In this chapter, we will discuss Behave Enumeration. We may require a user-defined data type having the following characteristics −
- A handful of words must be matched.
- Pre-defined values prior to the test execution.
For the above scenarios, enums
Feature File
Consider a feature file for the Feature titled payment process, as mentioned below −
Feature − Payment Process
Scenario − Response
When User asks "Is payment done?"
Then response is "No"
In the step implementation file, TypeBuilder.make_enum function evaluates a regular expression pattern for the provided enumeration of words or strings.
Also, we shall pass the parameter: user-defined enum datatype enclosed in “{}”.
Corresponding Step Implementation File
The step implementation file for the above Feature is as follows −
from behave import *
from behave import register_type
from parse_type import TypeBuilder
# -- ENUM: Yields True (for "yes"), False (for "no")
parse_response = TypeBuilder.make_enum({"yes": True, "no": False})
register_type(Response=parse_response)
@when('User asks "{q}"')
def step_question(context, q):
print("Question is: ")
print(q)
@then('response is "{a:Response}"')
def step_answer(context, a):
print("Answer is: ")
print(a)
Output
The output is below. Here, we have used the command behave –no-capture -f plain.
The output False comes from the Behave enumeration data type.
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