[CookieStore] Upgrading host-based deleting to predicate-based deleting.

net/cookies/cookie_monster_unittest.cc

 // Copyright (c) 2012 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 "net/cookies/cookie_store_unittest.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 46 matching lines @@
   virtual void Flush(const base::Closure& callback) {
     if (!callback.is_null())
       base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
   }
   MOCK_METHOD0(SetForceKeepSessionState, void());
 
  private:
   virtual ~NewMockPersistentCookieStore() {}
 };
 
+// False means 'less than or equal', so we test both ways for full equal.
+MATCHER_P(CookieEquals, expected, "") {
+  return !(arg.FullCompare(expected) || expected.FullCompare(arg));
+}
+
 const char kTopLevelDomainPlus1[] = "http://www.harvard.edu";
 const char kTopLevelDomainPlus2[] = "http://www.math.harvard.edu";
 const char kTopLevelDomainPlus2Secure[] = "https://www.math.harvard.edu";
 const char kTopLevelDomainPlus3[] = "http://www.bourbaki.math.harvard.edu";
 const char kOtherDomain[] = "http://www.mit.edu";
 
+bool AlwaysTrueCookiePredicate(CanonicalCookie* to_save,
+                               const CanonicalCookie& cookie) {
+  if (to_save)
+    *to_save = cookie;
+  return true;
+}
+
+bool AlwaysFalseCookiePredicate(CanonicalCookie* to_save,
+                                const CanonicalCookie& cookie) {
+  if (to_save)
+    *to_save = cookie;
+  return false;
+}
+
 struct CookieMonsterTestTraits {
   static scoped_ptr<CookieStore> Create() {
     return make_scoped_ptr(new CookieMonster(nullptr, nullptr));
   }
 
   static const bool supports_http_only = true;
   static const bool supports_non_dotted_domains = true;
   static const bool preserves_trailing_dots = true;
   static const bool filters_schemes = true;
   static const bool has_path_prefix_bug = false;
@@ skipping 60 matching lines @@
     DCHECK(cm);
     ResultSavingCookieCallback<int> callback;
     cm->DeleteAllCreatedBetweenAsync(
         delete_begin, delete_end,
         base::Bind(&ResultSavingCookieCallback<int>::Run,
                    base::Unretained(&callback)));
     callback.WaitUntilDone();
     return callback.result();
   }
 
-  int DeleteAllCreatedBetweenForHost(CookieMonster* cm,
-                                     const base::Time delete_begin,
-                                     const base::Time delete_end,
-                                     const GURL& url) {
+  int DeleteAllCreatedBetweenWithPredicate(
+      CookieMonster* cm,
+      const base::Time delete_begin,
+      const base::Time delete_end,
+      const base::Callback<bool(const CanonicalCookie&)>& predicate) {
     DCHECK(cm);
     ResultSavingCookieCallback<int> callback;
-    cm->DeleteAllCreatedBetweenForHostAsync(
-        delete_begin, delete_end, url,
+    cm->DeleteAllCreatedBetweenWithPredicateAsync(
+        delete_begin, delete_end, predicate,
         base::Bind(&ResultSavingCookieCallback<int>::Run,
                    base::Unretained(&callback)));
     callback.WaitUntilDone();
     return callback.result();
   }
 
   // Helper for DeleteAllForHost test; repopulates CM with same layout
   // each time.
   void PopulateCmForDeleteAllForHost(CookieMonster* cm) {
     GURL url_top_level_domain_plus_1(kTopLevelDomainPlus1);
@@ skipping 489 matching lines @@
       cc.url, cc.name, cc.value, cc.domain, cc.path, base::Time(),
       cc.expiration_time, base::Time(), cc.secure, cc.http_only, cc.same_site,
       false /* enforces strict secure cookies */, cc.priority,
       callback->AsCallback());
 }
 
 ACTION_P2(GetAllCookiesAction, cookie_monster, callback) {
   cookie_monster->GetAllCookiesAsync(callback->AsCallback());
 }
 
-ACTION_P5(DeleteAllCreatedBetweenForHostAction,
+ACTION_P5(DeleteAllCreatedBetweenWithPredicateAction,
           cookie_monster,
           delete_begin,
           delete_end,
-          url,
+          predicate,
           callback) {
-  cookie_monster->DeleteAllCreatedBetweenForHostAsync(
-      delete_begin, delete_end, url, callback->AsCallback());
+  cookie_monster->DeleteAllCreatedBetweenWithPredicateAsync(
+      delete_begin, delete_end, predicate, callback->AsCallback());
 }
 
 ACTION_P3(DeleteCanonicalCookieAction, cookie_monster, cookie, callback) {
   cookie_monster->DeleteCanonicalCookieAsync(cookie, callback->AsCallback());
 }
 
 ACTION_P2(DeleteAllAction, cookie_monster, callback) {
   cookie_monster->DeleteAllAsync(callback->AsCallback());
 }
 
@@ skipping 355 matching lines @@
       .WillOnce(DeleteAllCreatedBetweenAction(&cookie_monster(), base::Time(),
                                               base::Time::Now(),
                                               &delete_callback));
   base::RunLoop loop;
   EXPECT_CALL(delete_callback, Invoke(false)).WillOnce(QuitRunLoop(&loop));
 
   CompleteLoading();
   loop.Run();
 }
 
-TEST_F(DeferredCookieTaskTest, DeferredDeleteAllForHostCreatedBetweenCookies) {
+TEST_F(DeferredCookieTaskTest,
+       DeferredDeleteAllWithPredicateCreatedBetweenCookies) {
   MockDeleteCallback delete_callback;
 
-  BeginWithForDomainKey(http_www_google_.domain(),
-                        DeleteAllCreatedBetweenForHostAction(
-                            &cookie_monster(), base::Time(), base::Time::Now(),
-                            http_www_google_.url(), &delete_callback));
+  base::Callback<bool(const CanonicalCookie&)> predicate =
+      base::Bind(&AlwaysTrueCookiePredicate, nullptr);
+
+  BeginWith(DeleteAllCreatedBetweenWithPredicateAction(
+      &cookie_monster(), base::Time(), base::Time::Now(), predicate,
+      &delete_callback));
 
   WaitForLoadCall();
 
   EXPECT_CALL(delete_callback, Invoke(false))
-      .WillOnce(DeleteAllCreatedBetweenForHostAction(
-          &cookie_monster(), base::Time(), base::Time::Now(),
-          http_www_google_.url(), &delete_callback));
+      .WillOnce(DeleteAllCreatedBetweenWithPredicateAction(
+          &cookie_monster(), base::Time(), base::Time::Now(), predicate,
+          &delete_callback));
   base::RunLoop loop;
   EXPECT_CALL(delete_callback, Invoke(false)).WillOnce(QuitRunLoop(&loop));
 
   CompleteLoading();
   loop.Run();
 }
 
 TEST_F(DeferredCookieTaskTest, DeferredDeleteCanonicalCookie) {
   std::vector<CanonicalCookie*> cookies;
   CanonicalCookie cookie = BuildCanonicalCookie(
@@ skipping 103 matching lines @@
 }
 
 TEST_F(CookieMonsterTest, TestCookieDeleteAllCreatedBetweenTimestamps) {
   scoped_ptr<CookieMonster> cm(new CookieMonster(nullptr, nullptr));
   Time now = Time::Now();
 
   // Nothing has been added so nothing should be deleted.
   EXPECT_EQ(0, DeleteAllCreatedBetween(cm.get(), now - TimeDelta::FromDays(99),
                                        Time()));
 
-  // Create 3 cookies with creation date of today, yesterday and the day before.
+  // Create 5 cookies with different creation dates.
   EXPECT_TRUE(
       cm->SetCookieWithCreationTime(http_www_google_.url(), "T-0=Now", now));
   EXPECT_TRUE(cm->SetCookieWithCreationTime(
       http_www_google_.url(), "T-1=Yesterday", now - TimeDelta::FromDays(1)));
   EXPECT_TRUE(cm->SetCookieWithCreationTime(
       http_www_google_.url(), "T-2=DayBefore", now - TimeDelta::FromDays(2)));
   EXPECT_TRUE(cm->SetCookieWithCreationTime(
       http_www_google_.url(), "T-3=ThreeDays", now - TimeDelta::FromDays(3)));
   EXPECT_TRUE(cm->SetCookieWithCreationTime(
       http_www_google_.url(), "T-7=LastWeek", now - TimeDelta::FromDays(7)));
@@ skipping 11 matching lines @@
   EXPECT_EQ(
       1, DeleteAllCreatedBetween(cm.get(), now - TimeDelta::FromDays(7), now));
 
   // Delete the last (now) item.
   EXPECT_EQ(1, DeleteAllCreatedBetween(cm.get(), Time(), Time()));
 
   // Really make sure everything is gone.
   EXPECT_EQ(0, DeleteAll(cm.get()));
 }
 
+TEST_F(CookieMonsterTest,
+       TestCookieDeleteAllCreatedBetweenTimestampsWithPredicate) {
+  scoped_ptr<CookieMonster> cm(new CookieMonster(nullptr, nullptr));
+  Time now = Time::Now();
+
+  CanonicalCookie test_cookie;
+  base::Callback<bool(const CanonicalCookie&)> true_predicate =
+      base::Bind(&AlwaysTrueCookiePredicate, &test_cookie);
+
+  base::Callback<bool(const CanonicalCookie&)> false_predicate =
+      base::Bind(&AlwaysFalseCookiePredicate, &test_cookie);
+
+  // Nothing has been added so nothing should be deleted.
+  EXPECT_EQ(
+      0, DeleteAllCreatedBetweenWithPredicate(
+             cm.get(), now - TimeDelta::FromDays(99), Time(), true_predicate));
+
+  // Create 5 cookies with different creation dates.
+  EXPECT_TRUE(
+      cm->SetCookieWithCreationTime(http_www_google_.url(), "T-0=Now", now));
+  EXPECT_TRUE(cm->SetCookieWithCreationTime(
+      http_www_google_.url(), "T-1=Yesterday", now - TimeDelta::FromDays(1)));
+  EXPECT_TRUE(cm->SetCookieWithCreationTime(
+      http_www_google_.url(), "T-2=DayBefore", now - TimeDelta::FromDays(2)));
+  EXPECT_TRUE(cm->SetCookieWithCreationTime(
+      http_www_google_.url(), "T-3=ThreeDays", now - TimeDelta::FromDays(3)));
+  EXPECT_TRUE(cm->SetCookieWithCreationTime(
+      http_www_google_.url(), "T-7=LastWeek", now - TimeDelta::FromDays(7)));
+

[Mike West, 2016/04/02 05:12:40]

Nit: Could you add a test for a null predicate here to verify that it doesn't
remove any cookies?

[dmurph, 2016/04/04 18:28:32]

Sure. This also is tested by the cookie_store_unittest.h (as it puts all those
tests in every backend), but I'll also test it here.

+  // Try to delete threedays and the daybefore, but we should do nothing due
+  // to the predicate.
+  EXPECT_EQ(0, DeleteAllCreatedBetweenWithPredicate(
+                   cm.get(), now - TimeDelta::FromDays(3),
+                   now - TimeDelta::FromDays(1), false_predicate));
+  // Same as above, but we use the true_predicate, so it works.
+  EXPECT_EQ(2, DeleteAllCreatedBetweenWithPredicate(
+                   cm.get(), now - TimeDelta::FromDays(3),
+                   now - TimeDelta::FromDays(1), true_predicate));
+
+  // Try to delete yesterday, also make sure that delete_end is not
+  // inclusive.
+  EXPECT_EQ(0,
+            DeleteAllCreatedBetweenWithPredicate(
+                cm.get(), now - TimeDelta::FromDays(2), now, false_predicate));
+  EXPECT_EQ(1,
+            DeleteAllCreatedBetweenWithPredicate(
+                cm.get(), now - TimeDelta::FromDays(2), now, true_predicate));
+  // Check our cookie values.
+  scoped_ptr<CanonicalCookie> expected_cookie =
+      CanonicalCookie::Create(http_www_google_.url(), "T-1=Yesterday",
+                              now - TimeDelta::FromDays(1), CookieOptions());
+  EXPECT_THAT(test_cookie, CookieEquals(*expected_cookie))
+      << "Actual:\n"
+      << test_cookie.DebugString() << "\nExpected:\n"
+      << expected_cookie->DebugString();
+
+  // Make sure the delete_begin is inclusive.
+  EXPECT_EQ(0,
+            DeleteAllCreatedBetweenWithPredicate(
+                cm.get(), now - TimeDelta::FromDays(7), now, false_predicate));
+  EXPECT_EQ(1,
+            DeleteAllCreatedBetweenWithPredicate(
+                cm.get(), now - TimeDelta::FromDays(7), now, true_predicate));
+
+  // Delete the last (now) item.
+  EXPECT_EQ(0, DeleteAllCreatedBetweenWithPredicate(cm.get(), Time(), Time(),
+                                                    false_predicate));
+  EXPECT_EQ(1, DeleteAllCreatedBetweenWithPredicate(cm.get(), Time(), Time(),
+                                                    true_predicate));
+  expected_cookie = CanonicalCookie::Create(http_www_google_.url(), "T-0=Now",
+                                            now, CookieOptions());
+  EXPECT_THAT(test_cookie, CookieEquals(*expected_cookie))
+      << "Actual:\n"
+      << test_cookie.DebugString() << "\nExpected:\n"
+      << expected_cookie->DebugString();
+
+  // Really make sure everything is gone.
+  EXPECT_EQ(0, DeleteAll(cm.get()));
+}
+
 static const int kAccessDelayMs = kLastAccessThresholdMilliseconds + 20;
 
 TEST_F(CookieMonsterTest, TestLastAccess) {
   scoped_ptr<CookieMonster> cm(
       new CookieMonster(nullptr, nullptr, kLastAccessThresholdMilliseconds));
 
   EXPECT_TRUE(SetCookie(cm.get(), http_www_google_.url(), "A=B"));
   const Time last_access_date(GetFirstCookieAccessDate(cm.get()));
 
   // Reading the cookie again immediately shouldn't update the access date,
@@ skipping 404 matching lines @@
   EXPECT_EQ("a", delegate->changes()[0].first.Name());
   EXPECT_EQ("val1", delegate->changes()[0].first.Value());
   EXPECT_EQ(http_www_google_.url().host(),
             delegate->changes()[1].first.Domain());
   EXPECT_FALSE(delegate->changes()[1].second);
   EXPECT_EQ("a", delegate->changes()[1].first.Name());
   EXPECT_EQ("val2", delegate->changes()[1].first.Value());
   delegate->reset();
 }
 
-TEST_F(CookieMonsterTest, DeleteAllForHost) {
-  scoped_ptr<CookieMonster> cm(new CookieMonster(nullptr, nullptr));
-
-  // Test probes:
-  //    * Non-secure URL, mid-level (http://w.c.b.a)
-  //    * Secure URL, mid-level (https://w.c.b.a)
-  //    * URL with path, mid-level (https:/w.c.b.a/dir1/xx)
-  // All three tests should nuke only the midlevel host cookie,
-  // the http_only cookie, the host secure cookie, and the two host
-  // path cookies.  http_only, secure, and paths are ignored by
-  // this call, and domain cookies arent touched.
-  PopulateCmForDeleteAllForHost(cm.get());
-  EXPECT_EQ("dom_1=X; dom_2=X; dom_3=X; host_3=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus3)));
-  EXPECT_EQ("dom_1=X; dom_2=X; host_2=X; sec_dom=X; sec_host=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure)));
-  EXPECT_EQ("dom_1=X; host_1=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus1)));
-  EXPECT_EQ(
-      "dom_path_2=X; host_path_2=X; dom_path_1=X; host_path_1=X; "
-      "dom_1=X; dom_2=X; host_2=X; sec_dom=X; sec_host=X",
-      GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure +
-                                std::string("/dir1/dir2/xxx"))));
-
-  EXPECT_EQ(6, DeleteAllCreatedBetweenForHost(cm.get(), base::Time(),
-                                              base::Time::Now(),
-                                              GURL(kTopLevelDomainPlus2)));
-  EXPECT_EQ(8U, GetAllCookies(cm.get()).size());
-
-  EXPECT_EQ("dom_1=X; dom_2=X; dom_3=X; host_3=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus3)));
-  EXPECT_EQ("dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure)));
-  EXPECT_EQ("dom_1=X; host_1=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus1)));
-  EXPECT_EQ("dom_path_2=X; dom_path_1=X; dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure +
-                                      std::string("/dir1/dir2/xxx"))));
-
-  PopulateCmForDeleteAllForHost(cm.get());
-  EXPECT_EQ(6, DeleteAllCreatedBetweenForHost(
-                   cm.get(), base::Time(), base::Time::Now(),
-                   GURL(kTopLevelDomainPlus2Secure)));
-  EXPECT_EQ(8U, GetAllCookies(cm.get()).size());
-
-  EXPECT_EQ("dom_1=X; dom_2=X; dom_3=X; host_3=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus3)));
-  EXPECT_EQ("dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure)));
-  EXPECT_EQ("dom_1=X; host_1=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus1)));
-  EXPECT_EQ("dom_path_2=X; dom_path_1=X; dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure +
-                                      std::string("/dir1/dir2/xxx"))));
-
-  PopulateCmForDeleteAllForHost(cm.get());
-  EXPECT_EQ(6,
-            DeleteAllCreatedBetweenForHost(
-                cm.get(), base::Time(), base::Time::Now(),
-                GURL(kTopLevelDomainPlus2Secure + std::string("/dir1/xxx"))));
-  EXPECT_EQ(8U, GetAllCookies(cm.get()).size());
-
-  EXPECT_EQ("dom_1=X; dom_2=X; dom_3=X; host_3=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus3)));
-  EXPECT_EQ("dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure)));
-  EXPECT_EQ("dom_1=X; host_1=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus1)));
-  EXPECT_EQ("dom_path_2=X; dom_path_1=X; dom_1=X; dom_2=X; sec_dom=X",
-            GetCookies(cm.get(), GURL(kTopLevelDomainPlus2Secure +
-                                      std::string("/dir1/dir2/xxx"))));
-}
-
 TEST_F(CookieMonsterTest, UniqueCreationTime) {
   scoped_ptr<CookieMonster> cm(new CookieMonster(nullptr, nullptr));
   CookieOptions options;
 
   // Add in three cookies through every public interface to the
   // CookieMonster and confirm that none of them have duplicate
   // creation times.
 
   // SetCookieWithCreationTime and SetCookieWithCreationTimeAndOptions
   // are not included as they aren't going to be public for very much
@@ skipping 1458 matching lines @@
       monster()->AddCallbackForCookie(
           test_url_, "abc",
           base::Bind(&RecordCookieChanges, &cookies1, nullptr)));
   SetCookie(monster(), test_url_, "abc=def");
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(1U, cookies0.size());
   EXPECT_EQ(1U, cookies0.size());
 }
 
 }  // namespace net