Latest #exunit Threads 
I wanted to write down some of the main guides I use when writing Elixir tests, so I have summarised them in blogpost.
Furthermore, I th...
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Hi !
We just stumbled upon this warning: “warning: the following files do not match any of the configured `:test_load_filters` / `:test_...
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I am working for ArangoDB, a multi-model database implemented in C++. We have a huge number of integration/system tests that are written ...
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Why 100% code coverage is a misleading metric and a false sense of security.
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Hey!
Just wanted to share my ExUnit NeoVim plugin: GitHub - aerosol/nvim-exunit: Opinionated ExUnit test runner for NeoVim · GitHub
The...
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I’ve published CaptureLogger 1.0, a very light modification to ExUnit.CaptureLogger (mostly to ExUnit.CaptureServer) that supports passin...
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Coworker and I are at an impasse and would appreciate the community’s vote to resolve it. :slight_smile:
poll
Elixir’s test-runner has a...
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I am trying to run a parameterize’d test with both a :group set and async: true.
The ExUnit docs state: “If both :async and :parameteriz...
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Use IEx before ExUnit, don’t test private functions, test what matters, test the contracts, avoid dogma
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Hi everyone!
I need make a controller tests to validate mandatory fields. In this case the tests is the same for all fieds and the valid...
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This Week's Trending
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Title says all!
Is it possible to manually mark tests as incomplete or skipped in ExUnit, in the middle of a test case?
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Testcontainers
Testcontainers is an Elixir library that supports ExUnit tests, providing lightweight, throwaway instances of common datab...
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Is anyone using any sort of tool to produce machine readable output from exunit when using GitHub actions?
In the past with CircleCI I’v...
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An ExUnit formatter to visualize test execution and find bottlenecks in your test suite.
I created a small library called ex_unit_spa...
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SeedFactory - a toolkit for test data generation
GitHub | docs | Hex.pm
The main idea of SeedFactory is to generate test data by calling...
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I wanted to write down some of the main guides I use when writing Elixir tests, so I have summarised them in blogpost.
Furthermore, I th...
New
I wonder if it’s possible to mimic a simple “class reopening”/inhertinace-based SEAM in Elixir to alter a module’s behaviour without edit...
New
Hey!
Just wanted to share my ExUnit NeoVim plugin: GitHub - aerosol/nvim-exunit: Opinionated ExUnit test runner for NeoVim · GitHub
The...
New
Use IEx before ExUnit, don’t test private functions, test what matters, test the contracts, avoid dogma
New
Coworker and I are at an impasse and would appreciate the community’s vote to resolve it. :slight_smile:
poll
Elixir’s test-runner has a...
New
I’ve published CaptureLogger 1.0, a very light modification to ExUnit.CaptureLogger (mostly to ExUnit.CaptureServer) that supports passin...
New
Hi !
We just stumbled upon this warning: “warning: the following files do not match any of the configured `:test_load_filters` / `:test_...
New
I am working for ArangoDB, a multi-model database implemented in C++. We have a huge number of integration/system tests that are written ...
New
Hi,
I would like to introduced allure_test_formatter, the Allure test report for ExUnit using ExUnit Test Formatter. The usage is simple...
New
Hello,
I was trying to figure out why my logger configuration is not used when running the tests with mix test --no-start and a manual a...
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Last Three Year's Trending
I’m writing some tests and I want to build a “common language” for writing test tags. I’m using this post to document my findings as I le...
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Hi,
I have one basic question.
Is there a way to get the list of failed tests at the end of mix test output? Do you have to come up wit...
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I have a question for people who have been using bypass for testing web requests. How do you handle asynchronous tests where the code mak...
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Hi everybody,
i have an issue with my test suite. When i run each test separatly, everything is ok but in the whole test suite i have so...
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Hi Forum,
Has anyone writing doctests found a way to update their examples that produce ArgumentErrors to capture the new multiline form...
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Hi friends,
I’m working on a contribution to Finch and am having a hell of a time debugging an unexpected process exit that’s causing a ...
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I need some help to understand writing test for async function
For example I have a function
def send_notification({:ok, nessage}, to, ...
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I recently encountered an issue where a partial or functional component was re-rendered multiple times, resulting in an inline function c...
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Let’s say I’m writing a (rather typical) application using Ecto, which heavily relies on a database.
Most features, let’s say, read from...
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I’m trying to build a protocol and a test suite to implement different adapters (impls of the protocol).
I tried to use a CaseTemplate, ...
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Our team is having some flaky unit tests that we’re really struggling to track down. Every once in a while a random unit test will time o...
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Hey guys,
I’m relatively new to Elixir world. Currently I’m working on a GraphQL API with Absinthe. All is going right, I have done some...
New
I’m using the following library: GitHub - elixir-wallaby/wallaby: Concurrent browser tests for your Elixir web apps. · GitHub
However, t...
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I’d like to get compiler warnings as errors in my tests, because in my experience, such warnings quite often uncover real bugs.
What I’v...
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Hi!
I have recently created, after having tried to get in touch with the creator of excontainers for quite some time, a new library call...
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Trending Over Three Years
I have an umbrella app.
Some of the apps inside depend on other apps in the umbrella, unsurprisingly.
I’m writing a test for one of the...
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ExUnit now has describe blocks which is a welcome addition coming from RSpec. In the docs, it states that nested hierarchies of describe ...
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In order to update a last_seen field when a User leaves their UserChannel, I am starting a GenServer, on join, that monitors the User’s U...
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Background
I have a test file with several describe blocks, each one with a custom setup block, like the following:
defmodule MyAppTest ...
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Say I have a controller like so.
def create_pass_reset(conn, %{"user" => %{"email" => email}}) do
case Accounts.reset_pass(e...
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Hello,
The module under test depends on three OTP process and thus they’re started in test setup callback:
setup do
accounts = Test...
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Is it any similar to mix test --failed?
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I’m having difficult figuring out how to stop supervisors running genservers during my tests and I haven’t found any helpful guides onlin...
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Background
I have some code that invokes a given function a certain number of times. I pass this function in the parameters so it is easy...
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So I have a module that has a private method.
defp encrypt_token(token) do
:crypto.hmac(:sha256, BeffectWeb.Endpoint.config(:secre...
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Here is the use case that I am trying to solve:
I have a standard test module which has a setup_all method and a describe block.
Now, I...
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Hi all
I have a Phoenix application that has it’s own Postgres database and also needs to communicate to a read only database on a diffe...
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I’ve been playing round with test fixtures using setup_all, and I’m considering opening a pull request which includes a few more concrete...
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It is a well-know topic within the Elixir community: “To mock or not to mock? :)”
Every alchemist probably has his / her own opinion con...
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Hey All,
I had a quick question regarding ExUnit - it appears to start your application by default which is a different behaviour to EUn...
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