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tests/import: Add test for importing invalid .mpy file.
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# test importing of invalid .mpy files | ||
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import sys, uio | ||
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try: | ||
uio.IOBase | ||
import uos | ||
uos.mount | ||
except (ImportError, AttributeError): | ||
print("SKIP") | ||
raise SystemExit | ||
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class UserFile(uio.IOBase): | ||
def __init__(self, data): | ||
self.data = data | ||
self.pos = 0 | ||
def read(self): | ||
return self.data | ||
def readinto(self, buf): | ||
n = 0 | ||
while n < len(buf) and self.pos < len(self.data): | ||
buf[n] = self.data[self.pos] | ||
n += 1 | ||
self.pos += 1 | ||
return n | ||
def ioctl(self, req, arg): | ||
return 0 | ||
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class UserFS: | ||
def __init__(self, files): | ||
self.files = files | ||
def mount(self, readonly, mksfs): | ||
pass | ||
def umount(self): | ||
pass | ||
def stat(self, path): | ||
if path in self.files: | ||
return (32768, 0, 0, 0, 0, 0, 0, 0, 0, 0) | ||
raise OSError | ||
def open(self, path, mode): | ||
return UserFile(self.files[path]) | ||
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# these are the test .mpy files | ||
user_files = { | ||
'/mod0.mpy': b'', # empty file | ||
'/mod1.mpy': b'M', # too short header | ||
'/mod2.mpy': b'M\x00\x00\x00', # bad version | ||
} | ||
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# create and mount a user filesystem | ||
uos.mount(UserFS(user_files), '/userfs') | ||
sys.path.append('/userfs') | ||
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# import .mpy files from the user filesystem | ||
for i in range(len(user_files)): | ||
mod = 'mod%u' % i | ||
try: | ||
__import__(mod) | ||
except ValueError as er: | ||
print(mod, 'ValueError', er) | ||
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# unmount and undo path addition | ||
uos.umount('/userfs') | ||
sys.path.pop() |
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Original file line number | Diff line number | Diff line change |
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mod0 ValueError incompatible .mpy file | ||
mod1 ValueError incompatible .mpy file | ||
mod2 ValueError incompatible .mpy file |