Files
agentci/tests/test_codegraph.py
StanPonomarev ce9f1e3d20
Publish container image / Build and push (push) Successful in 32s
refactor tests
2026-07-26 23:49:40 +02:00

152 lines
4.7 KiB
Python

import asyncio
from collections.abc import Sequence
from pathlib import Path
from typing import Any
import pytest
from agentci.integrations.codegraph import CodeGraph, CodeGraphError
class FakeProcess:
def __init__(self, returncode: int = 0, stderr: bytes = b"") -> None:
self.returncode = returncode
self.stderr = stderr
async def communicate(self) -> tuple[bytes, bytes]:
return b"", self.stderr
class CodeGraphProcessRecorder:
def __init__(self, outcomes: Sequence[FakeProcess | OSError]) -> None:
self.outcomes = list(outcomes)
self.calls: list[tuple[tuple[Any, ...], dict[str, Any]]] = []
async def __call__(self, *args: Any, **kwargs: Any) -> FakeProcess:
self.calls.append((args, kwargs))
outcome = self.outcomes.pop(0)
if isinstance(outcome, OSError):
raise outcome
return outcome
@property
def commands(self) -> list[tuple[Any, ...]]:
return [args for args, _ in self.calls]
def install_recorder(
monkeypatch: pytest.MonkeyPatch,
outcomes: Sequence[FakeProcess | OSError],
) -> CodeGraphProcessRecorder:
recorder = CodeGraphProcessRecorder(outcomes)
monkeypatch.setattr(
"agentci.integrations.codegraph.asyncio.create_subprocess_exec",
recorder,
)
return recorder
@pytest.mark.parametrize(
("database_exists", "initial_exclude", "expected_command", "expected_exclude"),
[
pytest.param(False, None, "init", ".codegraph/\n", id="incomplete-index"),
pytest.param(
True,
"# local excludes\n.codegraph/\n",
"sync",
"# local excludes\n.codegraph/\n",
id="existing-index",
),
],
)
async def test_prepare_selects_init_or_sync_and_updates_git_exclude(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
database_exists: bool,
initial_exclude: str | None,
expected_command: str,
expected_exclude: str,
) -> None:
workspace = tmp_path / "repo"
(workspace / ".git" / "info").mkdir(parents=True)
(workspace / ".codegraph").mkdir()
if database_exists:
(workspace / ".codegraph" / "codegraph.db").touch()
exclude = workspace / ".git" / "info" / "exclude"
if initial_exclude is not None:
exclude.write_text(initial_exclude)
recorder = install_recorder(monkeypatch, [FakeProcess()])
await CodeGraph().prepare(workspace)
assert recorder.commands == [("codegraph", expected_command, str(workspace))]
kwargs = recorder.calls[0][1]
assert kwargs["cwd"] == workspace
assert kwargs["env"]["CODEGRAPH_TELEMETRY"] == "0"
assert kwargs["stdout"] is asyncio.subprocess.PIPE
assert kwargs["stderr"] is asyncio.subprocess.PIPE
assert exclude.read_text() == expected_exclude
@pytest.mark.parametrize(
("initial", "expected"),
[
("*.pyc", "*.pyc\n.codegraph/\n"),
("# .codegraph/ is documented here\n", "# .codegraph/ is documented here\n.codegraph/\n"),
(" .codegraph/ \n", " .codegraph/ \n"),
],
)
async def test_handles_exclude_file_boundaries(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
initial: str,
expected: str,
) -> None:
workspace = tmp_path / "repo"
exclude = workspace / ".git" / "info" / "exclude"
exclude.parent.mkdir(parents=True)
exclude.write_text(initial)
install_recorder(monkeypatch, [FakeProcess()])
await CodeGraph().prepare(workspace)
assert exclude.read_text() == expected
async def test_reports_missing_executable(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
workspace = tmp_path / "repo"
workspace.mkdir()
install_recorder(
monkeypatch,
[FileNotFoundError(2, "No such file or directory", "codegraph")],
)
with pytest.raises(CodeGraphError, match="Could not run CodeGraph:.*codegraph") as raised:
await CodeGraph().prepare(workspace)
assert isinstance(raised.value.__cause__, FileNotFoundError)
assert (workspace / ".git" / "info" / "exclude").read_text() == ".codegraph/\n"
async def test_reports_nonzero_exit_with_bounded_non_utf8_stderr(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
workspace = tmp_path / "repo"
workspace.mkdir()
stderr = b"discarded-prefix" + (b"x" * 1200) + b"\xff useful-tail"
install_recorder(
monkeypatch,
[FakeProcess(returncode=7, stderr=stderr)],
)
with pytest.raises(CodeGraphError, match="codegraph init failed") as raised:
await CodeGraph().prepare(workspace)
message = str(raised.value)
assert "discarded-prefix" not in message
assert "useful-tail" in message
assert len(message.removeprefix("codegraph init failed: ")) == 1000