Raise errors for unsupported options

Andrew Kane
1 parent 39570924
Showing 1 changed file with 6 additions and 2 deletions Show diff stats
lib/groupdate/magic.rb
@@ -78,6 +78,10 @@ module Groupdate
             ["(DATE_TRUNC('#{field}', (#{column}::timestamptz - INTERVAL '#{day_start} second') AT TIME ZONE ?) + INTERVAL '#{day_start} second') AT TIME ZONE ?", time_zone, time_zone]
           end
         when "SQLite"
+          raise Groupdate::Error, "Time zones not supported for adapter" unless self.time_zone.utc_offset.zero?
+          raise Groupdate::Error, "day_start not supported for adapter" unless day_start.zero?
+          raise Groupdate::Error, "week_start not supported for adapter" unless week_start == 6
+
           if field == :week
             ["strftime('%%Y-%%m-%%d 00:00:00 UTC', #{column}, '-6 days', 'weekday 0')"]
           else
@@ -102,11 +106,11 @@ module Groupdate
                 when :month
                   "%Y-%m-01 00:00:00 UTC"
                 when :quarter
-                  raise "Quarter not supported for adapter"
+                  raise Groupdate::Error, "Quarter not supported for adapter"
                 when :year
                   "%Y-01-01 00:00:00 UTC"
                 else
-                  raise "Unrecognized grouping: #{field}."
+                  raise Groupdate::Error, "Unrecognized grouping: #{field}."
                 end
             ["strftime('#{format.gsub(/%/, '%%')}', #{column})"]