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| 1 | +class TestDb |
| 2 | + |
| 3 | + DATABASE_USERS = %w{hr arunit} |
| 4 | + |
| 5 | + def self.build |
| 6 | + db = self.new |
| 7 | + db.cleanup_database_users |
| 8 | + db.create_user_tablespace |
| 9 | + db.setup_database_users |
| 10 | + db.connection.logoff |
| 11 | + end |
| 12 | + |
| 13 | + def self.database_version |
| 14 | + db = self.new |
| 15 | + db.database_version |
| 16 | + end |
| 17 | + |
| 18 | + def connection |
| 19 | + unless defined?(@connection) |
| 20 | + begin |
| 21 | + Timeout::timeout(5) { |
| 22 | + if defined?(JRUBY_VERSION) |
| 23 | + @connection = java.sql.DriverManager.get_connection( |
| 24 | + 'jdbc:oracle:thin:@127.0.0.1:1521/XE', |
| 25 | + 'system', |
| 26 | + 'oracle' |
| 27 | + ); |
| 28 | + else |
| 29 | + @connection = OCI8.new( |
| 30 | + 'system', |
| 31 | + 'oracle', |
| 32 | + '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=XE)))' |
| 33 | + ) |
| 34 | + end |
| 35 | + } |
| 36 | + rescue Timeout::Error |
| 37 | + raise "Cannot establish connection with Oracle database as SYSTEM user. Seams you need to start local Oracle database" |
| 38 | + end |
| 39 | + end |
| 40 | + @connection |
| 41 | + end |
| 42 | + |
| 43 | + def create_user_tablespace |
| 44 | + return unless connection |
| 45 | + execute_statement(<<-STATEMENT |
| 46 | + DECLARE |
| 47 | + v_exists number; |
| 48 | + BEGIN |
| 49 | + SELECT count(1) |
| 50 | + INTO v_exists |
| 51 | + FROM dba_tablespaces |
| 52 | + WHERE tablespace_name = 'TBS_USERS'; |
| 53 | +
|
| 54 | + IF v_exists = 0 THEN |
| 55 | + EXECUTE IMMEDIATE 'ALTER SYSTEM SET DB_CREATE_FILE_DEST = ''/u01/app/oracle/oradata/XE'''; |
| 56 | + EXECUTE IMMEDIATE 'CREATE TABLESPACE TBS_USERS DATAFILE ''tbs_users.dat'' SIZE 10M REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 200M'; |
| 57 | + END IF; |
| 58 | + END; |
| 59 | + STATEMENT |
| 60 | + ) |
| 61 | + end |
| 62 | + |
| 63 | + def database_users |
| 64 | + DATABASE_USERS.inject([]){|array, user| array << [user.upcase, user]} |
| 65 | + end |
| 66 | + |
| 67 | + def cleanup_database_users |
| 68 | + return unless connection |
| 69 | + database_users.each do | db, _ | |
| 70 | + execute_statement(<<-STATEMENT |
| 71 | + DECLARE |
| 72 | + v_count INTEGER := 0; |
| 73 | + l_cnt INTEGER; |
| 74 | + BEGIN |
| 75 | +
|
| 76 | + SELECT COUNT (1) |
| 77 | + INTO v_count |
| 78 | + FROM dba_users |
| 79 | + WHERE username = '#{db}'; |
| 80 | +
|
| 81 | + IF v_count != 0 THEN |
| 82 | + FOR x IN (SELECT * |
| 83 | + FROM v$session |
| 84 | + WHERE username = '#{db}') |
| 85 | + LOOP |
| 86 | + EXECUTE IMMEDIATE 'ALTER SYSTEM DISCONNECT SESSION ''' || x.sid || ',' || x.serial# || ''' IMMEDIATE'; |
| 87 | + END LOOP; |
| 88 | +
|
| 89 | + EXECUTE IMMEDIATE ('DROP USER #{db} CASCADE'); |
| 90 | + END IF; |
| 91 | + END; |
| 92 | + STATEMENT |
| 93 | + ) |
| 94 | + end |
| 95 | + end |
| 96 | + |
| 97 | + def setup_database_users |
| 98 | + return unless connection |
| 99 | + database_users.each do | db, passwd | |
| 100 | + execute_statement(<<-STATEMENT |
| 101 | + DECLARE |
| 102 | + v_count INTEGER := 0; |
| 103 | + BEGIN |
| 104 | +
|
| 105 | + SELECT COUNT (1) |
| 106 | + INTO v_count |
| 107 | + FROM dba_users |
| 108 | + WHERE username = '#{db}'; |
| 109 | +
|
| 110 | + IF v_count = 0 THEN |
| 111 | + EXECUTE IMMEDIATE ('CREATE USER #{db} IDENTIFIED BY #{passwd} DEFAULT TABLESPACE TBS_USERS QUOTA 10m ON TBS_USERS'); |
| 112 | + EXECUTE IMMEDIATE ('GRANT create session, create table, create sequence, create procedure, create type, create view, create synonym TO #{db}'); |
| 113 | + END IF; |
| 114 | + END; |
| 115 | + STATEMENT |
| 116 | + ) |
| 117 | + end |
| 118 | + end |
| 119 | + |
| 120 | + def database_version |
| 121 | + query = 'SELECT version FROM V$INSTANCE' |
| 122 | + |
| 123 | + if defined?(JRUBY_VERSION) |
| 124 | + statement = connection.create_statement |
| 125 | + resource = statement.execute_query(query) |
| 126 | + |
| 127 | + resource.next |
| 128 | + value = resource.get_string('VERSION') |
| 129 | + |
| 130 | + resource.close |
| 131 | + statement.close |
| 132 | + else |
| 133 | + cursor = execute_statement(query) |
| 134 | + value = cursor.fetch()[0] |
| 135 | + cursor.close |
| 136 | + end |
| 137 | + |
| 138 | + value.match(/(.*)\.\d$/)[1] |
| 139 | + end |
| 140 | + |
| 141 | + def execute_statement(statement) |
| 142 | + if defined?(JRUBY_VERSION) |
| 143 | + statement = connection.prepare_call(statement) |
| 144 | + statement.execute |
| 145 | + statement.close |
| 146 | + else |
| 147 | + connection.exec(statement) |
| 148 | + end |
| 149 | + end |
| 150 | +end |
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