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In this tutorial, we will explore some advanced features of the mock server. If no OData service is available or you simply don’t want to depend on the OData backend connectivity for your development and tests, the mock server can mimic the OData back-end calls. It is designed to simulate an OData provider by intercepting the HTTP communication made to the server, and providing a fake output. All this is transparent to the data binding and usage of OData model.

In certain scenarios, using only the built-in OData simulation of the mock server is insufficient for completely server-independent tests. For example, if your application is using an OData feature that is not supported by the mock server, or if your application invokes a function import that depends on server specific implementation (and thus is also not simulated generically). We will demonstrate how to use function callbacks in order to change existing mock requests.

Additionally, we will demonstrate how to mock an additional request that is not simulated out of the box by the SAPUI5 mock server.

Caution

The tutorial describes how to use some advanced features of the mock server, disregarding the legal aspects of shipping mock data. Usually the mock data and mock server invocation is done in a test folder that is not shipped to customers. Be very careful that you don't ship mock data!

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Tip

You don't have to do all tutorial steps sequentially, you can also jump directly to any step you want. Just download the code from the previous step, and start there.

You can view and download the files for all steps in the Explored app in the demo kit under Mock Server. Copy the code to your workspace and make sure that the application runs by calling the webapp/index.html file. Depending on your development environment you might have to adjust resource paths and configuration entries.

For more information check the following sections of the tutorials overview page (see Tutorials):
Prerequisites

This tutorial assumes you have access to the SAP Web IDE either by having a trial account or a customer account. For more information, see App Development Using SAP Web IDE.

You should also be familiar with the concepts explained in the Walkthrough tutorial and with the OData specification.

  1. Step 1: Initial App Without Data
    We start with a simple app scenario with a list of items bound to an OData service. Since the OData service is not available yet on a real server, we will use the mock server to simulate both data and data calls.
  2. Step 2: Creating a Mock Server to Simulate Data
    In this step we use the mock server to add data to our app without dependency to any remote server or system.
  3. Step 3: Handling Custom URL Parameters
    In this step, we add the functionality to interpret URL parameters in our local mock server configuration.
  4. Step 4: Calling a Function Import
    We only want to display the upcoming meetings and hide the meetings happened in the past in our app. By using a function import that calculates these items on the back end we do not need to do the calculation on the client. The mock server will be instructed to do the calculation locally for testing purposes.
  5. Summary
    You should now be able to influence the response of existing mock requests as well as implement additional mock requests that are not getting simulated out of the box using the mock server in SAPUI5.
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