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Le logger est une dépendance qui peux être considérer comme optionnel.

Il est donc préférable de l'injecter par setter en utilisant le LoggerAwareInterface + LoggerAwareTrait

Il faut ensuite de systématiquement utiliser la syntaxe $this->logger?->...

ℹ️ l'autowire de symfony injecte le logger sur les classe qui implement LoggerAwareInterface https://github.com/symfony/symfony/blob/6.4/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php#L673-L674

Cette pratique permet d'alleger les définitions de service et aussi de simplifier les Tests

instabledesign

package main

import (
	"context"
	"fmt"
	"net"
	"net/http"
	"os"
	"os/signal"
	"time"

instabledesign

package signal

import (
	"os"
	"os/signal"
)

// This is a really small signal subscriber
// Signal subscriber that allows you to attach a callback to an `os.Signal` notification.
// Usefull to react to any os.Signal.

instabledesign

package signal_dispatcher

import (
	"os"
	"os/signal"
)

type SignalSubscriber interface {
	GetSubscribesSignals() *map[os.Signal]bool
	Notify(os.Signal)

instabledesign

Testing guidelines

• use mock, spy and stub on your dependancies
• count call expectation (and when it should not be called)
• (try) dont mock what you don't own
• use dataprovider
• test edge case (when function need integer test it with negative / positive / 0 and Infinity)
• test all exit cases (return, exception)
• you can use dummy object to test abstract code
• caution with date, filesystem, external ressources

instabledesign

#src/AppBundle/Doctrine/DBAL/DateTimeNotConvertable.php
<?php

namespace AppBundle\Doctrine\DBAL;

/**
 * Class DateTimeNotConvertable
 * This class was use to skip the automatic DBAL DateTimeUTC transformation
 * see AppBundle\Doctrine\DBAL\Types\UTCDateTimeType
 */

instabledesign

Adapter
Authenticator
Accessor
Builder
Checker
Consolidator
Controller
Container
Collector
Compiler

instabledesign

#src/AppBundle/Doctrine/ORM/Functions/Greatest.php
<?php

namespace AppBundle\Doctrine\ORM\Functions;

use Doctrine\ORM\Query\AST\Functions\FunctionNode;
use Doctrine\ORM\Query\AST\PathExpression;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;

instabledesign

<?php

/*
 * This file is part of the Twig Extension TruncateHtmlExtension.
 *
 * Author Leon Radley <[email protected]>
 * Rewrite by Instabledesign
 *
 *
 * Truncate Html string without stripping tags