CAP/MiniC/test_interpreter.py

102 lines
3.7 KiB
Python
Executable File

#! /usr/bin/env python3
import pytest
import glob
import os
import sys
from test_expect_pragma import (
TestExpectPragmas, cat,
TestCompiler
)
HERE = os.path.dirname(os.path.realpath(__file__))
if HERE == os.path.realpath('.'):
HERE = '.'
TEST_DIR = HERE
IMPLEM_DIR = HERE
SKIP_EXPECT = False
if 'SKIP_EXPECT' in os.environ:
SKIP_EXPECT = True
DISABLE_TYPECHECK = False # True to skip typechecking
ALL_FILES = []
# tests for typing AND evaluation
ALL_FILES += glob.glob(os.path.join(TEST_DIR, 'TP03/tests/provided/**/*.c'),
recursive=True)
ALL_FILES += glob.glob(os.path.join(TEST_DIR, 'TP03/tests/students/**/*.c'),
recursive=True)
# Path setting
if 'TEST_FILES' in os.environ:
ALL_FILES = glob.glob(os.environ['TEST_FILES'], recursive=True)
MINIC_EVAL = os.path.join(IMPLEM_DIR, 'MiniCC.py')
if 'FILTER' in os.environ:
FILTER_FILES = glob.glob(os.path.join(HERE, os.environ['FILTER']), recursive=True)
ALL_FILES = list(set(FILTER_FILES) & set(ALL_FILES))
class TestInterpret(TestExpectPragmas, TestCompiler):
DISABLE_CODEGEN = False
def evaluate(self, file):
if not DISABLE_TYPECHECK:
res = self.run_command([sys.executable, MINIC_EVAL,
"--mode", "eval", file])
else:
res = self.run_command([sys.executable, MINIC_EVAL,
"--mode", "eval",
"--disable-typecheck", file])
if res.exitcode == 1:
# Execution can't distinguish exit code at runtime and static
# rejection of the program. But we know that an exit code of 1 is
# reserved for runtime errors, hence convert this exitcode
# into an execcode.
res = res._replace(exitcode=0, execcode=1)
return res
# Not in test_expect_pragma to get assertion rewritting
def assert_equal(self, actual, expected, compiler):
if expected.output is not None and actual.output is not None:
assert actual.output == expected.output, \
f"Output of the program is incorrect (using {compiler})."
assert actual.exitcode == expected.exitcode, \
f"Exit code of the compiler ({compiler}) is incorrect"
assert actual.execcode == expected.execcode, \
f"Exit code of the execution is incorrect (using {compiler})"
@pytest.mark.parametrize('filename', ALL_FILES)
def test_expect(self, filename):
"""Test the EXPECTED annotations in test files by launching the
program with GCC."""
if SKIP_EXPECT:
pytest.skip("Skipping all test_expect "
"because $SKIP_EXPECT is set.")
cat(filename) # For diagnosis
expect = self.get_expect(filename)
if expect.skip_test_expected:
pytest.skip("Skipping test_expect with GCC because "
"the test contains SKIP TEST EXPECTED")
if expect.exitcode != 0:
# GCC is more permissive than us, so trying to compile an
# incorrect program would bring us no information (it may
# compile, or fail with a different message...)
pytest.skip("Not testing the expected value for "
"tests expecting exitcode!=0")
gcc_result = self.run_with_gcc(filename, expect)
self.assert_equal(gcc_result, expect, "gcc")
@pytest.mark.parametrize('filename', ALL_FILES)
def test_eval(self, filename):
cat(filename) # For diagnosis
expect = self.get_expect(filename)
actual = self.evaluate(filename)
if expect:
self.assert_equal(actual, expect, "MiniCC")
if __name__ == '__main__':
pytest.main(sys.argv)