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
|
/*
* Copyright 2018 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <chrono> // NOLINT(build/c++11)
#include "Firestore/core/src/firebase/firestore/remote/exponential_backoff.h"
#include "Firestore/core/src/firebase/firestore/util/async_queue.h"
#include "Firestore/core/src/firebase/firestore/util/executor_std.h"
#include "Firestore/core/test/firebase/firestore/util/async_tests_util.h"
#include "absl/memory/memory.h"
#include "gtest/gtest.h"
using firebase::firestore::util::AsyncQueue;
using firebase::firestore::util::TestWithTimeoutMixin;
using firebase::firestore::util::TimerId;
using firebase::firestore::util::internal::ExecutorStd;
namespace chr = std::chrono;
namespace firebase {
namespace firestore {
namespace remote {
class ExponentialBackoffTest : public TestWithTimeoutMixin,
public testing::Test {
public:
ExponentialBackoffTest()
: queue{absl::make_unique<ExecutorStd>()},
backoff{&queue, timer_id, 1.5, chr::seconds{5}, chr::seconds{30}} {
}
TimerId timer_id = TimerId::ListenStreamConnectionBackoff;
AsyncQueue queue;
ExponentialBackoff backoff;
};
TEST_F(ExponentialBackoffTest, CanScheduleOperations) {
EXPECT_FALSE(queue.IsScheduled(timer_id));
queue.EnqueueBlocking([&] {
backoff.BackoffAndRun([&] { signal_finished(); });
EXPECT_TRUE(queue.IsScheduled(timer_id));
});
EXPECT_TRUE(WaitForTestToFinish());
EXPECT_FALSE(queue.IsScheduled(timer_id));
}
TEST_F(ExponentialBackoffTest, CanCancelOperations) {
std::string str{"untouched"};
EXPECT_FALSE(queue.IsScheduled(timer_id));
queue.EnqueueBlocking([&] {
backoff.BackoffAndRun([&] { str = "Shouldn't be modified"; });
EXPECT_TRUE(queue.IsScheduled(timer_id));
backoff.Cancel();
});
EXPECT_FALSE(queue.IsScheduled(timer_id));
EXPECT_EQ(str, "untouched");
}
TEST_F(ExponentialBackoffTest, SequentialCallsToBackoffAndRun) {
queue.EnqueueBlocking([&] {
backoff.BackoffAndRun([] {});
backoff.BackoffAndRun([] {});
backoff.BackoffAndRun([&] { signal_finished(); });
});
// The chosen value of initial_delay is large enough that it shouldn't be
// realistically possible for backoff to finish already.
queue.RunScheduledOperationsUntil(timer_id);
EXPECT_TRUE(WaitForTestToFinish());
}
} // namespace remote
} // namespace firestore
} // namespace firebase
|
