Fix ScheduledActionService.executeBackup not checking the return value from the export task

Author: rivaldi8

app/src/main/java/org/gnucash/android/service/ScheduledActionService.java

@@ -179,7 +179,14 @@ private static int executeBackup(ScheduledAction scheduledAction, SQLiteDatabase
             Crashlytics.logException(e);
             Log.e(LOG_TAG, e.getMessage());
         }
-        Log.i(LOG_TAG, "Backup/export did not occur. There might have beeen no new transactions to export or it might have crashed");
+        if (!result) {
+            Log.i(LOG_TAG, "Backup/export did not occur. There might have been no"
+                    + " new transactions to export or it might have crashed");
+            // We don't know if something failed or there weren't transactions to export,
+            // so fall on the safe side and return as if something had failed.
+            // FIXME: Change ExportAsyncTask to distinguish between the two cases
+            return 0;
+        }
         return 1;
     }
 

app/src/test/java/org/gnucash/android/test/unit/service/ScheduledActionServiceTest.java

@@ -381,8 +381,8 @@ public void scheduledBackups_shouldNotRunBeforeNextScheduledExecution(){
     }
 
     /**
-     * Tests that an scheduled backup doesn't include transactions added or modified
-     * previous to the last run.
+     * Tests that a scheduled QIF backup isn't done when no transactions have
+     * been added or modified after the last run.
      */
     @Test
     public void scheduledBackups_shouldNotIncludeTransactionsPreviousToTheLastRun() {
@@ -422,8 +422,8 @@ public void scheduledBackups_shouldNotIncludeTransactionsPreviousToTheLastRun()
         actions.add(scheduledBackup);
         ScheduledActionService.processScheduledActions(actions, mDb);
 
-        assertThat(scheduledBackup.getExecutionCount()).isEqualTo(2);
-        assertThat(scheduledBackup.getLastRunTime()).isGreaterThan(previousLastRun);
+        assertThat(scheduledBackup.getExecutionCount()).isEqualTo(1);
+        assertThat(scheduledBackup.getLastRunTime()).isEqualTo(previousLastRun);
         assertThat(backupFolder.listFiles()).hasSize(0);
     }