Improve post-migration testing tools.

Signal/src/AppDelegate.m

@@ -220,6 +220,16 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
         return;
     }
 
+    DDLogInfo(@"%@ Database file size: %@",
+        self.logTag,
+        [OWSFileSystem fileSizeOfPath:TSStorageManager.legacyDatabaseFilePath]);
+    DDLogInfo(@"%@ \t SHM file size: %@",
+        self.logTag,
+        [OWSFileSystem fileSizeOfPath:TSStorageManager.legacyDatabaseFilePath_SHM]);
+    DDLogInfo(@"%@ \t WAL file size: %@",
+        self.logTag,
+        [OWSFileSystem fileSizeOfPath:TSStorageManager.legacyDatabaseFilePath_WAL]);
+
     NSError *_Nullable error = [self convertDatabaseIfNecessary];
     // TODO: Handle this error.
     OWSAssert(!error);

SignalServiceKit/src/Storage/OWSStorage.m

@@ -456,12 +456,10 @@ typedef NSData *_Nullable (^CreateDatabaseMetadataBlock)(void);
     return self.database.newConnection;
 }
 
-#ifdef DEBUG
 - (BOOL)registerExtension:(YapDatabaseExtension *)extension withName:(NSString *)extensionName
 {
     return [self.database registerExtension:extension withName:extensionName];
 }
-#endif
 
 - (void)asyncRegisterExtension:(YapDatabaseExtension *)extension
                       withName:(NSString *)extensionName

SignalServiceKit/src/Storage/TSStorageManager.h

@@ -26,6 +26,8 @@ void runAsyncRegistrationsForStorage(OWSStorage *storage);
 + (NSString *)databaseFilePath;
 
 + (NSString *)legacyDatabaseFilePath;
++ (NSString *)legacyDatabaseFilePath_SHM;
++ (NSString *)legacyDatabaseFilePath_WAL;
 
 @end
 

SignalServiceKit/src/Util/OWSAsserts.h

@@ -126,6 +126,7 @@ void AssertIsOnMainThread(void);
 
 #define OWSRaiseException(name, formatParam, ...)                                                                      \
     {                                                                                                                  \
+        DDLogError(@"Exception: %@ %@", name, [NSString stringWithFormat:formatParam, ##__VA_ARGS__]);                 \
         [DDLog flushLog];                                                                                              \
         @throw [NSException exceptionWithName:name                                                                     \
                                        reason:[NSString stringWithFormat:formatParam, ##__VA_ARGS__]                   \
@@ -134,6 +135,8 @@ void AssertIsOnMainThread(void);
 
 #define OWSRaiseExceptionWithUserInfo(name, userInfoParam, formatParam, ...)                                           \
     {                                                                                                                  \
+        DDLogError(                                                                                                    \
+            @"Exception: %@ %@ %@", name, userInfoParam, [NSString stringWithFormat:formatParam, ##__VA_ARGS__]);      \
         [DDLog flushLog];                                                                                              \
         @throw [NSException exceptionWithName:name                                                                     \
                                        reason:[NSString stringWithFormat:formatParam, ##__VA_ARGS__]                   \