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circuitpython/tests/extmod/vfs_lfs_mount.py

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tests/extmod: Add littlefs tests.
2019-10-18 02:25:48 -04:00
# Test for VfsLittle using a RAM device, with mount/umount
try:
import uos
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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tests/extmod: Add littlefs tests.
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uos.VfsLfs1
uos.VfsLfs2
except (ImportError, AttributeError):
print("SKIP")
raise SystemExit
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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tests/extmod: Add littlefs tests.
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class RAMBlockDevice:
ERASE_BLOCK_SIZE = 1024
def __init__(self, blocks):
self.data = bytearray(blocks * self.ERASE_BLOCK_SIZE)
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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def readblocks(self, block, buf, off=0):
tests/extmod: Add littlefs tests.
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addr = block * self.ERASE_BLOCK_SIZE + off
for i in range(len(buf)):
buf[i] = self.data[addr + i]
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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def writeblocks(self, block, buf, off=0):
tests/extmod: Add littlefs tests.
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addr = block * self.ERASE_BLOCK_SIZE + off
for i in range(len(buf)):
self.data[addr + i] = buf[i]
def ioctl(self, op, arg):
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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if op == 4: # block count
tests/extmod: Add littlefs tests.
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return len(self.data) // self.ERASE_BLOCK_SIZE
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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if op == 5: # block size
tests/extmod: Add littlefs tests.
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return self.ERASE_BLOCK_SIZE
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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if op == 6: # erase block
tests/extmod: Add littlefs tests.
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return 0
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-22 22:26:08 -04:00
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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def test(vfs_class):
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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print("test", vfs_class)
tests/extmod: Add littlefs tests.
2019-10-18 02:25:48 -04:00
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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bdev = RAMBlockDevice(30)
# mount bdev unformatted
try:
uos.mount(bdev, "/lfs")
except Exception as er:
print(repr(er))
tests/extmod: Add littlefs tests.
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# mkfs
vfs_class.mkfs(bdev)
# construction
vfs = vfs_class(bdev)
# mount
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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uos.mount(vfs, "/lfs")
tests/extmod: Add littlefs tests.
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# import
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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with open("/lfs/lfsmod.py", "w") as f:
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f.write('print("hello from lfs")\n')
import lfsmod
# import package
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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uos.mkdir("/lfs/lfspkg")
with open("/lfs/lfspkg/__init__.py", "w") as f:
tests/extmod: Add littlefs tests.
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f.write('print("package")\n')
import lfspkg
extmod/vfs_lfsx: Fix import_stat so it takes into account current dir. CPython semantics require searching the current directory if the import is not absolute (when "" is in sys.path). Fixes issue #6037.
2020-05-14 07:37:59 -04:00
# chdir and import module from current directory (needs "" in sys.path)
uos.mkdir("/lfs/subdir")
uos.chdir("/lfs/subdir")
uos.rename("/lfs/lfsmod.py", "/lfs/subdir/lfsmod2.py")
import lfsmod2
tests/extmod: Add littlefs tests.
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# umount
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
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uos.umount("/lfs")
tests/extmod: Add littlefs tests.
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extmod/vfs_lfs: Support mounting LFS filesystems in read-only mode. Signed-off-by: Damien George <damien@micropython.org>
2020-10-28 20:31:53 -04:00
# mount read-only
vfs = vfs_class(bdev)
uos.mount(vfs, "/lfs", readonly=True)
# test reading works
with open("/lfs/subdir/lfsmod2.py") as f:
print("lfsmod2.py:", f.read())
# test writing fails
try:
open("/lfs/test_write", "w")
except OSError as er:
print(repr(er))
# umount
uos.umount("/lfs")
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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# mount bdev again
uos.mount(bdev, "/lfs")
# umount
uos.umount("/lfs")
tests/extmod: Add littlefs tests.
2019-10-18 02:25:48 -04:00
# clear imported modules
all: Rename "sys" module to "usys". This is consistent with the other 'micro' modules and allows implementing additional features in Python via e.g. micropython-lib's sys. Note this is a breaking change (not backwards compatible) for ports which do not enable weak links, as "import sys" must now be replaced with "import usys".
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usys.modules.clear()
tests/extmod: Add littlefs tests.
2019-10-18 02:25:48 -04:00
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-22 22:26:08 -04:00
tests/extmod: Add littlefs tests.
2019-10-18 02:25:48 -04:00
# initialise path
all: Rename "sys" module to "usys". This is consistent with the other 'micro' modules and allows implementing additional features in Python via e.g. micropython-lib's sys. Note this is a breaking change (not backwards compatible) for ports which do not enable weak links, as "import sys" must now be replaced with "import usys".
2020-06-18 05:19:14 -04:00
import usys
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-22 22:26:08 -04:00
all: Rename "sys" module to "usys". This is consistent with the other 'micro' modules and allows implementing additional features in Python via e.g. micropython-lib's sys. Note this is a breaking change (not backwards compatible) for ports which do not enable weak links, as "import sys" must now be replaced with "import usys".
2020-06-18 05:19:14 -04:00
usys.path.clear()
usys.path.append("/lfs")
usys.path.append("")
tests/extmod: Add littlefs tests.
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# run tests
tests/extmod: Add test to try and mount a block device directly. Mounting a bdev directly tries to auto-detect the filesystem and if none is found an OSError(19,) should be raised. The fourth parameter of readblocks() and writeblocks() must be optional to support ports with MICROPY_VFS_FAT=1. Otherwise mounting a bdev may fail because looking for a FATFS will call readblocks() with only 3 parameters.
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test(uos.VfsLfs1)
test(uos.VfsLfs2)
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