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ash / user_education / user_education_ash_test_base.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/user_education/user_education_ash_test_base.h"
#include <map>
#include <memory>
#include <optional>
#include "ash/test_shell_delegate.h"
#include "ash/user_education/mock_user_education_delegate.h"
#include "ash/user_education/user_education_types.h"
#include "base/callback_list.h"
#include "base/memory/ref_counted.h"
#include "base/test/bind.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace ash {
namespace {
// Aliases.
using ::testing::Invoke;
using ::testing::WithArg;
using ::testing::WithArgs;
// RefCountedMap ---------------------------------------------------------------
// A reference counted wrapper around a `std::map<K, V>`.
template <typename K, typename V>
class RefCountedMap : public base::RefCounted<RefCountedMap<K, V>> {
public:
RefCountedMap() = default;
RefCountedMap(const RefCountedMap&) = delete;
RefCountedMap& operator=(const RefCountedMap&) = delete;
// Returns a reference to the underlying `map_`.
std::map<K, V>& get() { return map_; }
private:
friend class base::RefCounted<RefCountedMap<K, V>>;
~RefCountedMap() = default;
std::map<K, V> map_;
};
} // namespace
// UserEducationAshTestBase ----------------------------------------------------
UserEducationAshTestBase::UserEducationAshTestBase(
base::test::TaskEnvironment::TimeSource time_source)
: NoSessionAshTestBase(time_source) {}
void UserEducationAshTestBase::SetUp() {
// Mock the `user_education_delegate_`.
auto shell_delegate = std::make_unique<TestShellDelegate>();
shell_delegate->SetUserEducationDelegateFactory(base::BindLambdaForTesting(
[&]() -> std::unique_ptr<UserEducationDelegate> {
// NOTE: It is expected that the `user_education_delegate_` be created
// once and only once.
EXPECT_EQ(user_education_delegate_, nullptr);
auto user_education_delegate =
std::make_unique<testing::NiceMock<MockUserEducationDelegate>>();
user_education_delegate_ = user_education_delegate.get();
auto aborted_callbacks_by_tutorial_id = base::MakeRefCounted<
RefCountedMap<TutorialId, base::OnceClosureList>>();
// Provide a default implementation for `StartTutorial()` which
// caches `aborted_callbacks_by_tutorial_id`.
ON_CALL(*user_education_delegate, StartTutorial)
.WillByDefault(WithArgs<1, 4>(
Invoke([aborted_callbacks_by_tutorial_id](
TutorialId tutorial_id,
base::OnceClosure aborted_callback) mutable {
aborted_callbacks_by_tutorial_id->get()[tutorial_id]
.AddUnsafe(std::move(aborted_callback));
})));
// Provide a default implementation for `AbortTutorial()` which runs
// cached `aborted_callbacks_by_tutorial_id`.
ON_CALL(*user_education_delegate, AbortTutorial)
.WillByDefault(WithArg<1>(
Invoke([aborted_callbacks_by_tutorial_id](
std::optional<TutorialId> tutorial_id) mutable {
auto it = aborted_callbacks_by_tutorial_id->get().begin();
while (it != aborted_callbacks_by_tutorial_id->get().end()) {
if (!tutorial_id || it->first == tutorial_id) {
it->second.Notify();
it = aborted_callbacks_by_tutorial_id->get().erase(it);
continue;
}
++it;
}
})));
return user_education_delegate;
}));
NoSessionAshTestBase::SetUp(std::move(shell_delegate));
}
} // namespace ash