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1// Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com)
2#include "gtest/gtest.h"
3
4#include "runtime.h"
5#include "test-utils.h"
6
7namespace py {
8namespace testing {
9
10using UnderWarningsModuleTest = RuntimeFixture;
11
12TEST_F(UnderWarningsModuleTest, ModuleImporting) {
13 ASSERT_FALSE(runFromCStr(runtime_, R"(
14import _warnings
15 )")
16 .isError());
17 RawObject warnings = mainModuleAt(runtime_, "_warnings");
18 EXPECT_TRUE(warnings.isModule());
19}
20
21TEST_F(UnderWarningsModuleTest, WarnDoesNothing) {
22 // TODO(T39431178): _warnings.warn() should actually do things.
23 HandleScope scope(thread_);
24 ASSERT_FALSE(runFromCStr(runtime_, R"(
25import _warnings
26result = _warnings.warn("something went wrong")
27)")
28 .isError());
29 Object result(&scope, mainModuleAt(runtime_, "result"));
30 EXPECT_TRUE(result.isNoneType());
31}
32
33TEST_F(UnderWarningsModuleTest, WarnWithNoArgsRaisesTypeError) {
34 EXPECT_TRUE(
35 raisedWithStr(runFromCStr(runtime_, R"(
36import _warnings
37_warnings.warn()
38)"),
39 LayoutId::kTypeError,
40 "'warn' takes min 1 positional arguments but 0 given"));
41}
42
43TEST_F(UnderWarningsModuleTest, WarnWithInvalidCategoryRaisesTypeError) {
44 EXPECT_TRUE(raisedWithStr(runFromCStr(runtime_, R"(
45import _warnings
46_warnings.warn("warning!", 1234)
47)"),
48 LayoutId::kTypeError,
49 "category must be a Warning subclass"));
50}
51
52TEST_F(UnderWarningsModuleTest, WarnWithLargeStacklevelRaisesOverflowError) {
53 EXPECT_TRUE(raisedWithStr(runFromCStr(runtime_, R"(
54import _warnings
55_warnings.warn("hello", stacklevel=1180591620717411303424) # 2 ** 70
56)"),
57 LayoutId::kOverflowError,
58 "Python int too large to convert to C ssize_t"));
59}
60
61TEST_F(UnderWarningsModuleTest, WarnWithInvalidKwRaisesTypeError) {
62 EXPECT_TRUE(
63 raisedWithStr(runFromCStr(runtime_, R"(
64import _warnings
65_warnings.warn("hello", stack_level=3)
66 )"),
67 LayoutId::kTypeError,
68 "warn() got an unexpected keyword argument 'stack_level'"));
69}
70
71} // namespace testing
72} // namespace py