Testing match passes

After you define one or more match passes, you test those passes to determine how effectively they meet your matching goals. Also, you determine if they need to be adjusted and retested.

1. Open the IBM® InfoSphere® DataStage® and QualityStage® Designer.
2. Open the match specification and select the match pass that you want to test.
3. Click the Test Pass arrow and select one of the following options. For the Unduplicate Independent match type, only the Test with sample input data set option is available.
   • Test with output of previous pass
   • Test with sample input data set
4. Click Test Pass. The test runs. When it completes, the Test Results pane is displayed.
5. Optional: To change the view of the Pass Definition tab, select from the following options:

   Tab area	Action
   Blocking Columns, Match Commands, and Cutoff Values panes	To minimize, click the triangle above the Blocking Columns pane. To restore to the original size, click the triangle next to Blocking Columns, Match Commands, Cutoffs at the bottom of the tab.
   Test Results pane	To minimize, click the triangle next to Test Results at the top left of the Test Results pane. To restore to the original size, click the triangle next to Data at the bottom of the tab. To resize to the left, drag the left border of the Test Results pane. To resize to the top, drag the border of the Match Pass pane.

6. To preserve the test data, click Save Pass.