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32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
import io
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import requests
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from dvc.utils.http import open_url
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def test_open_url(tmp_path, monkeypatch, http):
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# Simulate bad connection
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original_iter_content = requests.Response.iter_content
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def bad_iter_content(self, *args, **kwargs):
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it = original_iter_content(self, *args, **kwargs)
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for i, chunk in enumerate(it):
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# Drop connection error on second chunk if there is one
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if i > 0:
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raise requests.ConnectionError("Simulated connection drop")
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yield chunk
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monkeypatch.setattr(requests.Response, "iter_content", bad_iter_content)
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# Text should be longer than default chunk to test resume,
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# using twice of that plus something tests second resume,
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# this is important because second response is different
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text = "0123456789" * (io.DEFAULT_BUFFER_SIZE // 10 + 1)
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http.gen("sample.txt", text * 2)
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with open_url((http / "sample.txt").url) as fd:
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# Test various .read() variants
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assert fd.read(len(text)) == text
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assert fd.read() == text
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