Daniel Irvine 🏳️‍🌈

I’m the author of Mastering React Test-Driven Development, available now from Packt. I run the Queer Code London meetup.

London, UK Joined on Feb 18, 2017 https://danielirvine.com

Work

Software consultant at Concisely Crafted

Daniel Irvine 🏳️‍🌈

Sep 7 '20

Staying out of trouble

#javascript #react #testing

3 min read

Setting up a Svelte test environment

I wonder if package updates have broken something. I’ll find ...

Nov 11 '20

When does TDD make sense?

It’s a good point. Not using TDD risks slowing you down, espe...

Jun 30 '20

When does TDD make sense?

Also a very important point.

Jun 30 '20

When does TDD make sense?

Thanks for bringing this up. This is probably worthy of a blo...

Jun 30 '20

React developers: TDD is not dogma

You can always check out my own book for learning React TDD (...

Jun 29 '20

React developers: TDD is not dogma

Kent Beck’s books are a great starting point. What language(s...

Jun 27 '20

React developers: TDD is not dogma

Great point. I don’t know anything about embedded apps but I’...

Jun 27 '20

React developers: TDD is not dogma

Thanks for taking the time to comment. You are correct on th...

Jun 27 '20

View all 60 comments

Daniel Irvine 🏳️‍🌈

Sep 7 '20

Testing multiple instances of the same mocked component

#javascript #react #testing

3 min read

Daniel Irvine 🏳️‍🌈

Sep 7 '20

Verifying children passed to React mock components

#javascript #react #testing

3 min read

Daniel Irvine 🏳️‍🌈

Sep 7 '20

The basic form for React component mocks

#javascript #react #testing

13 3

6 min read

Daniel Irvine 🏳️‍🌈

Sep 7 '20

Mocks aren’t evil! Better mocking with React Testing Library

#javascript #react #testing

4 min read

Daniel Irvine 🏳️‍🌈

Jun 30 '20

Online me vs offline me

#career #mentalhealth #life

1 min read

Daniel Irvine 🏳️‍🌈

Jun 29 '20

When does TDD make sense?

#testing #react #javascript

79 12

4 min read

Daniel Irvine 🏳️‍🌈

Jun 26 '20

React developers: TDD is not dogma

#javascript #testing #react

34 9

3 min read

Daniel Irvine 🏳️‍🌈

Mar 5 '20

Here’s how to test arrays

#ruby #testing #tdd

3 min read

Daniel Irvine 🏳️‍🌈

Mar 3 '20

Yet another reason to prefer unit tests 😇

#testing #javascript #react #tdd

82 8

2 min read

Daniel Irvine 🏳️‍🌈

Feb 29 '20

Here’s how to test dependencies with mocks

#ruby #testing #tdd

8 2

4 min read

Daniel Irvine 🏳️‍🌈

Feb 28 '20

Testing Svelte async state changes

#javascript #svelte #testing #tdd

3 min read

Daniel Irvine 🏳️‍🌈

Feb 16 '20

Are you any good at TDD?

#testing #tdd

18 10

2 min read

Daniel Irvine 🏳️‍🌈

Feb 11 '20

Achieving 100% code coverage will make you a better developer. Seriously.

#javascript #webdev #testing #tdd

63 25

3 min read

Daniel Irvine 🏳️‍🌈

Feb 10 '20

Do you aim for 80% code coverage? Let me guess which 80% you choose...

#javascript #webdev #testing #tdd

79 29

3 min read

Daniel Irvine 🏳️‍🌈

Feb 6 '20

Whatever happened to the test pyramid?

#javascript #webdev #testing #tdd

15 11

3 min read

Daniel Irvine 🏳️‍🌈

Jan 29 '20

Do devs really need to test?

#testing #career #productivity #motivation

40 16

4 min read

Daniel Irvine 🏳️‍🌈

Jan 24 '20

How to convince devs to do more testing

#career #productivity #testing #motivation

48 16

3 min read

Daniel Irvine 🏳️‍🌈

Jan 23 '20

Beyond TDD: breaking the rules

#career #productivity #testing #tdd

64 1

4 min read

Daniel Irvine 🏳️‍🌈

Jan 22 '20

Get your words right!

#career #javascript

3 min read

Daniel Irvine 🏳️‍🌈

Jan 20 '20

Become a mature developer, not a senior developer

#career #webdev #beginners

230 12

2 min read

Daniel Irvine 🏳️‍🌈

Jan 19 '20

Clean code, dirty code, human code

#webdev #beginners #javascript #career

474 49

4 min read

Daniel Irvine 🏳️‍🌈

Jan 17 '20

Tips for writing great Svelte tests

#javascript #svelte #tutorial #testing

14 12

5 min read

Daniel Irvine 🏳️‍🌈

Jan 16 '20

Testing Svelte context with component hierarchies

#javascript #webdev #tutorial #testing

15 1

4 min read

Daniel Irvine 🏳️‍🌈

Jan 14 '20

Mocking Svelte components

#javascript #svelte #tutorial #testing

8 min read

Daniel Irvine 🏳️‍🌈

Jan 12 '20

Testing Svelte stores and mocking dependencies

#svelte #testing #tdd #series

23 14

6 min read

Daniel Irvine 🏳️‍🌈

Jan 12 '20

Testing the onMount callback

#svelte #testing #tdd #series

3 min read

Daniel Irvine 🏳️‍🌈

Jan 12 '20

Mounting components and asserting on the DOM

#svelte #testing #tdd #series

14 1

6 min read

Daniel Irvine 🏳️‍🌈

Jan 12 '20

Setting up a Svelte test environment

#svelte #testing #tdd #series

38 9

9 min read

Daniel Irvine 🏳️‍🌈

Jan 12 '20

Writing unit tests for Svelte (Introduction)

#svelte #javascript #tutorial #testing

3 min read

Daniel Irvine 🏳️‍🌈

Sep 15 '19

A generalist is born when a specialist becomes bored

#career #javascript #beginners #webdev

195 25

6 min read

Daniel Irvine 🏳️‍🌈

Aug 31 '19

Revisiting your code: a simple technique for writing better software

#career #beginners #tips #refactoring

38 4

6 min read

Daniel Irvine 🏳️‍🌈

Oct 1 '17

4 tips for mentoring developers

#leadership #career #management #learning

26 5

3 min read

Daniel Irvine 🏳️‍🌈

Sep 18 '17

How to mentor developers

#leadership #career #management #learning

52 5

5 min read

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Recent comments

Setting up a Svelte test environment

When does TDD make sense?

When does TDD make sense?

When does TDD make sense?

React developers: TDD is not dogma

React developers: TDD is not dogma

React developers: TDD is not dogma

React developers: TDD is not dogma