@Test
public void testListUnknownSchema() {
assertNull(
metadata.getTableHandle(
SESSION, new SchemaTableName("totally_invalid_database_name", "dual")));
assertEquals(metadata.listTables(SESSION, "totally_invalid_database_name"), ImmutableList.of());
assertEquals(
metadata.listTableColumns(
SESSION, new SchemaTablePrefix("totally_invalid_database_name", "dual")),
ImmutableMap.of());
}
@Test
public void testListUnknownSchema() {
assertNull(
metadata.getTableHandle(SESSION, new SchemaTableName(INVALID_DATABASE, INVALID_TABLE)));
assertEquals(metadata.listTables(SESSION, INVALID_DATABASE), ImmutableList.of());
assertEquals(
metadata.listTableColumns(SESSION, new SchemaTablePrefix(INVALID_DATABASE, INVALID_TABLE)),
ImmutableMap.of());
assertEquals(metadata.listViews(SESSION, INVALID_DATABASE), ImmutableList.of());
assertEquals(
metadata.getViews(SESSION, new SchemaTablePrefix(INVALID_DATABASE, INVALID_TABLE)),
ImmutableMap.of());
}
// disabled until metadata manager is updated to handle invalid catalogs and schemas
@Test(enabled = false, expectedExceptions = SchemaNotFoundException.class)
public void testGetTableNamesException() throws Exception {
metadata.listTables(SESSION, INVALID_DATABASE);
}
@Test
public void testGetTableNames() throws Exception {
List<SchemaTableName> tables = metadata.listTables(SESSION, database);
assertTrue(tables.contains(table));
}
@Override
public List<SchemaTableName> listTables(String schemaNameOrNull) {
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listTables(schemaNameOrNull);
}
}