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5ef0d2ab14
This conditional import was only used to get the tests working on the unix coverage build, which has now switched to use VFS by default so the uos module alone has the required functionality.
115 lines
2.5 KiB
Python
115 lines
2.5 KiB
Python
try:
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import uerrno
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import uos
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except ImportError:
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print("SKIP")
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raise SystemExit
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try:
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uos.VfsFat
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except AttributeError:
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print("SKIP")
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raise SystemExit
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class RAMFS:
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SEC_SIZE = 512
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def __init__(self, blocks):
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self.data = bytearray(blocks * self.SEC_SIZE)
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def readblocks(self, n, buf):
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#print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
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for i in range(len(buf)):
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buf[i] = self.data[n * self.SEC_SIZE + i]
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def writeblocks(self, n, buf):
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#print("writeblocks(%s, %x)" % (n, id(buf)))
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for i in range(len(buf)):
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self.data[n * self.SEC_SIZE + i] = buf[i]
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def ioctl(self, op, arg):
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#print("ioctl(%d, %r)" % (op, arg))
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if op == 4: # BP_IOCTL_SEC_COUNT
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return len(self.data) // self.SEC_SIZE
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if op == 5: # BP_IOCTL_SEC_SIZE
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return self.SEC_SIZE
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try:
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bdev = RAMFS(50)
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except MemoryError:
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print("SKIP")
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raise SystemExit
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uos.VfsFat.mkfs(bdev)
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vfs = uos.VfsFat(bdev)
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uos.mount(vfs, '/ramdisk')
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uos.chdir('/ramdisk')
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try:
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vfs.mkdir("foo_dir")
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except OSError as e:
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print(e.args[0] == uerrno.EEXIST)
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try:
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vfs.remove("foo_dir")
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except OSError as e:
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print(e.args[0] == uerrno.EISDIR)
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try:
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vfs.remove("no_file.txt")
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except OSError as e:
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print(e.args[0] == uerrno.ENOENT)
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try:
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vfs.rename("foo_dir", "/null/file")
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except OSError as e:
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print(e.args[0] == uerrno.ENOENT)
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# file in dir
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with open("foo_dir/file-in-dir.txt", "w+t") as f:
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f.write("data in file")
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with open("foo_dir/file-in-dir.txt", "r+b") as f:
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print(f.read())
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with open("foo_dir/sub_file.txt", "w") as f:
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f.write("subdir file")
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# directory not empty
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try:
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vfs.rmdir("foo_dir")
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except OSError as e:
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print(e.args[0] == uerrno.EACCES)
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# trim full path
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vfs.rename("foo_dir/file-in-dir.txt", "foo_dir/file.txt")
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print(list(vfs.ilistdir("foo_dir")))
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vfs.rename("foo_dir/file.txt", "moved-to-root.txt")
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print(list(vfs.ilistdir()))
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# check that renaming to existing file will overwrite it
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with open("temp", "w") as f:
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f.write("new text")
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vfs.rename("temp", "moved-to-root.txt")
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print(list(vfs.ilistdir()))
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with open("moved-to-root.txt") as f:
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print(f.read())
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# valid removes
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vfs.remove("foo_dir/sub_file.txt")
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vfs.rmdir("foo_dir")
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print(list(vfs.ilistdir()))
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# disk full
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try:
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bsize = vfs.statvfs("/ramdisk")[0]
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free = vfs.statvfs("/ramdisk")[2] + 1
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f = open("large_file.txt", "wb")
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f.write(bytearray(bsize * free))
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except OSError as e:
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print("ENOSPC:", e.args[0] == 28) # uerrno.ENOSPC
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