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package test;
import java.sql.*;
import org.junit.*;
import static org.junit.Assert.*;
/** These tests are designed to stress Statements on memory databases. */
public class DBMetaDataTest
{
private Connection conn;
private Statement stat;
private DatabaseMetaData meta;
@BeforeClass public static void forName() throws Exception {
Class.forName("org.sqlite.JDBC");
}
@Before public void connect() throws Exception {
conn = DriverManager.getConnection("jdbc:sqlite:");
stat = conn.createStatement();
stat.executeUpdate(
"create table test (id integer primary key, fn, sn);");
stat.executeUpdate("create view testView as select * from test;");
meta = conn.getMetaData();
}
@After public void close() throws SQLException {
meta = null;
stat.close();
conn.close();
}
@Test public void getTables() throws SQLException {
ResultSet rs = meta.getTables(null, null, null, null);
assertNotNull(rs);
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "TEST"); // 3
assertEquals(rs.getString("TABLE_TYPE"), "TABLE"); // 4
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "TESTVIEW");
assertEquals(rs.getString("TABLE_TYPE"), "VIEW");
rs.close();
rs = meta.getTables(null, null, "bob", null);
assertFalse(rs.next());
rs.close();
rs = meta.getTables(null, null, "test", null);
assertTrue(rs.next());
assertFalse(rs.next());
rs.close();
rs = meta.getTables(null, null, "test%", null);
assertTrue(rs.next());
assertTrue(rs.next());
rs.close();
rs = meta.getTables(null, null, null, new String[] { "table" });
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "TEST");
assertFalse(rs.next());
rs.close();
rs = meta.getTables(null, null, null, new String[] { "view" });
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "TESTVIEW");
assertFalse(rs.next());
rs.close();
}
@Test public void getTableTypes() throws SQLException {
ResultSet rs = meta.getTableTypes();
assertNotNull(rs);
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_TYPE"), "TABLE");
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_TYPE"), "VIEW");
assertFalse(rs.next());
}
@Test public void getTypeInfo() throws SQLException {
ResultSet rs = meta.getTypeInfo();
assertNotNull(rs);
assertTrue(rs.next());
assertEquals(rs.getString("TYPE_NAME"), "BLOB");
assertTrue(rs.next());
assertEquals(rs.getString("TYPE_NAME"), "INTEGER");
assertTrue(rs.next());
assertEquals(rs.getString("TYPE_NAME"), "NULL");
assertTrue(rs.next());
assertEquals(rs.getString("TYPE_NAME"), "REAL");
assertTrue(rs.next());
assertEquals(rs.getString("TYPE_NAME"), "TEXT");
assertFalse(rs.next());
}
@Test public void getColumns() throws SQLException {
ResultSet rs = meta.getColumns(null, null, "test", "id");
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "test");
assertEquals(rs.getString("COLUMN_NAME"), "id");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "test", "fn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "fn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "test", "sn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "sn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "test", "%");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "id");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "fn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "sn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "test", "%n");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "fn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "sn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "test%", "%");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "id");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "fn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "sn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "%", "%");
assertTrue(rs.next());
assertEquals(rs.getString("TABLE_NAME"), "test");
assertEquals(rs.getString("COLUMN_NAME"), "id");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "fn");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "sn");
assertFalse(rs.next());
rs = meta.getColumns(null, null, "doesnotexist", "%");
assertFalse(rs.next());
}
@Test public void columnOrderOfgetTables() throws SQLException {
ResultSet rs = meta.getTables(null, null, null, null);
assertTrue(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 10);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
assertEquals(rsmeta.getColumnName(2), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TABLE_NAME");
assertEquals(rsmeta.getColumnName(4), "TABLE_TYPE");
assertEquals(rsmeta.getColumnName(5), "REMARKS");
assertEquals(rsmeta.getColumnName(6), "TYPE_CAT");
assertEquals(rsmeta.getColumnName(7), "TYPE_SCHEM");
assertEquals(rsmeta.getColumnName(8), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(9), "SELF_REFERENCING_COL_NAME");
assertEquals(rsmeta.getColumnName(10), "REF_GENERATION");
}
@Test public void columnOrderOfgetTableTypes() throws SQLException {
ResultSet rs = meta.getTableTypes();
assertTrue(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 1);
assertEquals(rsmeta.getColumnName(1), "TABLE_TYPE");
}
@Test public void columnOrderOfgetTypeInfo() throws SQLException {
ResultSet rs = meta.getTypeInfo();
assertTrue(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 18);
assertEquals(rsmeta.getColumnName(1), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(2), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(3), "PRECISION");
assertEquals(rsmeta.getColumnName(4), "LITERAL_PREFIX");
assertEquals(rsmeta.getColumnName(5), "LITERAL_SUFFIX");
assertEquals(rsmeta.getColumnName(6), "CREATE_PARAMS");
assertEquals(rsmeta.getColumnName(7), "NULLABLE");
assertEquals(rsmeta.getColumnName(8), "CASE_SENSITIVE");
assertEquals(rsmeta.getColumnName(9), "SEARCHABLE");
assertEquals(rsmeta.getColumnName(10), "UNSIGNED_ATTRIBUTE");
assertEquals(rsmeta.getColumnName(11), "FIXED_PREC_SCALE");
assertEquals(rsmeta.getColumnName(12), "AUTO_INCREMENT");
assertEquals(rsmeta.getColumnName(13), "LOCAL_TYPE_NAME");
assertEquals(rsmeta.getColumnName(14), "MINIMUM_SCALE");
assertEquals(rsmeta.getColumnName(15), "MAXIMUM_SCALE");
assertEquals(rsmeta.getColumnName(16), "SQL_DATA_TYPE");
assertEquals(rsmeta.getColumnName(17), "SQL_DATETIME_SUB");
assertEquals(rsmeta.getColumnName(18), "NUM_PREC_RADIX");
}
@Test public void columnOrderOfgetColumns() throws SQLException {
ResultSet rs = meta.getColumns(null, null, "test", null);
assertTrue(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 22);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
assertEquals(rsmeta.getColumnName(2), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TABLE_NAME");
assertEquals(rsmeta.getColumnName(4), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(5), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(6), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(7), "COLUMN_SIZE");
assertEquals(rsmeta.getColumnName(8), "BUFFER_LENGTH");
assertEquals(rsmeta.getColumnName(9), "DECIMAL_DIGITS");
assertEquals(rsmeta.getColumnName(10), "NUM_PREC_RADIX");
assertEquals(rsmeta.getColumnName(11), "NULLABLE");
assertEquals(rsmeta.getColumnName(12), "REMARKS");
assertEquals(rsmeta.getColumnName(13), "COLUMN_DEF");
assertEquals(rsmeta.getColumnName(14), "SQL_DATA_TYPE");
assertEquals(rsmeta.getColumnName(15), "SQL_DATETIME_SUB");
assertEquals(rsmeta.getColumnName(16), "CHAR_OCTET_LENGTH");
assertEquals(rsmeta.getColumnName(17), "ORDINAL_POSITION");
assertEquals(rsmeta.getColumnName(18), "IS_NULLABLE");
// should be SCOPE_CATALOG, but misspelt in the standard
assertEquals(rsmeta.getColumnName(19), "SCOPE_CATLOG");
assertEquals(rsmeta.getColumnName(20), "SCOPE_SCHEMA");
assertEquals(rsmeta.getColumnName(21), "SCOPE_TABLE");
assertEquals(rsmeta.getColumnName(22), "SOURCE_DATA_TYPE");
}
// the following functions always return an empty resultset, so
// do not bother testing their parameters, only the column types
@Test public void columnOrderOfgetProcedures() throws SQLException {
ResultSet rs = meta.getProcedures(null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 8);
assertEquals(rsmeta.getColumnName(1), "PROCEDURE_CAT");
assertEquals(rsmeta.getColumnName(2), "PROCEDURE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "PROCEDURE_NAME");
// currently (Java 1.5), cols 4,5,6 are undefined
assertEquals(rsmeta.getColumnName(7), "REMARKS");
assertEquals(rsmeta.getColumnName(8), "PROCEDURE_TYPE");
}
@Test public void columnOrderOfgetProcedurColumns() throws SQLException {
ResultSet rs = meta.getProcedureColumns(null, null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 13);
assertEquals(rsmeta.getColumnName(1), "PROCEDURE_CAT");
assertEquals(rsmeta.getColumnName(2), "PROCEDURE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "PROCEDURE_NAME");
assertEquals(rsmeta.getColumnName(4), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(5), "COLUMN_TYPE");
assertEquals(rsmeta.getColumnName(6), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(7), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(8), "PRECISION");
assertEquals(rsmeta.getColumnName(9), "LENGTH");
assertEquals(rsmeta.getColumnName(10), "SCALE");
assertEquals(rsmeta.getColumnName(11), "RADIX");
assertEquals(rsmeta.getColumnName(12), "NULLABLE");
assertEquals(rsmeta.getColumnName(13), "REMARKS");
}
@Test public void columnOrderOfgetSchemas() throws SQLException {
ResultSet rs = meta.getSchemas();
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 2);
assertEquals(rsmeta.getColumnName(1), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(2), "TABLE_CATALOG");
}
@Test public void columnOrderOfgetCatalogs() throws SQLException {
ResultSet rs = meta.getCatalogs();
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 1);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
}
@Test public void columnOrderOfgetColumnPrivileges() throws SQLException {
ResultSet rs = meta.getColumnPrivileges(null, null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 8);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
assertEquals(rsmeta.getColumnName(2), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TABLE_NAME");
assertEquals(rsmeta.getColumnName(4), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(5), "GRANTOR");
assertEquals(rsmeta.getColumnName(6), "GRANTEE");
assertEquals(rsmeta.getColumnName(7), "PRIVILEGE");
assertEquals(rsmeta.getColumnName(8), "IS_GRANTABLE");
}
@Test public void columnOrderOfgetTablePrivileges() throws SQLException {
ResultSet rs = meta.getTablePrivileges(null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 7);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
assertEquals(rsmeta.getColumnName(2), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TABLE_NAME");
assertEquals(rsmeta.getColumnName(4), "GRANTOR");
assertEquals(rsmeta.getColumnName(5), "GRANTEE");
assertEquals(rsmeta.getColumnName(6), "PRIVILEGE");
assertEquals(rsmeta.getColumnName(7), "IS_GRANTABLE");
}
@Test public void columnOrderOfgetBestRowIdentifier() throws SQLException {
ResultSet rs = meta.getBestRowIdentifier(null, null, null, 0, false);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 8);
assertEquals(rsmeta.getColumnName(1), "SCOPE");
assertEquals(rsmeta.getColumnName(2), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(3), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(4), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(5), "COLUMN_SIZE");
assertEquals(rsmeta.getColumnName(6), "BUFFER_LENGTH");
assertEquals(rsmeta.getColumnName(7), "DECIMAL_DIGITS");
assertEquals(rsmeta.getColumnName(8), "PSEUDO_COLUMN");
}
@Test public void columnOrderOfgetVersionColumns() throws SQLException {
ResultSet rs = meta.getVersionColumns(null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 8);
assertEquals(rsmeta.getColumnName(1), "SCOPE");
assertEquals(rsmeta.getColumnName(2), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(3), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(4), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(5), "COLUMN_SIZE");
assertEquals(rsmeta.getColumnName(6), "BUFFER_LENGTH");
assertEquals(rsmeta.getColumnName(7), "DECIMAL_DIGITS");
assertEquals(rsmeta.getColumnName(8), "PSEUDO_COLUMN");
}
@Test public void columnOrderOfgetPrimaryKeys() throws SQLException {
ResultSet rs;
ResultSetMetaData rsmeta;
stat.executeUpdate("create table nopk (c1, c2, c3, c4);");
stat.executeUpdate("create table pk1 (col1 primary key, col2, col3);");
stat.executeUpdate("create table pk2 (col1, col2 primary key, col3);");
stat.executeUpdate("create table pk3 (col1, col2, col3, col4, "
+ "primary key (col2, col3));");
rs = meta.getPrimaryKeys(null, null, "nopk");
assertFalse(rs.next());
rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 6);
assertEquals(rsmeta.getColumnName(1), "TABLE_CAT");
assertEquals(rsmeta.getColumnName(2), "TABLE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TABLE_NAME");
assertEquals(rsmeta.getColumnName(4), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(5), "KEY_SEQ");
assertEquals(rsmeta.getColumnName(6), "PK_NAME");
rs.close();
rs = meta.getPrimaryKeys(null, null, "pk1");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "col1");
assertFalse(rs.next());
rs.close();
rs = meta.getPrimaryKeys(null, null, "pk2");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "col2");
assertFalse(rs.next());
rs.close();
rs = meta.getPrimaryKeys(null, null, "pk3");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "col2");
assertTrue(rs.next());
assertEquals(rs.getString("COLUMN_NAME"), "col3");
assertFalse(rs.next());
rs.close();
}
/* TODO
@Test public void columnOrderOfgetImportedKeys() throws SQLException {
@Test public void columnOrderOfgetExportedKeys() throws SQLException {
@Test public void columnOrderOfgetCrossReference() throws SQLException {
@Test public void columnOrderOfgetTypeInfo() throws SQLException {
@Test public void columnOrderOfgetIndexInfo() throws SQLException {
@Test public void columnOrderOfgetSuperTypes() throws SQLException {
@Test public void columnOrderOfgetSuperTables() throws SQLException {
@Test public void columnOrderOfgetAttributes() throws SQLException {*/
@Test public void columnOrderOfgetUDTs() throws SQLException {
ResultSet rs = meta.getUDTs(null, null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 7);
assertEquals(rsmeta.getColumnName(1), "TYPE_CAT");
assertEquals(rsmeta.getColumnName(2), "TYPE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(4), "CLASS_NAME");
assertEquals(rsmeta.getColumnName(5), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(6), "REMARKS");
assertEquals(rsmeta.getColumnName(7), "BASE_TYPE");
}
@Test public void version() throws SQLException {
assertNotNull(meta.getDatabaseProductVersion());
assertTrue(
"pure".equals(meta.getDriverVersion()) ||
"native".equals(meta.getDriverVersion())
);
}
}