Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Concurrent Feature tests with Wallaby
Search
Chris Keathley
September 05, 2016
Programming
1.2k
2
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Concurrent Feature tests with Wallaby
Chris Keathley
September 05, 2016
More Decks by Chris Keathley
See All by Chris Keathley
Solid code isn't flexible
keathley
5
1.2k
Building Adaptive Systems
keathley
44
3.3k
Contracts for building reliable systems
keathley
6
1.1k
Kafka, the hard parts
keathley
3
2.1k
Building Resilient Elixir Systems
keathley
7
2.6k
Consistent, Distributed Elixir
keathley
6
1.7k
Telling stories with data visualization
keathley
1
750
Easing into continuous deployment
keathley
2
490
Leveling up your git skills
keathley
0
900
Other Decks in Programming
See All in Programming
クラウドエージェントは、 何がそんなに便利なのか / what makes cloud agents so useful
rkaga
2
450
R8 の設定見直しでアプリサイズ削減
andpad
0
230
Railsのためのパスキー実践入門 〜マルチテナントSaaSでの意思決定〜
utakaha
3
1.2k
Kotlinの15年とServer-Side Kotlin
n_takehata
1
160
AmebaブログはKMPから卒業します
kmars0605
0
230
作れる、でも消せるか?──安全に「枯らして消す」機能削除術 / Drain, Then Delete
chobishiba
2
950
Web Framework Benchmark Battle 2026, Any%
a_matsuda
3
2.9k
Next.js: The final boss of Web Performance
guaca
0
330
Lambda durable functionsでHuman in the Loopを楽に…楽に……
har1101
1
200
Coding with AI: How to trust the storyteller (AWS Community Day Adria, Ljubljana 2026)
slobodan
0
120
月間100万人のサービス刷新で、 技術選定をHonoに振り切った話
yutobara
8
6.9k
Apple Intelligenceとオンデバイス時代の到来
yahir0
0
120
Featured
See All Featured
エンジニアに許された特別な時間の終わり
watany
109
250k
Fantastic passwords and where to find them - at NoRuKo
philnash
53
4k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
8.1k
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
460
Designing for humans not robots
tammielis
254
26k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
mfonobong
2
600
Heart Work Chapter 1 - Part 1
lfama
PRO
10
37k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
3.1k
Code Review Best Practice
trishagee
74
20k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
Game over? The fight for quality and originality in the time of robots
wayneb77
1
310
My Coaching Mixtape
mlcsv
0
360
Transcript
Concurrent Feature Tests with Wallaby Chris Keathley / @ChrisKeathley /
[email protected]
Feature tests: Driving tests from the UI
Name email Password Sign Up
Name email Password Sign Up Fill in
Name email Password Sign Up Fill in Click
Thanks for signing up! Did this show up?
Feature Tests
Feature Tests Represent real users
Feature Tests Represent real users Provide Confidence in the System
Feature Tests Represent real users Provide Confidence in the System
Dark Side
Feature Tests Represent real users Provide Confidence in the System
Feature Tests Represent real users Provide Confidence in the System
(Sometimes)
Feature Tests Represent real users Provide Confidence in the System
(Sometimes) (When they aren’t randomly failing)
Happens
Feature Tests ARE Slow
Wallaby
Wallaby Manages multiple browsers Concurrent Assumes async Interfaces
Wallaby TL;DR
Name email Password Sign Up
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
Wallaby Phoenix EcTo Test Sessions
Wallaby Phoenix EcTo Test Sessions Browser
Wallaby Phoenix EcTo Test Sessions Browser Browser
Wallaby Phoenix EcTo Test Sessions Browser
setup tags do {:ok, session} = Wallaby.start_session([]) on_exit, fn ->
Wallaby.end_session(session) end {:ok, session: session} end
Browser Browser Phoenix Ecto
Browser Browser Phoenix Ecto
Browser Browser Phoenix Ecto
Browser Phoenix Ecto
Browser Phoenix Ecto Ownership Metadata
Browser Phoenix Ecto Ownership Metadata Transaction Ownership
setup tags do {:ok, session} = Wallaby.start_session([]) on_exit, fn ->
Wallaby.end_session(session) end {:ok, session: session} end
setup tags do :ok = Ecto.Adapters.SQL.Sandbox.checkout(YourApp.Repo) metadata = Phoenix.Ecto.SQL.Sandbox.metadata_for( YourApp.Repo,
self()) {:ok, session} = Wallaby.start_session(metadata: metadata) on_exit, fn -> Wallaby.end_session(session) end {:ok, session: session} end
setup tags do :ok = Ecto.Adapters.SQL.Sandbox.checkout(YourApp.Repo) metadata = Phoenix.Ecto.SQL.Sandbox.metadata_for( YourApp.Repo,
self()) {:ok, session} = Wallaby.start_session(metadata: metadata) on_exit, fn -> Wallaby.end_session(session) end {:ok, session: session} end
setup tags do :ok = Ecto.Adapters.SQL.Sandbox.checkout(YourApp.Repo) metadata = Phoenix.Ecto.SQL.Sandbox.metadata_for( YourApp.Repo,
self()) {:ok, session} = Wallaby.start_session(metadata: metadata) on_exit, fn -> Wallaby.end_session(session) end {:ok, session: session} end
setup tags do :ok = Ecto.Adapters.SQL.Sandbox.checkout(YourApp.Repo) metadata = Phoenix.Ecto.SQL.Sandbox.metadata_for( YourApp.Repo,
self()) {:ok, session} = Wallaby.start_session(metadata: metadata) on_exit, fn -> Wallaby.end_session(session) end {:ok, session: session} end
defmodule YourApp.Endpoint do use Phoenix.Endpoint, otp_app: :your_app if Application.get_env(:your_app, :sql_sandbox)
do plug Phoenix.Ecto.SQL.Sandbox end plug YourApp.Router end
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
Thanks for signing up!
Thanks for signing up! <div class="alert"> <span class=“msg"> Thanks for
signing up! </span> </div>
Thanks for signing up! <div class="alert"> <span class=“msg"> Thanks for
signing up! </span> </div> session |> find(“.alert")
Thanks for signing up! <div class="alert"> <span class=“msg"> Thanks for
signing up! </span> </div> session |> find(“.alert")
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session |> find(".user")
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session |> find(".user") Ambiguous
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session |> find(".user", count: 2)
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session |> find(".user", count: 2) |> Enum.map(& find(&1, ".name") )
<div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span
class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div> HTML Test - User Names session |> find(".user", count: 2) |> Enum.map(& find(&1, ".name") ) |> Enum.map(& text(&1) ) # => ["Grace Hopper", "Alan Turing"]
session HTML Test - Grace’s Email <div class="users"> <div class="user">
<span class=“name"> Grace Hopper </span> <span class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div>
session |> find(".user", text: "Grace Hopper") HTML Test - Grace’s
Email <div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div>
session |> find(".user", text: "Grace Hopper") |> find(".email") HTML Test
- Grace’s Email <div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div>
session |> find(".user", text: "Grace Hopper") |> find(".email") |> text
# => "
[email protected]
" HTML Test - Grace’s Email <div class="users"> <div class="user"> <span class=“name"> Grace Hopper </span> <span class=“email">
[email protected]
</span> </div> <div class="user"> <span class=“name"> Alan Turing </span> <span class=“email">
[email protected]
</span> </div> </div>
find(".user") ? Browser
find(".user") JS Browser
find(".user") JS Browser
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
defmodule YourApp.UserRegistrationTest do use YourApp.AcceptanceCase, async: true test "users can
register", %{session: session} do session |> visit("/users/new") |> find(".registration_form") |> fill_in("Full Name", with: "Grace Hopper") |> fill_in("Email", with: "
[email protected]
") |> fill_in("Password", with: "password") |> click("Register") msg_text = session |> find(".flash-message") |> text assert msg_text == "Welcome Grace Hopper" end end Sessions Queries actions
Name Sign Up
<form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button type=“submit">
Register </button> </form> HTML
HTML <form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button
type=“submit"> Register </button> </form>
<form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button type=“submit">
Register </button> </form> HTML Test session
<form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button type=“submit">
Register </button> </form> HTML Test session |> fill_in("Name", with: "Grace Hopper")
<form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button type=“submit">
Register </button> </form> HTML Test session |> fill_in("Name", with: "Grace Hopper") |> click_on("Register")
HTML Test session |> fill_in(“user_name", with: "Grace Hopper") |> click_on("Register")
<form> <label for=“user_name"> Name </label> <input type="text" name=“user_name"> <button type=“submit"> Register </button> </form>
HTML Test session |> fill_in(“user_name", with: "Grace Hopper") |> click_on("Register")
<form> <label for="user_name"> Name </label> <input type="text" name=“user_name"> <label> <input type="checkbox" value="true" name="save_login"> Save login </label> <button type="submit"> Register </button> </form>
HTML Test session |> fill_in(“user_name", with: "Grace Hopper”) |> check("Save
login") |> click_on("Register") <form> <label for="user_name"> Name </label> <input type="text" name=“user_name"> <label> <input type="checkbox" value="true" name="save_login"> Save login </label> <button type="submit"> Register </button> </form>
fill_in(session, "First Name", with: "Chris") choose(session, "Radio Button 1") check(session,
"Checkbox") uncheck(session, "Checkbox") select(session, "My Awesome Select", option: "Option 1") click_on(session, "Some Button") attach_file(session, "File", path: "path/to/file") Other Actions
Wallaby Sessions Queries Interactions
Still More work to do!
https://github.com/keathley/wallaby https://speakerdeck.com/keathley Getting Started
None
None
Lets Build awesome stuff Together!
THANKS Chris Keathley / @ChrisKeathley /
[email protected]