1//
2// Copyright (C) 2014 The Android Open Source Project
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#ifndef UPDATE_ENGINE_UPDATE_MANAGER_UMTEST_UTILS_H_
18#define UPDATE_ENGINE_UPDATE_MANAGER_UMTEST_UTILS_H_
19
20#include <iostream>  // NOLINT(readability/streams)
21#include <memory>
22
23#include <base/time/time.h>
24#include <gtest/gtest.h>
25
26#include "update_engine/update_manager/policy.h"
27#include "update_engine/update_manager/variable.h"
28
29namespace chromeos_update_manager {
30
31// A help class with common functionality for use in Update Manager testing.
32class UmTestUtils {
33 public:
34  // A default timeout to use when making various queries.
35  static const base::TimeDelta DefaultTimeout() {
36    return base::TimeDelta::FromSeconds(kDefaultTimeoutInSeconds);
37  }
38
39  // Calls GetValue on |variable| and expects its result to be |expected|.
40  template<typename T>
41  static void ExpectVariableHasValue(const T& expected, Variable<T>* variable) {
42    ASSERT_NE(nullptr, variable);
43    std::unique_ptr<const T> value(
44        variable->GetValue(DefaultTimeout(), nullptr));
45    ASSERT_NE(nullptr, value.get()) << "Variable: " << variable->GetName();
46    EXPECT_EQ(expected, *value) << "Variable: " << variable->GetName();
47  }
48
49  // Calls GetValue on |variable| and expects its result to be null.
50  template<typename T>
51  static void ExpectVariableNotSet(Variable<T>* variable) {
52    ASSERT_NE(nullptr, variable);
53    std::unique_ptr<const T> value(
54        variable->GetValue(DefaultTimeout(), nullptr));
55    EXPECT_EQ(nullptr, value.get()) << "Variable: " << variable->GetName();
56  }
57
58 private:
59  static const unsigned kDefaultTimeoutInSeconds;
60};
61
62// PrintTo() functions are used by gtest to print these values. They need to be
63// defined on the same namespace where the type was defined.
64void PrintTo(const EvalStatus& status, ::std::ostream* os);
65
66}  // namespace chromeos_update_manager
67
68#endif  // UPDATE_ENGINE_UPDATE_MANAGER_UMTEST_UTILS_H_
69