//
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// Copyright (C) 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/common/proxy_resolver.h"
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#include <deque>
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#include <string>
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#include <gtest/gtest.h>
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#include <base/bind.h>
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#include <brillo/message_loops/fake_message_loop.h>
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using std::deque;
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using std::string;
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namespace chromeos_update_engine {
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class ProxyResolverTest : public ::testing::Test {
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protected:
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virtual ~ProxyResolverTest() = default;
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void SetUp() override { loop_.SetAsCurrent(); }
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void TearDown() override { EXPECT_FALSE(loop_.PendingTasks()); }
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brillo::FakeMessageLoop loop_{nullptr};
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DirectProxyResolver resolver_;
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};
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TEST_F(ProxyResolverTest, DirectProxyResolverCallbackTest) {
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bool called = false;
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deque<string> callback_proxies;
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auto callback = base::Bind(
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[](bool* called,
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deque<string>* callback_proxies,
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const deque<string>& proxies) {
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*called = true;
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*callback_proxies = proxies;
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},
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&called,
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&callback_proxies);
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EXPECT_NE(kProxyRequestIdNull,
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resolver_.GetProxiesForUrl("http://foo", callback));
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// Check the callback is not called until the message loop runs.
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EXPECT_FALSE(called);
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loop_.Run();
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EXPECT_TRUE(called);
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EXPECT_EQ(kNoProxy, callback_proxies.front());
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}
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TEST_F(ProxyResolverTest, DirectProxyResolverCancelCallbackTest) {
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bool called = false;
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auto callback = base::Bind(
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[](bool* called, const deque<string>& proxies) { *called = true; },
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&called);
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ProxyRequestId request = resolver_.GetProxiesForUrl("http://foo", callback);
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EXPECT_FALSE(called);
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EXPECT_TRUE(resolver_.CancelProxyRequest(request));
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loop_.Run();
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EXPECT_FALSE(called);
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}
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TEST_F(ProxyResolverTest, DirectProxyResolverSimultaneousCallbacksTest) {
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int called = 0;
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auto callback = base::Bind(
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[](int* called, const deque<string>& proxies) { (*called)++; }, &called);
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resolver_.GetProxiesForUrl("http://foo", callback);
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resolver_.GetProxiesForUrl("http://bar", callback);
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EXPECT_EQ(0, called);
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loop_.Run();
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EXPECT_EQ(2, called);
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}
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} // namespace chromeos_update_engine
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