def runAsJava(test_dir, main_code, extra_code=None):
"""Run a block of Python code as a Java program."""
# Output source code into test directory
transpiler = Transpiler()
# Don't redirect stderr; we want to see any errors from the transpiler
# as top level test failures.
with capture_output(redirect_stderr=False):
transpiler.transpile_string("test.py", adjust(main_code))
if extra_code:
for name, code in extra_code.items():
transpiler.transpile_string("%s.py" % name, adjust(code))
transpiler.write(test_dir, verbosity=0)
proc = subprocess.Popen(
[
"java", "-classpath", "../../dist/python-java.jar:.",
"-XX:-UseSplitVerifier", "python.test"
],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=test_dir,
)
out = proc.communicate()
return out[0].decode('utf8')
def runAsJava(self,
main_code,
extra_code=None,
run_in_function=False,
args=None):
"""Run a block of Python code as a Java program."""
# Output source code into test directory
transpiler = Transpiler(verbosity=0)
# Don't redirect stderr; we want to see any errors from the transpiler
# as top level test failures.
with capture_output(redirect_stderr=False):
transpiler.transpile_string(
"test.py", adjust(main_code, run_in_function=run_in_function))
if extra_code:
for name, code in extra_code.items():
transpiler.transpile_string(
"%s.py" % name.replace('.', os.path.sep), adjust(code))
transpiler.write(self.temp_dir)
if args is None:
args = []
if len(args) == 0:
# encode to turn str into bytes-like object
self.jvm.stdin.write(("python.test.__init__\n").encode("utf-8"))
self.jvm.stdin.flush()
out = ""
while True:
try:
line = self.jvm.stdout.readline().decode("utf-8")
if line == ".{0}".format(os.linesep):
break
else:
out += line
except IOError as e:
continue
else:
classpath = os.pathsep.join([
os.path.join('..', 'dist', 'python-java-support.jar'),
os.path.join('..', 'java'),
os.curdir,
])
proc = subprocess.Popen(
["java", "-classpath", classpath, "python.test.__init__"] +
args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=self.temp_dir)
out = proc.communicate()[0].decode('utf8')
return out
def runAsJava(test_dir,
main_code,
extra_code=None,
run_in_function=False,
args=None):
"""Run a block of Python code as a Java program."""
# Output source code into test directory
transpiler = Transpiler(verbosity=0)
# Don't redirect stderr; we want to see any errors from the transpiler
# as top level test failures.
with capture_output(redirect_stderr=False):
transpiler.transpile_string(
"test.py", adjust(main_code, run_in_function=run_in_function))
if extra_code:
for name, code in extra_code.items():
transpiler.transpile_string(
"%s.py" % name.replace('.', os.path.sep), adjust(code))
transpiler.write(test_dir)
if args is None:
args = []
proc = subprocess.Popen(
[
"java", "-classpath", "../../dist/python-java.jar:../java:.",
"python.test.__init__"
] + args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=test_dir,
)
out = proc.communicate()
return out[0].decode('utf8')
def runAsJava(self, main_code, extra_code=None, args=None, timed=False):
"""Run a block of Python code as a Java program."""
# Output source code into test directory
transpiler = Transpiler(verbosity=0)
# Don't redirect stderr; we want to see any errors from the transpiler
# as top level test failures.
with capture_output(redirect_stderr=False):
transpiler.transpile_string("test.py", main_code)
if extra_code:
for name, code in extra_code.items():
transpiler.transpile_string("%s.py" % name.replace('.', os.path.sep), adjust(code))
transpiler.write(self.temp_dir)
if args is None:
args = []
t1_start = time.perf_counter()
t2_start = time.process_time()
if len(args) == 0:
# encode to turn str into bytes-like object
self.jvm.stdin.write(("python.test\n").encode("utf-8"))
self.jvm.stdin.flush()
out = ""
while True:
try:
line = self.jvm.stdout.readline().decode("utf-8")
if line == ".{0}".format(os.linesep):
break
else:
out += line
except IOError as e:
continue
t1_stop = time.perf_counter()
t2_stop = time.process_time()
else:
classpath = os.pathsep.join([
os.path.join('..', 'dist', 'python-java-support.jar'),
os.path.join('..', 'java'),
os.curdir,
])
proc = subprocess.Popen(
["java", "-classpath", classpath, "python.test"] + args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=self.temp_dir
)
t1_stop = time.perf_counter()
t2_stop = time.process_time()
out = proc.communicate()[0].decode('utf8')
if proc.returncode != 0:
raise Exception(
"Java subprocess didn't exit cleanly (exit status %s)\n\n: %s" % (
proc.returncode, out
)
)
if timed:
print(" Elapsed time: ", (t1_stop-t1_start), " sec")
print(" CPU process time: ", (t2_stop-t2_start), " sec")
return out
def test_block_large_code(self):
"Test exception for large code of an anonymous block."
large_code = 'print(1 + 2)\n' * 3000
transpiler = Transpiler(verbosity=0)
self.assertRaises(BlockCodeTooLarge, transpiler.transpile_string,
"test.py", large_code)
def test_method_large_code(self):
"Test exception for large code of a method."
large_code = 'def test():\n' + ' print(1 + 2)\n' * 3000
transpiler = Transpiler(verbosity=0)
self.assertRaises(MethodCodeTooLarge, transpiler.transpile_string,
"test.py", large_code)