Extract a base class from CommandLinePrefStore

chrome/browser/prefs/command_line_pref_store_proxy_unittest.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/prefs/command_line_pref_store.h"
-
-#include <gtest/gtest.h>
-#include <stddef.h>
-
-#include "base/command_line.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/prefs/command_line_pref_store.h"
-#include "chrome/common/chrome_switches.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/pref_service.h"
-#include "components/proxy_config/pref_proxy_config_tracker_impl.h"
-#include "components/syncable_prefs/pref_service_mock_factory.h"
-#include "net/proxy/proxy_config_service_common_unittest.h"
-#include "url/gurl.h"
-
-namespace {
-
-// Test parameter object for testing command line proxy configuration.
-struct CommandLineTestParams {
-  // Short description to identify the test.
-  const char* description;
-
-  // The command line to build a ProxyConfig from.
-  struct SwitchValue {
-    const char* name;
-    const char* value;
-  } switches[2];
-
-  // Expected outputs (fields of the ProxyConfig).
-  bool is_null;
-  bool auto_detect;
-  GURL pac_url;
-  net::ProxyRulesExpectation proxy_rules;
-};
-
-void PrintTo(const CommandLineTestParams& params, std::ostream* os) {
-  *os << params.description;
-}
-
-static const CommandLineTestParams kCommandLineTestParams[] = {
-    {
-        "Empty command line",
-        // Input
-        {},
-        // Expected result
-        true,    // is_null
-        false,   // auto_detect
-        GURL(),  // pac_url
-        net::ProxyRulesExpectation::Empty(),
-    },
-    {
-        "No proxy",
-        // Input
-        {
-            {switches::kNoProxyServer, NULL},
-        },
-        // Expected result
-        false,   // is_null
-        false,   // auto_detect
-        GURL(),  // pac_url
-        net::ProxyRulesExpectation::Empty(),
-    },
-    {
-        "No proxy with extra parameters.",
-        // Input
-        {
-            {switches::kNoProxyServer, NULL},
-            {switches::kProxyServer, "http://proxy:8888"},
-        },
-        // Expected result
-        false,   // is_null
-        false,   // auto_detect
-        GURL(),  // pac_url
-        net::ProxyRulesExpectation::Empty(),
-    },
-    {
-        "Single proxy.",
-        // Input
-        {
-            {switches::kProxyServer, "http://proxy:8888"},
-        },
-        // Expected result
-        false,                                            // is_null
-        false,                                            // auto_detect
-        GURL(),                                           // pac_url
-        net::ProxyRulesExpectation::Single("proxy:8888",  // single proxy
-                                           ""),           // bypass rules
-    },
-    {
-        "Per scheme proxy.",
-        // Input
-        {
-            {switches::kProxyServer, "http=httpproxy:8888;ftp=ftpproxy:8889"},
-        },
-        // Expected result
-        false,                                                   // is_null
-        false,                                                   // auto_detect
-        GURL(),                                                  // pac_url
-        net::ProxyRulesExpectation::PerScheme("httpproxy:8888",  // http
-                                              "",                // https
-                                              "ftpproxy:8889",   // ftp
-                                              ""),               // bypass rules
-    },
-    {
-        "Per scheme proxy with bypass URLs.",
-        // Input
-        {
-            {switches::kProxyServer, "http=httpproxy:8888;ftp=ftpproxy:8889"},
-            {switches::kProxyBypassList,
-             ".google.com, foo.com:99, 1.2.3.4:22, 127.0.0.1/8"},
-        },
-        // Expected result
-        false,   // is_null
-        false,   // auto_detect
-        GURL(),  // pac_url
-        net::ProxyRulesExpectation::PerScheme(
-            "httpproxy:8888",  // http
-            "",                // https
-            "ftpproxy:8889",   // ftp
-            "*.google.com,foo.com:99,1.2.3.4:22,127.0.0.1/8"),
-    },
-    {
-        "Pac URL",
-        // Input
-        {
-            {switches::kProxyPacUrl, "http://wpad/wpad.dat"},
-        },
-        // Expected result
-        false,                         // is_null
-        false,                         // auto_detect
-        GURL("http://wpad/wpad.dat"),  // pac_url
-        net::ProxyRulesExpectation::Empty(),
-    },
-    {
-        "Autodetect",
-        // Input
-        {
-            {switches::kProxyAutoDetect, NULL},
-        },
-        // Expected result
-        false,   // is_null
-        true,    // auto_detect
-        GURL(),  // pac_url
-        net::ProxyRulesExpectation::Empty(),
-    },
-};
-
-}  // namespace
-
-class CommandLinePrefStoreProxyTest
-    : public testing::TestWithParam<CommandLineTestParams> {
- protected:
-  CommandLinePrefStoreProxyTest()
-      : command_line_(base::CommandLine::NO_PROGRAM) {}
-
-  net::ProxyConfig* proxy_config() { return &proxy_config_; }
-
-  void SetUp() override {
-    for (size_t i = 0; i < arraysize(GetParam().switches); i++) {
-      const char* name = GetParam().switches[i].name;
-      const char* value = GetParam().switches[i].value;
-      if (name && value)
-        command_line_.AppendSwitchASCII(name, value);
-      else if (name)
-        command_line_.AppendSwitch(name);
-    }
-    scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple;
-    PrefProxyConfigTrackerImpl::RegisterPrefs(registry.get());
-    syncable_prefs::PrefServiceMockFactory factory;
-    factory.set_command_line_prefs(new CommandLinePrefStore(&command_line_));
-    pref_service_ = factory.Create(registry.get());
-    PrefProxyConfigTrackerImpl::ReadPrefConfig(pref_service_.get(),
-                                               &proxy_config_);
-  }
-
- private:
-  base::CommandLine command_line_;
-  std::unique_ptr<PrefService> pref_service_;
-  net::ProxyConfig proxy_config_;
-};
-
-TEST_P(CommandLinePrefStoreProxyTest, CommandLine) {
-  EXPECT_EQ(GetParam().auto_detect, proxy_config()->auto_detect());
-  EXPECT_EQ(GetParam().pac_url, proxy_config()->pac_url());
-  EXPECT_TRUE(GetParam().proxy_rules.Matches(proxy_config()->proxy_rules()));
-}
-
-INSTANTIATE_TEST_CASE_P(CommandLinePrefStoreProxyTestInstance,
-                        CommandLinePrefStoreProxyTest,
-                        testing::ValuesIn(kCommandLineTestParams));