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
22using namespace folly;
23
24class 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
36TEST(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