зеркало из https://github.com/microsoft/torchgeo.git
93 строки
3.0 KiB
Python
93 строки
3.0 KiB
Python
# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License.
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import glob
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import os
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import shutil
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from pathlib import Path
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from typing import Generator
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import pytest
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import torch
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import torch.nn as nn
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from _pytest.fixtures import SubRequest
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from _pytest.monkeypatch import MonkeyPatch
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from torch.utils.data import ConcatDataset
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import torchgeo.datasets.utils
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from torchgeo.datasets import SeasonalContrastS2
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def download_url(url: str, root: str, *args: str, **kwargs: str) -> None:
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shutil.copy(url, root)
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class TestSeasonalContrastS2:
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@pytest.fixture(params=zip(["100k", "1m"], [["B1"], SeasonalContrastS2.ALL_BANDS]))
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def dataset(
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self,
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monkeypatch: Generator[MonkeyPatch, None, None],
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tmp_path: Path,
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request: SubRequest,
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) -> SeasonalContrastS2:
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monkeypatch.setattr( # type: ignore[attr-defined]
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torchgeo.datasets.seco, "download_url", download_url
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)
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monkeypatch.setattr( # type: ignore[attr-defined]
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SeasonalContrastS2,
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"md5s",
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{
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"100k": "4d3e6e4afed7e581b7de1bfa2f7c29da",
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"1m": "3bb3fcf90f5de7d5781ce0cb85fd20af",
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},
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)
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monkeypatch.setattr( # type: ignore[attr-defined]
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SeasonalContrastS2,
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"urls",
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{
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"100k": os.path.join("tests", "data", "seco", "seco_100k.zip"),
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"1m": os.path.join("tests", "data", "seco", "seco_1m.zip"),
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},
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)
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root = str(tmp_path)
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version, bands = request.param
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transforms = nn.Identity() # type: ignore[attr-defined]
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return SeasonalContrastS2(
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root, version, bands, transforms, download=True, checksum=True
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)
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def test_getitem(self, dataset: SeasonalContrastS2) -> None:
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x = dataset[0]
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assert isinstance(x, dict)
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assert isinstance(x["image"], torch.Tensor)
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def test_len(self, dataset: SeasonalContrastS2) -> None:
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assert len(dataset) == 2
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def test_add(self, dataset: SeasonalContrastS2) -> None:
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ds = dataset + dataset
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assert isinstance(ds, ConcatDataset)
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assert len(ds) == 4
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def test_already_extracted(self, dataset: SeasonalContrastS2) -> None:
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SeasonalContrastS2(root=dataset.root, download=True)
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def test_already_downloaded(self, tmp_path: Path) -> None:
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pathname = os.path.join("tests", "data", "seco", "*.zip")
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root = str(tmp_path)
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for zipfile in glob.iglob(pathname):
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shutil.copy(zipfile, root)
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SeasonalContrastS2(root)
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def test_invalid_version(self) -> None:
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with pytest.raises(AssertionError):
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SeasonalContrastS2(version="foo")
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def test_invalid_band(self) -> None:
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with pytest.raises(AssertionError):
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SeasonalContrastS2(bands=["A1steaksauce"])
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def test_not_downloaded(self, tmp_path: Path) -> None:
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with pytest.raises(RuntimeError, match="Dataset not found"):
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SeasonalContrastS2(str(tmp_path))
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