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enhance delegation example

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This commit is contained in:
Miroslav Trninic 2018-04-29 15:55:54 +02:00
parent 0ea1593c1d
commit b4599ec67c
3 changed files with 33 additions and 1 deletions
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7
More/Delegation/JuniorDeveloper.php
View File

@ -8,4 +8,11 @@ class JuniorDeveloper
{
return 'Some junior developer generated code...';
}
/**
* Junior is authorized to call method on TeamLead (real delegation)
*/
public function writeReallyBadCode(TeamLead $teamLead): string
{
return $teamLead->writeReallyBadCode();
}
}

12
More/Delegation/TeamLead.php
View File

@ -21,4 +21,16 @@ class TeamLead
{
return $this->junior->writeBadCode();
}
public function writeBadCode(): string
{
//note that we are passing $this from teamLead context
return $this->junior->writeReallyBadCode($this);
}
/**
* Junior can call this method
*/
public function writeReallyBadCode(): string
{
return 'Even team lead can write bad code...';
}
}

15
More/Delegation/Tests/DelegationTest.php
View File

@ -7,11 +7,24 @@ use PHPUnit\Framework\TestCase;
class DelegationTest extends TestCase
{
public function testHowTeamLeadWriteCode()
/**
* @test
*/
public function teamLeadCanBlameJuniorForBadCode()
{
$junior = new Delegation\JuniorDeveloper();
$teamLead = new Delegation\TeamLead($junior);
$this->assertEquals($junior->writeBadCode(), $teamLead->writeCode());
}
/**
* @test
*/
public function teamLeadCanWriteBadCode()
{
$junior = new Delegation\JuniorDeveloper();
$teamLead = new Delegation\TeamLead($junior);
$this->assertEquals($junior->writeReallyBadCode($teamLead), $teamLead->writeBadCode());
}
}