Commit Graph

188 Commits

Author SHA1 Message Date
stijn d89ce2ed1d tests/run-tests: Ignore exception in process kill when ending repl test.
When running Linux on WSL, Popen.kill() can raise a ProcessLookupError if
the process does not exist anymore, which can happen here since the
previous statement already tries to close the process by sending Ctrl-D to
the running repl.  This doesn't seem to be a problem on other OSes, so just
swallow the exception silently since it indicates the process has been
closed already, which after all is what we want.
2019-04-04 15:24:29 +11:00
Damien George 69955238a2 tests/run-tests: Support running native tests via mpy. 2019-03-08 16:51:09 +11:00
Damien George 9201f46cc8 py/compile: Fix case of eager implicit conversion of local to nonlocal.
This ensures that implicit variables are only converted to implicit
closed-over variables (nonlocals) at the very end of the function scope.
If variables are closed-over when first used (read from, as was done prior
to this commit) then this can be incorrect because the variable may be
assigned to later on in the function which means they are just a plain
local, not closed over.

Fixes issue #4272.
2018-10-28 00:33:08 +11:00
Damien George 5cc9517fc5 tests/run-tests: Enabled native tests that pass now that yield works. 2018-10-01 13:31:11 +10:00
Damien George e6078dfed2 tests/basics: Split out gen throw tests from yield-from-throw tests. 2018-09-28 11:35:31 +10:00
Damien George 3f6ffe059f py/objgenerator: Implement PEP479, StopIteration convs to RuntimeError.
This commit implements PEP479 which disallows raising StopIteration inside
a generator to signal that it should be finished.  Instead, the generator
should simply return when it is complete.

See https://www.python.org/dev/peps/pep-0479/ for details.
2018-09-20 15:36:59 +10:00
Damien George 4f3d9429b5 py: Fix native functions so they run with their correct globals context.
Prior to this commit a function compiled with the native decorator
@micropython.native would not work correctly when accessing global
variables, because the globals dict was not being set upon function entry.

This commit fixes this problem by, upon function entry, setting as the
current globals dict the globals dict context the function was defined
within, as per normal Python semantics, and as bytecode does.  Upon
function exit the original globals dict is restored.

In order to restore the globals dict when an exception is raised the native
function must guard its internals with an nlr_push/nlr_pop pair.  Because
this push/pop is relatively expensive, in both C stack usage for the
nlr_buf_t and CPU execution time, the implementation here optimises things
as much as possible.  First, the compiler keeps track of whether a function
even needs to access global variables.  Using this information the native
emitter then generates three different kinds of code:

1. no globals used, no exception handlers: no nlr handling code and no
   setting of the globals dict.

2. globals used, no exception handlers: an nlr_buf_t is allocated on the
   C stack but it is not used if the globals dict is unchanged, saving
   execution time because nlr_push/nlr_pop don't need to run.

3. function has exception handlers, may use globals: an nlr_buf_t is
   allocated and nlr_push/nlr_pop are always called.

In the end, native functions that don't access globals and don't have
exception handlers will run more efficiently than those that do.

Fixes issue #1573.
2018-09-13 22:47:20 +10:00
Damien George e814db592d tests: Remove pyboard.py symlink and instead import from ../tools.
To eliminate the need for symlinks which don't work on systems like
Windows.
2018-09-05 15:36:33 +10:00
Damien George 938daa4ff9 tests/run-tests: Enable native tests for unwinding jumps. 2018-09-04 14:33:43 +10:00
Damien George b735208403 py/vm: Fix handling of finally-return with complex nested finallys.
Back in 8047340d75 basic support was added in
the VM to handle return statements within a finally block.  But it didn't
cover all cases, in particular when some finally's were active and others
inactive when the "return" was executed.

This patch adds further support for return-within-finally by correctly
managing the currently_in_except_block flag, and should fix all cases.  The
main point is that finally handlers remain on the exception stack even if
they are active (currently being executed), and the unwind return code
should only execute those finally's which are inactive.

New tests are added for the cases which now pass.
2018-09-03 13:08:16 +10:00
stijn ca0d78cebb run-tests: Make .exp and .out file names unique by prefixing with dir.
Input files like basics/string_format.py and float/string_format.py have
the same basename so using that name for writing the output (.exp and .out
files) when both tests fail, results in the output of the first one being
overwritten.

Avoid this by using unique names for the output, replacing path characters
with underscores.
2018-08-10 16:33:42 +10:00
Damien George ce786da196 tests/run-tests: Enable bool1.py test with native emitter.
It should work reliably now.
2018-08-04 22:19:04 +10:00
Ayke van Laethem 6572029dc0 tests: Make tests work on targets without float support. 2018-08-04 15:14:23 +10:00
Ayke van Laethem 055ee18919 tests/run-tests: Improve crash reporting when running on remote targets.
It is very useful to know the actual error when debugging why a test fails.
2018-07-20 09:27:28 +10:00
Ayke van Laethem 1b88433f2d
tests/run-tests: Add nrf target. 2018-07-20 00:50:57 +02:00
Damien George e2e22e3d7e py/objgenerator: Implement __name__ with normal fun attr accessor code.
With the recent change b488a4a848, a
generating function now has the same layout in memory as a normal bytecode
function, and so can reuse the latter's attribute accessor code to
implement __name__.
2018-07-10 16:33:57 +10:00
Damien George d8dc918deb py/compile: Handle return/break/continue correctly in async with.
Before this patch the context manager's __aexit__() method would not be
executed if a return/break/continue statement was used to exit an async
with block.  async with now has the same semantics as normal with.

The fix here applies purely to the compiler, and does not modify the
runtime at all. It might (eventually) be better to define new bytecode(s)
to handle async with (and maybe other async constructs) in a cleaner, more
efficient way.

One minor drawback with addressing this issue purely in the compiler is
that it wasn't possible to get 100% CPython semantics.  The thing that is
different here to CPython is that the __aexit__ method is not looked up in
the context manager until it is needed, which is after the body of the
async with statement has executed.  So if a context manager doesn't have
__aexit__ then CPython raises an exception before the async with is
executed, whereas uPy will raise it after it is executed.  Note that
__aenter__ is looked up at the beginning in uPy because it needs to be
called straightaway, so if the context manager isn't a context manager then
it'll still raise an exception at the same location as CPython.  The only
difference is if the context manager has the __aenter__ method but not the
__aexit__ method, then in that case uPy has different behaviour.  But this
is a very minor, and acceptable, difference.
2018-06-27 16:57:42 +10:00
Damien George c901cc6862 tests/extmod: Add test for VFS and user-defined filesystem and files. 2018-06-12 12:29:26 +10:00
Damien George 400273a799 py/objgenerator: Protect against reentering a generator.
Generators that are already executing cannot be reexecuted.  This patch
puts in a check for such a case.

Thanks to @jepler for finding the bug.
2018-05-22 16:54:03 +10:00
Damien George d2c1db1e5c tests/float/float_parse: Allow test to run on 32-bit archs.
Printing of uPy floats can differ by the floating-point precision on
different architectures (eg 64-bit vs 32-bit x86), so it's not possible to
using printing of floats in some parts of this test.  Instead we can just
check for equivalence with what is known to be the correct answer.
2018-05-11 13:51:18 +10:00
Ayke van Laethem 5eb198c441 tests/run-tests: Support esp32 as a target for running the test suite. 2018-05-02 17:20:48 +10:00
Damien George 5ad27d4b8b tests: Move recursive tests to the tests/stress/ subdir.
Keeping all the stress related tests in one place makes it easier to
stress-test a given port, and to also not run such tests on ports that
can't handle them.
2018-04-10 14:43:52 +10:00
Jeff Epler cbf981f330 py/objgenerator: Check stack before resuming a generator.
This turns a hard crash in a recursive generator into a 'maximum recursion
depth exceeded' exception.
2018-04-10 14:06:26 +10:00
Damien George a45a34ec31 tests/stress: Add test to verify the GC can trace nested objects. 2018-04-04 14:22:54 +10:00
Damien George 49e0dd54e6 tests/run-tests: Capture any output from a crashed uPy execution.
Instead of putting just 'CRASH' in the .py.out file, this patch makes it so
any output from uPy that led to the crash is stored in the .py.out file, as
well as the 'CRASH' message at the end.
2018-02-14 17:24:59 +11:00
Paul Sokolovsky 6364401666 py/objgenerator: Allow to pend an exception for next execution.
This implements .pend_throw(exc) method, which sets up an exception to be
triggered on the next call to generator's .__next__() or .send() method.
This is unlike .throw(), which immediately starts to execute the generator
to process the exception. This effectively adds Future-like capabilities
to generator protocol (exception will be raised in the future).

The need for such a method arised to implement uasyncio wait_for() function
efficiently (its behavior is clearly "Future" like, and normally would
require to introduce an expensive Future wrapper around all native
couroutines, like upstream asyncio does).

py/objgenerator: pend_throw: Return previous pended value.

This effectively allows to store an additional value (not necessary an
exception) in a coroutine while it's not being executed. uasyncio has
exactly this usecase: to mark a coro waiting in I/O queue (and thus
not executed in the normal scheduling queue), for the purpose of
implementing wait_for() function (cancellation of such waiting coro
by a timeout).
2017-12-15 20:20:36 +02:00
Paul Sokolovsky 103eeffcd9 tests/run-tests: Skip running feature checks for --list-tests/--write-exp.
The whole idea of --list-tests is that we prepare a list of tests to run
later, and currently don't have a connection to target board. Similarly
for --write-exp - only "python3" binary would be required for this operation,
not "micropython".
2017-12-15 12:07:09 +02:00
Paul Sokolovsky 3233537a15 tests/run-tests: Don't test for --target=unix with "pyb is None".
If we test for unix target, do that explicitly. pyb var will be None
for commands like --list-tests too.
2017-12-14 13:36:06 +02:00
Paul Sokolovsky 64bb32d87f tests/run-tests: Add composable --include and --exclude options.
The idea that --list-tests would be enough to produce list of tests for
tinytest-codegen didn't work, because normal run-tests processing heavily
relies on dynamic target capabilities discovery, and test filtering happens
as the result of that.

So, approach the issue from different end - allow to specify arbitrary
filtering criteria as run-tests arguments. This way, specific filters
will be still hardcoded, but at least on a particular target's side,
instead of constant patching tinytest-codegen and/or run-tests.
2017-12-14 12:26:10 +02:00
Paul Sokolovsky aaeb70b7b7 tests/run-tests: Fix handling of --list-tests wrt skipped tests.
"skip <test>" message could leak before.
2017-12-14 12:13:36 +02:00
Paul Sokolovsky 8d11fc0bc4 tests/run-tests: minimal: Exclude recently added subclass_native_init.py.
It relies on MICROPY_CPYTHON_COMPAT being defined.
2017-12-14 10:35:05 +02:00
Paul Sokolovsky 334934ee97 tests/run-tests: Add --list-tests switch.
Lists tests to be executed, subject to all other filters requested. This
options would be useful e.g. for scripts like tools/tinytest-codegen.py,
which currently contains hardcoded filters for particular a particular
target and can't work for multiple targets.
2017-12-13 18:35:37 +02:00
Paul Sokolovsky e104e24e53 tests/run-tests: Wrap long lists to facilitate adding more items. 2017-12-05 01:56:05 +02:00
Paul Sokolovsky a289b24e25 tests/run-tests: "minimal": Skip recently added float/float_parse.py.
Fails for Zephyr qemu_x86 with:

-9e-36
+9.000001e-36
2017-11-28 14:11:19 +02:00
Damien George 84895f1a21 py/parsenum: Improve parsing of floating point numbers.
This patch improves parsing of floating point numbers by converting all the
digits (integer and fractional) together into a number 1 or greater, and
then applying the correct power of 10 at the very end.  In particular the
multiple "multiply by 0.1" operations to build a fraction are now combined
together and applied at the same time as the exponent, at the very end.

This helps to retain precision during parsing of floats, and also includes
a check that the number doesn't overflow during the parsing.  One benefit
is that a float will have the same value no matter where the decimal point
is located, eg 1.23 == 123e-2.
2017-11-27 12:51:52 +11:00
Paul Sokolovsky 71c1a05d88 tests/run-tests: Close device under test using "finally".
We want to close communication object even if there were exceptions
somewhere in the code. This is important for --device exec:/execpty:
which may otherwise leave processing running in the background.
2017-10-07 15:49:58 +03:00
David Lechner 62849b7010 py: Add config option to print warnings/errors to stderr.
This adds a new configuration option to print runtime warnings and errors to
stderr. On Unix, CPython prints warnings and unhandled exceptions to stderr,
so the unix port here is configured to use this option.

The unix port already printed unhandled exceptions on the main thread to
stderr. This patch fixes unhandled exceptions on other threads and warnings
(issue #2838) not printing on stderr.

Additionally, a couple tests needed to be fixed to handle this new behavior.
This is done by also capturing stderr when running tests.
2017-09-26 11:59:11 +10:00
Damien George 96fd80db13 py/objexcept: Prevent infinite recursion when allocating exceptions.
The aim of this patch is to rewrite the functions that create exception
instances (mp_obj_exception_make_new and mp_obj_new_exception_msg_varg) so
that they do not call any functions that may raise an exception.  Otherwise
it's possible to create infinite recursion with an exception being raised
while trying to create an exception object.

The two main things that are done to accomplish this are:
1. Change mp_obj_new_exception_msg_varg to just format the string, then
   call mp_obj_exception_make_new to actually create the exception object.
2. In mp_obj_exception_make_new and mp_obj_new_exception_msg_varg try to
   allocate all memory first using functions that don't raise exceptions
   If any of the memory allocations fail (return NULL) then degrade
   gracefully by trying other options for memory allocation, eg using the
   emergency exception buffer.
3. Use a custom printer backend to conservatively format strings: if it
   can't allocate memory then it just truncates the string.

As part of this rewrite, raising an exception without a message, like
KeyError(123), will now use the emergency buffer to store the arg and
traceback data if there is no heap memory available.

Memory use with this patch is unchanged.  Code size is increased by:

   bare-arm:  +136
minimal x86:  +124
   unix x64:   +72
unix nanbox:   +96
      stm32:   +88
    esp8266:   +92
     cc3200:   +80
2017-09-21 15:24:57 +10:00
Paul Sokolovsky f54b3527f2 tests/run-tests: Fix copy-paste mistake in var name. 2017-09-10 22:38:18 +03:00
Paul Sokolovsky d1f909005a tests/run-tests: Skip class_inplace_op for minimal profile.
Don't assume that MICROPY_PY_ALL_SPECIAL_METHODS is defined, as required
for inplace special methods.

Fixes Zephyr tests.
2017-09-10 22:32:08 +03:00
Paul Sokolovsky d6f9d64d97 tests/class_reverse_op: Test for reverse arith ops special methods.
This test should be run only if support for reverse ops is enabled, so
the corresponding feature_check is added to run-tests.
2017-09-10 17:05:57 +03:00
Damien George 4a93801c12 all: Update Makefiles and others to build with new ports/ dir layout.
Also renames "stmhal" to "stm32" in documentation and everywhere else.
2017-09-06 14:09:13 +10:00
Alexander Steffen 55f33240f3 all: Use the name MicroPython consistently in comments
There were several different spellings of MicroPython present in comments,
when there should be only one.
2017-07-31 18:35:40 +10:00
Damien George f69ab79ec8 py/objgenerator: Allow to hash generators and generator instances.
Adds nothing to the code size, since it uses existing empty slots in the
type structures.
2017-07-07 11:47:38 +10:00
Damien George 4a6c0fda78 tests: Auto detect floating point capabilites of the target.
The floating-point precision of the target is detected (0, 30, 32 or 64)
and only those tests which can run on the target will be run.
2017-06-26 13:47:00 +10:00
Paul Sokolovsky 57b5ee2fcf tests/run-tests: Don't post-process CRASH result in any way.
If we got a CRASH result, return early, similar to SKIP. This is important
because previous refactor changed branching logic a bit, so CRASH now gets
post-processed into CRASH\n, which broke remote hardware tests.
2017-04-16 17:59:11 +03:00
Paul Sokolovsky 5b8122f2bb tests/run-tests: Search feature checks wrt to main script location.
If run-tests script is run from another dir, we still want to look up
feature checks in run-tests' dir.
2017-04-14 17:07:13 +03:00
Damien George 805b1c8bc3 tests/run-tests: Update names of tests that may need skipping. 2017-04-04 12:26:43 +10:00
Paul Sokolovsky 831e157226 tests/run-tests: Introduce generic "minimal" target.
Used e.g. by Zephyr port.
2017-04-03 10:20:48 +03:00
Paul Sokolovsky b099aeb3ca run-tests: Add feature check for "const" keyword and skip related tests. 2017-04-02 22:52:18 +03:00