1. A device, comprising: one or more processors to: obtain text to be processed to extract one or more constraints corresponding to an object in the text, the one or more constraints defining values permitted to be associated with the object; extract the one or more constraints based on identifying one or more patterns in the text, the one or more patterns including a relational operator and a numeric value; generate, based on the one or more constraints, positive test data and negative test data for testing values for the object, the positive test data including a first value that satisfies each of the one or more constraints, the negative test data including a second value that violates at least one of the one or more constraints; and provide information that identifies the positive test data and the negative test data.