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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/preload_check_group.h"
#include <memory>
#include <vector>
#include "content/public/test/browser_task_environment.h"
#include "extensions/browser/preload_check_test_util.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
PreloadCheck::Error kDummyError1 = PreloadCheck::Error::kDisallowedByPolicy;
PreloadCheck::Error kDummyError2 = PreloadCheck::Error::kBlocklistedId;
PreloadCheck::Error kDummyError3 = PreloadCheck::Error::kBlocklistedUnknown;
}
class PreloadCheckGroupTest : public testing::Test {
public:
PreloadCheckGroupTest()
: check_group_(std::make_unique<PreloadCheckGroup>()) {}
~PreloadCheckGroupTest() override {}
protected:
// Adds a check to |check_group_|, storing its unique_ptr in |checks_|.
void AddCheck(PreloadCheck::Errors errors, bool is_async = false) {
auto check_stub = std::make_unique<PreloadCheckStub>(errors);
check_stub->set_is_async(is_async);
check_group_->AddCheck(check_stub.get());
checks_.push_back(std::move(check_stub));
}
// Convenience method for add an async check.
void AddAsyncCheck(PreloadCheck::Errors errors) {
AddCheck(errors, /*is_async=*/true);
}
// Verifies that all checks have started.
void ExpectStarted() {
for (const auto& check : checks_)
EXPECT_TRUE(check->started());
}
PreloadCheckRunner runner_;
std::vector<std::unique_ptr<PreloadCheckStub>> checks_;
std::unique_ptr<PreloadCheckGroup> check_group_;
private:
// Required for the asynchronous tests.
content::BrowserTaskEnvironment task_environment_;
};
// Tests multiple succeeding checks.
TEST_F(PreloadCheckGroupTest, Succeed) {
for (int i = 0; i < 3; i++)
AddCheck(PreloadCheck::Errors());
runner_.Run(check_group_.get());
ExpectStarted();
EXPECT_EQ(0u, runner_.errors().size());
}
// Tests multiple succeeding sync and async checks.
TEST_F(PreloadCheckGroupTest, SucceedAsync) {
for (int i = 0; i < 2; i++) {
AddCheck(PreloadCheck::Errors());
AddAsyncCheck(PreloadCheck::Errors());
}
runner_.RunUntilComplete(check_group_.get());
ExpectStarted();
EXPECT_EQ(0u, runner_.errors().size());
}
// Tests failing checks.
TEST_F(PreloadCheckGroupTest, Fail) {
AddCheck(PreloadCheck::Errors());
AddAsyncCheck({kDummyError1, kDummyError2});
AddCheck({kDummyError3});
runner_.Run(check_group_.get());
ExpectStarted();
EXPECT_FALSE(runner_.called());
// The runner is called with all errors.
runner_.WaitForComplete();
EXPECT_EQ(3u, runner_.errors().size());
}
// Tests failing synchronous checks with stop_on_first_error.
TEST_F(PreloadCheckGroupTest, FailFast) {
check_group_->set_stop_on_first_error(true);
AddCheck({kDummyError1, kDummyError2});
AddCheck({kDummyError3});
runner_.Run(check_group_.get());
// After the first check fails, the remaining checks should not be started.
EXPECT_TRUE(checks_[0]->started());
EXPECT_FALSE(checks_[1]->started());
// The callback of PreloadCheckGroup is called aynchronously.
runner_.WaitForComplete();
EXPECT_TRUE(runner_.called());
EXPECT_THAT(runner_.errors(),
testing::UnorderedElementsAre(kDummyError1, kDummyError2));
}
// Tests failing asynchronous checks with stop_on_first_error.
TEST_F(PreloadCheckGroupTest, FailFastAsync) {
check_group_->set_stop_on_first_error(true);
AddCheck(PreloadCheck::Errors());
AddAsyncCheck(PreloadCheck::Errors());
AddAsyncCheck({kDummyError1});
AddAsyncCheck({kDummyError2});
runner_.Run(check_group_.get());
// All checks were started, because the sync check passes.
ExpectStarted();
EXPECT_FALSE(runner_.called());
runner_.WaitForComplete();
// The first async check should have failed, triggering fail fast. The
// second async check's failure should be ignored.
EXPECT_THAT(runner_.errors(), testing::UnorderedElementsAre(kDummyError1));
}
// Tests we don't crash when the PreloadCheckGroup is destroyed prematurely.
TEST_F(PreloadCheckGroupTest, DestroyPreloadCheckGroup) {
AddAsyncCheck({kDummyError1});
AddAsyncCheck({kDummyError2});
runner_.Run(check_group_.get());
check_group_.reset();
// Checks should have been started, but the runner is never called.
ExpectStarted();
runner_.WaitForIdle();
EXPECT_FALSE(runner_.called());
}
} // namespace extensions
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