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#include <Python.h>
#include <inttypes.h>
#include <stdio.h>
/*********************************************************
* Embedded interpreter tests that need a custom exe
*
* Executed via 'EmbeddingTests' in Lib/test/test_capi.py
*********************************************************/
static void _testembed_Py_Initialize(void)
{
/* HACK: the "./" at front avoids a search along the PATH in
Modules/getpath.c */
Py_SetProgramName(L"./_testembed");
Py_Initialize();
}
/*****************************************************
* Test repeated initialisation and subinterpreters
*****************************************************/
static void print_subinterp(void)
{
/* Output information about the interpreter in the format
expected in Lib/test/test_capi.py (test_subinterps). */
PyThreadState *ts = PyThreadState_Get();
PyInterpreterState *interp = ts->interp;
int64_t id = PyInterpreterState_GetID(interp);
printf("interp %" PRId64 " <0x%" PRIXPTR ">, thread state <0x%" PRIXPTR ">: ",
id, (uintptr_t)interp, (uintptr_t)ts);
fflush(stdout);
PyRun_SimpleString(
"import sys;"
"print('id(modules) =', id(sys.modules));"
"sys.stdout.flush()"
);
}
static int test_repeated_init_and_subinterpreters(void)
{
PyThreadState *mainstate, *substate;
PyGILState_STATE gilstate;
int i, j;
for (i=0; i<15; i++) {
printf("--- Pass %d ---\n", i);
_testembed_Py_Initialize();
mainstate = PyThreadState_Get();
PyEval_InitThreads();
PyEval_ReleaseThread(mainstate);
gilstate = PyGILState_Ensure();
print_subinterp();
PyThreadState_Swap(NULL);
for (j=0; j<3; j++) {
substate = Py_NewInterpreter();
print_subinterp();
Py_EndInterpreter(substate);
}
PyThreadState_Swap(mainstate);
print_subinterp();
PyGILState_Release(gilstate);
PyEval_RestoreThread(mainstate);
Py_Finalize();
}
return 0;
}
/*****************************************************
* Test forcing a particular IO encoding
*****************************************************/
static void check_stdio_details(const char *encoding, const char * errors)
{
/* Output info for the test case to check */
if (encoding) {
printf("Expected encoding: %s\n", encoding);
} else {
printf("Expected encoding: default\n");
}
if (errors) {
printf("Expected errors: %s\n", errors);
} else {
printf("Expected errors: default\n");
}
fflush(stdout);
/* Force the given IO encoding */
Py_SetStandardStreamEncoding(encoding, errors);
_testembed_Py_Initialize();
PyRun_SimpleString(
"import sys;"
"print('stdin: {0.encoding}:{0.errors}'.format(sys.stdin));"
"print('stdout: {0.encoding}:{0.errors}'.format(sys.stdout));"
"print('stderr: {0.encoding}:{0.errors}'.format(sys.stderr));"
"sys.stdout.flush()"
);
Py_Finalize();
}
static int test_forced_io_encoding(void)
{
/* Check various combinations */
printf("--- Use defaults ---\n");
check_stdio_details(NULL, NULL);
printf("--- Set errors only ---\n");
check_stdio_details(NULL, "ignore");
printf("--- Set encoding only ---\n");
check_stdio_details("latin-1", NULL);
printf("--- Set encoding and errors ---\n");
check_stdio_details("latin-1", "replace");
/* Check calling after initialization fails */
Py_Initialize();
if (Py_SetStandardStreamEncoding(NULL, NULL) == 0) {
printf("Unexpected success calling Py_SetStandardStreamEncoding");
}
Py_Finalize();
return 0;
}
/*********************************************************
* Test parts of the C-API that work before initialization
*********************************************************/
static int test_pre_initialization_api(void)
{
/* Leading "./" ensures getpath.c can still find the standard library */
wchar_t *program = Py_DecodeLocale("./spam", NULL);
if (program == NULL) {
fprintf(stderr, "Fatal error: cannot decode program name\n");
return 1;
}
Py_SetProgramName(program);
Py_Initialize();
Py_Finalize();
PyMem_RawFree(program);
return 0;
}
/* *********************************************************
* List of test cases and the function that implements it.
*
* Names are compared case-sensitively with the first
* argument. If no match is found, or no first argument was
* provided, the names of all test cases are printed and
* the exit code will be -1.
*
* The int returned from test functions is used as the exit
* code, and test_capi treats all non-zero exit codes as a
* failed test.
*********************************************************/
struct TestCase
{
const char *name;
int (*func)(void);
};
static struct TestCase TestCases[] = {
{ "forced_io_encoding", test_forced_io_encoding },
{ "repeated_init_and_subinterpreters", test_repeated_init_and_subinterpreters },
{ "pre_initialization_api", test_pre_initialization_api },
{ NULL, NULL }
};
int main(int argc, char *argv[])
{
if (argc > 1) {
for (struct TestCase *tc = TestCases; tc && tc->name; tc++) {
if (strcmp(argv[1], tc->name) == 0)
return (*tc->func)();
}
}
/* No match found, or no test name provided, so display usage */
printf("Python " PY_VERSION " _testembed executable for embedded interpreter tests\n"
"Normally executed via 'EmbeddingTests' in Lib/test/test_capi.py\n\n"
"Usage: %s TESTNAME\n\nAll available tests:\n", argv[0]);
for (struct TestCase *tc = TestCases; tc && tc->name; tc++) {
printf(" %s\n", tc->name);
}
/* Non-zero exit code will cause test_capi.py tests to fail.
This is intentional. */
return -1;
}
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