@@ -33,12 +33,7 @@ When a user starts your application, the following code should be executed one t before any database activities are performed. This will ensure that any new migrations are executed before any database queries/statements can be accidently executed on a stale schema. -First connected to your SQLite database: - - FMDatabase* db = [FMDatabase databaseWithPath:@"/tmp/tmp.db"]; - [db open]; - -Then send all your migration subclasses to the manager, which will determine which need to be executed: +Setup your list of migration subclasses and send them to the manager, which will determine which need to be executed: NSArray *migrations = [NSArray arrayWithObjects: [CreateStudents migration], // 1 @@ -46,7 +41,7 @@ Then send all your migration subclasses to the manager, which will determine whi [AddStudentNumberToStudents migration], // 3 nil ]; - [FmdbMigrationManager executeWithDatabase:db withMigrations:migrations]; + [FmdbMigrationManager executeForDatabasePath:@"/tmp/tmp.db" withMigrations:migrations]; Note, the `+migration` method is equivalent to `[[[CreateStudents alloc] init] autorelease]` just much shorter. README.markdown @@ -55,7 +55,7 @@ class TestFmdbMigrationManager < Test::Unit::TestCase assert_equal(2, @migration_manager.currentVersion) end - should "have version 2 has largest schema_info version number" do + should "have version 2 in schema_info" do @results = @db.executeQuery("select version from schema_info order by version desc") flunk "no schema_info rows (error: #{@db.lastErrorMessage})" unless @results.next? assert_equal(2, @results.intForColumn("version")) @@ -78,11 +78,32 @@ class TestFmdbMigrationManager < Test::Unit::TestCase assert_equal(3, @migration_manager.currentVersion) end - should "have version 3 has largest schema_info version number" do + should "have version 3 in schema_info" do @results = @db.executeQuery("select version from schema_info order by version desc") flunk "no schema_info rows (error: #{@db.lastErrorMessage})" unless @results.next? assert_equal(3, @results.intForColumn("version")) end + + context "and go down to specific version 1" do + setup do + @migration_manager = FmdbMigrationManager.executeForDatabasePath_withMigrations_andMatchVersion(@db_path, @migrations, 1) + end + + should_have_table "schema_info" + should_have_table "accounts" + should_not_have_table "transactions" + + should "have version 1" do + assert_equal(1, @migration_manager.currentVersion) + end + + should "have version 1 in schema_info" do + @results = @db.executeQuery("select version from schema_info order by version desc") + flunk "no schema_info rows (error: #{@db.lastErrorMessage})" unless @results.next? + assert_equal(1, @results.intForColumn("version")) + end + end + end end test/test_fmdb_migration_manager.rb @@ -35,6 +35,15 @@ class Test::Unit::TestCase yield if block_given? end + def self.should_not_have_table(table_name) + @current_table_name = table_name + should "have not table '#{table_name}'" do + @results = find_all table_name + assert_some_errors(@db) + @results.close if @results + end + end + def self.should_have_column(column_name, table_name = @current_table_name) should "have column '#{column_name}' on table '#{table_name}'" do @results = find_all table_name test/test_helper.rb 8c696d0c1c3ef6002c170e9fc1210008ba2ec5c3 Dr Nic Williams drnicwilliams@gmail.com http://github.com/mocra/fmdb-migration-manager/commit/96b5e7e214c0a414d422264198b9ddb9d2b7dcab 96b5e7e214c0a414d422264198b9ddb9d2b7dcab 2008-09-09T04:14:07-07:00 2008-09-09T04:14:07-07:00 added tests for new executeForDatabasePath:withMigrations:andMatchVersion: command 4a4947833e013fb9d4f868c6f971642f10cfb228 Dr Nic Williams drnicwilliams@gmail.com