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"""Implementation of NameRule."""
from __future__ import annotations
import re
import sys
from copy import deepcopy
from typing import TYPE_CHECKING, Any
from ansiblelint.constants import LINE_NUMBER_KEY
from ansiblelint.errors import MatchError
from ansiblelint.rules import AnsibleLintRule
if TYPE_CHECKING:
from ansiblelint.file_utils import Lintable # noqa: F811
class NameRule(AnsibleLintRule):
"""Rule for checking task and play names."""
id = "name"
description = (
"All tasks and plays should have a distinct name for readability "
"and for ``--start-at-task`` to work"
)
severity = "MEDIUM"
tags = ["idiom"]
version_added = "v6.9.1 (last update)"
_re_templated_inside = re.compile(r".*\{\{.*\}\}.*\w.*$")
def matchplay(self, file: Lintable, data: dict[str, Any]) -> list[MatchError]:
"""Return matches found for a specific play (entry in playbook)."""
results = []
if file.kind != "playbook":
return []
if "name" not in data:
return [
self.create_matcherror(
message="All plays should be named.",
linenumber=data[LINE_NUMBER_KEY],
tag="name[play]",
filename=file,
)
]
results.extend(
self._check_name(
data["name"], lintable=file, linenumber=data[LINE_NUMBER_KEY]
)
)
return results
def matchtask(
self, task: dict[str, Any], file: Lintable | None = None
) -> list[MatchError]:
results = []
name = task.get("name")
if not name:
results.append(
self.create_matcherror(
message="All tasks should be named.",
linenumber=task[LINE_NUMBER_KEY],
tag="name[missing]",
filename=file,
)
)
else:
results.extend(
self._prefix_check(
name, lintable=file, linenumber=task[LINE_NUMBER_KEY]
)
)
return results
def _prefix_check(
self, name: str, lintable: Lintable | None, linenumber: int
) -> list[MatchError]:
results: list[MatchError] = []
effective_name = name
if lintable is None:
return []
if not results:
results.extend(
self._check_name(
effective_name, lintable=lintable, linenumber=linenumber
)
)
return results
def _check_name(
self, name: str, lintable: Lintable | None, linenumber: int
) -> list[MatchError]:
# This rules applies only to languages that do have uppercase and
# lowercase letter, so we ignore anything else. On Unicode isupper()
# is not necessarily the opposite of islower()
results = []
# stage one check prefix
effective_name = name
if self._collection and lintable:
prefix = self._collection.options.task_name_prefix.format(
stem=lintable.path.stem
)
if lintable.kind == "tasks" and lintable.path.stem != "main":
if not name.startswith(prefix):
# For the moment in order to raise errors this rule needs to be
# enabled manually. Still, we do allow use of prefixes even without
# having to enable the rule.
if "name[prefix]" in self._collection.options.enable_list:
results.append(
self.create_matcherror(
message=f"Task name should start with '{prefix}'.",
linenumber=linenumber,
tag="name[prefix]",
filename=lintable,
)
)
return results
else:
effective_name = name[len(prefix) :]
if (
effective_name[0].isalpha()
and effective_name[0].islower()
and not effective_name[0].isupper()
):
results.append(
self.create_matcherror(
message="All names should start with an uppercase letter.",
linenumber=linenumber,
tag="name[casing]",
filename=lintable,
)
)
if self._re_templated_inside.match(name):
results.append(
self.create_matcherror(
message="Jinja templates should only be at the end of 'name'",
linenumber=linenumber,
tag="name[template]",
filename=lintable,
)
)
return results
if "pytest" in sys.modules: # noqa: C901
from ansiblelint.config import options
from ansiblelint.file_utils import Lintable # noqa: F811
from ansiblelint.rules import RulesCollection
from ansiblelint.runner import Runner
def test_file_positive() -> None:
"""Positive test for unnamed-task."""
collection = RulesCollection()
collection.register(NameRule())
success = "examples/playbooks/rule-name-missing-pass.yml"
good_runner = Runner(success, rules=collection)
assert [] == good_runner.run()
def test_file_negative() -> None:
"""Negative test for unnamed-task."""
collection = RulesCollection()
collection.register(NameRule())
failure = "examples/playbooks/rule-name-missing-fail.yml"
bad_runner = Runner(failure, rules=collection)
errs = bad_runner.run()
assert len(errs) == 5
def test_name_prefix_negative() -> None:
"""Negative test for unnamed-task."""
custom_options = deepcopy(options)
custom_options.enable_list = ["name[prefix]"]
collection = RulesCollection(options=custom_options)
collection.register(NameRule())
failure = Lintable(
"examples/playbooks/tasks/rule-name-prefix-fail.yml", kind="tasks"
)
bad_runner = Runner(failure, rules=collection)
results = bad_runner.run()
assert len(results) == 3
# , "\n".join(results)
assert results[0].tag == "name[casing]"
assert results[1].tag == "name[prefix]"
assert results[2].tag == "name[prefix]"
def test_rule_name_lowercase() -> None:
"""Negative test for a task that starts with lowercase."""
collection = RulesCollection()
collection.register(NameRule())
failure = "examples/playbooks/rule-name-casing.yml"
bad_runner = Runner(failure, rules=collection)
errs = bad_runner.run()
assert len(errs) == 1
assert errs[0].tag == "name[casing]"
assert errs[0].rule.id == "name"
def test_name_play() -> None:
"""Positive test for name[play]."""
collection = RulesCollection()
collection.register(NameRule())
success = "examples/playbooks/rule-name-play-fail.yml"
errs = Runner(success, rules=collection).run()
assert len(errs) == 1
assert errs[0].tag == "name[play]"
assert errs[0].rule.id == "name"
def test_name_template() -> None:
"""Negative test for name[templated]."""
collection = RulesCollection()
collection.register(NameRule())
failure = "examples/playbooks/rule-name-templated-fail.yml"
bad_runner = Runner(failure, rules=collection)
errs = bad_runner.run()
assert len(errs) == 1
assert errs[0].tag == "name[template]"
|
