Merge pull request #291 from prooph/projection_not_found_exception

add projection not found exception

src/Exception/ProjectionNotFound.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * This file is part of the prooph/event-store.
+ * (c) 2014-2017 prooph software GmbH <[email protected]>
+ * (c) 2015-2017 Sascha-Oliver Prolic <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Prooph\EventStore\Exception;
+
+class ProjectionNotFound extends RuntimeException
+{
+    public static function withName(string $name): ProjectionNotFound
+    {
+        return new self('A projection with name "' . $name . '" could not be found.');
+    }
+}

src/Projection/InMemoryProjectionManager.php

@@ -165,7 +165,7 @@ public function fetchProjectionNamesRegex(string $regex, int $limit = 20, int $o
     public function fetchProjectionStatus(string $name): ProjectionStatus
     {
         if (! isset($this->projectors[$name])) {
-            throw new Exception\RuntimeException('A projection with name "' . $name . '" could not be found.');
+            throw Exception\ProjectionNotFound::withName($name);
         }
 
         $projector = $this->projectors[$name];
@@ -179,7 +179,7 @@ public function fetchProjectionStatus(string $name): ProjectionStatus
     public function fetchProjectionStreamPositions(string $name): array
     {
         if (! isset($this->projectors[$name])) {
-            throw new Exception\RuntimeException('A projection with name "' . $name . '" could not be found.');
+            throw Exception\ProjectionNotFound::withName($name);
         }
 
         $projector = $this->projectors[$name];
@@ -194,7 +194,7 @@ public function fetchProjectionStreamPositions(string $name): array
     public function fetchProjectionState(string $name): array
     {
         if (! isset($this->projectors[$name])) {
-            throw new Exception\RuntimeException('A projection with name "' . $name . '" could not be found.');
+            throw Exception\ProjectionNotFound::withName($name);
         }
 
         return $this->projectors[$name]->getState();

tests/Projection/AbstractProjectionManagerTest.php

@@ -15,7 +15,7 @@
 use PHPUnit\Framework\TestCase;
 use Prooph\EventStore\Exception\InvalidArgumentException;
 use Prooph\EventStore\Exception\OutOfRangeException;
-use Prooph\EventStore\Exception\RuntimeException;
+use Prooph\EventStore\Exception\ProjectionNotFound;
 use Prooph\EventStore\Projection\ProjectionManager;
 use Prooph\EventStore\Projection\ProjectionStatus;
 
@@ -247,7 +247,7 @@ public function it_throws_exception_when_fetching_projection_names_using_invalid
      */
     public function it_throws_exception_when_asked_for_unknown_projection_status(): void
     {
-        $this->expectException(RuntimeException::class);
+        $this->expectException(ProjectionNotFound::class);
 
         $this->projectionManager->fetchProjectionStatus('unkown');
     }
@@ -257,7 +257,7 @@ public function it_throws_exception_when_asked_for_unknown_projection_status():
      */
     public function it_throws_exception_when_asked_for_unknown_projection_stream_positions(): void
     {
-        $this->expectException(RuntimeException::class);
+        $this->expectException(ProjectionNotFound::class);
 
         $this->projectionManager->fetchProjectionStreamPositions('unkown');
     }
@@ -267,7 +267,7 @@ public function it_throws_exception_when_asked_for_unknown_projection_stream_pos
      */
     public function it_throws_exception_when_asked_for_unknown_projection_state(): void
     {
-        $this->expectException(RuntimeException::class);
+        $this->expectException(ProjectionNotFound::class);
 
         $this->projectionManager->fetchProjectionState('unkown');
     }