1 | /* |
2 | * Copyright 2015-present Facebook, Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #include <folly/futures/Future.h> |
18 | #include <folly/portability/GTest.h> |
19 | |
20 | #include <memory> |
21 | |
22 | using namespace folly; |
23 | |
24 | class TestData : public RequestData { |
25 | public: |
26 | explicit TestData(int data) : data_(data) {} |
27 | ~TestData() override {} |
28 | |
29 | bool hasCallback() override { |
30 | return false; |
31 | } |
32 | |
33 | int data_; |
34 | }; |
35 | |
36 | TEST(Context, basic) { |
37 | // Start a new context |
38 | folly::RequestContextScopeGuard rctx; |
39 | |
40 | EXPECT_EQ(nullptr, RequestContext::get()->getContextData("test" )); |
41 | |
42 | // Set some test data |
43 | RequestContext::get()->setContextData("test" , std::make_unique<TestData>(10)); |
44 | |
45 | // Start a future |
46 | Promise<Unit> p; |
47 | auto future = p.getFuture().thenValue([&](auto&&) { |
48 | // Check that the context followed the future |
49 | EXPECT_TRUE(RequestContext::get() != nullptr); |
50 | auto a = |
51 | dynamic_cast<TestData*>(RequestContext::get()->getContextData("test" )); |
52 | auto data = a->data_; |
53 | EXPECT_EQ(10, data); |
54 | }); |
55 | |
56 | // Clear the context |
57 | folly::RequestContextScopeGuard rctx2; |
58 | |
59 | EXPECT_EQ(nullptr, RequestContext::get()->getContextData("test" )); |
60 | |
61 | // Fulfill the promise |
62 | p.setValue(); |
63 | } |
64 | |