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103 lines
2.8 KiB
Python
103 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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import pytest
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from moto import mock_s3
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from dvc.remote.s3 import RemoteS3
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@pytest.fixture
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def remote():
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"""Returns a RemoteS3 connected to a bucket with the following structure:
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bucket
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├── data
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│ ├── alice
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│ ├── alpha
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│ └── subdir
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│ ├── 1
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│ ├── 2
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│ └── 3
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├── empty_dir
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├── empty_file
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└── foo
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"""
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with mock_s3():
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remote = RemoteS3(None, {"url": "s3://bucket", "region": "us-east-1"})
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s3 = remote.s3
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s3.create_bucket(Bucket="bucket")
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s3.put_object(Bucket="bucket", Key="empty_dir/")
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s3.put_object(Bucket="bucket", Key="empty_file", Body=b"")
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s3.put_object(Bucket="bucket", Key="foo", Body=b"foo")
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s3.put_object(Bucket="bucket", Key="data/alice", Body=b"alice")
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s3.put_object(Bucket="bucket", Key="data/alpha", Body=b"alpha")
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s3.put_object(Bucket="bucket", Key="data/subdir/1", Body=b"1")
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s3.put_object(Bucket="bucket", Key="data/subdir/2", Body=b"2")
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s3.put_object(Bucket="bucket", Key="data/subdir/3", Body=b"3")
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yield remote
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def test_isdir(remote):
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test_cases = [
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(True, "data"),
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(True, "data/"),
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(True, "data/subdir"),
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(True, "empty_dir"),
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(False, "foo"),
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(False, "data/alice"),
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(False, "data/al"),
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(False, "data/subdir/1"),
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]
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for expected, path in test_cases:
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assert remote.isdir(remote.path_info / path) == expected
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def test_exists(remote):
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test_cases = [
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(True, "data"),
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(True, "data/"),
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(True, "data/subdir"),
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(True, "empty_dir"),
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(True, "empty_file"),
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(True, "foo"),
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(True, "data/alice"),
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(True, "data/subdir/1"),
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(False, "data/al"),
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(False, "foo/"),
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]
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for expected, path in test_cases:
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assert remote.exists(remote.path_info / path) == expected
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def test_walk_files(remote):
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files = [
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remote.path_info / "data/alice",
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remote.path_info / "data/alpha",
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remote.path_info / "data/subdir/1",
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remote.path_info / "data/subdir/2",
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remote.path_info / "data/subdir/3",
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]
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assert list(remote.walk_files(remote.path_info / "data")) == files
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def test_copy_preserve_etag_across_buckets(remote):
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s3 = remote.s3
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s3.create_bucket(Bucket="another")
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another = RemoteS3(None, {"url": "s3://another", "region": "us-east-1"})
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from_info = remote.path_info / "foo"
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to_info = another.path_info / "foo"
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remote.copy(from_info, to_info)
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from_etag = RemoteS3.get_etag(s3, "bucket", "foo")
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to_etag = RemoteS3.get_etag(s3, "another", "foo")
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assert from_etag == to_etag
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