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Phoenix Web Development

You're reading from   Phoenix Web Development Create rich web applications using functional programming techniques with Phoenix and Elixir

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781787284197
Length 406 pages
Edition 1st Edition
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Author (1):
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Brandon Richey Brandon Richey
Author Profile Icon Brandon Richey
Brandon Richey
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Table of Contents (14) Chapters Close

Preface 1. A Brief Introduction to Elixir and Phoenix 2. Building Controllers, Views, and Templates FREE CHAPTER 3. Storing and Retrieving Vote Data with Ecto Pages 4. Introducing User Accounts and Sessions 5. Validations, Errors, and Tying Loose Ends 6. Live Voting with Phoenix 7. Improving Our Application and Adding Features 8. Adding Chat to Your Phoenix Application 9. Using Presence and ETS in Phoenix 10. Working with Elixir's Concurrency Model 11. Implementing OAuth in Our Application 12. Building an API and Deploying 13. Other Books You May Enjoy

Writing our unit tests

If we really want to be able to mark this code as complete, we need to start testing our code, to get a better picture of if it is working as expected and performing all of the necessary functions we need. We'll create a couple of new folders and a new file, test/vocial/votes/votes_test.ex, which will be in charge of testing our Context code.

Like most Phoenix code that we write, we'll start off by defining a test module. We'll also need some helper macros defined in our app's DataCase module and a few alias statements to make our lives easier. So we'll start out with:

defmodule Vocial.VotesTest do
use Vocial.DataCase

alias Vocial.Votes
end

This will be the beginning of our test code. Next we're going to write some code to tackle our simplest test cases, and we'll start by tackling the case for Polls. We'll use ExUnit...

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