mirror of
https://github.com/elliotnunn/machfs.git
synced 2024-11-28 12:51:43 +00:00
74 lines
1.7 KiB
Python
74 lines
1.7 KiB
Python
from machfs import *
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import os
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import time
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def test_upperlower():
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h = Volume()
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h['alpha'] = File()
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assert h['alpha'] is h['ALPHA']
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assert list(h.keys()) == ['alpha']
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def test_roundtrip():
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h = Volume()
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f = File()
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h['single file'] = f
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f.data = f.rsrc = b'1234' * 4096
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copies = [h.write(800*1024)]
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for i in range(2):
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h2 = Volume()
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h2.read(copies[-1])
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copies.append(h2.write(800*1024))
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assert copies[0] == copies[1]
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assert copies[1] == copies[2]
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assert f.data in copies[-1]
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def test_macos_mount():
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h = Volume()
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h.name = 'ElmoTest'
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hf = File()
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hf.data = b'12345' * 10
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for i in reversed(range(100)):
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last = 'testfile-%03d' % i
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h[last] = hf
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ser = h.write(10*1024*1024)
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open('/tmp/SMALL.dmg','wb').write(ser)
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os.system('hdiutil attach /tmp/SMALL.dmg')
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n = 10
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while 1:
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n += 1
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assert n < 200
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time.sleep(0.1)
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try:
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os.stat('/Volumes/ElmoTest/testfile-000')
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except:
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pass
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else:
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break
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recovered = open('/Volumes/ElmoTest/' + last,'rb').read()
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os.system('umount /Volumes/ElmoTest')
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assert recovered == hf.data
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h2 = Volume()
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h2.read(ser)
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assert h2['testfile-000'].data == hf.data
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# def test_extents_overflow():
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# h = Volume()
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# h.read(open('SourceForEmulator.dmg','rb').read())
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# assert h['aa'].data == b'a' * 278528
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def test_many_sizes():
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sizes = [800*1024, 1024*1024]
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while sizes[-1] < 4*1024*1024*1024:
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sizes.append(sizes[-1] * 2)
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# okay, we have heaps of sizes
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v = Volume()
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v.name = 'ImportantTestVol'
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for s in sizes:
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ser = v.write(s-512)
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open('/tmp/SMALL-%X.dmg'%s, 'wb').write(ser)
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