summaryrefslogtreecommitdiff
path: root/venv/lib/python3.11/site-packages/greenlet/tests/_test_extension.c
blob: 05e81c03ad92a8dc2e3a577e00432eecb79b0d69 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/* This is a set of functions used by test_extension_interface.py to test the
 * Greenlet C API.
 */

#include "../greenlet.h"

#ifndef Py_RETURN_NONE
#    define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
#endif

#define TEST_MODULE_NAME "_test_extension"

static PyObject*
test_switch(PyObject* self, PyObject* greenlet)
{
    PyObject* result = NULL;

    if (greenlet == NULL || !PyGreenlet_Check(greenlet)) {
        PyErr_BadArgument();
        return NULL;
    }

    result = PyGreenlet_Switch((PyGreenlet*)greenlet, NULL, NULL);
    if (result == NULL) {
        if (!PyErr_Occurred()) {
            PyErr_SetString(PyExc_AssertionError,
                            "greenlet.switch() failed for some reason.");
        }
        return NULL;
    }
    Py_INCREF(result);
    return result;
}

static PyObject*
test_switch_kwargs(PyObject* self, PyObject* args, PyObject* kwargs)
{
    PyGreenlet* g = NULL;
    PyObject* result = NULL;

    PyArg_ParseTuple(args, "O!", &PyGreenlet_Type, &g);

    if (g == NULL || !PyGreenlet_Check(g)) {
        PyErr_BadArgument();
        return NULL;
    }

    result = PyGreenlet_Switch(g, NULL, kwargs);
    if (result == NULL) {
        if (!PyErr_Occurred()) {
            PyErr_SetString(PyExc_AssertionError,
                            "greenlet.switch() failed for some reason.");
        }
        return NULL;
    }
    Py_XINCREF(result);
    return result;
}

static PyObject*
test_getcurrent(PyObject* self)
{
    PyGreenlet* g = PyGreenlet_GetCurrent();
    if (g == NULL || !PyGreenlet_Check(g) || !PyGreenlet_ACTIVE(g)) {
        PyErr_SetString(PyExc_AssertionError,
                        "getcurrent() returned an invalid greenlet");
        Py_XDECREF(g);
        return NULL;
    }
    Py_DECREF(g);
    Py_RETURN_NONE;
}

static PyObject*
test_setparent(PyObject* self, PyObject* arg)
{
    PyGreenlet* current;
    PyGreenlet* greenlet = NULL;

    if (arg == NULL || !PyGreenlet_Check(arg)) {
        PyErr_BadArgument();
        return NULL;
    }
    if ((current = PyGreenlet_GetCurrent()) == NULL) {
        return NULL;
    }
    greenlet = (PyGreenlet*)arg;
    if (PyGreenlet_SetParent(greenlet, current)) {
        Py_DECREF(current);
        return NULL;
    }
    Py_DECREF(current);
    if (PyGreenlet_Switch(greenlet, NULL, NULL) == NULL) {
        return NULL;
    }
    Py_RETURN_NONE;
}

static PyObject*
test_new_greenlet(PyObject* self, PyObject* callable)
{
    PyObject* result = NULL;
    PyGreenlet* greenlet = PyGreenlet_New(callable, NULL);

    if (!greenlet) {
        return NULL;
    }

    result = PyGreenlet_Switch(greenlet, NULL, NULL);
    Py_CLEAR(greenlet);
    if (result == NULL) {
        return NULL;
    }

    Py_INCREF(result);
    return result;
}

static PyObject*
test_raise_dead_greenlet(PyObject* self)
{
    PyErr_SetString(PyExc_GreenletExit, "test GreenletExit exception.");
    return NULL;
}

static PyObject*
test_raise_greenlet_error(PyObject* self)
{
    PyErr_SetString(PyExc_GreenletError, "test greenlet.error exception");
    return NULL;
}

static PyObject*
test_throw(PyObject* self, PyGreenlet* g)
{
    const char msg[] = "take that sucka!";
    PyObject* msg_obj = Py_BuildValue("s", msg);
    PyGreenlet_Throw(g, PyExc_ValueError, msg_obj, NULL);
    Py_DECREF(msg_obj);
    if (PyErr_Occurred()) {
        return NULL;
    }
    Py_RETURN_NONE;
}

static PyObject*
test_throw_exact(PyObject* self, PyObject* args)
{
    PyGreenlet* g = NULL;
    PyObject* typ = NULL;
    PyObject* val = NULL;
    PyObject* tb = NULL;

    if (!PyArg_ParseTuple(args, "OOOO:throw", &g, &typ, &val, &tb)) {
        return NULL;
    }

    PyGreenlet_Throw(g, typ, val, tb);
    if (PyErr_Occurred()) {
        return NULL;
    }
    Py_RETURN_NONE;
}

static PyMethodDef test_methods[] = {
    {"test_switch",
     (PyCFunction)test_switch,
     METH_O,
     "Switch to the provided greenlet sending provided arguments, and \n"
     "return the results."},
    {"test_switch_kwargs",
     (PyCFunction)test_switch_kwargs,
     METH_VARARGS | METH_KEYWORDS,
     "Switch to the provided greenlet sending the provided keyword args."},
    {"test_getcurrent",
     (PyCFunction)test_getcurrent,
     METH_NOARGS,
     "Test PyGreenlet_GetCurrent()"},
    {"test_setparent",
     (PyCFunction)test_setparent,
     METH_O,
     "Se the parent of the provided greenlet and switch to it."},
    {"test_new_greenlet",
     (PyCFunction)test_new_greenlet,
     METH_O,
     "Test PyGreenlet_New()"},
    {"test_raise_dead_greenlet",
     (PyCFunction)test_raise_dead_greenlet,
     METH_NOARGS,
     "Just raise greenlet.GreenletExit"},
    {"test_raise_greenlet_error",
     (PyCFunction)test_raise_greenlet_error,
     METH_NOARGS,
     "Just raise greenlet.error"},
    {"test_throw",
     (PyCFunction)test_throw,
     METH_O,
     "Throw a ValueError at the provided greenlet"},
    {"test_throw_exact",
     (PyCFunction)test_throw_exact,
     METH_VARARGS,
     "Throw exactly the arguments given at the provided greenlet"},
    {NULL, NULL, 0, NULL}
};


#define INITERROR return NULL

static struct PyModuleDef moduledef = {PyModuleDef_HEAD_INIT,
                                       TEST_MODULE_NAME,
                                       NULL,
                                       0,
                                       test_methods,
                                       NULL,
                                       NULL,
                                       NULL,
                                       NULL};

PyMODINIT_FUNC
PyInit__test_extension(void)
{
    PyObject* module = NULL;
    module = PyModule_Create(&moduledef);

    if (module == NULL) {
        return NULL;
    }

    PyGreenlet_Import();
    return module;
}