Refactor Decoder and Renderer tests

stil · Oct 14, 2016 · 33498f8 · 33498f8
1 parent 1ff9d34
commit 33498f8
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Showing 6 changed files with 1,859 additions and 47 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,4 @@
-tests/output/*
+tests/Resources/output
 tests/gifs/*.gif
 
 # Created by .ignore support plugin (hsz.mobi)

diff --git a/tests/DecoderTest.php b/tests/DecoderTest.php
@@ -2,47 +2,43 @@
 namespace GIFEndec\Tests;
 
 use GIFEndec\Decoder;
-use GIFEndec\MemoryStream;
-use GIFEndec\Frame;
+use GIFEndec\Events\FrameDecodedEvent;
+use GIFEndec\IO\FileStream;
+use GIFEndec\Tests\Resources\Sample;
+use GIFEndec\Tests\Resources\SampleCollection;
 
 class DecoderTest extends TestCase
 {
     public function testDecode()
     {
-        for ($i = 1; $i <= 6; $i++) {
-            $this->decode("test$i");
+        $samples = new SampleCollection();
+        foreach ($samples->read() as $sample) {
+            $this->decode($sample);
         }
     }
 
-    protected function decode($name)
+    protected function decode(Sample $sample)
     {
-        $action = "split";
-        $animation = __DIR__."/gifs/$name.gif";
-        $checksumPath = __DIR__."/gifs/$name.$action.json";
-        $dir = __DIR__."/output/$action/$name";
-
         $frameCount = 0;
         $checksums = [];
-        $hasChecksums = $this->loadChecksums($checksumPath, $checksums);
-        $this->createDirOrClear($dir);
 
+        $dir = $sample->emptyRawFramesDir();
 
-        $stream = new MemoryStream();
-        $stream->loadFromFile($animation);
+        $stream = new FileStream($sample->localPath());
         $decoder = new Decoder($stream);
-        $decoder->decode(function (Frame $frame, $index) use (&$checksums, $hasChecksums, &$frameCount, $name, $dir) {
+
+        $decoder->decode(function (FrameDecodedEvent $event) use (&$checksums, &$frameCount, $dir, $sample) {
             $frameCount++;
-            $paddedIndex = str_pad($index, 3, '0', STR_PAD_LEFT);
 
-            $frame->getStream()->copyContentsToFile("$dir/frame{$paddedIndex}.gif");
+            $stream = $event->decodedFrame->getStream();
+            //$paddedIndex = str_pad($event->frameIndex, 3, '0', STR_PAD_LEFT);
+            //$stream->copyContentsToFile("$dir/frame{$paddedIndex}.gif");
 
-            $checksum = sha1($frame->getStream()->getContents());
-            if ($hasChecksums) {
-                $this->assertEquals($checksum, $checksums[$index]);
-            }
-            $checksums[$index] = $checksum;
+            $checksum = sha1($stream->getContents());
+            $this->assertEquals($checksum, $sample->getFrameRawSHA1($event->frameIndex));
+            $checksums[$event->frameIndex] = $checksum;
         });
 
-        file_put_contents("$dir/$name.$action.json", json_encode($checksums, JSON_PRETTY_PRINT));
+        file_put_contents("$dir/_sha1.json", json_encode($checksums, JSON_PRETTY_PRINT));
     }
 }
diff --git a/tests/RendererTest.php b/tests/RendererTest.php
@@ -2,48 +2,51 @@
 namespace GIFEndec\Tests;
 
 use GIFEndec\Decoder;
-use GIFEndec\MemoryStream;
+use GIFEndec\Events\FrameRenderedEvent;
+use GIFEndec\IO\FileStream;
+use GIFEndec\IO\MemoryStream;
 use GIFEndec\Renderer;
+use GIFEndec\Tests\Resources\Sample;
+use GIFEndec\Tests\Resources\SampleCollection;
 
 class RendererTest extends TestCase
 {
     public function testRender()
     {
-        for ($i = 1; $i <= 6; $i++) {
-            $this->render("test$i");
+        $samples = new SampleCollection();
+        foreach ($samples->read() as $sample) {
+            $this->render($sample);
         }
     }
 
-    protected function render($name)
+    protected function render(Sample $sample)
     {
-        $action = "render";
-        $animation = __DIR__."/gifs/$name.gif";
-        $checksumPath = __DIR__."/gifs/$name.$action.json";
-        $dir = __DIR__."/output/$action/$name";
-
         $frameCount = 0;
         $checksums = [];
-        $hasChecksums = $this->loadChecksums($checksumPath, $checksums);
-        $this->createDirOrClear($dir);
 
-        $stream = new MemoryStream();
-        $stream->loadFromFile($animation);
+        $dir = $sample->emptyRenderedFramesDir();
+
+        $stream = new FileStream($sample->localPath());
         $decoder = new Decoder($stream);
         $renderer = new Renderer($decoder);
-        $renderer->start(function ($gd, $index) use (&$checksums, $hasChecksums, &$frameCount, $name, $dir) {
+
+        $renderer->start(function (FrameRenderedEvent $event) use (&$checksums, &$frameCount, $dir, $sample) {
             $frameCount++;
-            $paddedIndex = str_pad($index, 3, '0', STR_PAD_LEFT);
 
-            $outputPath = "$dir/frame{$paddedIndex}.png";
-            imagepng($gd, $outputPath, 4, PNG_ALL_FILTERS);
+            $stream = new MemoryStream();
+            ob_start();
+            imagepng($event->renderedFrame, null, 4, PNG_ALL_FILTERS);
+            $stream->writeString(ob_get_contents());
+            ob_end_clean();
+
+            //$paddedIndex = str_pad($event->frameIndex, 3, '0', STR_PAD_LEFT);
+            //$stream->copyContentsToFile("$dir/frame{$paddedIndex}.gif");
 
-            $checksum = sha1(file_get_contents($outputPath));
-            if ($hasChecksums) {
-                $this->assertEquals($checksum, $checksums[$index]);
-            }
-            $checksums[$index] = $checksum;
+            $checksum = sha1($stream->getContents());
+            $this->assertEquals($checksum, $sample->getFrameRenderedSHA1($event->frameIndex));
+            $checksums[$event->frameIndex] = $checksum;
         });
 
-        file_put_contents("$dir/$name.$action.json", json_encode($checksums, JSON_PRETTY_PRINT));
+        file_put_contents("$dir/_sha1.json", json_encode($checksums, JSON_PRETTY_PRINT));
     }
 }
diff --git a/tests/Resources/Sample.php b/tests/Resources/Sample.php
@@ -0,0 +1,103 @@
+<?php
+namespace GIFEndec\Tests\Resources;
+
+class Sample
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var array
+     */
+    private $data;
+
+    /**
+     * Sample constructor.
+     * @param string $name
+     * @param array $data
+     */
+    public function __construct($name, array $data)
+    {
+        $this->name = $name;
+        $this->data = $data;
+    }
+
+    public function name()
+    {
+        return $this->name;
+    }
+
+    public function url()
+    {
+        return $this->data['url'];
+    }
+
+    private function localDir()
+    {
+        $dir = __DIR__ . "/output/{$this->name}";
+        if (!is_dir($dir)) {
+            mkdir($dir, null, true);
+        }
+
+        return $dir;
+    }
+
+    public function localPath()
+    {
+        return $this->localDir() . "/original.gif";
+    }
+
+    public function getFrameRenderedSHA1($index)
+    {
+        return $this->data["frames_rendered_sha1"][$index];
+    }
+
+    public function getFrameRawSHA1($index)
+    {
+        return $this->data["frames_raw_sha1"][$index];
+    }
+
+    public function emptyRenderedFramesDir()
+    {
+        return $this->openOrClearOutputDir('rendered');
+    }
+
+    public function emptyRawFramesDir()
+    {
+        return $this->openOrClearOutputDir('raw');
+    }
+
+    public function download()
+    {
+        if (file_exists($this->localPath())) {
+            return;
+        }
+
+        $ch = curl_init($this->url());
+        $fp = fopen($this->localPath(), 'w');
+        curl_setopt($ch, CURLOPT_FILE, $fp);
+        curl_exec($ch);
+        curl_close($ch);
+        fclose($fp);
+    }
+
+    private function openOrClearOutputDir($type)
+    {
+        $dir = "{$this->localDir()}/$type/";
+        $this->createDirOrClear($dir);
+        return $dir;
+    }
+
+    private function createDirOrClear($dir)
+    {
+        if (!is_dir($dir)) {
+            mkdir($dir, null, true);
+        } else {
+            foreach (glob("$dir/*") as $file) {
+                unlink($file);
+            }
+        }
+    }
+}
diff --git a/tests/Resources/SampleCollection.php b/tests/Resources/SampleCollection.php
@@ -0,0 +1,38 @@
+<?php
+namespace GIFEndec\Tests\Resources;
+
+class SampleCollection
+{
+    /**
+     * @var Sample[]
+     */
+    private $samples = [];
+
+    public function __construct()
+    {
+        $samples = json_decode(file_get_contents(__DIR__ . '/gifs.json'), true);
+        foreach ($samples as $name => $data) {
+            if (!$data['enabled']) {
+                continue;
+            }
+            $this->samples[] = new Sample($name, $data);
+        }
+
+        $this->downloadAll();
+    }
+
+    /**
+     * @return Sample[]
+     */
+    public function read()
+    {
+        return $this->samples;
+    }
+
+    private function downloadAll()
+    {
+        foreach ($this->samples as $sample) {
+            $sample->download();
+        }
+    }
+}