From 9566525e280fb3bfea9ec99def6c5b8775fd44a7 Mon Sep 17 00:00:00 2001
From: Fran Moreno <franmomu@gmail.com>
Date: Sat, 5 Mar 2022 18:42:11 +0100
Subject: [PATCH] Add tests to promises

---
 .../Promise/GeocoderFulfilledPromiseTest.php  | 63 ++++++++++++++++++
 .../Promise/GeocoderRejectedPromiseTest.php   | 64 +++++++++++++++++++
 2 files changed, 127 insertions(+)
 create mode 100644 src/Plugin/Tests/Promise/GeocoderFulfilledPromiseTest.php
 create mode 100644 src/Plugin/Tests/Promise/GeocoderRejectedPromiseTest.php

diff --git a/src/Plugin/Tests/Promise/GeocoderFulfilledPromiseTest.php b/src/Plugin/Tests/Promise/GeocoderFulfilledPromiseTest.php
new file mode 100644
index 000000000..0330cd664
--- /dev/null
+++ b/src/Plugin/Tests/Promise/GeocoderFulfilledPromiseTest.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Geocoder package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license    MIT License
+ */
+
+namespace Geocoder\Plugin\Tests\Promise;
+
+use Geocoder\Collection;
+use Geocoder\Exception\Exception;
+use Geocoder\Exception\LogicException;
+use Geocoder\Plugin\Promise\GeocoderFulfilledPromise;
+use Geocoder\Plugin\Promise\GeocoderRejectedPromise;
+use Http\Promise\Promise;
+use PHPUnit\Framework\TestCase;
+
+class GeocoderFulfilledPromiseTest extends TestCase
+{
+    public function testItReturnsAFulfilledPromise(): void
+    {
+        $collection = $this->createStub(Collection::class);
+        $promise = new GeocoderFulfilledPromise($collection);
+
+        $returnPromise = $promise->then(function (Collection $collection) {
+            return $collection;
+        });
+
+        $this->assertInstanceOf(GeocoderFulfilledPromise::class, $returnPromise);
+        $this->assertSame(Promise::FULFILLED, $returnPromise->getState());
+        $this->assertSame($collection, $returnPromise->wait());
+    }
+
+    public function testItReturnsARejectedPromise(): void
+    {
+        $collection = $this->createStub(Collection::class);
+        $promise = new GeocoderFulfilledPromise($collection);
+
+        $returnPromise = $promise->then(function () {
+            throw new LogicException();
+        });
+
+        $this->assertInstanceOf(GeocoderRejectedPromise::class, $returnPromise);
+        $this->assertSame(Promise::REJECTED, $returnPromise->getState());
+
+        $this->expectException(Exception::class);
+        $returnPromise->wait();
+    }
+
+    public function testItReturnsItselfWhenNoOnRejectedCallbackIsPassed(): void
+    {
+        $collection = $this->createStub(Collection::class);
+        $promise = new GeocoderFulfilledPromise($collection);
+
+        $returnPromise = $promise->then();
+        $this->assertSame($promise, $returnPromise);
+    }
+}
diff --git a/src/Plugin/Tests/Promise/GeocoderRejectedPromiseTest.php b/src/Plugin/Tests/Promise/GeocoderRejectedPromiseTest.php
new file mode 100644
index 000000000..5b1c5e9ab
--- /dev/null
+++ b/src/Plugin/Tests/Promise/GeocoderRejectedPromiseTest.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Geocoder package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license    MIT License
+ */
+
+namespace Geocoder\Plugin\Tests\Promise;
+
+use Geocoder\Collection;
+use Geocoder\Exception\Exception;
+use Geocoder\Exception\LogicException;
+use Geocoder\Plugin\Promise\GeocoderFulfilledPromise;
+use Geocoder\Plugin\Promise\GeocoderRejectedPromise;
+use Http\Promise\Promise;
+use PHPUnit\Framework\TestCase;
+
+class GeocoderRejectedPromiseTest extends TestCase
+{
+    public function testItReturnsAFulfilledPromise(): void
+    {
+        $exception = $this->createStub(Exception::class);
+        $promise = new GeocoderRejectedPromise($exception);
+        $collection = $this->createStub(Collection::class);
+
+        $returnPromise = $promise->then(null, function () use ($collection) {
+            return $collection;
+        });
+
+        $this->assertInstanceOf(GeocoderFulfilledPromise::class, $returnPromise);
+        $this->assertSame(Promise::FULFILLED, $returnPromise->getState());
+        $this->assertSame($collection, $returnPromise->wait());
+    }
+
+    public function testItReturnsARejectedPromise(): void
+    {
+        $collection = $this->createStub(Exception::class);
+        $promise = new GeocoderRejectedPromise($collection);
+
+        $returnPromise = $promise->then(null, function () {
+            throw new LogicException();
+        });
+
+        $this->assertInstanceOf(GeocoderRejectedPromise::class, $returnPromise);
+        $this->assertSame(Promise::REJECTED, $returnPromise->getState());
+
+        $this->expectException(Exception::class);
+        $returnPromise->wait();
+    }
+
+    public function testItReturnsItselfWhenNoOnRejectedCallbackIsPassed(): void
+    {
+        $collection = $this->createStub(Exception::class);
+        $promise = new GeocoderRejectedPromise($collection);
+
+        $returnPromise = $promise->then();
+        $this->assertSame($promise, $returnPromise);
+    }
+}