<?php
namespace igorw;
class ComposeTest extends \PHPUnit_Framework_TestCase {
/**
* @expectedException InvalidArgumentException
*/
function testComposeWithoutArgs() {
compose();
}
function testComposeWithSingleFunc() {
$id = function ($x) { return $x; };
$composed = compose($id);
$this->assertNull($composed(null));
$this->assertTrue($composed(true));
$this->assertFalse($composed(false));
$this->assertSame('foo', $composed('foo'));
}
function testComposeWithMultipleFuncs() {
$composed = compose(
function ($x) { return "baz($x)"; },
function ($x) { return "bar($x)"; },
function ($x) { return "foo($x)"; }
);
$this->assertSame('baz(bar(foo(x)))', $composed('x'));
}Compose is Docker's service orchestration tool, mainly used to build complex applications based on Docker. Compose manages multiple Docker containers through a configuration file, which is very suitable for scenarios where multiple containers are combined for development.
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