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anta/tests/units/test_models.py
Daniel Baumann 2044ea6182
Merging upstream version 1.1.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-05 11:54:55 +01:00

715 lines
26 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
import sys
from typing import TYPE_CHECKING, Any, ClassVar
import pytest
from anta.decorators import deprecated_test, skip_on_platforms
from anta.models import AntaCommand, AntaTemplate, AntaTest
from anta.result_manager.models import AntaTestStatus
from tests.units.anta_tests.conftest import build_test_id
from tests.units.conftest import DEVICE_HW_MODEL
if TYPE_CHECKING:
from anta.device import AntaDevice
class FakeTest(AntaTest):
"""ANTA test that always succeed."""
name = "FakeTest"
description = "ANTA test that always succeed"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaCommand(command="show version", errors=["failed command"])]
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
self.result.is_success()
class FakeTestWithUnsupportedCommand(AntaTest):
"""ANTA test with an unsupported command."""
name = "FakeTestWithUnsupportedCommand"
description = "ANTA test with an unsupported command"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [
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:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
class Input(AntaTest.Input):
"""Inputs for FakeTestWithInput test."""
string: str
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplate test."""
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
"""Render function."""
return [template.render(interface=self.inputs.interface)]
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplateNoRender test."""
interface: str
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplateBadRender1 test."""
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
"""Render function."""
return [template.render(wrong_template_param=self.inputs.interface)]
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateBadRender2(AntaTest):
"""ANTA test with template that raises an arbitrary exception in render()."""
name = "FakeTestWithTemplateBadRender2"
description = "ANTA test with template that raises an arbitrary exception in render()"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplateBadRender2 test."""
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
"""Render function."""
raise RuntimeError(template)
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateBadRender3(AntaTest):
"""ANTA test with template that gives extra template parameters in render()."""
name = "FakeTestWithTemplateBadRender3"
description = "ANTA test with template that gives extra template parameters in render()"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplateBadRender3 test."""
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
"""Render function."""
return [template.render(interface=self.inputs.interface, extra="blah")]
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
self.result.is_success(self.instance_commands[0].command)
class FakeTestWithTemplateBadTest(AntaTest):
"""ANTA test with template that tries to access an undefined template parameter in test()."""
name = "FakeTestWithTemplateBadTest"
description = "ANTA test with template that tries to access an undefined template parameter in test()"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaTemplate(template="show interface {interface}")]
class Input(AntaTest.Input):
"""Inputs for FakeTestWithTemplateBadTest test."""
interface: str
def render(self, template: AntaTemplate) -> list[AntaCommand]:
"""Render function."""
return [template.render(interface=self.inputs.interface)]
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
# The following line must raise AttributeError at runtime
self.result.is_success(self.instance_commands[0].params.wrong_template_param)
class SkipOnPlatformTest(AntaTest):
"""ANTA test that is skipped."""
name = "SkipOnPlatformTest"
description = "ANTA test that is skipped on a specific platform"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@skip_on_platforms([DEVICE_HW_MODEL])
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@skip_on_platforms(["dummy"])
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
class Input(AntaTest.Input):
"""Inputs for SkipOnPlatformTestWithInput test."""
string: str
@skip_on_platforms([DEVICE_HW_MODEL])
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@deprecated_test()
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@deprecated_test(new_tests=["NewTest"])
@AntaTest.anta_test
def test(self) -> None:
"""Test function."""
self.result.is_success()
class FakeTestWithMissingTest(AntaTest):
"""ANTA test with missing test() method implementation."""
name = "FakeTestWithMissingTest"
description = "ANTA test with missing test() method implementation"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
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": "RuntimeError in render()",
"test": FakeTestWithTemplateBadRender2,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {
"result": "error",
"messages": ["Exception in tests.units.test_models.FakeTestWithTemplateBadRender2.render(): RuntimeError"],
},
"test": {"result": "error"},
},
},
{
"name": "Extra template parameters in render()",
"test": FakeTestWithTemplateBadRender3,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {
"result": "error",
"messages": [
"Exception in tests.units.test_models.FakeTestWithTemplateBadRender3.render(): ValidationError: 1 validation error for AntaParams\n"
"extra\n"
" Extra inputs are not permitted [type=extra_forbidden, input_value='blah', input_type=str]\n"
],
},
"test": {"result": "error"},
},
},
{
"name": "Access undefined template param in test()",
"test": FakeTestWithTemplateBadTest,
"inputs": {"interface": "Ethernet1"},
"expected": {
"__init__": {"result": "unset"},
"test": {"result": "error", "messages": ["AttributeError: 'AntaParams' object has no attribute 'wrong_template_param'"]},
},
},
{
"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": ["'show hardware counter drop' is not supported on pytest"],
},
},
},
]
BLACKLIST_COMMANDS_PARAMS = ["reload", "reload --force", "write", "wr mem"]
class TestAntaTest:
"""Test for anta.models.AntaTest."""
def test__init_subclass__(self) -> None:
"""Test __init_subclass__."""
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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@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: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = []
@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: ClassVar[list[AntaCommand | AntaTemplate]] = []
@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: ClassVar[list[str]] = []
@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 test_abc(self) -> None:
"""Test that an error is raised if AntaTest is not implemented."""
with pytest.raises(TypeError) as exec_info:
FakeTestWithMissingTest() # type: ignore[abstract,call-arg]
msg = (
"Can't instantiate abstract class FakeTestWithMissingTest without an implementation for abstract method 'test'"
if sys.version_info >= (3, 12)
else "Can't instantiate abstract class FakeTestWithMissingTest with abstract method test"
)
assert exec_info.value.args[0] == msg
def _assert_test(self, test: AntaTest, expected: dict[str, Any]) -> None:
assert test.result.result == expected["result"]
if "messages" in expected:
assert len(test.result.messages) == len(expected["messages"])
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=build_test_id)
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=build_test_id)
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)
@pytest.mark.parametrize("command", BLACKLIST_COMMANDS_PARAMS)
def test_blacklist(self, device: AntaDevice, command: str) -> None:
"""Test that blacklisted commands are not collected."""
class FakeTestWithBlacklist(AntaTest):
"""Fake Test for blacklist."""
name = "FakeTestWithBlacklist"
description = "ANTA test that has blacklisted command"
categories: ClassVar[list[str]] = []
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaCommand(command=command)]
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
test = FakeTestWithBlacklist(device)
asyncio.run(test.test())
assert test.result.result == AntaTestStatus.ERROR
assert f"<{command}> is blocked for security reason" in test.result.messages
assert test.instance_commands[0].collected is False
def test_result_overwrite(self, device: AntaDevice) -> None:
"""Test the AntaTest.Input.ResultOverwrite model."""
test = FakeTest(device, inputs={"result_overwrite": {"categories": ["hardware"], "description": "a description", "custom_field": "a custom field"}})
asyncio.run(test.test())
assert test.result.result == AntaTestStatus.SUCCESS
assert "hardware" in test.result.categories
assert test.result.description == "a description"
assert test.result.custom_field == "a custom field"
class TestAntaComamnd:
"""Test for anta.models.AntaCommand."""
# ruff: noqa: B018
def test_empty_output_access(self) -> None:
"""Test for both json and text ofmt."""
json_cmd = AntaCommand(command="show dummy")
text_cmd = AntaCommand(command="show dummy", ofmt="text")
msg = "There is no output for command 'show dummy'"
with pytest.raises(RuntimeError, match=msg):
json_cmd.json_output
with pytest.raises(RuntimeError, match=msg):
text_cmd.text_output
def test_wrong_format_output_access(self) -> None:
"""Test for both json and text ofmt."""
json_cmd = AntaCommand(command="show dummy", output={})
json_cmd_2 = AntaCommand(command="show dummy", output="not_json")
text_cmd = AntaCommand(command="show dummy", ofmt="text", output="blah")
text_cmd_2 = AntaCommand(command="show dummy", ofmt="text", output={"not_a": "string"})
msg = "Output of command 'show dummy' is invalid"
with pytest.raises(RuntimeError, match=msg):
json_cmd.text_output
with pytest.raises(RuntimeError, match=msg):
text_cmd.json_output
with pytest.raises(RuntimeError, match=msg):
json_cmd_2.text_output
with pytest.raises(RuntimeError, match=msg):
text_cmd_2.json_output
def test_supported(self) -> None:
"""Test the supported property."""
command = AntaCommand(command="show hardware counter drop", errors=["Unavailable command (not supported on this hardware platform) (at token 2: 'counter')"])
assert command.supported is False
command = AntaCommand(
command="show hardware counter drop", output={"totalAdverseDrops": 0, "totalCongestionDrops": 0, "totalPacketProcessorDrops": 0, "dropEvents": {}}
)
assert command.supported is True
command = AntaCommand(command="show hardware counter drop")
with pytest.raises(RuntimeError) as exec_info:
command.supported
assert exec_info.value.args[0] == "Command 'show hardware counter drop' has not been collected and has not returned an error. Call AntaDevice.collect()."
def test_requires_privileges(self) -> None:
"""Test the requires_privileges property."""
command = AntaCommand(command="show aaa methods accounting", errors=["Invalid input (privileged mode required)"])
assert command.requires_privileges is True
command = AntaCommand(
command="show aaa methods accounting",
output={
"commandsAcctMethods": {"privilege0-15": {"defaultMethods": [], "consoleMethods": []}},
"execAcctMethods": {"exec": {"defaultMethods": [], "consoleMethods": []}},
"systemAcctMethods": {"system": {"defaultMethods": [], "consoleMethods": []}},
"dot1xAcctMethods": {"dot1x": {"defaultMethods": [], "consoleMethods": []}},
},
)
assert command.requires_privileges is False
command = AntaCommand(command="show aaa methods accounting")
with pytest.raises(RuntimeError) as exec_info:
command.requires_privileges
assert exec_info.value.args[0] == "Command 'show aaa methods accounting' has not been collected and has not returned an error. Call AntaDevice.collect()."