Python Drive.format方法代码示例

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_long_volume_name(self):
     blocks = 100
     drive_name = 'driveH.txt'
     disk = Drive.format(drive_name, blocks)
     name = b'long volume name' * 100
     volume = Volume.format(disk, name)
     self.assertEqual(name, volume.name())
     self.assertEqual(blocks, volume.size())
     self.assertEqual(99, volume.root_index())
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_long_volume_name(self):
      blocks = 10
      drive_name = 'driveB.txt'
      drive = Drive.format(drive_name, blocks)
      name = b'long volume name' * 10
      volume = Volume.format(drive, name)
      self.assertEqual(3, volume.volume_data_blocks())
      self.assertEqual(name, volume.name())
      self.assertEqual(blocks, volume.size())
      self.assertEqual(b'xxx------x', volume.bitmap())
      self.assertEqual(9, volume.root_index())
      volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_file_reads(self):
      volume = Volume.format(Drive.format('driveE.txt', 8), b'file read volume')
      file = volume.open(b'fileA')
      data = b'A different fileA'
      file.write(0, data)
      with self.assertRaises(IOError):
          file.read(30, 1)
      with self.assertRaises(IOError):
          file.read(0, 50)
      self.assertEqual(data, file.read(0, len(data)))
      self.assertEqual(b'if', file.read(3, 2))
      file.write(file.size(), b'Aaargh' * 10)
      self.assertEqual(b'arghAaarghAaargh', file.read(61, 16))
      volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_file_reads(self):
     volume = Volume.format(Drive.format("driveK.txt", 100), b'file read volume')
     file = volume.open(b'fileA')
     data = b'A different fileA' * 10
     file.write(0, data)
     with self.assertRaises(IOError):
         file.read(300, 1)
     with self.assertRaises(IOError):
         file.read(0, 500)
     self.assertEqual(data, file.read(0, len(data)))
     self.assertEqual(b'if', file.read(71, 2))
     file.write(file.size(), b'Aaargh' * 100)
     self.assertEqual(b'AaarghAaargh', file.read(500, 12))
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_reconnect_drive_with_files(self):
     drive_name = 'driveF.txt'
     volume = Volume.format(Drive.format(drive_name, 12), b'reconnect with files volume')
     filenames = [b'file1', b'file2', b'file3', b'file4']
     files = [volume.open(name) for name in filenames]
     for i, file in enumerate(files):
         file.write(0, bytes(str(i).encode()) * 64)
     files[0].write(files[0].size(), b'a')
     volume.unmount()
     volume = Volume.mount(drive_name)
     file4 = volume.open(b'file4')
     self.assertEqual(b'3333', file4.read(0, 4))
     file1 = volume.open(b'file1')
     self.assertEqual(65, file1.size())
     self.assertEqual(b'0a', file1.read(63, 2))
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_simple_file_creation(self):
     # the Volume didn't call format in the original
     volume = Volume.format(Drive.format('driveD.txt', 8), b'file creation volume')
     with self.assertRaises(ValueError):
      volume.open(b'fileA\n')
     file = volume.open(b'fileA')
     self.assertEqual(0, file.size())
     data = b'Hello from fileA'
     file.write(0, data)
     self.assertEqual(len(data), file.size())
     file.write(file.size(), data)
     self.assertEqual(2 * len(data), file.size())
     file = volume.open(b'fileB')
     data = b'Welcome to fileB'
     file.write(50, data)
     self.assertEqual(50 + len(data), file.size())
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_new_volume(self):
     blocks = 10
     drive_name = 'driveA.txt'
     drive = Drive.format(drive_name, blocks)
     with self.assertRaises(ValueError):
         Volume.format(drive, b'')
     with self.assertRaises(ValueError):
         Volume.format(drive, b'Volume\nA')
     with self.assertRaises(ValueError):
         Volume.format(drive, b'a' * blocks * Drive.BLK_SIZE)
     name = b'new volume test'
     volume = Volume.format(drive, name)
     self.assertEqual(1, volume.volume_data_blocks())
     self.assertEqual(name, volume.name())
     self.assertEqual(blocks, volume.size())
     self.assertEqual(b'x--------x', volume.bitmap())
     self.assertEqual(9, volume.root_index())
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_simple_file_creation(self):
     volume = Volume.format(Drive.format('driveJ.txt', 100), b'file creation volume')
     with self.assertRaises(ValueError):
         volume.open(b'dir/fileA')    # incase we ever implement subdirectories
     with self.assertRaises(ValueError):
         volume.open(b'fileA\n')
     file = volume.open(b'fileA')
     self.assertEqual(0, file.size())
     data = b'Hello from fileA' * 10
     file.write(0, data)
     self.assertEqual(len(data), file.size())
     file.write(file.size(), data)
     self.assertEqual(2 * len(data), file.size())
     file = volume.open(b'fileB')
     data = b'Welcome to fileB'
     file.write(500, data)
     self.assertEqual(500 + len(data), file.size())
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_reconnect_disk_with_files(self):
     drive_name = 'driveL.txt'
     volume = Volume.format(Drive.format(drive_name, 500), b'reconnect with files volume')
     files = []
     for i in range(100):
         name = 'file{:02}'.format(i).encode()
         files.append(volume.open(name))
     for i,file in enumerate(files):
         file.write(0, str(i).encode() * 64)
     files[99].write(files[99].size(), b'a')
     volume.unmount()
     volume = None
     volume = Volume.mount(drive_name)
     file4 = volume.open(b'file04')
     self.assertEqual(b'4444', file4.read(0, 4))
     file99 = volume.open(b'file99')
     self.assertEqual(129, file99.size())
     self.assertEqual(b'9a', file99.read(file99.size() - 2, 2))
     volume.unmount()

# 需要导入模块: from drive import Drive [as 别名]
# 或者: from drive.Drive import format [as 别名]
 def test_reconnect_drive(self):
      blocks = 10
      drive_name = 'driveC.txt'
      drive = Drive.format(drive_name, blocks)
      drive.disconnect()
      with self.assertRaises(IOError):
          Drive.reconnect('badname')
      drive = Drive.reconnect(drive_name)
      self.assertEqual(blocks * Drive.BLK_SIZE, drive.num_bytes())
      name = b'reconnect volume'
      volume = Volume.format(drive, name)
      volume.unmount()
      with self.assertRaises(IOError):
          Volume.mount('driveZ')
      volume = Volume.mount(drive_name)
      self.assertEqual(1, volume.volume_data_blocks())
      self.assertEqual(name, volume.name())
      self.assertEqual(blocks, volume.size())
      self.assertEqual(b'x--------x', volume.bitmap())
      self.assertEqual(9, volume.root_index())
      volume.unmount()