sqlpad/drivers/hdb/test.js

Web app. Write SQL and visualize the results. Supports Postgres, MySQL, SQL Server, Crate, Vertica and SAP HANA.

const assert = require('assert');
const hdb = require('./index.js');

const connection = {
  name: 'test hdb (SAP HANA)',
  driver: 'hdb',
  host: 'localhost',
  hanaport: 39017,
  hanadatabase: 'HXE',
  username: 'SYSTEM',
  password: 'SQLPad1!',
  hanaSchema: 'SYSTEM',
  maxRows: 50000
};

const initSqls = [
  'CREATE TABLE test ( ID INTEGER );',
  'INSERT INTO test VALUES (1);',
  'INSERT INTO test VALUES (2);',
  'INSERT INTO test VALUES (3);'
];

describe('drivers/hdb', function() {
  before(function() {
    this.timeout(10000);
    let seq = hdb.runQuery('DROP TABLE test;', connection).catch(() => {
      // ignore error - table might not exist
    });
    initSqls.forEach(sql => {
      seq = seq.then(() => hdb.runQuery(sql, connection));
    });
    return seq;
  });

  it('tests connection', function() {
    return hdb.testConnection(connection);
  });

  it('getSchema()', function() {
    return hdb.getSchema(connection).then(schemaInfo => {
      assert(schemaInfo.SYSTEM, 'SYSTEM');
      assert(schemaInfo.SYSTEM.TEST, 'SYSTEM.TEST');
      const columns = schemaInfo.SYSTEM.TEST;
      assert.equal(columns.length, 1, 'columns.length');
      assert.equal(columns[0].table_schema, 'SYSTEM', 'table_schema');
      assert.equal(columns[0].table_name, 'TEST', 'table_name');
      assert.equal(columns[0].column_name, 'ID', 'column_name');
      assert(columns[0].hasOwnProperty('data_type'), 'data_type');
    });
  });

  it('runQuery under limit', function() {
    return hdb
      .runQuery('SELECT id FROM test WHERE id = 1;', connection)
      .then(results => {
        assert(!results.incomplete, 'not incomplete');
        assert.equal(results.rows.length, 1, 'rows length');
      });
  });

  it('runQuery over limit', function() {
    const limitedConnection = Object.assign({}, connection, { maxRows: 2 });
    return hdb
      .runQuery('SELECT * FROM test;', limitedConnection)
      .then(results => {
        assert(results.incomplete, 'incomplete');
        assert.equal(results.rows.length, 2, 'row length');
      });
  });

  it('returns descriptive error message', function() {
    let error;

    // NOTE: SAP HANA turns things into ALL CAPS
    return hdb
      .runQuery('SELECT * FROM MISSING_TABLE;', connection)
      .catch(e => {
        error = e;
      })
      .then(() => {
        assert(error);
        assert(error.toString().indexOf('MISSING_TABLE') > -1);
      });
  });
});