Example - Creating a Test Case

The following example creates a simple test case that includes setup code, a simple test that writes to a data file, and a teardown that tidies up the test at the end. You can enhance this test further by including your own test assertions in the main test case section.

Create a unit test project (see link below).
In Solution Explorer, right-click the name of the new project, then select Add > New Item.
On the Add New Item dialog box, select Test Program, type a name for the test program, then click Add.
Restriction: Do not use a test program name of mfunit, as this will not run within the Micro Focus Unit Testing Framework.

A new test program is created, and within it, the stub-code for your first test case.

This short example test uses a data file, and so add the following immediately after the line program-id. program-name:

       environment division.
       input-output section.
       file-control.
       select cust assign to 'cust.txt'
       organization is line sequential.

And add the following immediately after the line data division:

       file section.
       fd cust.
       01 cust-file.
          03 customer-id    pic 9(5).
          03 customer-info  pic x(65).

Add the following immediately after the line entry MFU-TC-SETUP-PREFIX & TEST-program-name.
```
       open output cust
```
This sets up the test, by opening the file, ready for any file operations performed in the test case itself.
Add the following immediately after the line entry MFU-TC-PREFIX & TEST-program-name.
```
       move 0 to customer-id
       perform 100 times
        add 1 to customer-id
        move "A customer" to customer-info
        write cust-file
       end-perform
```
The test case performs a simple write operation on the file. if this fails, the test case is marked as failed. This is also the section in which you would add your own test assertions; see Determining a test outcome for more information.
Edit the first statement of the MFU-TC-METADATA-SETUP-PREFIX & TEST-program-name entry point to read:
```
move "This is a simple test to write to a data file" to MFU-MD-TESTCASE-DESCRIPTION
```
Add the following immediately after the line entry MFU-TC-TEARDOWN-PREFIX & TEST-program-name:
```
       close cust
```
The teardown section tidies up the environment.

You should now build the project, then you can run it from the Micro Focus Unit Testing window.