Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / image / tests / src / Functional / ImageStyleFlushTest.php

diff --git a/web/core/modules/image/tests/src/Functional/ImageStyleFlushTest.php b/web/core/modules/image/tests/src/Functional/ImageStyleFlushTest.php
new file mode 100644 (file)
index 0000000..169bfa0
--- /dev/null
+++ b/web/core/modules/image/tests/src/Functional/ImageStyleFlushTest.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Drupal\Tests\image\Functional;
+
+use Drupal\image\Entity\ImageStyle;
+use Drupal\Tests\TestFileCreationTrait;
+
+/**
+ * Tests flushing of image styles.
+ *
+ * @group image
+ */
+class ImageStyleFlushTest extends ImageFieldTestBase {
+
+  use TestFileCreationTrait {
+    getTestFiles as drupalGetTestFiles;
+    compareFiles as drupalCompareFiles;
+  }
+
+  /**
+   * Given an image style and a wrapper, generate an image.
+   */
+  public function createSampleImage($style, $wrapper) {
+    static $file;
+
+    if (!isset($file)) {
+      $files = $this->drupalGetTestFiles('image');
+      $file = reset($files);
+    }
+
+    // Make sure we have an image in our wrapper testing file directory.
+    $source_uri = file_unmanaged_copy($file->uri, $wrapper . '://');
+    // Build the derivative image.
+    $derivative_uri = $style->buildUri($source_uri);
+    $derivative = $style->createDerivative($source_uri, $derivative_uri);
+
+    return $derivative ? $derivative_uri : FALSE;
+  }
+
+  /**
+   * Count the number of images currently created for a style in a wrapper.
+   */
+  public function getImageCount($style, $wrapper) {
+    return count(file_scan_directory($wrapper . '://styles/' . $style->id(), '/.*/'));
+  }
+
+  /**
+   * General test to flush a style.
+   */
+  public function testFlush() {
+
+    // Setup a style to be created and effects to add to it.
+    $style_name = strtolower($this->randomMachineName(10));
+    $style_label = $this->randomString();
+    $style_path = 'admin/config/media/image-styles/manage/' . $style_name;
+    $effect_edits = [
+      'image_resize' => [
+        'data[width]' => 100,
+        'data[height]' => 101,
+      ],
+      'image_scale' => [
+        'data[width]' => 110,
+        'data[height]' => 111,
+        'data[upscale]' => 1,
+      ],
+    ];
+
+    // Add style form.
+    $edit = [
+      'name' => $style_name,
+      'label' => $style_label,
+    ];
+    $this->drupalPostForm('admin/config/media/image-styles/add', $edit, t('Create new style'));
+
+    // Add each sample effect to the style.
+    foreach ($effect_edits as $effect => $edit) {
+      // Add the effect.
+      $this->drupalPostForm($style_path, ['new' => $effect], t('Add'));
+      if (!empty($edit)) {
+        $this->drupalPostForm(NULL, $edit, t('Add effect'));
+      }
+    }
+
+    // Load the saved image style.
+    $style = ImageStyle::load($style_name);
+
+    // Create an image for the 'public' wrapper.
+    $image_path = $this->createSampleImage($style, 'public');
+    // Expecting to find 2 images, one is the sample.png image shown in
+    // image style preview.
+    $this->assertEqual($this->getImageCount($style, 'public'), 2, format_string('Image style %style image %file successfully generated.', ['%style' => $style->label(), '%file' => $image_path]));
+
+    // Create an image for the 'private' wrapper.
+    $image_path = $this->createSampleImage($style, 'private');
+    $this->assertEqual($this->getImageCount($style, 'private'), 1, format_string('Image style %style image %file successfully generated.', ['%style' => $style->label(), '%file' => $image_path]));
+
+    // Remove the 'image_scale' effect and updates the style, which in turn
+    // forces an image style flush.
+    $style_path = 'admin/config/media/image-styles/manage/' . $style->id();
+    $uuids = [];
+    foreach ($style->getEffects() as $uuid => $effect) {
+      $uuids[$effect->getPluginId()] = $uuid;
+    }
+    $this->drupalPostForm($style_path . '/effects/' . $uuids['image_scale'] . '/delete', [], t('Delete'));
+    $this->assertResponse(200);
+    $this->drupalPostForm($style_path, [], t('Save'));
+    $this->assertResponse(200);
+
+    // Post flush, expected 1 image in the 'public' wrapper (sample.png).
+    $this->assertEqual($this->getImageCount($style, 'public'), 1, format_string('Image style %style flushed correctly for %wrapper wrapper.', ['%style' => $style->label(), '%wrapper' => 'public']));
+
+    // Post flush, expected no image in the 'private' wrapper.
+    $this->assertEqual($this->getImageCount($style, 'private'), 0, format_string('Image style %style flushed correctly for %wrapper wrapper.', ['%style' => $style->label(), '%wrapper' => 'private']));
+  }
+
+}