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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
|
"""
NOTE: this tests are also meant to be run as PyPy "applevel" tests.
This means that global imports will NOT be visible inside the test
functions. In particular, you have to "import pytest" inside the test in order
to be able to use e.g. pytest.raises (which on PyPy will be implemented by a
"fake pytest module")
"""
from .support import HPyTest
class TestObject(HPyTest):
def test_getattr(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy name, result;
name = HPyUnicode_FromString(ctx, "foo");
if (HPy_IsNull(name))
return HPy_NULL;
result = HPy_GetAttr(ctx, arg, name);
HPy_Close(ctx, name);
if (HPy_IsNull(result))
return HPy_NULL;
return result;
}
@EXPORT(f)
@INIT
""")
class Attrs:
def __init__(self, **kw):
for k, v in kw.items():
setattr(self, k, v)
class ClassAttr:
foo = 10
class PropAttr:
@property
def foo(self):
return 11
assert mod.f(Attrs(foo=5)) == 5
with pytest.raises(AttributeError):
mod.f(Attrs())
with pytest.raises(AttributeError):
mod.f(42)
assert mod.f(ClassAttr) == 10
assert mod.f(ClassAttr()) == 10
assert mod.f(PropAttr()) == 11
def test_getattr_s(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy result;
result = HPy_GetAttr_s(ctx, arg, "foo");
if (HPy_IsNull(result))
return HPy_NULL;
return result;
}
@EXPORT(f)
@INIT
""")
class Attrs:
def __init__(self, **kw):
for k, v in kw.items():
setattr(self, k, v)
class ClassAttr:
foo = 10
class PropAttr:
@property
def foo(self):
return 11
assert mod.f(Attrs(foo=5)) == 5
with pytest.raises(AttributeError):
mod.f(Attrs())
with pytest.raises(AttributeError):
mod.f(42)
assert mod.f(ClassAttr) == 10
assert mod.f(ClassAttr()) == 10
assert mod.f(PropAttr()) == 11
def test_hasattr(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy name;
int result;
name = HPyUnicode_FromString(ctx, "foo");
if (HPy_IsNull(name))
return HPy_NULL;
result = HPy_HasAttr(ctx, arg, name);
HPy_Close(ctx, name);
if (result == -1)
return HPy_NULL;
if (result)
return HPy_Dup(ctx, ctx->h_True);
return HPy_Dup(ctx, ctx->h_False);
}
@EXPORT(f)
@INIT
""")
class Attrs:
def __init__(self, **kw):
for k, v in kw.items():
setattr(self, k, v)
class ClassAttr:
foo = 10
class PropAttr:
@property
def foo(self):
return 11
class PropAttrRaising:
@property
def foo(self):
raise RuntimeError
assert mod.f(Attrs(foo=5)) is True
assert mod.f(Attrs()) is False
assert mod.f(42) is False
assert mod.f(ClassAttr) is True
assert mod.f(ClassAttr()) is True
assert mod.f(PropAttr()) is True
assert mod.f(PropAttrRaising()) is False
def test_hasattr_s(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
int result;
result = HPy_HasAttr_s(ctx, arg, "foo");
if (result == -1)
return HPy_NULL;
if (result)
return HPy_Dup(ctx, ctx->h_True);
return HPy_Dup(ctx, ctx->h_False);
}
@EXPORT(f)
@INIT
""")
class Attrs:
def __init__(self, **kw):
for k, v in kw.items():
setattr(self, k, v)
class ClassAttr:
foo = 10
class PropAttr:
@property
def foo(self):
return 11
class PropAttrRaising:
@property
def foo(self):
raise RuntimeError
assert mod.f(Attrs(foo=5)) is True
assert mod.f(Attrs()) is False
assert mod.f(42) is False
assert mod.f(ClassAttr) is True
assert mod.f(ClassAttr()) is True
assert mod.f(PropAttr()) is True
assert mod.f(PropAttrRaising()) is False
def test_setattr(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy name;
int result;
name = HPyUnicode_FromString(ctx, "foo");
if (HPy_IsNull(name))
return HPy_NULL;
result = HPy_SetAttr(ctx, arg, name, ctx->h_True);
HPy_Close(ctx, name);
if (result < 0)
return HPy_NULL;
return HPy_Dup(ctx, ctx->h_None);
}
@EXPORT(f)
@INIT
""")
class Attrs:
pass
class ClassAttr:
pass
class ReadOnlyPropAttr:
@property
def foo(self):
return 11
class WritablePropAttr:
@property
def foo(self):
return self._foo
@foo.setter
def foo(self, value):
self._foo = value
a = Attrs()
mod.f(a)
assert a.foo is True
mod.f(ClassAttr)
assert ClassAttr.foo is True
assert ClassAttr().foo is True
with pytest.raises(AttributeError):
mod.f(object())
with pytest.raises(AttributeError):
mod.f(ReadOnlyPropAttr())
b = WritablePropAttr()
mod.f(b)
assert b.foo is True
def test_setattr_s(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
int result;
result = HPy_SetAttr_s(ctx, arg, "foo", ctx->h_True);
if (result < 0)
return HPy_NULL;
return HPy_Dup(ctx, ctx->h_None);
}
@EXPORT(f)
@INIT
""")
class Attrs:
pass
class ClassAttr:
pass
class ReadOnlyPropAttr:
@property
def foo(self):
return 11
class WritablePropAttr:
@property
def foo(self):
return self._foo
@foo.setter
def foo(self, value):
self._foo = value
a = Attrs()
mod.f(a)
assert a.foo is True
mod.f(ClassAttr)
assert ClassAttr.foo is True
assert ClassAttr().foo is True
with pytest.raises(AttributeError):
mod.f(object())
with pytest.raises(AttributeError):
mod.f(ReadOnlyPropAttr())
b = WritablePropAttr()
mod.f(b)
assert b.foo is True
def test_getitem(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy key, result;
key = HPyLong_FromLong(ctx, 3);
if (HPy_IsNull(key))
return HPy_NULL;
result = HPy_GetItem(ctx, arg, key);
HPy_Close(ctx, key);
if (HPy_IsNull(result))
return HPy_NULL;
return result;
}
@EXPORT(f)
@INIT
""")
assert mod.f({3: "hello"}) == "hello"
with pytest.raises(KeyError) as exc:
mod.f({1: "bad"})
assert exc.value.args == (3,)
assert mod.f([0, 1, 2, "hello"]) == "hello"
with pytest.raises(IndexError):
mod.f([])
def test_getitem_i(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy result;
result = HPy_GetItem_i(ctx, arg, 3);
if (HPy_IsNull(result))
return HPy_NULL;
return result;
}
@EXPORT(f)
@INIT
""")
assert mod.f({3: "hello"}) == "hello"
with pytest.raises(KeyError) as exc:
mod.f({1: "bad"})
assert exc.value.args == (3,)
assert mod.f([0, 1, 2, "hello"]) == "hello"
with pytest.raises(IndexError):
mod.f([])
def test_getitem_s(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy result;
result = HPy_GetItem_s(ctx, arg, "limes");
if (HPy_IsNull(result))
return HPy_NULL;
return result;
}
@EXPORT(f)
@INIT
""")
assert mod.f({"limes": "hello"}) == "hello"
with pytest.raises(KeyError) as exc:
mod.f({"oranges": "bad"})
assert exc.value.args == ("limes",)
with pytest.raises(TypeError):
mod.f([])
def test_setitem(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy key;
int result;
key = HPyLong_FromLong(ctx, 3);
if (HPy_IsNull(key))
return HPy_NULL;
result = HPy_SetItem(ctx, arg, key, ctx->h_True);
HPy_Close(ctx, key);
if (result < 0)
return HPy_NULL;
return HPy_Dup(ctx, arg);
}
@EXPORT(f)
@INIT
""")
assert mod.f({}) == {3: True}
assert mod.f({"a": 1}) == {"a": 1, 3: True}
assert mod.f({3: False}) == {3: True}
assert mod.f([0, 1, 2, False]) == [0, 1, 2, True]
with pytest.raises(IndexError):
mod.f([])
def test_setitem_i(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
int result;
result = HPy_SetItem_i(ctx, arg, 3, ctx->h_True);
if (result < 0)
return HPy_NULL;
return HPy_Dup(ctx, arg);
}
@EXPORT(f)
@INIT
""")
assert mod.f({}) == {3: True}
assert mod.f({"a": 1}) == {"a": 1, 3: True}
assert mod.f({3: False}) == {3: True}
assert mod.f([0, 1, 2, False]) == [0, 1, 2, True]
with pytest.raises(IndexError):
mod.f([])
def test_setitem_s(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
int result;
result = HPy_SetItem_s(ctx, arg, "limes", ctx->h_True);
if (result < 0)
return HPy_NULL;
return HPy_Dup(ctx, arg);
}
@EXPORT(f)
@INIT
""")
assert mod.f({}) == {"limes": True}
assert mod.f({"a": 1}) == {"a": 1, "limes": True}
assert mod.f({"limes": False}) == {"limes": True}
with pytest.raises(TypeError):
mod.f([])
def test_length(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy_ssize_t result;
result = HPy_Length(ctx, arg);
if (result < 0)
return HPy_NULL;
return HPyLong_FromSsize_t(ctx, result);
}
@EXPORT(f)
@INIT
""")
assert mod.f([5,6,7,8]) == 4
assert mod.f({"a": 1}) == 1
def test_contains(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_VARARGS)
static HPy f_impl(HPyContext *ctx, HPy self, HPy *args, HPy_ssize_t nargs)
{
int result = HPy_Contains(ctx, args[0], args[1]);
if (result == -1) {
return HPy_NULL;
}
return HPyLong_FromLong(ctx, result);
}
@EXPORT(f)
@INIT
""")
class WithContains:
def __contains__(self, item):
return item == 42
class WithIter:
def __iter__(self):
return [1, 2, 3].__iter__()
class WithGetitem:
def __getitem__(self, item):
if item > 3:
raise IndexError()
else:
return item
class Dummy:
pass
assert mod.f([5, 6, 42, 7, 8], 42)
assert not mod.f([5, 6, 42, 7, 8], 4)
assert mod.f(WithContains(), 42)
assert not mod.f(WithContains(), 1)
assert mod.f(WithIter(), 2)
assert not mod.f(WithIter(), 33)
assert mod.f(WithGetitem(), 2)
assert not mod.f(WithGetitem(), 33)
import pytest
with pytest.raises(TypeError):
mod.f(Dummy(), 42)
def test_dump(self):
# _HPy_Dump is supposed to be used e.g. inside a gdb session: it
# prints various about the given handle to stdout, and it's
# implementation-specific. As such, it's hard to write a meaningful
# test: let's just call it an check it doesn't crash.
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
_HPy_Dump(ctx, arg);
return HPy_Dup(ctx, ctx->h_None);
}
@EXPORT(f)
@INIT
""")
mod.f('hello')
def test_type(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
return HPy_Type(ctx, arg);
}
@EXPORT(f)
@INIT
""")
assert mod.f('hello') is str
assert mod.f(42) is int
def test_typecheck(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_VARARGS)
static HPy f_impl(HPyContext *ctx, HPy self, HPy *args, HPy_ssize_t nargs)
{
HPy a, b;
if (!HPyArg_Parse(ctx, NULL, args, nargs, "OO", &a, &b))
return HPy_NULL;
int res = HPy_TypeCheck(ctx, a, b);
return HPyBool_FromLong(ctx, res);
}
@EXPORT(f)
@INIT
""")
class MyStr(str):
pass
assert mod.f('hello', str)
assert not mod.f('hello', int)
assert mod.f(MyStr('hello'), str)
def test_is(self):
mod = self.make_module("""
HPyDef_METH(f, "f", f_impl, HPyFunc_VARARGS)
static HPy f_impl(HPyContext *ctx, HPy self, HPy *args, HPy_ssize_t nargs)
{
HPy obj, other;
if (!HPyArg_Parse(ctx, NULL, args, nargs, "OO", &obj, &other))
return HPy_NULL;
int res = HPy_Is(ctx, obj, other);
return HPyBool_FromLong(ctx, res);
}
@EXPORT(f)
@INIT
""")
assert mod.f(None, None)
a = object()
assert mod.f(a, a)
assert not mod.f(a, None)
|
