def test_store_copy_from():
    with closing(connect()) as conn:
        with closing(conn.cursor()) as cursor:
            drop_table(cursor)
            create_table(cursor)
            add_initial_timestamp(cursor)
            initial_timestamp = get_scalar(cursor)

        conn.commit()

    print("initial timestamp: {}".format(initial_timestamp))

    task1 = start_after(0, task("task 1", 4))
    thread1 = Thread(target=task1)
    thread1.start()

    task2 = start_after(1, task("task 2", 1))
    thread2 = Thread(target=task2)
    thread2.start()

    thread1.join()
    thread2.join()

    with closing(connect()) as conn:
        with closing(conn.cursor()) as cursor:
            get_timestamp(cursor)
            final_timestamp = get_scalar(cursor)

    print("final timestamp: {}".format(final_timestamp))
Exemplo n.º 2
0
    def setup(i):
        i.data = test_set()
        i.conn = connect()

        clear_database(i.conn)

        with closing(i.conn.cursor()) as cursor:
            i.data.load(cursor)

        i.conn.commit()
Exemplo n.º 3
0
    def setup(self):
        self.conn = connect()

        clear_database(self.conn)

        with closing(self.conn.cursor()) as cursor:
            self.datasource = name_to_datasource(cursor, "test-source")
            self.entitytype = name_to_entitytype(cursor, "test_type")

        self.conn.commit()
    def test_run(self):
        self.maxDiff = None
        with closing(connect()) as conn:
            with closing(conn.cursor()) as cursor:
                cursor.execute("DELETE FROM trend.trendstore")
                cursor.execute("DELETE FROM attribute_directory.attributestore")
                cursor.execute(
                    "SELECT trend.create_trendstore("
                    "    'test-datasource',"
                    "    'test-entitytype',"
                    "    '900',"
                    "    ARRAY["
                    "        ('x', 'integer', 'test trend'),"
                    "        ('y', 'double precision', 'another test trend')"
                    "    ]::trend.trend_descr[]"
                    ")")

                cursor.execute(
                    "SELECT attribute_directory.create_attributestore("
                    "    'test-datasource',"
                    "    'test-entitytype',"
                    "    ARRAY["
                    "       ('height', 'double precision', 'fictive attribute'),"
                    "       ('power', 'integer', 'another fictive attribute')"
                    "    ]::attribute_directory.attribute_descr[]"
                    ")"
                )

            conn.commit()

        process = subprocess.Popen(['minerva-dump'], stdout=subprocess.PIPE)
        out, err = process.communicate()

        self.assertMultiLineEqual(out, """\
SELECT trend.create_trendstore(
    'test-datasource',
    'test-entitytype',
    '900',
    ARRAY[
        ('x', 'integer', ''),
        ('y', 'double precision', '')
    ]::trend.trend_descr[]
);

SELECT attribute_directory.create_attributestore(
    'test-datasource',
    'test-entitytype',
    ARRAY[
        ('height', 'double precision', 'fictive attribute'),
        ('power', 'integer', 'another fictive attribute')
    ]::attribute_directory.attribute_descr[]
);

""")
Exemplo n.º 5
0
    def f():
        obtain_lock = query(
            "LOCK TABLE system.job_queue "
            "IN SHARE UPDATE EXCLUSIVE MODE NOWAIT;")

        with closing(connect()) as conn:
            try:
                with closing(conn.cursor()) as cursor:
                    obtain_lock(cursor)

                time.sleep(duration)
            except psycopg2.OperationalError:
                conn.rollback()
            else:
                conn.commit()
    def f():
        print("{} start".format(name))

        with closing(connect()) as conn:
            with closing(conn.cursor()) as cursor:
                timestamp = now(cursor)
                print("{} timestamp: {}".format(name, timestamp))

                sleep(duration)

                update_timestamp(cursor, timestamp)

            conn.commit()

        print("{} commit".format(name))
Exemplo n.º 7
0
def main():
    with closing(connect()) as conn:
        run(conn)
Exemplo n.º 8
0
def main():
    """Script entry point."""
    with closing(connect()) as conn:
        jobsource_id = add_dummy_jobsource(conn)

        run(conn, jobsource_id)