eldritch horrors
1df00b7db0
handling of alternate lock file locations Change-Id: I402fa3b1a48805e571eecc6772f2656e93c68086
129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
from pathlib import Path
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import pytest
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from testlib.fixtures.nix import Nix
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from testlib.fixtures.env import ManagedEnv
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from testlib.fixtures.git import Git
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from testlib.utils import get_global_asset_pack
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from testlib.fixtures.file_helper import File, FileDeclaration, _init_files # noqa: PLC2701
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from testlib.environ import environ
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from .common import simple_flake
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system = environ.get("system")
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def dotgit_other_branch() -> FileDeclaration:
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result = get_global_asset_pack(".git")
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result[".git"]["HEAD"] = File("ref: refs/heads/other-branch")
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return result
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@pytest.fixture(autouse=True)
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def setup_env(nix: Nix):
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nix.settings.add_xp_feature("nix-command", "flakes")
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flake1_files = {"flake1": get_global_asset_pack(".git") | simple_flake()}
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flake2_files = {
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"flake2": dotgit_other_branch()
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| {
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"flake.nix": File(f"""{{
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description = "Fnord";
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outputs = {{ self, flake1 }}: rec {{
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packages.{system}.bar = flake1.packages.{system}.foo;
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}};
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}}""")
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}
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}
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def _make_flake_repo(
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name: str, files: FileDeclaration, git: Git, env: ManagedEnv, request: pytest.FixtureRequest
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) -> Path:
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_init_files(files, env.dirs.test_root, request.path.parent, env)
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repo = env.dirs.test_root / name
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git(repo, "add", ".")
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git(repo, "commit", "-m", "Initial")
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return repo
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@pytest.fixture
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def flake1(git: Git, env: ManagedEnv, request: pytest.FixtureRequest) -> Path:
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return _make_flake_repo("flake1", flake1_files, git, env, request)
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@pytest.fixture
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def flake2(git: Git, env: ManagedEnv, request: pytest.FixtureRequest) -> Path:
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return _make_flake_repo("flake2", flake2_files, git, env, request)
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@pytest.fixture
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def registry(nix: Nix, flake1: Path, flake2: Path) -> Path: # noqa: ARG001
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registry = nix.env.dirs.test_root / "registry.json"
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nix.settings.flake_registry = str(registry)
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# Construct a custom registry, additionally test the --registry flag
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nix.nix(
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["registry", "add", "--registry", registry, "flake1", f"git+file://{flake1}"]
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).run().ok()
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return registry
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class TestAlternateLockFiles:
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@pytest.fixture(autouse=True)
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def init(self, nix: Nix, flake1: Path, flake2: Path, registry: Path, git: Git): # noqa: ARG002
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git(flake1, "commit", "--allow-empty", "-m", "to change branch head")
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nix.nix(["flake", "lock", flake2]).run().ok()
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def test_other_lockfile_is_identical(self, nix: Nix, flake2: Path):
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nix.nix(["flake", "lock", flake2, "--output-lock-file", "flake2.lock"]).run().ok()
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assert (nix.env.dirs.home / "flake2.lock").read_text() == (
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flake2 / "flake.lock"
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).read_text()
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def test_input_overrides_change_lockfiles(self, nix: Nix, flake1: Path, flake2: Path, git: Git):
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flake1_original_commit = git(flake1, "rev-parse", "HEAD").stdout_s.strip()
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nix.nix(
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[
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"flake",
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"lock",
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flake2,
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"--output-lock-file",
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"flake2.lock",
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"--override-input",
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"flake1",
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f"git+file://{flake1}?rev={flake1_original_commit}",
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]
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).run().ok()
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assert (nix.env.dirs.home / "flake2.lock").read_text() != (
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flake2 / "flake.lock"
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).read_text()
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assert (
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flake1_original_commit
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in nix.nix(["flake", "metadata", flake2, "--reference-lock-file", "flake2.lock"])
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.run()
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.ok()
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.stdout_s
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)
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def test_reference_lock_file_requires_allow_dirty(nix: Nix, flake2: Path):
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assert (
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"error: reference lock file was provided, but the `allow-dirty` setting is set to false"
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in nix.nix(
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[
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"flake",
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"metadata",
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flake2,
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"--no-allow-dirty",
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"--reference-lock-file",
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f"{nix.env.dirs.home}/flake2-overridden.lock",
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]
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)
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.run()
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.expect(1)
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.stderr_s
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)
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