param=self.inputs.interface)]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateBadRender2(AntaTest):
"""ANTA test with template that raises an arbitrary exception"""
name = "FakeTestWithTemplateBadRender2"
description = "ANTA test with template that raises an arbitrary exception"
categories = []
commands = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
raise Exception() # pylint: disable=broad-exception-raised
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.instance_commands[0].command)
class SkipOnPlatformTest(AntaTest):
"""ANTA test that is skipped"""
name = "SkipOnPlatformTest"
description = "ANTA test that is skipped on a specific platform"
categories = []
commands = []
@skip_on_platforms([DEVICE_HW_MODEL])
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class UnSkipOnPlatformTest(AntaTest):
"""ANTA test that is skipped"""
name = "UnSkipOnPlatformTest"
description = "ANTA test that is skipped on a specific platform"
categories = []
commands = []
@skip_on_platforms(["dummy"])
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class SkipOnPlatformTestWithInput(AntaTest):
"""ANTA test skipped on platforms but with Input"""
name = "SkipOnPlatformTestWithInput"
description = "ANTA test skipped on platforms but with Input"
categories = []
commands = []
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
string: str
@skip_on_platforms([DEVICE_HW_MODEL])
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success(self.inputs.string)
class DeprecatedTestWithoutNewTest(AntaTest):
"""ANTA test that is deprecated without new test"""
name = "DeprecatedTestWitouthNewTest"
description = "ANTA test that is deprecated without new test"
categories = []
commands = []
@deprecated_test()
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
class DeprecatedTestWithNewTest(AntaTest):
"""ANTA test that is deprecated with new test."""
name = "DeprecatedTestWithNewTest"
description = "ANTA deprecated test with New Test"
categories = []
commands = []
@deprecated_test(new_tests=["NewTest"])
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
ANTATEST_DATA: list[dict[str, Any]] = [
{"name": "no input", "test": FakeTest, "inputs": None, "expected": {"__init__": {"result": "unset"}, "test": {"result": "success"}}},
{
"name": "extra input",
"test": FakeTest,
"inputs": {"string": "culpa! veniam quas quas veniam molestias, esse"},
"expected": {"__init__": {"result": "error", "messages": ["Extra inputs are not permitted"]}, "test": {"result": "error"}},
},
{
"name": "no input",
"test": FakeTestWithInput,
"inputs": None,
"expected": {"__init__": {"result": "error", "messages": ["Field required"]}, "test": {"result": "error"}},
},
{
"name": "wrong input type",
"test": FakeTestWithInput,
"inputs": {"string": 1},
"expected": {"__init__": {"result": "error", "messages": ["Input should be a valid string"]}, "test": {"result": "error"}},
},
{
"name": "good input",
"test": FakeTestWithInput,
"inputs": {"string": "culpa! veniam quas quas veniam molestias, esse"},
"expected": {"__init__": {"result": "unset"}, "test": {"result": "success", "messages": ["culpa! veniam quas quas veniam molestias, esse"]}},
},
{
"name": "good input",
"test": FakeTestWithTemplate,
"inputs": {"interface": "Ethernet1"},
"expected": {"__init__": {"result": "unset"}, "test": {"result": "success", "messages": ["show interface Ethernet1"]}},
},
{
"name": "wrong input type",
"test": FakeTestWithTemplate,
"inputs": {"interface": 1},
"expected": {"__init__": {"result": "error", "messages": ["Input should be a valid string"]}, "test": {"result": "error"}},
},
{
"name": "wrong render definition",
"test": FakeTestWithTemplateNoRender,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {
"result": "error",
"messages": ["AntaTemplate are provided but render() method has not been implemented for tests.units.test_models.FakeTestWithTemplateNoRender"],
},
"test": {"result": "error"},
},
},
{
"name": "AntaTemplateRenderError",
"test": FakeTestWithTemplateBadRender1,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {
"result": "error",
"messages": ["Cannot render template {template='show interface {interface}' version='latest' revision=None ofmt='json' use_cache=True}"],
},
"test": {"result": "error"},
},
},
{
"name": "Exception in render()",
"test": FakeTestWithTemplateBadRender2,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {
"result": "error",
"messages": ["Exception in tests.units.test_models.FakeTestWithTemplateBadRender2.render(): Exception"],
},
"test": {"result": "error"},
},
},
{
"name": "unskip on platforms",
"test": UnSkipOnPlatformTest,
"inputs": None,
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "success"},
},
},
{
"name": "skip on platforms, unset",
"test": SkipOnPlatformTest,
"inputs": None,
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "skipped"},
},
},
{
"name": "skip on platforms, not unset",
"test": SkipOnPlatformTestWithInput,
"inputs": None,
"expected": {"__init__": {"result": "error", "messages": ["Field required"]}, "test": {"result": "error"}},
},
{
"name": "deprecate test without new test",
"test": DeprecatedTestWithoutNewTest,
"inputs": None,
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "success"},
},
},
{
"name": "deprecate test with new test",
"test": DeprecatedTestWithNewTest,
"inputs": None,
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "success"},
},
},
{
"name": "failed command",
"test": FakeTestWithFailedCommand,
"inputs": None,
"expected": {"__init__": {"result": "unset"}, "test": {"result": "error", "messages": ["show version has failed: failed command"]}},
},
{
"name": "unsupported command",
"test": FakeTestWithUnsupportedCommand,
"inputs": None,
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "skipped", "messages": ["Skipped because show hardware counter drop is not supported on pytest"]},
},
},
]
class Test_AntaTest:
"""
Test for anta.models.AntaTest
"""
def test__init_subclass__name(self) -> None:
"""Test __init_subclass__"""
# Pylint detects all the classes in here as unused which is on purpose
# pylint: disable=unused-variable
with pytest.raises(NotImplementedError) as exec_info:
class WrongTestNoName(AntaTest):
"""ANTA test that is missing a name"""
description = "ANTA test that is missing a name"
categories = []
commands = []
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
assert exec_info.value.args[0] == "Class tests.units.test_models.WrongTestNoName is missing required class attribute name"
with pytest.raises(NotImplementedError) as exec_info:
class WrongTestNoDescription(AntaTest):
"""ANTA test that is missing a description"""
name = "WrongTestNoDescription"
categories = []
commands = []
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
assert exec_info.value.args[0] == "Class tests.units.test_models.WrongTestNoDescription is missing required class attribute description"
with pytest.raises(NotImplementedError) as exec_info:
class WrongTestNoCategories(AntaTest):
"""ANTA test that is missing categories"""
name = "WrongTestNoCategories"
description = "ANTA test that is missing categories"
commands = []
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
assert exec_info.value.args[0] == "Class tests.units.test_models.WrongTestNoCategories is missing required class attribute categories"
with pytest.raises(NotImplementedError) as exec_info:
class WrongTestNoCommands(AntaTest):
"""ANTA test that is missing commands"""
name = "WrongTestNoCommands"
description = "ANTA test that is missing commands"
categories = []
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
assert exec_info.value.args[0] == "Class tests.units.test_models.WrongTestNoCommands is missing required class attribute commands"
def _assert_test(self, test: AntaTest, expected: dict[str, Any]) -> None:
assert test.result.result == expected["result"]
if "messages" in expected:
for result_msg, expected_msg in zip(test.result.messages, expected["messages"]): # NOTE: zip(strict=True) has been added in Python 3.10
assert expected_msg in result_msg
@pytest.mark.parametrize("data", ANTATEST_DATA, ids=generate_test_ids(ANTATEST_DATA))
def test__init__(self, device: AntaDevice, data: dict[str, Any]) -> None:
"""Test the AntaTest constructor"""
expected = data["expected"]["__init__"]
test = data["test"](device, inputs=data["inputs"])
self._assert_test(test, expected)
@pytest.mark.parametrize("data", ANTATEST_DATA, ids=generate_test_ids(ANTATEST_DATA))
def test_test(self, device: AntaDevice, data: dict[str, Any]) -> None:
"""Test the AntaTest.test method"""
expected = data["expected"]["test"]
test = data["test"](device, inputs=data["inputs"])
asyncio.run(test.test())
self._assert_test(test, expected)
ANTATEST_BLACKLIST_DATA = ["reload", "reload --force", "write", "wr mem"]
@pytest.mark.parametrize("data", ANTATEST_BLACKLIST_DATA)
def test_blacklist(device: AntaDevice, data: str) -> None:
"""Test for blacklisting function."""
class FakeTestWithBlacklist(AntaTest):
"""Fake Test for blacklist"""
name = "FakeTestWithBlacklist"
description = "ANTA test that has blacklisted command"
categories = []
commands = [AntaCommand(command=data)]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
test_instance = FakeTestWithBlacklist(device)
# Run the test() method
asyncio.run(test_instance.test())
assert test_instance.result.result == "error"