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//
// Copyright (C) 2017 The Android Open Source Project
//
// 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 "update_engine/proxy_resolver.h"
#include <deque>
#include <string>
#include <gtest/gtest.h>
#include <base/bind.h>
#include <brillo/bind_lambda.h>
#include <brillo/message_loops/fake_message_loop.h>
using std::deque;
using std::string;
namespace chromeos_update_engine {
class ProxyResolverTest : public ::testing::Test {
protected:
virtual ~ProxyResolverTest() = default;
void SetUp() override { loop_.SetAsCurrent(); }
void TearDown() override { EXPECT_FALSE(loop_.PendingTasks()); }
brillo::FakeMessageLoop loop_{nullptr};
DirectProxyResolver resolver_;
};
TEST_F(ProxyResolverTest, DirectProxyResolverCallbackTest) {
bool called = false;
deque<string> callback_proxies;
auto callback = base::Bind(
[](bool* called,
deque<string>* callback_proxies,
const deque<string>& proxies) {
*called = true;
*callback_proxies = proxies;
},
&called,
&callback_proxies);
EXPECT_NE(kProxyRequestIdNull,
resolver_.GetProxiesForUrl("http://foo", callback));
// Check the callback is not called until the message loop runs.
EXPECT_FALSE(called);
loop_.Run();
EXPECT_TRUE(called);
EXPECT_EQ(kNoProxy, callback_proxies.front());
}
TEST_F(ProxyResolverTest, DirectProxyResolverCancelCallbackTest) {
bool called = false;
auto callback = base::Bind(
[](bool* called, const deque<string>& proxies) { *called = true; },
&called);
ProxyRequestId request = resolver_.GetProxiesForUrl("http://foo", callback);
EXPECT_FALSE(called);
EXPECT_TRUE(resolver_.CancelProxyRequest(request));
loop_.Run();
EXPECT_FALSE(called);
}
TEST_F(ProxyResolverTest, DirectProxyResolverSimultaneousCallbacksTest) {
int called = 0;
auto callback = base::Bind(
[](int* called, const deque<string>& proxies) { (*called)++; }, &called);
resolver_.GetProxiesForUrl("http://foo", callback);
resolver_.GetProxiesForUrl("http://bar", callback);
EXPECT_EQ(0, called);
loop_.Run();
EXPECT_EQ(2, called);
}
} // namespace chromeos_update_engine