function ImageStyleFlushTest::testFlush

General test to flush a style.

File

core/modules/image/tests/src/Functional/ImageStyleFlushTest.php, line 60

Class

ImageStyleFlushTest

Tests flushing of image styles.

Namespace

Code

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->drupalGet('admin/config/media/image-styles/add');
    $this->submitForm($edit, 'Create new style');
    // Add each sample effect to the style.
    foreach ($effect_edits as $effect => $edit) {
        // Add the effect.
        $this->drupalGet($style_path);
        $this->submitForm([
            'new' => $effect,
        ], 'Add');
        if (!empty($edit)) {
            $this->submitForm($edit, '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->assertEquals(2, $this->getImageCount($style, 'public'), new FormattableMarkup('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->assertEquals(1, $this->getImageCount($style, 'private'), new FormattableMarkup('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;
    }
    $this->drupalGet($style_path . '/effects/' . $uuids['image_scale'] . '/delete');
    $this->submitForm([], 'Delete');
    $this->assertSession()
        ->statusCodeEquals(200);
    $this->drupalGet($style_path);
    $this->submitForm([], 'Save');
    $this->assertSession()
        ->statusCodeEquals(200);
    // Post flush, expected 1 image in the 'public' wrapper (sample.png).
    $this->assertEquals(1, $this->getImageCount($style, 'public'), new FormattableMarkup('Image style %style flushed correctly for %wrapper wrapper.', [
        '%style' => $style->label(),
        '%wrapper' => 'public',
    ]));
    // Post flush, expected no image in the 'private' wrapper.
    $this->assertEquals(0, $this->getImageCount($style, 'private'), new FormattableMarkup('Image style %style flushed correctly for %wrapper wrapper.', [
        '%style' => $style->label(),
        '%wrapper' => 'private',
    ]));
}