sync: add more integration tests for wifi_sync

chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc

Index: chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc
diff --git a/chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc b/chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc
index db170202d3a06153abec77884ec94a18eea90889..eac3c438f7a4351d6c714dbcdfc1ef36fd780f93 100644
--- a/chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc
+++ b/chrome/browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc
@@ -4,20 +4,36 @@
 
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/sync/test/integration/wifi_credentials_helper.h"
 #include "chrome/common/chrome_switches.h"
+#include "components/wifi_sync/wifi_credential.h"
+#include "components/wifi_sync/wifi_security_class.h"
+
+using wifi_sync::WifiCredential;
+using SsidBytes = wifi_sync::WifiCredential::SsidBytes;
 
 class TwoClientWifiCredentialsSyncTest : public SyncTest {
  public:
   TwoClientWifiCredentialsSyncTest() : SyncTest(TWO_CLIENT) {}
   ~TwoClientWifiCredentialsSyncTest() override {}
 
+  void SetUp() override {
+    wifi_credentials_helper::SetUp();
+    SyncTest::SetUp();
+  }
+
   void SetUpCommandLine(base::CommandLine* command_line) override {
     SyncTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kEnableWifiCredentialSync);
   }
 
+  bool SetupClients() override {
+    return SyncTest::SetupClients() &&
+        wifi_credentials_helper::SetupClients();
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TwoClientWifiCredentialsSyncTest);
 };
@@ -27,3 +43,20 @@ IN_PROC_BROWSER_TEST_F(TwoClientWifiCredentialsSyncTest, NoCredentials) {
   ASSERT_TRUE(wifi_credentials_helper::VerifierIsEmpty());
   ASSERT_TRUE(wifi_credentials_helper::AllProfilesMatch());
 }
+
+IN_PROC_BROWSER_TEST_F(TwoClientWifiCredentialsSyncTest, SingleCredential) {
+  ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
+  const size_t kProfileAIndex = 0;
+  const size_t kProfileBIndex = 1;
+  wifi_credentials_helper::AddWifiCredential(
+      kProfileAIndex,
+      "fake_id",
+      WifiCredential(
+          WifiCredential::MakeSsidBytes("fake-ssid"),
+          wifi_sync::SECURITY_CLASS_NONE,
+          "fake_passphrase"));
+  ASSERT_TRUE(GetClient(kProfileAIndex)->AwaitMutualSyncCycleCompletion(
+      GetClient(kProfileBIndex)));
+  ASSERT_FALSE(wifi_credentials_helper::VerifierIsEmpty());
+  ASSERT_TRUE(wifi_credentials_helper::AllProfilesMatch());
+}