mocking APIs with Guzzle

When working with APIs you sometimes cant use the live API in the tests.
Because you dont own the API, dont want to spam, cant create entities for testing or various other reasons.

Then you need to mock the API and deliever responses from fixtures.
Though there is this term of “Don’t mock what you don’t own” we will mock the API because we dont own it. :)

https://github.com/julienfalque/http-mock is a nice library which helps a lot when mocking an API.
And when your client is using Guzzle there is also a Guzzle handler for HttpMock that makes integration easy.

How does this work?
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Not allowed to connect to Mysql error in docker

From time to time i receive this error while running the official mysql image in docker:

An exception occured in driver: SQLSTATE[HY000] [1130] Host ‘172.17.0.5’ is
not allowed to connect to this MySQL server

The reason for this is not quite clear yet but i usually resolve it like described here.
Note that all data stored in the project will be lost!
So this error is quite annyoing but luckily i work on fixtures so i can restore data easily.
These steps let me connect to the mysql container again, at least.

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Symfony Cache Component with SncRedisBundle

Since version 3.1 there is a Cache component with a PSR-6 implementation integrated in Symfony.
So we do not need to add a 3rd party lib as Doctrine Cache anymore when we need caching these days.

Doctrine Cache does the job but by implementing a standard the Symfony Cache seems to have another advantage besides its delievered anyway. So i checked it out.

Documentation is still a bit sparse and the best resource so far is this blogpost:
https://symfony.com/blog/new-in-symfony-3-1-cache-component

I wont go into detail on how you use the Cache but rather how you integrate it with Redis, which is my favourite Cache backend.
Continue reading “Symfony Cache Component with SncRedisBundle”

SilverStripe with php built-in server

Sometimes you just want to check a SilverStripe version, module or theme fast and dont want to setup the whole stack.
Then simply use PHPs built-in webserver to serve your SilverStripe site.

php -S localhost:8000 ./framework/main.php

Now you can call http://localhost:8000 to check your SilverStripe website.

Or, a bit more verbose, use https://github.com/assertchris/silverstripe-serve
which is a nice wrapper around this.
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Twig Extension for Money value object

I just released a twig extension for https://github.com/sebastianbergmann/money

The money libary contains a money represention based on the currency’s smallest unit to provide a more accurate handling. See the libary’s readme for more information.

Although the v1.x version of Money brings a Formatter the Twig extension uses its own, which is better suited and more flexible.

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Superleansilexplate Update v3

Some news from the Superleansilexplate:

  • v3 now uses symfony3 components
    Silex 1.3 supports symfony3 so lets use it :)
    Note: as symfony3 doesnt support php5.4 anymore, we dont either!
  • new ConsoleServiceProvider
    the one from knplabs that was used before seems to be unmaintained and wasnt matching the dependencies anymore.
    So i decided to take it over and renew it a bit. Check it out!
  • Docker support
    I started to use Docker as dev enviroment for my projects, so i added dev & prod Docker support.
    For the sake of simplicity it uses a single container with Apache and PHP7.
    If you have Docker and docker-compose on your machine just spin it up with docker-compose up and check on localhost:8088.

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PHP package generators

For creating PHP packages several best practices has been established, like composer support (ofc) and putting the package on packagist, travis integration, directory organisation, tests, documentation and so on.
For further information i recommend these slides https://laravel-news.com/2015/08/hannes-van-de-vreken-package-development-slides/ which describe the situation very well.

And as we are all lazy, we like generators that scaffold a basic php package layout and luckily there are several out there.
They all differ a bit, so pick your favorite.
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Using forks with composer – late night edition

Using your forks of certain packages with composer is actually pretty easy:
Add the repo of the fork to the repositories block of your composer.json, you might need to change the version to f.e dev-master and thats it. Great. Actually.

"repositories": [
{
"type": "vcs",
"url": "https://github.com/ivoba/SomeBundle.log"
}
]

But there are some traps, especially when you are mentally already weekend bound:

When working in a team, take care that you dont add your fork as a private repo.
This happens when you use the @ notation like ‘git@github.com‘. Its tempting because it will be the clone url on github when you are logged in, which is very likely.
If you do so your team mates will get errors like this:

Failed to execute git clone --no-checkout 'git@github.com:ivoba/SomeBundle.git' [...] && git remote add composer 'git@github.com:ivoba/SomeBundle.git' && git fetch composer

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Symfony and named ParamConverters

Symfony’s ParamConverter is a common way to transform some GET param to an entity before your controllers action.
This happens most of the time via type hinting and priority detection kinda magic in the background.
But as magic is often obscure sometimes you need a bit of explicitness.

F.e. when you have more and different ParamConverter per entity you want to name them explicitly.
Then you can use named ParamConverters.

In the documentation this issue is a bit fragmented, so here is the compact version:
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