Data-Driven Testing

Use DataSource, DataLoop, and DataSink steps to run tests with multiple data sets.

DataSource step setup

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In a test case, right-click → Add Step → DataSource

Type: Excel (xlsx / xls)
File: test-data/users.xlsx
Worksheet: Sheet1
Columns: username, password, expectedRole

Or type: CSV
File: test-data/users.csv

DataLoop step

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Right-click → Add Step → DataLoop
Start step: DataSource (your data source step)
End step: (last step before loop back)

This loops the steps between DataSource and DataLoop
for each row in the data file.

Use data in requests

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In your request body use property expansion:
{
  "username": "${DataSource#username}",
  "password": "${DataSource#password}"
}

In assertions use:
JSONPath: $.role
Expected: ${DataSource#expectedRole}

Assertions Groovy Scripting