use rake to create test databases for us

activerecord/Rakefile

@@ -72,6 +72,15 @@ end
   end
 end
 
+rule '.sqlite3' do |t|
+  sh %Q{sqlite3 "#{t.name}" "create table a (a integer); drop table a;"}
+end
+
+task :test_sqlite3 => [
+  'test/fixtures/fixture_database.sqlite3',
+  'test/fixtures/fixture_database_2.sqlite3'
+]
+
 namespace :mysql do
   desc 'Build the MySQL test databases'
   task :build_databases do

activerecord/test/connections/native_sqlite3/connection.rb

@@ -3,21 +3,12 @@
 require 'logger'
 ActiveRecord::Base.logger = Logger.new("debug.log")
 
-class SqliteError < StandardError
-end
-
 BASE_DIR = FIXTURES_ROOT
 sqlite_test_db  = "#{BASE_DIR}/fixture_database.sqlite3"
 sqlite_test_db2 = "#{BASE_DIR}/fixture_database_2.sqlite3"
 
 def make_connection(clazz, db_file)
   ActiveRecord::Base.configurations = { clazz.name => { :adapter => 'sqlite3', :database => db_file, :timeout => 5000 } }
-  unless File.exist?(db_file)
-    puts "SQLite3 database not found at #{db_file}. Rebuilding it."
-    sqlite_command = %Q{sqlite3 "#{db_file}" "create table a (a integer); drop table a;"}
-    puts "Executing '#{sqlite_command}'"
-    raise SqliteError.new("Seems that there is no sqlite3 executable available") unless system(sqlite_command)
-  end
   clazz.establish_connection(clazz.name)
 end