def test_extract_header():
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
assert header is not None
assert len(header.blocks) == fileform.BLOCKS_COUNT
assert len(header.install_types) == 33
def test_extract_header():
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
assert header is not None
assert len(header.blocks) == fileform.BLOCKS_COUNT
assert len(header.install_types) == 33
def test_findheader_found():
# Header found in NSIS installer.
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
assert firstheader is not None
assert firstheader.siginfo == 0xDEADBEEF
assert firstheader.magics == b'NullsoftInst'
assert firstheader.c_size < firstheader.u_size
def test_findheader_found():
# Header found in NSIS installer.
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
assert firstheader is not None
assert firstheader.siginfo == 0xDEADBEEF
assert firstheader.magics == b'NullsoftInst'
assert firstheader.c_size < firstheader.u_size
def test_extract_blocks():
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
for block_id in [fileform.NB_PAGES, fileform.NB_SECTIONS,
fileform.NB_ENTRIES, fileform.NB_STRINGS,
fileform.NB_LANGTABLES, fileform.NB_CTLCOLORS]:
pages_block = fileform._extract_block(nsis_file, firstheader, block_id)
assert pages_block is not None
def test_extract_blocks():
with open(os.path.join(utils.SAMPLES_DIR, 'example1.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
for block_id in [
fileform.NB_PAGES, fileform.NB_SECTIONS, fileform.NB_ENTRIES,
fileform.NB_STRINGS, fileform.NB_LANGTABLES,
fileform.NB_CTLCOLORS
]:
pages_block = fileform._extract_block(nsis_file, firstheader,
block_id)
assert pages_block is not None
def test_extract_lzma_solid():
with open(os.path.join(utils.SAMPLES_DIR, 'example_lzma_solid.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
assert header is not None
def test_findheader_not_found():
# Header should not be found in non-nsisi files.
with open(os.path.join(utils.SAMPLES_DIR, 'empty'), 'rb') as empty:
assert fileform._find_firstheader(empty) is None
def accept_file(li, n):
li.seek(0)
if n == 0 and fileform._find_firstheader(li):
return "NSIS (NullSoft Installer)"
return 0
def test_extract_lzma_solid():
with open(os.path.join(utils.SAMPLES_DIR, 'example_lzma_solid.exe'), 'rb') \
as nsis_file:
firstheader = fileform._find_firstheader(nsis_file)
header = fileform._extract_header(nsis_file, firstheader)
assert header is not None
def test_findheader_not_found():
# Header should not be found in non-nsisi files.
with open(os.path.join(utils.SAMPLES_DIR, 'empty'), 'rb') as empty:
assert fileform._find_firstheader(empty) is None