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dpgeorgedpgeorge
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tests/extmod: Make some vfs tests fully unmount FSs before running.
Otherwise the existing FSs can interfere with the tests, and in some cases the tests can write to the real FS on the device.
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‎tests/extmod/vfs_basic.py‎

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@@ -47,6 +47,10 @@ def open(self, file, mode):
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# first we umount any existing mount points the target may have
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try:
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uos.umount('/')
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except OSError:
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pass
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for path in uos.listdir('/'):
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uos.umount('/' + path)
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‎tests/extmod/vfs_fat_more.py‎

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@@ -44,6 +44,14 @@ def ioctl(self, op, arg):
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print("SKIP")
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sys.exit()
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# first we umount any existing mount points the target may have
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try:
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uos.umount('/')
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except OSError:
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pass
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for path in uos.listdir('/'):
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uos.umount('/' + path)
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uos.VfsFat.mkfs(bdev)
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uos.mount(bdev, '/')
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