How to use the pyodata.Client function in pyodata

def test_metadata_not_reachable():
    """Check handling of not reachable service metadata"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='text/html',
        status=404)

    with pytest.raises(HttpError) as e_info:
        pyodata.Client(SERVICE_URL, requests)

    assert str(e_info.value).startswith('Metadata request failed')

def test_create_service_text_xml(metadata):
    """Check client creation for valid use case with MIME type 'text/xml'"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='text/xml',
        body=metadata,
        status=200)

    client = pyodata.Client(SERVICE_URL, requests)

    assert isinstance(client, pyodata.v2.service.Service)

    # onw more test for '/' terminated url

    client = pyodata.Client(SERVICE_URL + '/', requests)

    assert isinstance(client, pyodata.v2.service.Service)

"""Check client creation for valid use case with MIME type 'application/xml'"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='application/xml',
        body=metadata,
        status=200)

    client = pyodata.Client(SERVICE_URL, requests)

    assert isinstance(client, pyodata.v2.service.Service)

    # onw more test for '/' terminated url

    client = pyodata.Client(SERVICE_URL + '/', requests)

    assert isinstance(client, pyodata.v2.service.Service)

def test_create_client_for_local_metadata(metadata):
    """Check client creation for valid use case with local metadata"""

    client = pyodata.Client(SERVICE_URL, requests, metadata=metadata)

    assert isinstance(client, pyodata.v2.service.Service)

    assert len(client.schema.entity_sets) != 0

def test_create_service_application_xml(metadata):
    """Check client creation for valid use case with MIME type 'application/xml'"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='application/xml',
        body=metadata,
        status=200)

    client = pyodata.Client(SERVICE_URL, requests)

    assert isinstance(client, pyodata.v2.service.Service)

    # onw more test for '/' terminated url

    client = pyodata.Client(SERVICE_URL + '/', requests)

    assert isinstance(client, pyodata.v2.service.Service)

}

    custom_config = Config(
        xml_namespaces=namespaces,
        default_error_policy=PolicyFatal(),
        custom_error_policies={
            ParserError.ANNOTATION: PolicyWarning(),
            ParserError.ASSOCIATION: PolicyIgnore()
        })

    with pytest.raises(PyODataException) as e_info:
        client = pyodata.Client(SERVICE_URL, requests, config=custom_config, namespaces=namespaces)

    assert str(e_info.value) == 'You cannot pass namespaces and config at the same time'

    client = pyodata.Client(SERVICE_URL, requests, namespaces=namespaces)

    mock_warning.assert_called_with(
        'Passing namespaces directly is deprecated. Use class Config instead',
        DeprecationWarning
    )
    assert isinstance(client, pyodata.v2.service.Service)
    assert client.schema.config.namespaces == namespaces

    client = pyodata.Client(SERVICE_URL, requests, config=custom_config)

    assert isinstance(client, pyodata.v2.service.Service)
    assert client.schema.config == custom_config

"""Check client creation for valid use case with MIME type 'text/xml'"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='text/xml',
        body=metadata,
        status=200)

    client = pyodata.Client(SERVICE_URL, requests)

    assert isinstance(client, pyodata.v2.service.Service)

    # onw more test for '/' terminated url

    client = pyodata.Client(SERVICE_URL + '/', requests)

    assert isinstance(client, pyodata.v2.service.Service)

def test_metadata_saml_not_authorized():
    """Check handling of not SAML / OAuth unauthorized response"""

    responses.add(
        responses.GET,
        "{0}/$metadata".format(SERVICE_URL),
        content_type='text/html; charset=utf-8',
        status=200)

    with pytest.raises(HttpError) as e_info:
        pyodata.Client(SERVICE_URL, requests)

    assert str(e_info.value).startswith('Metadata request did not return XML, MIME type:')

namespaces = {
        'edmx': "customEdmxUrl.com",
        'edm': 'customEdmUrl.com'
    }

    custom_config = Config(
        xml_namespaces=namespaces,
        default_error_policy=PolicyFatal(),
        custom_error_policies={
            ParserError.ANNOTATION: PolicyWarning(),
            ParserError.ASSOCIATION: PolicyIgnore()
        })

    with pytest.raises(PyODataException) as e_info:
        client = pyodata.Client(SERVICE_URL, requests, config=custom_config, namespaces=namespaces)

    assert str(e_info.value) == 'You cannot pass namespaces and config at the same time'

    client = pyodata.Client(SERVICE_URL, requests, namespaces=namespaces)

    mock_warning.assert_called_with(
        'Passing namespaces directly is deprecated. Use class Config instead',
        DeprecationWarning
    )
    assert isinstance(client, pyodata.v2.service.Service)
    assert client.schema.config.namespaces == namespaces

    client = pyodata.Client(SERVICE_URL, requests, config=custom_config)

    assert isinstance(client, pyodata.v2.service.Service)
    assert client.schema.config == custom_config