69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
import os
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import hashlib
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from p2pfs import Peer, Tracker
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def fmd5(fname):
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""" calculate the md5 value of a file
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:param fname: file name
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:return: md5 value.
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"""
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hash_md5 = hashlib.md5()
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with open(fname, "rb") as f:
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for chunk in iter(lambda: f.read(4096), b""):
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hash_md5.update(chunk)
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return hash_md5.hexdigest()
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def test_server_refused():
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peer = Peer('localhost', 0, 'localhost', 8880)
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started = peer.start()
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assert not started
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def test_main():
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peer_1, peer_2 = Peer('localhost', 0, 'localhost', 8880), Peer('localhost', 0, 'localhost', 8880)
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tracker = Tracker('localhost', 8880)
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with open('test_small_file', 'wb') as fout:
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fout.write(os.urandom(1000))
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with open('test_big_file', 'wb') as fout:
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# write 500MB random data into the file
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for _ in range(500):
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fout.write(os.urandom(1000 * 1000))
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tracker_started = tracker.start()
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peer_1_started = peer_1.start()
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peer_2_started = peer_2.start()
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assert tracker_started and peer_1_started and peer_2_started
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# peer1 publish small file and peer2 downloads it
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peer_1.publish('test_small_file')
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file_list = tracker.file_list()
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assert 'test_small_file' in file_list
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assert file_list['test_small_file']['size'] == 1000
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file_list = peer_2.list_file()
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assert 'test_small_file' in file_list
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result, msg = peer_2.download('test_small_file', 'downloaded_small_file')
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assert result is True
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assert os.path.exists('downloaded_small_file')
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assert fmd5('test_small_file') == fmd5('downloaded_small_file')
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peer_2.publish('test_big_file')
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file_list = tracker.file_list()
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assert 'test_big_file' in file_list and 'test_small_file' in file_list
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assert file_list['test_big_file']['size'] == 500 * 1000 * 1000
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file_list = peer_1.list_file()
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assert 'test_big_file' in file_list and 'test_small_file' in file_list
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result, msg = peer_1.download('test_big_file', 'downloaded_big_file')
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assert result is True
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assert os.path.exists('downloaded_big_file')
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assert fmd5('test_big_file') == fmd5('downloaded_big_file')
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os.remove('test_small_file')
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os.remove('test_big_file')
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os.remove('downloaded_small_file')
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os.remove('downloaded_big_file')
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peer_1.stop()
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peer_2.stop()
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tracker.stop()
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