139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
from pathlib import Path
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import pytest
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from agentci.codegraph import CodeGraph, CodeGraphError
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class FakeProcess:
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def __init__(self, returncode: int = 0, stderr: bytes = b"") -> None:
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self.returncode = returncode
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self.stderr = stderr
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async def communicate(self) -> tuple[bytes, bytes]:
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return b"", self.stderr
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async def test_initializes_incomplete_index_and_excludes_it_from_git(
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tmp_path: Path, monkeypatch
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) -> None:
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workspace = tmp_path / "repo"
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(workspace / ".git" / "info").mkdir(parents=True)
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(workspace / ".codegraph").mkdir()
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calls: list[tuple[object, ...]] = []
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async def create_subprocess_exec(*args, **_kwargs):
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calls.append(args)
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return FakeProcess()
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monkeypatch.setattr(
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"agentci.codegraph.asyncio.create_subprocess_exec",
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create_subprocess_exec,
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)
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await CodeGraph().prepare(workspace)
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assert calls == [("codegraph", "init", str(workspace))]
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assert (workspace / ".git" / "info" / "exclude").read_text() == ".codegraph/\n"
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async def test_syncs_an_existing_index_without_duplicating_exclude(
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tmp_path: Path, monkeypatch
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) -> None:
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workspace = tmp_path / "repo"
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(workspace / ".git" / "info").mkdir(parents=True)
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(workspace / ".codegraph").mkdir()
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(workspace / ".codegraph" / "codegraph.db").touch()
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exclude = workspace / ".git" / "info" / "exclude"
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exclude.write_text("# local excludes\n.codegraph/\n")
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calls: list[tuple[object, ...]] = []
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async def create_subprocess_exec(*args, **_kwargs):
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calls.append(args)
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return FakeProcess()
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monkeypatch.setattr(
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"agentci.codegraph.asyncio.create_subprocess_exec",
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create_subprocess_exec,
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)
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await CodeGraph().prepare(workspace)
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assert calls == [("codegraph", "sync", str(workspace))]
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assert exclude.read_text() == "# local excludes\n.codegraph/\n"
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@pytest.mark.parametrize(
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("initial", "expected"),
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[
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("*.pyc", "*.pyc\n.codegraph/\n"),
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("# .codegraph/ is documented here\n", "# .codegraph/ is documented here\n.codegraph/\n"),
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(" .codegraph/ \n", " .codegraph/ \n"),
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],
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)
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async def test_handles_exclude_file_boundaries(
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tmp_path: Path,
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monkeypatch: pytest.MonkeyPatch,
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initial: str,
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expected: str,
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) -> None:
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workspace = tmp_path / "repo"
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exclude = workspace / ".git" / "info" / "exclude"
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exclude.parent.mkdir(parents=True)
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exclude.write_text(initial)
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async def create_subprocess_exec(*_args, **_kwargs):
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return FakeProcess()
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monkeypatch.setattr(
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"agentci.codegraph.asyncio.create_subprocess_exec",
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create_subprocess_exec,
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)
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await CodeGraph().prepare(workspace)
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assert exclude.read_text() == expected
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async def test_reports_missing_executable(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
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workspace = tmp_path / "repo"
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workspace.mkdir()
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async def create_subprocess_exec(*_args, **_kwargs):
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raise FileNotFoundError(2, "No such file or directory", "codegraph")
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monkeypatch.setattr(
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"agentci.codegraph.asyncio.create_subprocess_exec",
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create_subprocess_exec,
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)
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with pytest.raises(CodeGraphError, match="Could not run CodeGraph:.*codegraph") as raised:
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await CodeGraph().prepare(workspace)
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assert isinstance(raised.value.__cause__, FileNotFoundError)
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assert (workspace / ".git" / "info" / "exclude").read_text() == ".codegraph/\n"
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async def test_reports_nonzero_exit_with_bounded_non_utf8_stderr(
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tmp_path: Path, monkeypatch: pytest.MonkeyPatch
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) -> None:
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workspace = tmp_path / "repo"
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workspace.mkdir()
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stderr = b"discarded-prefix" + (b"x" * 1200) + b"\xff useful-tail"
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async def create_subprocess_exec(*_args, **_kwargs):
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return FakeProcess(returncode=7, stderr=stderr)
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monkeypatch.setattr(
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"agentci.codegraph.asyncio.create_subprocess_exec",
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create_subprocess_exec,
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)
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with pytest.raises(CodeGraphError, match="codegraph init failed") as raised:
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await CodeGraph().prepare(workspace)
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message = str(raised.value)
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assert "discarded-prefix" not in message
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assert "useful-tail" in message
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assert len(message.removeprefix("codegraph init failed: ")) == 1000
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