def test_find_file_in_subdir(self, testfs_fat_stable1):
""" Test if finding file in a multiple nested direcotry works """
for img_path in testfs_fat_stable1:
with open(img_path, 'rb') as img_stream:
# create FAT object
fatfs = create_fat(img_stream)
result = fatfs.find_file(
"onedirectory/nested_directory/royce.txt")
def test_find_non_existing(self, testfs_fat_stable1):
# Test finding a non existing file
for img_path in testfs_fat_stable1:
with open(img_path, 'rb') as img_stream:
# create FAT object
fatfs = create_fat(img_stream)
with pytest.raises(Exception):
fatfs.find_file("i-dont-exist")
def test_write_last_allocated(self, testfs_fat_stable1):
"""
test if writing last_allocated_cluster into FAT32 FS INFO sector works
correctly
"""
img_path = testfs_fat_stable1[2]
with open(img_path, 'rb+') as img_stream:
# create FAT32 object
fatfs = create_fat(img_stream)
orig_alloc_cluster = fatfs.pre.last_allocated_data_cluster
# write new last_allocated_cluster
new_value = 1337
fatfs.write_last_allocated(new_value)
# test if new last_allocated_cluster value was wriiten to disk
img_stream.seek(0)
fatfs2 = create_fat(img_stream)
assert fatfs2.pre.last_allocated_data_cluster == new_value
# test if new last_allocated_cluster value was correctly reread
assert fatfs.pre.last_allocated_data_cluster == new_value
# restore old last_allocated_cluster count
fatfs.write_last_allocated(orig_alloc_cluster)
def test_write_free_cluster(self, testfs_fat_stable1):
"""
test if writing free cluster count into FAT32 FS INFO sector works
correctly
"""
img_path = testfs_fat_stable1[2]
with open(img_path, 'rb+') as img_stream:
# create FAT32 object
fatfs = create_fat(img_stream)
orig_free_clusters = fatfs.pre.free_data_cluster_count
# write new free cluster count
new_value = 1337
fatfs.write_free_clusters(new_value)
# test if new free cluster count was wriiten to disk
img_stream.seek(0)
fatfs2 = create_fat(img_stream)
assert fatfs2.pre.free_data_cluster_count == new_value
# test if new free cluster count was correctly reread
assert fatfs.pre.free_data_cluster_count == new_value
# restore old free cluster count
fatfs.write_free_clusters(orig_free_clusters)
def test_find_file(self, testfs_fat_stable1):
for img_path in testfs_fat_stable1:
with open(img_path, 'rb') as img_stream:
# create FAT object
fatfs = create_fat(img_stream)
result = fatfs.find_file("long_file.txt")
# check for file attibutes
assert result.parsed.name == b'LONG_F~1'
assert result.parsed.extension == b'TXT'
assert not result.parsed.attributes.unused
assert not result.parsed.attributes.device
assert result.parsed.attributes.archive
assert not result.parsed.attributes.subDirectory
assert not result.parsed.attributes.volumeLabel
assert not result.parsed.attributes.system
assert not result.parsed.attributes.hidden
assert not result.parsed.attributes.readonly
assert result.parsed.fileSize == 8001