Fix test of drop failure

* Previously the sqlite3 adapter could not "fail" on drop. Now an error
  is raised when no file exists.
* Also updates purge to be resilient of drop failures. This is how purge
  is expected to behave.

1 files changed, 5 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
index 9ab64d0325..9ec3c8a94a 100644
--- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -19,11 +19,15 @@ module ActiveRecord
         path = Pathname.new configuration['database']
         file = path.absolute? ? path.to_s : File.join(root, path)
 
-        FileUtils.rm(file) if File.exist?(file)
+        FileUtils.rm(file)
+      rescue Errno::ENOENT => error
+        raise NoDatabaseError.new(error.message, error)
       end
 
       def purge
         drop
+      rescue NoDatabaseError
+      ensure
         create
       end