Workshop: An Introduction to API Automation with Javascript

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Next Level
API Automation
Workshop
@ailuj876

Julia Pottinger
Head of Training and Development
youtube.com/juliapottinger
ailuj876
juliapottinger.com
TestAutomationU
li...

What is an API?
API is the acronym for Application
Programming Interface, which is a
software intermediary that allows
two...

AUTOMATION Benefits
Greater test stability Language independence
Faster test results Reduced costs
Improved Test Coverage ...

API TESTING Tools
@ailuj876

HTTP
API Requests
GET Retrieves resources
POST
PUT
DELETE
Creates resources
Changes and/or replaces resources or collectio...

API Responses
100 - 199 Information Response
200-299 Sucessful Responses
300-399 Redirection Messages
400-499 Client Error...

API Responses
200 OK - The request has succeeded.
201 Created - The request has been fulfilled.
400 Bad Request - The requ...

API Testing
Checklist
@ailuj876

@ailuj876

Prioritize APIs
Ensure APIs are properly documented
Define the types of tests that you want
to run
Evaluate and select an ...

@ailuj876
Positive scenarios return a valid response
Invalid requests return the correct error message
Schema match
Workfl...

What we will be
automating today
@ailuj876

Restful booker API documentation
https://restful-booker.herokuapp.com/apidoc/index.html
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Create booking
Update bo...

Import the postman collection
https://www.getpostman.com/collections/1d13a7a0eb5056cd6e04
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Install
Dependencies
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Need NodeJS and NPM
Check your node version
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Or install node from https://nodejs.org/en/
I'll be using Visual Stu...

Create project folder
mkdir next-level-api-automation
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open the folder in your preferred code
editor
cd to folder...

Pactum is needed to execute the API tests
Mocha will be the test runner
npm install pactum --save
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Install Depend...

Things to note with Pactum
spec keyword is used to make a request
You then chain the request type - PUT, GET, POST
pass in...

Repository
https://github.com/jpott77/api-
automation-supertest
@ailuj876
https://github.com/jpott77/api-
automation-pactum

Creating
your first test
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Positive Scenarios
Return Valid
Response @ailuj876

@ailuj876

Pactum
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@ailuj876
@ailuj876
supertest

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Follow Along to
create first test

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Activity

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Activity - 20 mins
Using the Postman request, write
code to UPDATE the booking,
note you need Authorization
code @ailuj876

@ailuj876

Invalid requests
returns correct error
message
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What happens if we
miss a required
parameter from our
POST request body?
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@ailuj876
First name is missing

Security and Authorization
Fails
securely
responds securely to
possible security
attacks
refuse calls to
endpoints if user...

Invalid token
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5 mins break
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API Response matches
the expected schema
@ailuj876

A schema is an outline, diagram, or model. In
computing, schemas are often used to describe
the structure of different typ...

Automated testing.
Ensuring quality of client submitted data
JSON Schema is a vocabulary that allows you
to annotate and v...

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@ailuj876

Schema has the properties
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@ailuj876

@ailuj876

Activity - 10 mins
Update your Create Booking test
to be verified with a schema
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Handles workflows and
data persists
throughout as expected
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Create
Booking
and store
Booking ID
Use ID to
Get
booking
and
validate
details
Delete
Booking
using
booking ID
Verify
Flow...

@ailuj876

@ailuj876

@ailuj876

Scenarios also
apply to GraphQL
API's
Examples @ailuj876

@ailuj876
https://api.spacex.land/graphql/

@ailuj876

@ailuj876

@ailuj876

WEBSITES
FOR Practise
@ailuj876

youtube.com/juliapottinger
ailuj876
juliapottinger.com
TestAutomationU
linkedin.com/in/julia-pottinger/
Thank You
Stay Con...

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