chrome/browser/extensions/api/proxy/proxy_api_helpers_unittest.cc - chromium/src.git - Git at Google

 // Copyright 2012 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 // Unit tests for helper functions for the Chrome Extensions Proxy Settings API.

 #include "chrome/browser/extensions/api/proxy/proxy_api_helpers.h"

 #include <memory>
 #include <utility>

 #include "base/values.h"
 #include "chrome/browser/extensions/api/proxy/proxy_api_constants.h"
 #include "components/proxy_config/proxy_config_dictionary.h"
 #include "components/proxy_config/proxy_prefs.h"
 #include "net/base/proxy_server.h"
 #include "net/base/proxy_string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"

 namespace extensions {

 namespace keys = proxy_api_constants;

 namespace {

 const char kSamplePacScript[] = "test";
 const char kSamplePacScriptAsDataUrl[] =
     "data:application/x-ns-proxy-autoconfig;base64,dGVzdA==";
 const char kSamplePacScriptAsDataUrl2[] =
     "data:;base64,dGVzdA==";
 const char kSamplePacScriptUrl[] = "http://wpad/wpad.dat";

 // Helper function to create a ProxyServer dictionary as defined in the
 // extension API.
 base::Value::Dict CreateTestProxyServerDict(const std::string& host) {
   base::Value::Dict dict;
   dict.Set(keys::kProxyConfigRuleHost, host);
   return dict;
 }

 // Helper function to create a ProxyServer dictionary as defined in the
 // extension API.
 base::Value::Dict CreateTestProxyServerDict(const std::string& schema,
                                             const std::string& host,
                                             int port) {
   base::Value::Dict dict;
   dict.Set(keys::kProxyConfigRuleScheme, schema);
   dict.Set(keys::kProxyConfigRuleHost, host);
   dict.Set(keys::kProxyConfigRulePort, port);
   return dict;
 }

 }  // namespace

 namespace proxy_api_helpers {

 TEST(ExtensionProxyApiHelpers, CreateDataURLFromPACScript) {
   EXPECT_EQ(kSamplePacScriptAsDataUrl,
             CreateDataURLFromPACScript(kSamplePacScript));
 }

 TEST(ExtensionProxyApiHelpers, CreatePACScriptFromDataURL) {
   std::string out;
   // Verify deserialization of a PAC data:// URL that we created ourselves.
   ASSERT_TRUE(CreatePACScriptFromDataURL(kSamplePacScriptAsDataUrl, &out));
   EXPECT_EQ(kSamplePacScript, out);

   // Check that we don't require a mime-type.
   out.clear();
   ASSERT_TRUE(CreatePACScriptFromDataURL(kSamplePacScriptAsDataUrl2, &out));
   EXPECT_EQ(kSamplePacScript, out);

   out.clear();
   EXPECT_FALSE(CreatePACScriptFromDataURL("http://www.google.com", &out));
 }

 TEST(ExtensionProxyApiHelpers, GetProxyModeFromExtensionPref) {
   base::Value::Dict proxy_config;
   ProxyPrefs::ProxyMode mode;
   std::string error;
   bool bad_message = false;

   // Test positive case.
   proxy_config.Set(keys::kProxyConfigMode,
                    ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_DIRECT));
   ASSERT_TRUE(
       GetProxyModeFromExtensionPref(proxy_config, &mode, &error, &bad_message));
   EXPECT_EQ(ProxyPrefs::MODE_DIRECT, mode);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);

   // Test negative case.
   proxy_config.Set(keys::kProxyConfigMode, "foobar");
   EXPECT_FALSE(
       GetProxyModeFromExtensionPref(proxy_config, &mode, &error, &bad_message));
   EXPECT_TRUE(bad_message);

   // Do not test |error|, as an invalid enumeration value is considered an
   // internal error. It should be filtered by the extensions API.
 }

 TEST(ExtensionProxyApiHelpers, GetPacUrlFromExtensionPref) {
   std::string out;
   std::string error;
   bool bad_message = false;

   base::Value::Dict proxy_config;
   proxy_config.Set(keys::kProxyConfigMode,
                    ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_PAC_SCRIPT));

   // Currently we are still missing a PAC script entry.
   // This is silently ignored.
   ASSERT_TRUE(
       GetPacUrlFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ(std::string(), out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);

   // Set up a pac script.
   base::Value::Dict pacScriptDict;
   pacScriptDict.Set(keys::kProxyConfigPacScriptUrl, kSamplePacScriptUrl);
   proxy_config.Set(keys::kProxyConfigPacScript, std::move(pacScriptDict));

   ASSERT_TRUE(
       GetPacUrlFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ(kSamplePacScriptUrl, out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, GetPacDataFromExtensionPref) {
   std::string out;
   std::string error;
   bool bad_message = false;

   base::Value::Dict proxy_config;
   proxy_config.Set(keys::kProxyConfigMode,
                    ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_PAC_SCRIPT));

   // Currently we are still missing a PAC data entry. This is silently ignored.
   ASSERT_TRUE(
       GetPacDataFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ(std::string(), out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);

   // Set up a PAC script.
   base::Value::Dict pacScriptDict;
   pacScriptDict.Set(keys::kProxyConfigPacScriptData, kSamplePacScript);
   proxy_config.Set(keys::kProxyConfigPacScript, std::move(pacScriptDict));

   ASSERT_TRUE(
       GetPacDataFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ(kSamplePacScript, out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, GetProxyRulesStringFromExtensionPref) {
   std::string out;
   std::string error;
   bool bad_message = false;

   base::Value::Dict proxy_config;
   proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
                                                ProxyPrefs::MODE_FIXED_SERVERS));

   // Currently we are still missing a proxy config entry.
   // This is silently ignored.
   ASSERT_TRUE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
                                                    &bad_message));
   EXPECT_EQ(std::string(), out);
   EXPECT_EQ(std::string(), error);

   base::Value::Dict proxy_rules;
   proxy_rules.Set(proxy_api_helpers::kFieldNames[1],
                   CreateTestProxyServerDict("proxy1"));
   proxy_rules.Set(proxy_api_helpers::kFieldNames[2],
                   CreateTestProxyServerDict("proxy2"));
   proxy_config.Set(keys::kProxyConfigRules, std::move(proxy_rules));

   ASSERT_TRUE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
                                                    &bad_message));
   EXPECT_EQ("http=proxy1:80;https=proxy2:80", out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, GetProxyRulesStringFromExtensionPrefInvalid) {
   static constexpr char kSingleProxy[] = "singleProxy";
   std::string out;
   std::string error;
   bool bad_message = false;

   base::Value::Dict proxy_config;
   proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
                                                ProxyPrefs::MODE_FIXED_SERVERS));
   base::Value::Dict invalidManualProxy;
   invalidManualProxy.Set(keys::kProxyConfigRuleHost, std::string());
   base::Value::Dict singleProxy;
   singleProxy.Set(kSingleProxy, std::move(invalidManualProxy));
   proxy_config.Set(keys::kProxyConfigRules, std::move(singleProxy));

   ASSERT_FALSE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
                                                     &bad_message));
   EXPECT_EQ(std::string(), out);
   EXPECT_EQ("Invalid 'rules.???.host' entry. Hostname cannot be empty.", error);
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, GetBypassListFromExtensionPref) {
   std::string out;
   std::string error;
   bool bad_message = false;

   base::Value::Dict proxy_config;
   proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
                                                ProxyPrefs::MODE_FIXED_SERVERS));

   // Currently we are still missing a proxy config entry.
   // This is silently ignored.
   ASSERT_TRUE(
       GetBypassListFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ(std::string(), out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);

   base::Value::List bypass_list;
   bypass_list.Append("host1");
   bypass_list.Append("host2");
   base::Value::Dict proxy_rules;
   proxy_rules.Set(keys::kProxyConfigBypassList, std::move(bypass_list));
   proxy_config.Set(keys::kProxyConfigRules, std::move(proxy_rules));

   ASSERT_TRUE(
       GetBypassListFromExtensionPref(proxy_config, &out, &error, &bad_message));
   EXPECT_EQ("host1,host2", out);
   EXPECT_EQ(std::string(), error);
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, CreateProxyConfigDict) {
   std::string error;
   base::Value::Dict exp_direct = ProxyConfigDictionary::CreateDirect();
   std::optional<base::Value::Dict> out_direct(CreateProxyConfigDict(
       ProxyPrefs::MODE_DIRECT, false, std::string(), std::string(),
       std::string(), std::string(), &error));
   EXPECT_EQ(exp_direct, *out_direct);

   base::Value::Dict exp_auto = ProxyConfigDictionary::CreateAutoDetect();
   std::optional<base::Value::Dict> out_auto(CreateProxyConfigDict(
       ProxyPrefs::MODE_AUTO_DETECT, false, std::string(), std::string(),
       std::string(), std::string(), &error));
   EXPECT_EQ(exp_auto, *out_auto);

   base::Value::Dict exp_pac_url =
       ProxyConfigDictionary::CreatePacScript(kSamplePacScriptUrl, false);
   std::optional<base::Value::Dict> out_pac_url(CreateProxyConfigDict(
       ProxyPrefs::MODE_PAC_SCRIPT, false, kSamplePacScriptUrl, std::string(),
       std::string(), std::string(), &error));
   EXPECT_EQ(exp_pac_url, *out_pac_url);

   base::Value::Dict exp_pac_data =
       ProxyConfigDictionary::CreatePacScript(kSamplePacScriptAsDataUrl, false);
   std::optional<base::Value::Dict> out_pac_data(CreateProxyConfigDict(
       ProxyPrefs::MODE_PAC_SCRIPT, false, std::string(), kSamplePacScript,
       std::string(), std::string(), &error));
   EXPECT_EQ(exp_pac_data, *out_pac_data);

   base::Value::Dict exp_fixed =
       ProxyConfigDictionary::CreateFixedServers("foo:80", "localhost");
   std::optional<base::Value::Dict> out_fixed(CreateProxyConfigDict(
       ProxyPrefs::MODE_FIXED_SERVERS, false, std::string(), std::string(),
       "foo:80", "localhost", &error));
   EXPECT_EQ(exp_fixed, *out_fixed);

   base::Value::Dict exp_system = ProxyConfigDictionary::CreateSystem();
   std::optional<base::Value::Dict> out_system(CreateProxyConfigDict(
       ProxyPrefs::MODE_SYSTEM, false, std::string(), std::string(),
       std::string(), std::string(), &error));
   EXPECT_EQ(exp_system, *out_system);

   // Neither of them should have set an error.
   EXPECT_EQ(std::string(), error);
 }

 TEST(ExtensionProxyApiHelpers, GetProxyServer) {
   base::Value::Dict proxy_server_dict;
   net::ProxyServer created;
   std::string error;
   bool bad_message = false;

   // Test simplest case, no schema nor port specified --> defaults are used.
   proxy_server_dict.Set(keys::kProxyConfigRuleHost, "proxy_server");
   ASSERT_TRUE(GetProxyServer(proxy_server_dict, net::ProxyServer::SCHEME_HTTP,
                              &created, &error, &bad_message));
   EXPECT_EQ("PROXY proxy_server:80",
             net::ProxyServerToPacResultElement(created));
   EXPECT_FALSE(bad_message);

   // Test complete case.
   proxy_server_dict.Set(keys::kProxyConfigRuleScheme, "socks4");
   proxy_server_dict.Set(keys::kProxyConfigRulePort, 1234);
   ASSERT_TRUE(GetProxyServer(proxy_server_dict, net::ProxyServer::SCHEME_HTTP,
                              &created, &error, &bad_message));
   EXPECT_EQ("SOCKS proxy_server:1234",
             net::ProxyServerToPacResultElement(created));
   EXPECT_FALSE(bad_message);
 }

 TEST(ExtensionProxyApiHelpers, JoinUrlList) {
   bool bad_message = false;
   base::Value::List list;
   list.Append("s1");
   list.Append("s2");
   list.Append("s3");

   std::string out;
   std::string error;
   ASSERT_TRUE(JoinUrlList(list, ";", &out, &error, &bad_message));
   EXPECT_EQ("s1;s2;s3", out);
   EXPECT_FALSE(bad_message);
 }

 // This tests CreateProxyServerDict as well.
 TEST(ExtensionProxyApiHelpers, CreateProxyRulesDict) {
   ProxyConfigDictionary config(ProxyConfigDictionary::CreateFixedServers(
       "http=proxy1:80;https=proxy2:80;ftp=proxy3:80;socks=proxy4:80",
       "localhost"));
   std::optional<base::Value::Dict> extension_pref =
       CreateProxyRulesDict(config);
   ASSERT_TRUE(extension_pref);

   base::Value::Dict expected;
   expected.Set("proxyForHttp", CreateTestProxyServerDict("http", "proxy1", 80));
   expected.Set("proxyForHttps",
                CreateTestProxyServerDict("http", "proxy2", 80));
   expected.Set("proxyForFtp", CreateTestProxyServerDict("http", "proxy3", 80));
   expected.Set("fallbackProxy",
                CreateTestProxyServerDict("socks4", "proxy4", 80));
   base::Value::List bypass_list;
   bypass_list.Append("localhost");
   expected.Set(keys::kProxyConfigBypassList, std::move(bypass_list));

   EXPECT_EQ(expected, *extension_pref);
 }

 // Test multiple proxies per scheme -- expect that only the first is returned.
 TEST(ExtensionProxyApiHelpers, CreateProxyRulesDictMultipleProxies) {
   ProxyConfigDictionary config(ProxyConfigDictionary::CreateFixedServers(
       "http=proxy1:80,default://;https=proxy2:80,proxy1:80;ftp=proxy3:80,"
       "https://proxy5:443;socks=proxy4:80,proxy1:80",
       "localhost"));
   std::optional<base::Value::Dict> extension_pref =
       CreateProxyRulesDict(config);
   ASSERT_TRUE(extension_pref);

   base::Value::Dict expected;
   expected.Set("proxyForHttp", CreateTestProxyServerDict("http", "proxy1", 80));
   expected.Set("proxyForHttps",
                CreateTestProxyServerDict("http", "proxy2", 80));
   expected.Set("proxyForFtp", CreateTestProxyServerDict("http", "proxy3", 80));
   expected.Set("fallbackProxy",
                CreateTestProxyServerDict("socks4", "proxy4", 80));
   base::Value::List bypass_list;
   bypass_list.Append("localhost");
   expected.Set(keys::kProxyConfigBypassList, std::move(bypass_list));

   EXPECT_EQ(expected, *extension_pref);
 }

 // Test if a PAC script URL is specified.
 TEST(ExtensionProxyApiHelpers, CreatePacScriptDictWithUrl) {
   ProxyConfigDictionary config(
       ProxyConfigDictionary::CreatePacScript(kSamplePacScriptUrl, false));
   std::optional<base::Value::Dict> extension_pref = CreatePacScriptDict(config);
   ASSERT_TRUE(extension_pref);

   base::Value::Dict expected;
   expected.Set(keys::kProxyConfigPacScriptUrl, kSamplePacScriptUrl);
   expected.Set(keys::kProxyConfigPacScriptMandatory, false);

   EXPECT_EQ(expected, *extension_pref);
 }

 // Test if a PAC script is encoded in a data URL.
 TEST(ExtensionProxyApiHelpers, CreatePacScriptDictWidthData) {
   ProxyConfigDictionary config(
       ProxyConfigDictionary::CreatePacScript(kSamplePacScriptAsDataUrl, false));
   std::optional<base::Value::Dict> extension_pref = CreatePacScriptDict(config);
   ASSERT_TRUE(extension_pref);

   base::Value::Dict expected;
   expected.Set(keys::kProxyConfigPacScriptData, kSamplePacScript);
   expected.Set(keys::kProxyConfigPacScriptMandatory, false);

   EXPECT_EQ(expected, *extension_pref);
 }

 TEST(ExtensionProxyApiHelpers, TokenizeToStringList) {
   base::Value::List expected;
   expected.Append("s1");
   expected.Append("s2");
   expected.Append("s3");

   base::Value::List out = TokenizeToStringList("s1;s2;s3", ";");
   EXPECT_EQ(expected, out);
 }

 }  // namespace proxy_api_helpers
 }  // namespace extensions
	// Copyright 2012 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	// Unit tests for helper functions for the Chrome Extensions Proxy Settings API.

	#include "chrome/browser/extensions/api/proxy/proxy_api_helpers.h"

	#include <memory>
	#include <utility>

	#include "base/values.h"
	#include "chrome/browser/extensions/api/proxy/proxy_api_constants.h"
	#include "components/proxy_config/proxy_config_dictionary.h"
	#include "components/proxy_config/proxy_prefs.h"
	#include "net/base/proxy_server.h"
	#include "net/base/proxy_string_util.h"
	#include "testing/gtest/include/gtest/gtest.h"

	namespace extensions {

	namespace keys = proxy_api_constants;

	namespace {

	const char kSamplePacScript[] = "test";
	const char kSamplePacScriptAsDataUrl[] =
	"data:application/x-ns-proxy-autoconfig;base64,dGVzdA==";
	const char kSamplePacScriptAsDataUrl2[] =
	"data:;base64,dGVzdA==";
	const char kSamplePacScriptUrl[] = "http://wpad/wpad.dat";

	// Helper function to create a ProxyServer dictionary as defined in the
	// extension API.
	base::Value::Dict CreateTestProxyServerDict(const std::string& host) {
	base::Value::Dict dict;
	dict.Set(keys::kProxyConfigRuleHost, host);
	return dict;
	}

	// Helper function to create a ProxyServer dictionary as defined in the
	// extension API.
	base::Value::Dict CreateTestProxyServerDict(const std::string& schema,
	const std::string& host,
	int port) {
	base::Value::Dict dict;
	dict.Set(keys::kProxyConfigRuleScheme, schema);
	dict.Set(keys::kProxyConfigRuleHost, host);
	dict.Set(keys::kProxyConfigRulePort, port);
	return dict;
	}

	} // namespace

	namespace proxy_api_helpers {

	TEST(ExtensionProxyApiHelpers, CreateDataURLFromPACScript) {
	EXPECT_EQ(kSamplePacScriptAsDataUrl,
	CreateDataURLFromPACScript(kSamplePacScript));
	}

	TEST(ExtensionProxyApiHelpers, CreatePACScriptFromDataURL) {
	std::string out;
	// Verify deserialization of a PAC data:// URL that we created ourselves.
	ASSERT_TRUE(CreatePACScriptFromDataURL(kSamplePacScriptAsDataUrl, &out));
	EXPECT_EQ(kSamplePacScript, out);

	// Check that we don't require a mime-type.
	out.clear();
	ASSERT_TRUE(CreatePACScriptFromDataURL(kSamplePacScriptAsDataUrl2, &out));
	EXPECT_EQ(kSamplePacScript, out);

	out.clear();
	EXPECT_FALSE(CreatePACScriptFromDataURL("http://www.google.com", &out));
	}

	TEST(ExtensionProxyApiHelpers, GetProxyModeFromExtensionPref) {
	base::Value::Dict proxy_config;
	ProxyPrefs::ProxyMode mode;
	std::string error;
	bool bad_message = false;

	// Test positive case.
	proxy_config.Set(keys::kProxyConfigMode,
	ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_DIRECT));
	ASSERT_TRUE(
	GetProxyModeFromExtensionPref(proxy_config, &mode, &error, &bad_message));
	EXPECT_EQ(ProxyPrefs::MODE_DIRECT, mode);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);

	// Test negative case.
	proxy_config.Set(keys::kProxyConfigMode, "foobar");
	EXPECT_FALSE(
	GetProxyModeFromExtensionPref(proxy_config, &mode, &error, &bad_message));
	EXPECT_TRUE(bad_message);

	// Do not test \|error\|, as an invalid enumeration value is considered an
	// internal error. It should be filtered by the extensions API.
	}

	TEST(ExtensionProxyApiHelpers, GetPacUrlFromExtensionPref) {
	std::string out;
	std::string error;
	bool bad_message = false;

	base::Value::Dict proxy_config;
	proxy_config.Set(keys::kProxyConfigMode,
	ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_PAC_SCRIPT));

	// Currently we are still missing a PAC script entry.
	// This is silently ignored.
	ASSERT_TRUE(
	GetPacUrlFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ(std::string(), out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);

	// Set up a pac script.
	base::Value::Dict pacScriptDict;
	pacScriptDict.Set(keys::kProxyConfigPacScriptUrl, kSamplePacScriptUrl);
	proxy_config.Set(keys::kProxyConfigPacScript, std::move(pacScriptDict));

	ASSERT_TRUE(
	GetPacUrlFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ(kSamplePacScriptUrl, out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, GetPacDataFromExtensionPref) {
	std::string out;
	std::string error;
	bool bad_message = false;

	base::Value::Dict proxy_config;
	proxy_config.Set(keys::kProxyConfigMode,
	ProxyPrefs::ProxyModeToString(ProxyPrefs::MODE_PAC_SCRIPT));

	// Currently we are still missing a PAC data entry. This is silently ignored.
	ASSERT_TRUE(
	GetPacDataFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ(std::string(), out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);

	// Set up a PAC script.
	base::Value::Dict pacScriptDict;
	pacScriptDict.Set(keys::kProxyConfigPacScriptData, kSamplePacScript);
	proxy_config.Set(keys::kProxyConfigPacScript, std::move(pacScriptDict));

	ASSERT_TRUE(
	GetPacDataFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ(kSamplePacScript, out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, GetProxyRulesStringFromExtensionPref) {
	std::string out;
	std::string error;
	bool bad_message = false;

	base::Value::Dict proxy_config;
	proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
	ProxyPrefs::MODE_FIXED_SERVERS));

	// Currently we are still missing a proxy config entry.
	// This is silently ignored.
	ASSERT_TRUE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
	&bad_message));
	EXPECT_EQ(std::string(), out);
	EXPECT_EQ(std::string(), error);

	base::Value::Dict proxy_rules;
	proxy_rules.Set(proxy_api_helpers::kFieldNames[1],
	CreateTestProxyServerDict("proxy1"));
	proxy_rules.Set(proxy_api_helpers::kFieldNames[2],
	CreateTestProxyServerDict("proxy2"));
	proxy_config.Set(keys::kProxyConfigRules, std::move(proxy_rules));

	ASSERT_TRUE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
	&bad_message));
	EXPECT_EQ("http=proxy1:80;https=proxy2:80", out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, GetProxyRulesStringFromExtensionPrefInvalid) {
	static constexpr char kSingleProxy[] = "singleProxy";
	std::string out;
	std::string error;
	bool bad_message = false;

	base::Value::Dict proxy_config;
	proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
	ProxyPrefs::MODE_FIXED_SERVERS));
	base::Value::Dict invalidManualProxy;
	invalidManualProxy.Set(keys::kProxyConfigRuleHost, std::string());
	base::Value::Dict singleProxy;
	singleProxy.Set(kSingleProxy, std::move(invalidManualProxy));
	proxy_config.Set(keys::kProxyConfigRules, std::move(singleProxy));

	ASSERT_FALSE(GetProxyRulesStringFromExtensionPref(proxy_config, &out, &error,
	&bad_message));
	EXPECT_EQ(std::string(), out);
	EXPECT_EQ("Invalid 'rules.???.host' entry. Hostname cannot be empty.", error);
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, GetBypassListFromExtensionPref) {
	std::string out;
	std::string error;
	bool bad_message = false;

	base::Value::Dict proxy_config;
	proxy_config.Set(keys::kProxyConfigMode, ProxyPrefs::ProxyModeToString(
	ProxyPrefs::MODE_FIXED_SERVERS));

	// Currently we are still missing a proxy config entry.
	// This is silently ignored.
	ASSERT_TRUE(
	GetBypassListFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ(std::string(), out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);

	base::Value::List bypass_list;
	bypass_list.Append("host1");
	bypass_list.Append("host2");
	base::Value::Dict proxy_rules;
	proxy_rules.Set(keys::kProxyConfigBypassList, std::move(bypass_list));
	proxy_config.Set(keys::kProxyConfigRules, std::move(proxy_rules));

	ASSERT_TRUE(
	GetBypassListFromExtensionPref(proxy_config, &out, &error, &bad_message));
	EXPECT_EQ("host1,host2", out);
	EXPECT_EQ(std::string(), error);
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, CreateProxyConfigDict) {
	std::string error;
	base::Value::Dict exp_direct = ProxyConfigDictionary::CreateDirect();
	std::optional<base::Value::Dict> out_direct(CreateProxyConfigDict(
	ProxyPrefs::MODE_DIRECT, false, std::string(), std::string(),
	std::string(), std::string(), &error));
	EXPECT_EQ(exp_direct, *out_direct);

	base::Value::Dict exp_auto = ProxyConfigDictionary::CreateAutoDetect();
	std::optional<base::Value::Dict> out_auto(CreateProxyConfigDict(
	ProxyPrefs::MODE_AUTO_DETECT, false, std::string(), std::string(),
	std::string(), std::string(), &error));
	EXPECT_EQ(exp_auto, *out_auto);

	base::Value::Dict exp_pac_url =
	ProxyConfigDictionary::CreatePacScript(kSamplePacScriptUrl, false);
	std::optional<base::Value::Dict> out_pac_url(CreateProxyConfigDict(
	ProxyPrefs::MODE_PAC_SCRIPT, false, kSamplePacScriptUrl, std::string(),
	std::string(), std::string(), &error));
	EXPECT_EQ(exp_pac_url, *out_pac_url);

	base::Value::Dict exp_pac_data =
	ProxyConfigDictionary::CreatePacScript(kSamplePacScriptAsDataUrl, false);
	std::optional<base::Value::Dict> out_pac_data(CreateProxyConfigDict(
	ProxyPrefs::MODE_PAC_SCRIPT, false, std::string(), kSamplePacScript,
	std::string(), std::string(), &error));
	EXPECT_EQ(exp_pac_data, *out_pac_data);

	base::Value::Dict exp_fixed =
	ProxyConfigDictionary::CreateFixedServers("foo:80", "localhost");
	std::optional<base::Value::Dict> out_fixed(CreateProxyConfigDict(
	ProxyPrefs::MODE_FIXED_SERVERS, false, std::string(), std::string(),
	"foo:80", "localhost", &error));
	EXPECT_EQ(exp_fixed, *out_fixed);

	base::Value::Dict exp_system = ProxyConfigDictionary::CreateSystem();
	std::optional<base::Value::Dict> out_system(CreateProxyConfigDict(
	ProxyPrefs::MODE_SYSTEM, false, std::string(), std::string(),
	std::string(), std::string(), &error));
	EXPECT_EQ(exp_system, *out_system);

	// Neither of them should have set an error.
	EXPECT_EQ(std::string(), error);
	}

	TEST(ExtensionProxyApiHelpers, GetProxyServer) {
	base::Value::Dict proxy_server_dict;
	net::ProxyServer created;
	std::string error;
	bool bad_message = false;

	// Test simplest case, no schema nor port specified --> defaults are used.
	proxy_server_dict.Set(keys::kProxyConfigRuleHost, "proxy_server");
	ASSERT_TRUE(GetProxyServer(proxy_server_dict, net::ProxyServer::SCHEME_HTTP,
	&created, &error, &bad_message));
	EXPECT_EQ("PROXY proxy_server:80",
	net::ProxyServerToPacResultElement(created));
	EXPECT_FALSE(bad_message);

	// Test complete case.
	proxy_server_dict.Set(keys::kProxyConfigRuleScheme, "socks4");
	proxy_server_dict.Set(keys::kProxyConfigRulePort, 1234);
	ASSERT_TRUE(GetProxyServer(proxy_server_dict, net::ProxyServer::SCHEME_HTTP,
	&created, &error, &bad_message));
	EXPECT_EQ("SOCKS proxy_server:1234",
	net::ProxyServerToPacResultElement(created));
	EXPECT_FALSE(bad_message);
	}

	TEST(ExtensionProxyApiHelpers, JoinUrlList) {
	bool bad_message = false;
	base::Value::List list;
	list.Append("s1");
	list.Append("s2");
	list.Append("s3");

	std::string out;
	std::string error;
	ASSERT_TRUE(JoinUrlList(list, ";", &out, &error, &bad_message));
	EXPECT_EQ("s1;s2;s3", out);
	EXPECT_FALSE(bad_message);
	}

	// This tests CreateProxyServerDict as well.
	TEST(ExtensionProxyApiHelpers, CreateProxyRulesDict) {
	ProxyConfigDictionary config(ProxyConfigDictionary::CreateFixedServers(
	"http=proxy1:80;https=proxy2:80;ftp=proxy3:80;socks=proxy4:80",
	"localhost"));
	std::optional<base::Value::Dict> extension_pref =
	CreateProxyRulesDict(config);
	ASSERT_TRUE(extension_pref);

	base::Value::Dict expected;
	expected.Set("proxyForHttp", CreateTestProxyServerDict("http", "proxy1", 80));
	expected.Set("proxyForHttps",
	CreateTestProxyServerDict("http", "proxy2", 80));
	expected.Set("proxyForFtp", CreateTestProxyServerDict("http", "proxy3", 80));
	expected.Set("fallbackProxy",
	CreateTestProxyServerDict("socks4", "proxy4", 80));
	base::Value::List bypass_list;
	bypass_list.Append("localhost");
	expected.Set(keys::kProxyConfigBypassList, std::move(bypass_list));

	EXPECT_EQ(expected, *extension_pref);
	}

	// Test multiple proxies per scheme -- expect that only the first is returned.
	TEST(ExtensionProxyApiHelpers, CreateProxyRulesDictMultipleProxies) {
	ProxyConfigDictionary config(ProxyConfigDictionary::CreateFixedServers(
	"http=proxy1:80,default://;https=proxy2:80,proxy1:80;ftp=proxy3:80,"
	"https://proxy5:443;socks=proxy4:80,proxy1:80",
	"localhost"));
	std::optional<base::Value::Dict> extension_pref =
	CreateProxyRulesDict(config);
	ASSERT_TRUE(extension_pref);

	base::Value::Dict expected;
	expected.Set("proxyForHttp", CreateTestProxyServerDict("http", "proxy1", 80));
	expected.Set("proxyForHttps",
	CreateTestProxyServerDict("http", "proxy2", 80));
	expected.Set("proxyForFtp", CreateTestProxyServerDict("http", "proxy3", 80));
	expected.Set("fallbackProxy",
	CreateTestProxyServerDict("socks4", "proxy4", 80));
	base::Value::List bypass_list;
	bypass_list.Append("localhost");
	expected.Set(keys::kProxyConfigBypassList, std::move(bypass_list));

	EXPECT_EQ(expected, *extension_pref);
	}

	// Test if a PAC script URL is specified.
	TEST(ExtensionProxyApiHelpers, CreatePacScriptDictWithUrl) {
	ProxyConfigDictionary config(
	ProxyConfigDictionary::CreatePacScript(kSamplePacScriptUrl, false));
	std::optional<base::Value::Dict> extension_pref = CreatePacScriptDict(config);
	ASSERT_TRUE(extension_pref);

	base::Value::Dict expected;
	expected.Set(keys::kProxyConfigPacScriptUrl, kSamplePacScriptUrl);
	expected.Set(keys::kProxyConfigPacScriptMandatory, false);

	EXPECT_EQ(expected, *extension_pref);
	}

	// Test if a PAC script is encoded in a data URL.
	TEST(ExtensionProxyApiHelpers, CreatePacScriptDictWidthData) {
	ProxyConfigDictionary config(
	ProxyConfigDictionary::CreatePacScript(kSamplePacScriptAsDataUrl, false));
	std::optional<base::Value::Dict> extension_pref = CreatePacScriptDict(config);
	ASSERT_TRUE(extension_pref);

	base::Value::Dict expected;
	expected.Set(keys::kProxyConfigPacScriptData, kSamplePacScript);
	expected.Set(keys::kProxyConfigPacScriptMandatory, false);

	EXPECT_EQ(expected, *extension_pref);
	}

	TEST(ExtensionProxyApiHelpers, TokenizeToStringList) {
	base::Value::List expected;
	expected.Append("s1");
	expected.Append("s2");
	expected.Append("s3");

	base::Value::List out = TokenizeToStringList("s1;s2;s3", ";");
	EXPECT_EQ(expected, out);
	}

	} // namespace proxy_api_helpers
	} // namespace extensions