コード例 #1
0
def NOtest_do_if_locked():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
コード例 #2
0
def test_add_remove():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    assert session.query(BlockModel).count() == 0
    assert session.query(HeaderModel).count() == 0
    assert session.query(TxModel).count() == 0
    assert session.query(ParamModel).count() == 0
    assert session.query(ErrorModel).count() == 0
    block = Block(b64decode_hashes=True, from_detailed_dict=d3[0])
    block_m = BlockModel.update_from_block(block, session=sm.get(sn))
    assert isinstance(block_m, BlockModel)
    assert session.query(BlockModel).count() == 1
    assert session.query(HeaderModel).count() == 1
    assert session.query(TxModel).count() == 2
    assert session.query(ParamModel).count() == 4
    assert session.query(ErrorModel).count() == 0
    block_m.add_error(error="Test Error", raw_error="Test Raw Error")
    assert session.query(ErrorModel).count() == 1
    block_m.delete(session=session)
    assert session.query(BlockModel).count() == 0
    assert session.query(HeaderModel).count() == 0
    assert session.query(TxModel).count() == 0
    assert session.query(ParamModel).count() == 0
    assert session.query(ErrorModel).count() == 0
コード例 #3
0
def test_add():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
コード例 #4
0
def test_delete_expired_locks():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    create_tables([LockModel], sm.get_engine(seq_num))

    assert LockModel.is_locked(session=session) == False

    to = 1

    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 0
    LockModel.lock(session=session)
    assert LockModel.is_locked(session=session) == True
    assert session.query(LockModel).count() == 1
    lock = LockModel.get_latest_lock(session=session)
    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 0
    print("Pausing for %d seconds ..." % (to + 1))
    time.sleep(to + 1)
    LockModel.lock(session=session)
    assert session.query(LockModel).count() == 2
    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 1
    LockModel.delete_expired_locks(session=session, timeout_secs=to)
    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 0
    assert session.query(LockModel).count() == 1
コード例 #5
0
def test_member_add_record_from_dict():
    app = create_test_app()
    update_aux_db_engine_discovery_map(app,
                                       force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    asm = AuxSessionManager(app=app)
    seq_num = 1
    engine = asm.get_engine(seq_num)
    session = asm.get(seq_num)
    session.query(MemberModel).delete()
    assert session.query(MemberModel).count() == 0
    d = {
        'ecosystem_id': 1,
        'key_id': -123,
        'address': '456',
        'pub': 'a9823432',
        'amount': 13.1,
        'maxpay': 10.2,
        'multi': 1,
        'deleted': 1,
        'blocked': 1,
    }
    MemberModel.add_record_from_dict(d, session=session)
    assert session.query(MemberModel).count() == 1
    i = session.query(MemberModel).first()
    for k, v in d.items():
        assert hasattr(i, k)
        val = getattr(i, k)
        if k in ('amount', 'maxpay'):
            assert float(v) == float(val)
        else:
            assert val == v
コード例 #6
0
def test_add_all_records_for_all_ecosystems():
    app = create_test_app()
    update_aux_db_engine_discovery_map(app,
                                       force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    asm = AuxSessionManager(app=app)
    seq_num = 1
    engine = asm.get_engine(seq_num)
    session = asm.get(seq_num)
    m_session = sm.get(seq_num)
    session.query(MemberModel).delete()
    assert session.query(MemberModel).count() == 0
    assert m_session.query(EsKeys).count() > 0
    MemberModel.add_all_records_for_all_ecosystems(EsKeys,
                                                   ecosystem_model=Ecosystem,
                                                   session=session,
                                                   model_session=m_session)
    total = 0
    for es in m_session.query(Ecosystem).all():
        EsKeys.set_ecosystem(es.id)
        for m_item in m_session.query(EsKeys).all():
            item = session.query(MemberModel).filter_by(key_id=m_item.id).one()
            assert_eskeys_and_member_instances_eq(m_item, item)
        total += m_session.query(EsKeys).count()
    assert session.query(MemberModel).count() == total
コード例 #7
0
def test_update_from_param():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    create_tables([TxModel, ParamModel], sm.get_engine(sn))

    # TODO: fix when:
    # td = get_block_data_from_dict(d3[0])['transactions'][0]['params'] # [0]
    td = get_block_data_from_dict(d3[0])['transactions'][1]['params']  # [0]
    print("test_update_from_param 2 td: %s" % td)
    p0n = tuple(td.keys())[0]
    p0v = td[p0n]
    pd = {p0n: p0v}
    app = create_test_app()
    assert len(ParamModel.query.with_session(session).all()) == 0
    p = Param(**pd)
    ParamModel.update_from_param(p, session=session)
    assert len(ParamModel.query.with_session(session).all()) == 1
    pm = ParamModel.query.with_session(session).all()[0]
    assert pm.name == p0n
    assert pm.value == p0v
    try:
        ParamModel.update_from_param(p, session=session)
    except exc.IntegrityError:
        pass
def test_update_from_block_model_instance_via_manager():
    app = create_test_app()
    bhm = BlockHelperManager(app=app, engine_echo=False)

    sm = AuxSessionManager(app=app)
    seq_num = 1
    bm_session = sm.get(seq_num)
    bm_engine = sm.get_engine(seq_num)
    create_tables([BlockModel], bm_engine, recreate_if_exists=True)

    len_bm_first = len(BlockModel.query.with_session(bm_session).all())
    assert len_bm_first == 0
    block = Block(b64decode_hashes=True, from_detailed_dict=d3[0])
    BlockModel.update_from_block(block, session=bm_session)
    assert len(BlockModel.query.with_session(bm_session).all()) == len_bm_first + 1

    bm_instance = BlockModel.query.with_session(bm_session).all()[0]

    len_first = len(bhm.session.query(bhm.model).all())
    assert len_first == 0
    bhm.model.update_from_main_model_instance(bm_instance, session=bhm.session, main_model_session=bm_session, seq_num=seq_num)
    num_of_bhm_records = len(BlockModel.__table__.columns) - len(BlockHelperModel.get_drop_fields()) + 2
    assert len(bhm.session.query(bhm.model).all()) == len_first + num_of_bhm_records 
    bhm.session.query(bhm.model).filter_by(seq_num=seq_num, block_id=bm_instance.id).delete()
    bhm.model.update_from_main_model_instance(bm_instance, session=bhm.session, main_model_session=bm_session, seq_num=seq_num)
    assert len(bhm.session.query(bhm.model).all()) == len_first + num_of_bhm_records
コード例 #9
0
def test_add_clear():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    assert session.query(BlockModel).count() == 0
    assert session.query(HeaderModel).count() == 0
    assert session.query(TxModel).count() == 0
    assert session.query(ParamModel).count() == 0
    assert session.query(ErrorModel).count() == 0
    block1 = Block(b64decode_hashes=True, from_detailed_dict=d3[0])
    block1_m = BlockModel.update_from_block(block1, session=sm.get(sn))
    block2 = Block(b64decode_hashes=True, from_detailed_dict=d3[1])
    block2_m = BlockModel.update_from_block(block2, session=sm.get(sn))
    assert isinstance(block1_m, BlockModel)
    assert isinstance(block2_m, BlockModel)
    assert block1_m != block2_m
    assert session.query(BlockModel).count() == 2
    assert session.query(HeaderModel).count() == 2
    assert session.query(TxModel).count() == 4
    assert session.query(ParamModel).count() == 8
    assert session.query(ErrorModel).count() == 0
    block1_m.add_error(error="Test 1 Error", raw_error="Test 1 Raw Error")
    assert session.query(ErrorModel).count() == 1
    block2_m.add_error(error="Test 2 Error", raw_error="Test 2 Raw Error")
    assert session.query(ErrorModel).count() == 2
    BlockModel.clear(session=session)
    assert session.query(BlockModel).count() == 0
    assert session.query(HeaderModel).count() == 0
    assert session.query(ParamModel).count() == 0
    assert session.query(TxModel).count() == 0
    assert session.query(ErrorModel).count() == 0
コード例 #10
0
def NOtest_add_fill_error():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    sn = 1
    len_first = BlockModel.query.with_session(sm.get(sn)).count()
    block_id = tuple(d3[0].keys())[0]
    BlockModel.add_fill_error(block_id, session=sm.get(sn))
    len_after = BlockModel.query.with_session(sm.get(sn)).count()
コード例 #11
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def test_get_engine():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    if len(app.config['AUX_DB_ENGINE_DISCOVERY_MAP']) == 0:
        try:
            sm.get_engine(1)
        except DbEngineMapIsEmptyError as e:
            print("AUX_DB_ENGINE_DISCOVERY_MAP is empty")
            return
    assert isinstance(sm.get_engine(1), Engine)
コード例 #12
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def test_table_manager_object():
    app = create_test_app()
    models = [BlockModel, HeaderModel, TxModel, ParamModel]
    sm = AuxSessionManager(app=app)
    tm = TableManager(app=app, recreate_if_exists=True)
    tm.create_tables()
    for seq_num in range(1, get_num_of_backends(app) + 1):
        engine = sm.get_engine(seq_num)
        for model in models:
            assert engine.dialect.has_table(engine, model.__tablename__)
コード例 #13
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def create_tables_by_seq_nums(**kwargs):
    app = kwargs.get('app', create_test_app())
    recreate_if_exists = kwargs.get('recreate_if_exists', True)
    _seq_nums = kwargs.get('seq_nums', seq_nums)
    _involved_models = kwargs.get('involved_models', involved_models)
    for seq_num in _seq_nums:
        asm = AuxSessionManager(app=app)
        create_tables(_involved_models,
                      asm.get_engine(seq_num),
                      recreate_if_exists=recreate_if_exists)
コード例 #14
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def test_fill_block():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    BlockModel.clear(session=session)
    assert session.query(BlockModel).count() == 0
    f = BlockFiller(app=app, seq_num=seq_num, recreate_tables_if_exist=False)
    block_id = 3
    f.fill_block(block_id)
    assert session.query(BlockModel).count() == 1
コード例 #15
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def test_get_bind_name():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    if len(app.config['AUX_DB_ENGINE_DISCOVERY_MAP']) == 0:
        try:
            sm.get_bind_name(1)
        except DbEngineMapIsEmptyError as e:
            print("AUX_DB_ENGINE_DISCOVERY_MAP is empty")
            return
    assert sm.get_bind_name(1) == tuple(
        app.config['AUX_DB_ENGINE_DISCOVERY_MAP'].keys())[0]
コード例 #16
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def test_member_object_creation():
    app = create_test_app()
    update_aux_db_engine_discovery_map(app,
                                       force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    asm = AuxSessionManager(app=app)
    seq_num = 1
    engine = asm.get_engine(seq_num)
    session = asm.get(seq_num)
    create_tables(involved_models, engine)
    assert session.query(MemberModel).with_session(
        asm.get(seq_num)).count() == 0
コード例 #17
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def test_update_from_header():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(app, force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    hd = get_block_data_from_dict(d3[0])['header']
    len_first = len(HeaderModel.query.with_session(session).all())
    h = Header(b64decode_hashes=True, from_dict=hd)
    HeaderModel.update_from_header(h, session=session)
    assert len(HeaderModel.query.with_session(session).all()) == len_first + 1
コード例 #18
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def test_update_from_dict():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(app, force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    create_tables([BlockModel, HeaderModel], sm.get_engine(sn))
    hd  = get_block_data_from_dict(d3[0])['header']
    len_first = len(HeaderModel.query.with_session(session).all())
    HeaderModel.update_from_dict(hd, session=session)
    assert len(HeaderModel.query.with_session(session).all()) == len_first + 1
コード例 #19
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def test_fill_blocks__1():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    f = BlockFiller(app=app,
                    seq_num=seq_num,
                    recreate_tables_if_exist=False,
                    fetch_num_of_blocks=15)
    assert session.query(BlockModel).count() == 0
    f.fill_blocks(1, 10)
    assert session.query(BlockModel).count() == 10
コード例 #20
0
def NOtest_update_from_list_of_dicts():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(app, force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)

    td = get_block_data_from_dict(d3[1])['transactions']
    len_first = len(TxModel.query.with_session(session).all())
    TxModel.update_from_list_of_dicts(td, session=session)
    assert len(TxModel.query.with_session(session).all()) == len_first + len(td)
コード例 #21
0
def NOtest_update_from_tx_set():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(app, force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)

    td = get_block_data_from_dict(d3[0])['transactions']
    len_first = len(TxModel.query.with_session(session).all())
    tx = TxSet(b64decode_hashes=True, from_list=td)
    TxModel.update_from_tx_set(tx, session=session)
    assert len(TxModel.query.with_session(session).all()) == len_first + tx.count
コード例 #22
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def test_fill_all_blocks():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    BlockModel.clear(session=session)
    assert session.query(BlockModel).count() == 0
    f = BlockFiller(app=app,
                    seq_num=seq_num,
                    recreate_tables_if_exist=False,
                    fetch_num_of_blocks=10)
    f.fill_all_blocks()
    assert session.query(BlockModel).count() == get_max_block_id(seq_num)
コード例 #23
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def test_update_from_main_model_instance_via_manager():
    app = create_test_app()
    mhm = MemberHelperManager(app=app, engine_echo=True)

    sm = AuxSessionManager(app=app)
    seq_num = 1
    mm_session = sm.get(seq_num)
    mm_engine = sm.get_engine(seq_num)
    create_tables([MemberModel], mm_engine, recreate_if_exists=True)

    len_mm_first = len(MemberModel.query.with_session(mm_session).all())
    assert len_mm_first == 0
    d = {
        'ecosystem_id': 1,
        'key_id': -123,
        'address': '456',
        'pub': 'a9823432',
        'amount': 13.1,
        'maxpay': 10.2,
        'multi': 1,
        'deleted': 1,
        'blocked': 1,
    }
    MemberModel.add_record_from_dict(d, session=mm_session)
    assert len(
        MemberModel.query.with_session(mm_session).all()) == len_mm_first + 1

    mm_instance = MemberModel.query.with_session(mm_session).all()[0]

    len_first = len(mhm.session.query(mhm.model).all())
    assert len_first == 0
    mhm.model.update_from_main_model_instance(mm_instance,
                                              session=mhm.session,
                                              main_model_session=mm_session,
                                              seq_num=seq_num,
                                              ecosystem_id=1)
    num_of_mhm_records = len(MemberModel.__table__.columns) - len(
        MemberHelperModel.get_drop_fields())
    assert len(mhm.session.query(
        mhm.model).all()) == len_first + num_of_mhm_records

    print("---------------ALL: %s" % mhm.session.query(mhm.model).filter_by(
        seq_num=seq_num, id=mm_instance.id).all())
    mhm.session.query(mhm.model).filter_by(seq_num=seq_num,
                                           id=mm_instance.id).delete()
    mhm.model.update_from_main_model_instance(mm_instance,
                                              session=mhm.session,
                                              main_model_session=mm_session,
                                              seq_num=seq_num,
                                              ecosystem_id=1)
    print("len of mhm: %s" % len(mhm.session.query(mhm.model).all()))
コード例 #24
0
def NOtest_get_bind_name():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    sn = 1
    if len(app.config['AUX_DB_ENGINE_DISCOVERY_MAP']) == 0:
        try:
            sm.get_bind_name(sn)
        except DbEngineMapIsEmptyError as e:
            print("AUX_DB_ENGINE_DISCOVERY_MAP is empty")
            return
    assert sm.get_bind_name(sn) == tuple(
        app.config['AUX_DB_ENGINE_DISCOVERY_MAP'].keys())[0]
コード例 #25
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def test_add():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    create_tables([LogModel], sm.get_engine(seq_num))

    assert len(LogModel.query.with_session(session=session).all()) == 0
    LogModel.add(session=session, context='filler', caller='fill_block')
    assert len(LogModel.query.with_session(session=session).all()) == 1
    LogModel.add(session=session, context='filler', caller='fill_block')
    assert len(LogModel.query.with_session(session=session).all()) == 2
コード例 #26
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def nontest_update_from_main_model_instance():
    app = create_test_app()
    update_aux_db_engine_discovery_map(app,
                                       force_update=True,
                                       aux_db_engine_name_prefix='test_aux_')
    engine = get_aux_helpers_engine(app)
    metadata = MetaData()
    metadata.create_all(engine)
    session = get_aux_helpers_session(app)
    create_tables([TxHelperModel], engine, recreate_if_exists=True)
    session.query(TxHelperModel).all()

    sm = AuxSessionManager(app=app)
    seq_num = 1
    bm_session = sm.get(seq_num)
    bm_engine = sm.get_engine(seq_num)
    create_tables([TxModel], bm_engine, recreate_if_exists=True)

    len_bm_first = len(TxModel.query.with_session(bm_session).all())
    assert len_bm_first == 0
    block = Block(b64decode_hashes=True, from_detailed_dict=d3[0])
    BlockModel.update_from_block(block, session=bm_session)
    assert len(
        BlockModel.query.with_session(bm_session).all()) == len_bm_first + 1

    bm_instance = BlockModel.query.with_session(bm_session).all()[0]

    len_first = len(BlockHelperModel.query.with_session(session).all())
    assert len_first == 0
    BlockHelperModel.update_from_block_model_instance(
        bm_instance,
        session=session,
        block_model_session=bm_session,
        seq_num=seq_num)
    num_of_bm_fields = len(BlockModel.__table__.columns)
    assert len(
        BlockHelperModel.query.with_session(session).filter_by(
            seq_num=seq_num).all()) == len_first + num_of_bm_fields - 1

    BlockHelperModel.query.with_session(session).filter_by(
        seq_num=seq_num, block_id=bm_instance.id).delete()
    BlockHelperModel.update_from_block_model_instance(
        bm_instance,
        session=session,
        block_model_session=bm_session,
        seq_num=seq_num)
    assert len(
        BlockHelperModel.query.with_session(session).filter_by(
            seq_num=seq_num).all()) == len_first + num_of_bm_fields - 1
コード例 #27
0
def NOtest_add_delete():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    td = get_block_data_from_dict(d3[0])['transactions'][0]
    assert TxModel.query.with_session(session).count() == 0
    assert ParamModel.query.with_session(session).count() == 0
    tx_m = TxModel.update_from_dict(td, session=session)
    assert isinstance(tx_m, TxModel)
    assert TxModel.query.with_session(session).count() == 1
    assert ParamModel.query.with_session(session).count() == 2
    tx_m.delete(session=session)
    assert TxModel.query.with_session(session).count() == 0
    assert ParamModel.query.with_session(session).count() == 0
コード例 #28
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def test_get_latest_lock():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    create_tables([LockModel], sm.get_engine(seq_num))

    assert LockModel.is_locked(session=session) == False
    LockModel.lock(session=session)
    assert LockModel.is_locked(session=session) == True
    q = LockModel.get_latest_lock(session=session)
    assert isinstance(q, LockModel)
    LockModel.unlock(session=session)
    q = LockModel.get_latest_lock(session=session)
    assert q is None
コード例 #29
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def test_clear_garbage():
    app = create_test_app()
    new_map = update_aux_db_engine_discovery_map(
        app, force_update=True, aux_db_engine_name_prefix='test_aux_')
    sm = AuxSessionManager(app=app)
    seq_num = 1
    session = sm.get(seq_num)
    create_tables([LockModel], sm.get_engine(seq_num))

    assert LockModel.is_locked(session=session) == False

    to = 1
    fake_pid = get_fake_pid()
    LockModel.lock(session=session)
    time.sleep(to + 1)
    LockModel.lock(session=session)
    LockModel.lock(session=session, process_id=fake_pid)
    assert LockModel.is_locked(session=session) == True
    assert session.query(LockModel).count() == 3
    qs = session.query(LockModel).all()
    qs_pids = [q.process_id for q in qs]

    assert fake_pid in qs_pids
    q = LockModel.get_latest_lock(session=session)
    assert isinstance(q, LockModel)
    assert session.query(LockModel).count() == 3

    zqs = LockModel.get_zombie_locks(session=session)
    zqs_pids = [q.process_id for q in zqs]
    assert len(zqs_pids) == 1
    assert fake_pid in zqs_pids

    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 1

    LockModel.clear_garbage(session=session, timeout_secs=to)
    zqs = LockModel.get_zombie_locks(session=session)
    zqs_pids = [q.process_id for q in zqs]
    assert len(zqs_pids) == 0

    eqs = LockModel.get_expired_locks(session=session, timeout_secs=to)
    assert len(eqs) == 0

    LockModel.unlock(session=session)
    assert session.query(LockModel).count() == 0
コード例 #30
0
def test_add_clear():
    app = create_test_app()
    sm = AuxSessionManager(app=app)
    sn = 1
    session = sm.get(sn)
    td1 = get_block_data_from_dict(d3[0])['transactions'][0]
    td2 = get_block_data_from_dict(d3[1])['transactions'][0]
    assert TxModel.query.with_session(session).count() == 0
    assert ParamModel.query.with_session(session).count() == 0
    tx1_m = TxModel.update_from_dict(td1, session=session)
    tx2_m = TxModel.update_from_dict(td2, session=session)
    assert isinstance(tx1_m, TxModel)
    assert isinstance(tx2_m, TxModel)
    assert TxModel.query.with_session(session).count() == 2
    assert ParamModel.query.with_session(session).count() == 4
    TxModel.clear(session=session)
    assert TxModel.query.with_session(session).count() == 0
    assert ParamModel.query.with_session(session).count() == 0