aboutsummaryrefslogtreecommitdiff
path: root/lib/tests/test_lazy.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/tests/test_lazy.py')
-rw-r--r--lib/tests/test_lazy.py286
1 files changed, 0 insertions, 286 deletions
diff --git a/lib/tests/test_lazy.py b/lib/tests/test_lazy.py
deleted file mode 100644
index 5ab5b95..0000000
--- a/lib/tests/test_lazy.py
+++ /dev/null
@@ -1,286 +0,0 @@
-import types
-
-import pytest
-
-from producer import lazy
-
-PYPI_JSON = {
- "urls": [
- {
- "filename": "torch-2.7.1-cp311-cp311-manylinux_2_28_x86_64.whl",
- "url": "https://files.pythonhosted.org/packages/xx/torch-2.7.1-cp311-cp311-manylinux_2_28_x86_64.whl",
- "digests": {"sha256": "abc123"},
- "size": 766_668_798,
- },
- {
- "filename": "torch-2.7.1-cp311-cp311-win_amd64.whl",
- "url": "https://example.com/win.whl",
- "digests": {},
- "size": 1,
- },
- {
- "filename": "torch-2.7.1.tar.gz",
- "url": "https://example.com/src.tar.gz",
- "digests": {},
- "size": 1,
- },
- ]
-}
-
-_SHA = "e1a846516570851234567890abcdef1234567890abcdef1234567890abcdef12"
-GPU_HTML = (
- "<html><body>"
- '<a href="https://download-r2.pytorch.org/whl/cu126/torch-2.6.0%2Bcu126-cp311-cp311-manylinux_2_28_x86_64.whl#sha256=00'
- f'00">old</a><a href="https://download-r2.pytorch.org/whl/cu126/torch-2.7.1%2Bcu126-cp311-cp311-manylinux_2_28_x86_64.whl#sha256={_SHA}">new</a>'
- '<a href="https://download-r2.pytorch.org/whl/cu126/torch-2.7.1%2Bcu126-cp311-cp311-win_amd64.whl#sha256=1111">win</a>'
- '<a href="torch-2.7.1%2Bcu126-cp311-cp311-manylinux_2_28_x86_64.whl">relative-dup</a>'
- "</body></html>"
-)
-
-
-def test_choose_pypi_picks_linux_wheel():
- got = lazy._choose_pypi(PYPI_JSON)
- assert got is not None
- name, url, sha, size = got
- assert name.endswith("manylinux_2_28_x86_64.whl")
- assert "pythonhosted" in url
- assert sha == "abc123"
- assert size == 766_668_798
-
-
-def test_choose_gpu_matches_version_and_arch():
- got = lazy._choose_gpu(GPU_HTML, "torch", "2.7.1")
- assert got is not None
- name, url, sha, size = got
- assert name == "torch-2.7.1+cu126-cp311-cp311-manylinux_2_28_x86_64.whl"
- assert url == (
- "https://download-r2.pytorch.org/whl/cu126/"
- "torch-2.7.1%2Bcu126-cp311-cp311-manylinux_2_28_x86_64.whl"
- )
- assert sha == _SHA
- assert size is None
-
-
-def test_choose_gpu_no_match_returns_none():
- assert lazy._choose_gpu("<html></html>", "torch", "2.7.1") is None
-
-
-def test_resolve_torch_wheels_needs_both_packages(monkeypatch):
- def fake(pkg, ver):
- return None if pkg == "torchaudio" else ("t.whl", "u", None, 1)
-
- monkeypatch.setattr(lazy, "_pypi_wheel", fake)
- assert lazy._resolve_torch_wheels(gpu=False) == []
-
-
-def test_resolve_torch_wheels_returns_both(monkeypatch):
- wheels = [("torch.whl", "u1", "s1", 1), ("torchaudio.whl", "u2", None, None)]
- monkeypatch.setattr(lazy, "_pypi_wheel", lambda pkg, ver: wheels.pop(0))
- got = lazy._resolve_torch_wheels(gpu=False)
- assert [w[0] for w in got] == ["torch.whl", "torchaudio.whl"]
-
-
-def test_ensure_torch_downloads_wheels_then_installs(monkeypatch, tmp_path):
- wheels = [
- ("torch-2.7.1-cp311.whl", "https://x/torch.whl", "sha", 10),
- ("torchaudio-2.7.1-cp311.whl", "https://x/ta.whl", None, 5),
- ]
- monkeypatch.setattr(lazy, "has_module", lambda name: False)
- monkeypatch.setattr(lazy, "_resolve_torch_wheels", lambda gpu: wheels)
- monkeypatch.setattr(lazy, "find_uv", lambda: "uv")
- monkeypatch.setattr(lazy, "WHEEL_CACHE", tmp_path / "wheels")
- downloads: list[str] = []
- runs: list[tuple[list[str], str]] = []
-
- def fake_download(url, dest, label=None, expected_size=None, sha256=None, timeout=60.0):
- downloads.append(dest.name)
- return dest
-
- monkeypatch.setattr(lazy.ui, "download", fake_download)
- monkeypatch.setattr(lazy.ui, "run", lambda cmd, label, check=True: runs.append((cmd, label)))
- lazy.ensure_torch()
- assert downloads == ["torch-2.7.1-cp311.whl", "torchaudio-2.7.1-cp311.whl"]
- assert len(runs) == 1
- cmd = runs[0][0]
- assert cmd[0] == "uv" and cmd[1] == "pip" and cmd[2] == "install"
- assert str(tmp_path / "wheels" / "torch-2.7.1-cp311.whl") in cmd
- assert str(tmp_path / "wheels" / "torchaudio-2.7.1-cp311.whl") in cmd
-
-
-def test_ensure_torch_falls_back_to_uv_index(monkeypatch):
- monkeypatch.setattr(lazy, "has_module", lambda name: False)
- monkeypatch.setattr(lazy, "_resolve_torch_wheels", lambda gpu: [])
- monkeypatch.setattr(lazy, "find_uv", lambda: "uv")
- monkeypatch.setattr(lazy, "gpu_present", lambda: True)
- runs: list[list[str]] = []
- monkeypatch.setattr(lazy.ui, "run", lambda cmd, label, check=True: runs.append(cmd))
- lazy.ensure_torch()
- cmd = runs[0]
- assert "torch==2.7.1+cu126" in cmd
- assert "--index-url" in cmd
- assert lazy.TORCH_GPU_INDEX in cmd
-
-
-def test_ensure_torch_falls_back_to_pypi_cpu(monkeypatch):
- monkeypatch.setattr(lazy, "has_module", lambda name: False)
- monkeypatch.setattr(lazy, "_resolve_torch_wheels", lambda gpu: [])
- monkeypatch.setattr(lazy, "find_uv", lambda: "uv")
- monkeypatch.setattr(lazy, "gpu_present", lambda: False)
- runs: list[list[str]] = []
- monkeypatch.setattr(lazy.ui, "run", lambda cmd, label, check=True: runs.append(cmd))
- lazy.ensure_torch()
- cmd = runs[0]
- assert "torch==2.7.1" in cmd
- assert "--index-url" not in cmd
-
-
-def test_ensure_torch_noop_when_installed(monkeypatch):
- monkeypatch.setattr(lazy, "has_module", lambda name: True)
- runs: list = []
- monkeypatch.setattr(lazy.ui, "run", lambda cmd, label, check=True: runs.append(cmd))
- lazy.ensure_torch()
- assert runs == []
-
-
-def test_ensure_import_noop_when_importable(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- lazy.ensure_import("numpy", purpose="test")
- assert installs == []
-
-
-def test_ensure_import_installs_missing_module(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- state = {"round": 0}
-
- def fake_import(name):
- if name == "fakeengine":
- if state["round"] == 0:
- state["round"] = 1
- raise ModuleNotFoundError("No module named 'addict'", name="addict")
- return types.ModuleType("fakeengine")
- raise ModuleNotFoundError(f"No module named {name!r}", name=name)
-
- monkeypatch.setattr(lazy.importlib, "import_module", fake_import)
- lazy.ensure_import("fakeengine", purpose="test")
- assert installs == [["addict"]]
-
-
-def test_ensure_import_dotted_missing_reraises_without_install(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
-
- def fake_import(name):
- raise ModuleNotFoundError("No module named 'pkg.sub'", name="pkg.sub")
-
- monkeypatch.setattr(lazy.importlib, "import_module", fake_import)
- with pytest.raises(ModuleNotFoundError):
- lazy.ensure_import("whatever", purpose="test")
- assert installs == []
-
-
-def test_ensure_import_gives_up_after_rounds(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
-
- def fake_import(name):
- raise ModuleNotFoundError("No module named 'ghost'", name="ghost")
-
- monkeypatch.setattr(lazy.importlib, "import_module", fake_import)
- with pytest.raises(lazy.EngineUnavailable, match="ghost"):
- lazy.ensure_import("whatever", purpose="test")
- assert len(installs) == 4
- assert all(pkgs == ["ghost"] for pkgs in installs)
-
-
-def test_ensure_import_maps_pil_to_pillow(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- state = {"round": 0}
-
- def fake_import(name):
- if name == "fakeengine":
- if state["round"] == 0:
- state["round"] = 1
- raise ModuleNotFoundError("No module named 'PIL'", name="PIL")
- return types.ModuleType("fakeengine")
- raise ModuleNotFoundError(f"No module named {name!r}", name=name)
-
- monkeypatch.setattr(lazy.importlib, "import_module", fake_import)
- lazy.ensure_import("fakeengine", purpose="test")
- assert installs == [["pillow"]]
-
-
-def test_ensure_call_passthrough_without_install(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- assert lazy.ensure_call(lambda: 42, purpose="test") == 42
- assert installs == []
-
-
-def test_ensure_call_installs_missing_module(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- state = {"round": 0}
-
- def fake_fn():
- if state["round"] == 0:
- state["round"] = 1
- raise ModuleNotFoundError("No module named 'addict'", name="addict")
- return "ok"
-
- assert lazy.ensure_call(fake_fn, purpose="test") == "ok"
- assert installs == [["addict"]]
-
-
-def test_ensure_call_dotted_missing_reraises_without_install(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
-
- def fake_fn():
- raise ModuleNotFoundError("No module named 'pkg.sub'", name="pkg.sub")
-
- with pytest.raises(ModuleNotFoundError):
- lazy.ensure_call(fake_fn, purpose="test")
- assert installs == []
-
-
-def test_ensure_call_unnamed_missing_reraises_without_install(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
-
- def fake_fn():
- raise ModuleNotFoundError("boom")
-
- with pytest.raises(ModuleNotFoundError):
- lazy.ensure_call(fake_fn, purpose="test")
- assert installs == []
-
-
-def test_ensure_call_maps_pil_to_pillow(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
- state = {"round": 0}
-
- def fake_fn():
- if state["round"] == 0:
- state["round"] = 1
- raise ModuleNotFoundError("No module named 'PIL'", name="PIL")
- return "ok"
-
- assert lazy.ensure_call(fake_fn, purpose="test") == "ok"
- assert installs == [["pillow"]]
-
-
-def test_ensure_call_gives_up_after_rounds(monkeypatch):
- installs: list[list[str]] = []
- monkeypatch.setattr(lazy, "ensure", lambda pkgs, **_k: installs.append(list(pkgs)))
-
- def fake_fn():
- raise ModuleNotFoundError("No module named 'ghost'", name="ghost")
-
- with pytest.raises(lazy.EngineUnavailable, match="ghost"):
- lazy.ensure_call(fake_fn, purpose="test")
- assert len(installs) == 8
- assert all(pkgs == ["ghost"] for pkgs in installs)
generated by cgit v1.2.3 (git 2.25.1) at 2026-09-08 09:24:03 +0000