87 lines
2.7 KiB
PHP
87 lines
2.7 KiB
PHP
<?php
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namespace WellRESTed\Test\Unit\Dispatching;
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use WellRESTed\Dispatching\Dispatcher;
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use WellRESTed\Dispatching\DispatchStack;
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use WellRESTed\Message\Response;
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use WellRESTed\Message\ServerRequest;
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use WellRESTed\Test\Doubles\NextMock;
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use WellRESTed\Test\TestCase;
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class DispatchStackTest extends TestCase
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{
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private $request;
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private $response;
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private $next;
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public function setUp(): void
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{
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parent::setUp();
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$this->request = new ServerRequest();
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$this->response = new Response();
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$this->next = new NextMock();
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}
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public function testDispatchesMiddlewareInOrderAdded()
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{
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// Each middleware will add its "name" to this array.
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$callOrder = [];
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$stack = new DispatchStack(new Dispatcher());
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$stack->add(function ($request, $response, $next) use (&$callOrder) {
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$callOrder[] = "first";
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return $next($request, $response);
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});
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$stack->add(function ($request, $response, $next) use (&$callOrder) {
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$callOrder[] = "second";
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return $next($request, $response);
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});
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$stack->add(function ($request, $response, $next) use (&$callOrder) {
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$callOrder[] = "third";
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return $next($request, $response);
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});
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$stack($this->request, $this->response, $this->next);
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$this->assertEquals(["first", "second", "third"], $callOrder);
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}
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public function testCallsNextAfterDispatchingEmptyStack()
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{
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$stack = new DispatchStack(new Dispatcher());
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$stack($this->request, $this->response, $this->next);
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$this->assertTrue($this->next->called);
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}
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public function testCallsNextAfterDispatchingStack()
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{
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$middleware = function ($request, $response, $next) use (&$callOrder) {
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return $next($request, $response);
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};
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$stack = new DispatchStack(new Dispatcher());
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$stack->add($middleware);
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$stack->add($middleware);
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$stack->add($middleware);
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$stack($this->request, $this->response, $this->next);
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$this->assertTrue($this->next->called);
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}
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public function testDoesNotCallNextWhenStackStopsEarly()
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{
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$middlewareGo = function ($request, $response, $next) use (&$callOrder) {
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return $next($request, $response);
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};
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$middlewareStop = function ($request, $response, $next) use (&$callOrder) {
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return $response;
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};
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$stack = new DispatchStack(new Dispatcher());
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$stack->add($middlewareGo);
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$stack->add($middlewareStop);
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$stack->add($middlewareStop);
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$stack($this->request, $this->response, $this->next);
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$this->assertFalse($this->next->called);
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}
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}
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