Set environment variables on sub-process (#49)

* test: fix changed process execution

* test: upgrade phpunit

* test: implement mess detector and code sniffer

* ci: upgrade ci workflows

* ci: use pcntl

* ci: php 8.1 compatibility

* feature: set environment variables
closes #239

* test: assert multiple environment variables can be set

src/Process.php

@@ -16,6 +16,8 @@ class Process {
  /** @var array<string, mixed> */
  protected array $status;
  protected bool $isBlocking = false;
+ /** @var array<string, string> */
+ protected array $env = [];
 
  public function __construct(string...$command) {
  $this->command = $command;
@@ -31,6 +33,10 @@ public function setExecCwd(string $cwd):void {
  $this->cwd = $cwd;
  }
 
+ public function setEnv(string $key, string $value):void {
+ $this->env[$key] = $value;
+ }
+
  /**
  * Runs the command in a concurrent thread.
  * Sets the input, output and errors streams.
@@ -54,7 +60,7 @@ public function exec():void {
  $this->command,
  $descriptor,
  $this->pipes,
-// env_vars: $this->env,
+ env_vars: $this->env,
  );
  if(!$this->process) {
  throw new CommandNotFoundException($this->command[0]);

test/phpunit/ProcessTest.php

@@ -163,4 +163,22 @@ public function testExecBlocking() {
  $sut->exec();
  self::assertFalse($sut->isRunning());
  }
-}
+
+ public function testSetEnv() {
+ $sut = new Process("printenv");
+ $sut->setEnv("NAME", "PHPUnit");
+ $sut->exec();
+ $output = $sut->getOutput();
+ self::assertStringContainsString("NAME=PHPUnit\n", $output);
+ }
+
+ public function testSetEnv_multiple() {
+ $sut = new Process("printenv");
+ $sut->setEnv("NAME", "PHPUnit");
+ $sut->setEnv("TEST", "setEnv");
+ $sut->exec();
+ $output = $sut->getOutput();
+ self::assertStringContainsString("TEST=setEnv\n", $output);
+ self::assertStringContainsString("NAME=PHPUnit\n", $output);
+ }
+}