From b51813403f26304df64a818eae103aeed3550344 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Fri, 6 Feb 2015 08:58:56 +0200 Subject: Issue #23392: Added tests for marshal C API that works with FILE*. --- Lib/test/test_marshal.py | 99 +++++++++++++++++++++++---- Misc/NEWS | 2 + Modules/_testcapimodule.c | 166 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 255 insertions(+), 12 deletions(-) diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py index 068c471..903e12c 100644 --- a/Lib/test/test_marshal.py +++ b/Lib/test/test_marshal.py @@ -7,6 +7,11 @@ import unittest import os import types +try: + import _testcapi +except ImportError: + _testcapi = None + class HelperMixin: def helper(self, sample, *extra): new = marshal.loads(marshal.dumps(sample, *extra)) @@ -434,18 +439,88 @@ class InterningTestCase(unittest.TestCase, HelperMixin): s2 = sys.intern(s) self.assertNotEqual(id(s2), id(s)) +@support.cpython_only +@unittest.skipUnless(_testcapi, 'requires _testcapi') +class CAPI_TestCase(unittest.TestCase, HelperMixin): + + def test_write_long_to_file(self): + for v in range(marshal.version + 1): + _testcapi.pymarshal_write_long_to_file(0x12345678, support.TESTFN, v) + with open(support.TESTFN, 'rb') as f: + data = f.read() + support.unlink(support.TESTFN) + self.assertEqual(data, b'\x78\x56\x34\x12') + + def test_write_object_to_file(self): + obj = ('\u20ac', b'abc', 123, 45.6, 7+8j, 'long line '*1000) + for v in range(marshal.version + 1): + _testcapi.pymarshal_write_object_to_file(obj, support.TESTFN, v) + with open(support.TESTFN, 'rb') as f: + data = f.read() + support.unlink(support.TESTFN) + self.assertEqual(marshal.loads(data), obj) + + def test_read_short_from_file(self): + with open(support.TESTFN, 'wb') as f: + f.write(b'\x34\x12xxxx') + r, p = _testcapi.pymarshal_read_short_from_file(support.TESTFN) + support.unlink(support.TESTFN) + self.assertEqual(r, 0x1234) + self.assertEqual(p, 2) + + with open(support.TESTFN, 'wb') as f: + f.write(b'\x12') + with self.assertRaises(EOFError): + _testcapi.pymarshal_read_short_from_file(support.TESTFN) + support.unlink(support.TESTFN) + + def test_read_long_from_file(self): + with open(support.TESTFN, 'wb') as f: + f.write(b'\x78\x56\x34\x12xxxx') + r, p = _testcapi.pymarshal_read_long_from_file(support.TESTFN) + support.unlink(support.TESTFN) + self.assertEqual(r, 0x12345678) + self.assertEqual(p, 4) + + with open(support.TESTFN, 'wb') as f: + f.write(b'\x56\x34\x12') + with self.assertRaises(EOFError): + _testcapi.pymarshal_read_long_from_file(support.TESTFN) + support.unlink(support.TESTFN) + + def test_read_last_object_from_file(self): + obj = ('\u20ac', b'abc', 123, 45.6, 7+8j) + for v in range(marshal.version + 1): + data = marshal.dumps(obj, v) + with open(support.TESTFN, 'wb') as f: + f.write(data + b'xxxx') + r, p = _testcapi.pymarshal_read_last_object_from_file(support.TESTFN) + support.unlink(support.TESTFN) + self.assertEqual(r, obj) + + with open(support.TESTFN, 'wb') as f: + f.write(data[:1]) + with self.assertRaises(EOFError): + _testcapi.pymarshal_read_last_object_from_file(support.TESTFN) + support.unlink(support.TESTFN) + + def test_read_object_from_file(self): + obj = ('\u20ac', b'abc', 123, 45.6, 7+8j) + for v in range(marshal.version + 1): + data = marshal.dumps(obj, v) + with open(support.TESTFN, 'wb') as f: + f.write(data + b'xxxx') + r, p = _testcapi.pymarshal_read_object_from_file(support.TESTFN) + support.unlink(support.TESTFN) + self.assertEqual(r, obj) + self.assertEqual(p, len(data)) + + with open(support.TESTFN, 'wb') as f: + f.write(data[:1]) + with self.assertRaises(EOFError): + _testcapi.pymarshal_read_object_from_file(support.TESTFN) + support.unlink(support.TESTFN) -def test_main(): - support.run_unittest(IntTestCase, - FloatTestCase, - StringTestCase, - CodeTestCase, - ContainerTestCase, - ExceptionTestCase, - BufferTestCase, - BugsTestCase, - LargeValuesTestCase, - ) if __name__ == "__main__": - test_main() + unittest.main() diff --git a/Misc/NEWS b/Misc/NEWS index a45546f..1fedcf5 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -326,6 +326,8 @@ IDLE Tests ----- +- Issue #23392: Added tests for marshal C API that works with FILE*. + - Issue #18982: Add tests for CLI of the calendar module. - Issue #19548: Added some additional checks to test_codecs to ensure that diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c index 4a4209d..625409e 100644 --- a/Modules/_testcapimodule.c +++ b/Modules/_testcapimodule.c @@ -11,6 +11,7 @@ #include #include "structmember.h" #include "datetime.h" +#include "marshal.h" #ifdef WITH_THREAD #include "pythread.h" @@ -3050,6 +3051,159 @@ exit: } #endif /* WITH_THREAD */ +/* marshal */ + +static PyObject* +pymarshal_write_long_to_file(PyObject* self, PyObject *args) +{ + long value; + char *filename; + int version; + FILE *fp; + + if (!PyArg_ParseTuple(args, "lsi:pymarshal_write_long_to_file", + &value, &filename, &version)) + return NULL; + + fp = fopen(filename, "wb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + PyMarshal_WriteLongToFile(value, fp, version); + + fclose(fp); + if (PyErr_Occurred()) + return NULL; + Py_RETURN_NONE; +} + +static PyObject* +pymarshal_write_object_to_file(PyObject* self, PyObject *args) +{ + PyObject *obj; + char *filename; + int version; + FILE *fp; + + if (!PyArg_ParseTuple(args, "Osi:pymarshal_write_object_to_file", + &obj, &filename, &version)) + return NULL; + + fp = fopen(filename, "wb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + PyMarshal_WriteObjectToFile(obj, fp, version); + + fclose(fp); + if (PyErr_Occurred()) + return NULL; + Py_RETURN_NONE; +} + +static PyObject* +pymarshal_read_short_from_file(PyObject* self, PyObject *args) +{ + int value; + long pos; + char *filename; + FILE *fp; + + if (!PyArg_ParseTuple(args, "s:pymarshal_read_short_from_file", &filename)) + return NULL; + + fp = fopen(filename, "rb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + value = PyMarshal_ReadShortFromFile(fp); + pos = ftell(fp); + + fclose(fp); + if (PyErr_Occurred()) + return NULL; + return Py_BuildValue("il", value, pos); +} + +static PyObject* +pymarshal_read_long_from_file(PyObject* self, PyObject *args) +{ + long value, pos; + char *filename; + FILE *fp; + + if (!PyArg_ParseTuple(args, "s:pymarshal_read_long_from_file", &filename)) + return NULL; + + fp = fopen(filename, "rb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + value = PyMarshal_ReadLongFromFile(fp); + pos = ftell(fp); + + fclose(fp); + if (PyErr_Occurred()) + return NULL; + return Py_BuildValue("ll", value, pos); +} + +static PyObject* +pymarshal_read_last_object_from_file(PyObject* self, PyObject *args) +{ + PyObject *obj; + long pos; + char *filename; + FILE *fp; + + if (!PyArg_ParseTuple(args, "s:pymarshal_read_last_object_from_file", &filename)) + return NULL; + + fp = fopen(filename, "rb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + obj = PyMarshal_ReadLastObjectFromFile(fp); + pos = ftell(fp); + + fclose(fp); + return Py_BuildValue("Nl", obj, pos); +} + +static PyObject* +pymarshal_read_object_from_file(PyObject* self, PyObject *args) +{ + PyObject *obj; + long pos; + char *filename; + FILE *fp; + + if (!PyArg_ParseTuple(args, "s:pymarshal_read_object_from_file", &filename)) + return NULL; + + fp = fopen(filename, "rb"); + if (fp == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + obj = PyMarshal_ReadObjectFromFile(fp); + pos = ftell(fp); + + fclose(fp); + return Py_BuildValue("Nl", obj, pos); +} + static PyMethodDef TestMethods[] = { {"raise_exception", raise_exception, METH_VARARGS}, @@ -3190,6 +3344,18 @@ static PyMethodDef TestMethods[] = { {"call_in_temporary_c_thread", call_in_temporary_c_thread, METH_O, PyDoc_STR("set_error_class(error_class) -> None")}, #endif + {"pymarshal_write_long_to_file", + pymarshal_write_long_to_file, METH_VARARGS}, + {"pymarshal_write_object_to_file", + pymarshal_write_object_to_file, METH_VARARGS}, + {"pymarshal_read_short_from_file", + pymarshal_read_short_from_file, METH_VARARGS}, + {"pymarshal_read_long_from_file", + pymarshal_read_long_from_file, METH_VARARGS}, + {"pymarshal_read_last_object_from_file", + pymarshal_read_last_object_from_file, METH_VARARGS}, + {"pymarshal_read_object_from_file", + pymarshal_read_object_from_file, METH_VARARGS}, {NULL, NULL} /* sentinel */ }; 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