How to Dynamically Read Request Files in Karate with Parameterized File Names?

Reading Request Files Dynamically in Karate: Parameterizing File Names in the Read Method

When automating API testing, it is often necessary to pass XML files to the read method to provide test data. However, what happens when you want to parameterize the file name in the read method?

In Karate, attempting to directly specify a variable as the argument to the read method, as in the following example, may result in an exception:

Given request read ( varXmlFile )

Where varXmlFile is a variable containing the file path.

Solution:

Karate allows for parameterization of the file name in the read method. To do so, either ensure that the corresponding variable is set before calling the read method or directly specify the file name:

1. Set the variable:

def varXmlFile = 'some-xml-file.xml'
Given request read(varXmlFile)

2. Directly specify the file name:

Given request read('some-xml-file.xml')

By using either of these approaches, you can dynamically adjust the file name to be used in the read method based on your testing requirements.

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