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79 lines
2.4 KiB
79 lines
2.4 KiB
# pylint: disable=redefined-outer-name
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import os
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import shutil
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import tempfile
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from pathlib import Path
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from contextlib import contextmanager
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from filelock import FileLock
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from solc_select import solc_select
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import pytest
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from slither import Slither
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def pytest_configure(config):
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"""Create a temporary directory for the tests to use."""
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if is_master():
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config.stash["shared_directory"] = tempfile.mkdtemp()
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def pytest_unconfigure(config):
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"""Remove the temporary directory after the tests are done."""
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if is_master():
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shutil.rmtree(config.stash["shared_directory"])
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def pytest_configure_node(node):
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"""Configure each worker node with the shared directory."""
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node.workerinput["shared_directory"] = node.config.stash["shared_directory"]
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def is_master():
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"""Returns True if the current process is the master process (which does not have a worker id)."""
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return os.environ.get("PYTEST_XDIST_WORKER") is None
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@pytest.fixture
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def shared_directory(request):
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"""Returns the shared directory for the current process."""
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if is_master():
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return request.config.stash["shared_directory"]
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return request.config.workerinput["shared_directory"]
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@pytest.fixture
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def solc_binary_path(shared_directory):
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"""
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Returns the path to the solc binary for the given version.
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If the binary is not installed, it will be installed.
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"""
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def inner(version):
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lock = FileLock(f"{shared_directory}/{version}.lock", timeout=60)
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with lock:
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if not solc_select.artifact_path(version).exists():
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print("Installing solc version", version)
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solc_select.install_artifacts([version])
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return solc_select.artifact_path(version).as_posix()
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return inner
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@pytest.fixture
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def slither_from_source(solc_binary_path):
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@contextmanager
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def inner(source_code: str, solc_version: str = "0.8.19"):
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"""Yields a Slither instance using source_code string and solc_version.
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Creates a temporary file and compiles with solc_version.
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"""
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fname = ""
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try:
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with tempfile.NamedTemporaryFile(mode="w", suffix=".sol", delete=False) as f:
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fname = f.name
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f.write(source_code)
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solc_path = solc_binary_path(solc_version)
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yield Slither(fname, solc=solc_path)
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finally:
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Path(fname).unlink()
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return inner
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