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diff --git a/azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/context/test_toolbelt.py b/azure/aria/aria-extension-cloudify/src/aria/tests/orchestrator/context/test_toolbelt.py
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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import pytest
+
+from aria import workflow, operation
+from aria.modeling import models
+from aria.orchestrator import context
+from aria.orchestrator.workflows import api
+from aria.orchestrator.workflows.executor import thread
+
+from tests import (
+    mock,
+    storage,
+    helpers
+)
+from . import (
+    op_path,
+    execute,
+)
+
+
+@pytest.fixture
+def workflow_context(tmpdir):
+    context = mock.context.simple(str(tmpdir))
+    yield context
+    storage.release_sqlite_storage(context.model)
+
+
+@pytest.fixture
+def executor():
+    result = thread.ThreadExecutor()
+    try:
+        yield result
+    finally:
+        result.close()
+
+
+@pytest.fixture
+def dataholder(tmpdir):
+    dataholder_path = str(tmpdir.join('dataholder'))
+    holder = helpers.FilesystemDataHolder(dataholder_path)
+    return holder
+
+
+def _get_elements(workflow_context):
+    dependency_node_template = workflow_context.model.node_template.get_by_name(
+        mock.models.DEPENDENCY_NODE_TEMPLATE_NAME)
+    dependency_node_template.host = dependency_node_template
+    workflow_context.model.node.update(dependency_node_template)
+
+    dependency_node = workflow_context.model.node.get_by_name(
+        mock.models.DEPENDENCY_NODE_NAME)
+    dependency_node.host_fk = dependency_node.id
+    workflow_context.model.node.update(dependency_node)
+
+    dependent_node_template = workflow_context.model.node_template.get_by_name(
+        mock.models.DEPENDENT_NODE_TEMPLATE_NAME)
+    dependent_node_template.host = dependency_node_template
+    workflow_context.model.node_template.update(dependent_node_template)
+
+    dependent_node = workflow_context.model.node.get_by_name(
+        mock.models.DEPENDENT_NODE_NAME)
+    dependent_node.host = dependent_node
+    workflow_context.model.node.update(dependent_node)
+
+    relationship = workflow_context.model.relationship.list()[0]
+    return dependency_node_template, dependency_node, dependent_node_template, dependent_node, \
+        relationship
+
+
+def test_host_ip(workflow_context, executor, dataholder):
+
+    interface_name = 'Standard'
+    operation_name = 'create'
+    _, dependency_node, _, _, _ = _get_elements(workflow_context)
+    arguments = {'putput': True, 'holder_path': dataholder.path}
+    interface = mock.models.create_interface(
+        dependency_node.service,
+        interface_name=interface_name,
+        operation_name=operation_name,
+        operation_kwargs=dict(function=op_path(host_ip, module_path=__name__), arguments=arguments)
+    )
+    dependency_node.interfaces[interface.name] = interface
+    dependency_node.attributes['ip'] = models.Attribute.wrap('ip', '1.1.1.1')
+
+    workflow_context.model.node.update(dependency_node)
+
+    @workflow
+    def basic_workflow(graph, **_):
+        graph.add_tasks(
+            api.task.OperationTask(
+                dependency_node,
+                interface_name=interface_name,
+                operation_name=operation_name,
+                arguments=arguments
+            )
+        )
+
+    execute(workflow_func=basic_workflow, workflow_context=workflow_context, executor=executor)
+
+    assert dataholder.get('host_ip') == dependency_node.attributes.get('ip').value
+
+
+def test_relationship_tool_belt(workflow_context, executor, dataholder):
+    interface_name = 'Configure'
+    operation_name = 'post_configure'
+    _, _, _, _, relationship = _get_elements(workflow_context)
+    arguments = {'putput': True, 'holder_path': dataholder.path}
+    interface = mock.models.create_interface(
+        relationship.source_node.service,
+        interface_name=interface_name,
+        operation_name=operation_name,
+        operation_kwargs=dict(function=op_path(relationship_operation, module_path=__name__),
+                              arguments=arguments)
+    )
+    relationship.interfaces[interface.name] = interface
+    workflow_context.model.relationship.update(relationship)
+
+    @workflow
+    def basic_workflow(graph, **_):
+        graph.add_tasks(
+            api.task.OperationTask(
+                relationship,
+                interface_name=interface_name,
+                operation_name=operation_name,
+                arguments=arguments
+            )
+        )
+
+    execute(workflow_func=basic_workflow, workflow_context=workflow_context, executor=executor)
+
+    assert dataholder.get(api.task.OperationTask.NAME_FORMAT.format(
+        type='relationship',
+        name=relationship.name,
+        interface=interface_name,
+        operation=operation_name)) == relationship.source_node.name
+
+
+def test_wrong_model_toolbelt():
+    with pytest.raises(RuntimeError):
+        context.toolbelt(None)
+
+
+@operation(toolbelt=True)
+def host_ip(toolbelt, holder_path, **_):
+    helpers.FilesystemDataHolder(holder_path)['host_ip'] = toolbelt.host_ip
+
+
+@operation(toolbelt=True)
+def relationship_operation(ctx, toolbelt, holder_path, **_):
+    helpers.FilesystemDataHolder(holder_path)[ctx.name] = toolbelt._op_context.source_node.name