BookStack Code Mirror - bookstack/blob - tests/Uploads/ImageTest.php

   1 <?php
   2
   3 namespace Tests\Uploads;
   4
   5 use BookStack\Entities\Repos\PageRepo;
   6 use BookStack\Uploads\Image;
   7 use BookStack\Uploads\ImageService;
   8 use Illuminate\Support\Str;
   9 use Tests\TestCase;
  10
  11 class ImageTest extends TestCase
  12 {
  13     public function test_image_upload()
  14     {
  15         $page = $this->entities->page();
  16         $admin = $this->users->admin();
  17         $this->actingAs($admin);
  18
  19         $imgDetails = $this->files->uploadGalleryImageToPage($this, $page);
  20         $relPath = $imgDetails['path'];
  21
  22         $this->assertTrue(file_exists(public_path($relPath)), 'Uploaded image found at path: ' . public_path($relPath));
  23
  24         $this->files->deleteAtRelativePath($relPath);
  25
  26         $this->assertDatabaseHas('images', [
  27             'url'         => $this->baseUrl . $relPath,
  28             'type'        => 'gallery',
  29             'uploaded_to' => $page->id,
  30             'path'        => $relPath,
  31             'created_by'  => $admin->id,
  32             'updated_by'  => $admin->id,
  33             'name'        => $imgDetails['name'],
  34         ]);
  35     }
  36
  37     public function test_image_display_thumbnail_generation_does_not_increase_image_size()
  38     {
  39         $page = $this->entities->page();
  40         $admin = $this->users->admin();
  41         $this->actingAs($admin);
  42
  43         $originalFile = $this->files->testFilePath('compressed.png');
  44         $originalFileSize = filesize($originalFile);
  45         $imgDetails = $this->files->uploadGalleryImageToPage($this, $page, 'compressed.png');
  46         $relPath = $imgDetails['path'];
  47
  48         $this->assertTrue(file_exists(public_path($relPath)), 'Uploaded image found at path: ' . public_path($relPath));
  49         $displayImage = $imgDetails['response']->thumbs->display;
  50
  51         $displayImageRelPath = implode('/', array_slice(explode('/', $displayImage), 3));
  52         $displayImagePath = public_path($displayImageRelPath);
  53         $displayFileSize = filesize($displayImagePath);
  54
  55         $this->files->deleteAtRelativePath($relPath);
  56         $this->files->deleteAtRelativePath($displayImageRelPath);
  57
  58         $this->assertEquals($originalFileSize, $displayFileSize, 'Display thumbnail generation should not increase image size');
  59     }
  60
  61     public function test_image_display_thumbnail_generation_for_apng_images_uses_original_file()
  62     {
  63         $page = $this->entities->page();
  64         $admin = $this->users->admin();
  65         $this->actingAs($admin);
  66
  67         $imgDetails = $this->files->uploadGalleryImageToPage($this, $page, 'animated.png');
  68         $this->files->deleteAtRelativePath($imgDetails['path']);
  69
  70         $this->assertStringContainsString('thumbs-', $imgDetails['response']->thumbs->gallery);
  71         $this->assertStringNotContainsString('thumbs-', $imgDetails['response']->thumbs->display);
  72     }
  73
  74     public function test_image_edit()
  75     {
  76         $editor = $this->users->editor();
  77         $this->actingAs($editor);
  78
  79         $imgDetails = $this->files->uploadGalleryImageToPage($this, $this->entities->page());
  80         $image = Image::query()->first();
  81
  82         $newName = Str::random();
  83         $update = $this->put('/images/' . $image->id, ['name' => $newName]);
  84         $update->assertSuccessful();
  85         $update->assertSee($newName);
  86
  87         $this->files->deleteAtRelativePath($imgDetails['path']);
  88
  89         $this->assertDatabaseHas('images', [
  90             'type' => 'gallery',
  91             'name' => $newName,
  92         ]);
  93     }
  94
  95     public function test_gallery_get_list_format()
  96     {
  97         $this->asEditor();
  98
  99         $imgDetails = $this->files->uploadGalleryImageToPage($this, $this->entities->page());
 100         $image = Image::query()->first();
 101
 102         $pageId = $imgDetails['page']->id;
 103         $firstPageRequest = $this->get("/images/gallery?page=1&uploaded_to={$pageId}");
 104         $firstPageRequest->assertSuccessful();
 105         $this->withHtml($firstPageRequest)->assertElementExists('div');
 106         $firstPageRequest->assertSuccessful()->assertSeeText($image->name);
 107
 108         $secondPageRequest = $this->get("/images/gallery?page=2&uploaded_to={$pageId}");
 109         $secondPageRequest->assertSuccessful();
 110         $this->withHtml($secondPageRequest)->assertElementNotExists('div');
 111
 112         $namePartial = substr($imgDetails['name'], 0, 3);
 113         $searchHitRequest = $this->get("/images/gallery?page=1&uploaded_to={$pageId}&search={$namePartial}");
 114         $searchHitRequest->assertSuccessful()->assertSee($imgDetails['name']);
 115
 116         $namePartial = Str::random(16);
 117         $searchFailRequest = $this->get("/images/gallery?page=1&uploaded_to={$pageId}&search={$namePartial}");
 118         $searchFailRequest->assertSuccessful()->assertDontSee($imgDetails['name']);
 119         $searchFailRequest->assertSuccessful();
 120         $this->withHtml($searchFailRequest)->assertElementNotExists('div');
 121     }
 122
 123     public function test_image_gallery_lists_for_draft_page()
 124     {
 125         $this->actingAs($this->users->editor());
 126         $draft = $this->entities->newDraftPage();
 127         $this->files->uploadGalleryImageToPage($this, $draft);
 128         $image = Image::query()->where('uploaded_to', '=', $draft->id)->firstOrFail();
 129
 130         $resp = $this->get("/images/gallery?page=1&uploaded_to={$draft->id}");
 131         $resp->assertSee($image->getThumb(150, 150));
 132     }
 133
 134     public function test_image_usage()
 135     {
 136         $page = $this->entities->page();
 137         $editor = $this->users->editor();
 138         $this->actingAs($editor);
 139
 140         $imgDetails = $this->files->uploadGalleryImageToPage($this, $page);
 141
 142         $image = Image::query()->first();
 143         $page->html = '<img src="' . $image->url . '">';
 144         $page->save();
 145
 146         $usage = $this->get('/images/edit/' . $image->id . '?delete=true');
 147         $usage->assertSuccessful();
 148         $usage->assertSeeText($page->name);
 149         $usage->assertSee($page->getUrl());
 150
 151         $this->files->deleteAtRelativePath($imgDetails['path']);
 152     }
 153
 154     public function test_php_files_cannot_be_uploaded()
 155     {
 156         $page = $this->entities->page();
 157         $admin = $this->users->admin();
 158         $this->actingAs($admin);
 159
 160         $fileName = 'bad.php';
 161         $relPath = $this->files->expectedImagePath('gallery', $fileName);
 162         $this->files->deleteAtRelativePath($relPath);
 163
 164         $file = $this->files->imageFromBase64File('bad-php.base64', $fileName);
 165         $upload = $this->withHeader('Content-Type', 'image/jpeg')->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $file], []);
 166         $upload->assertStatus(500);
 167         $this->assertStringContainsString('The file must have a valid & supported image extension', $upload->json('message'));
 168
 169         $this->assertFalse(file_exists(public_path($relPath)), 'Uploaded php file was uploaded but should have been stopped');
 170
 171         $this->assertDatabaseMissing('images', [
 172             'type' => 'gallery',
 173             'name' => $fileName,
 174         ]);
 175     }
 176
 177     public function test_php_like_files_cannot_be_uploaded()
 178     {
 179         $page = $this->entities->page();
 180         $admin = $this->users->admin();
 181         $this->actingAs($admin);
 182
 183         $fileName = 'bad.phtml';
 184         $relPath = $this->files->expectedImagePath('gallery', $fileName);
 185         $this->files->deleteAtRelativePath($relPath);
 186
 187         $file = $this->files->imageFromBase64File('bad-phtml.base64', $fileName);
 188         $upload = $this->withHeader('Content-Type', 'image/jpeg')->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $file], []);
 189         $upload->assertStatus(500);
 190         $this->assertStringContainsString('The file must have a valid & supported image extension', $upload->json('message'));
 191
 192         $this->assertFalse(file_exists(public_path($relPath)), 'Uploaded php file was uploaded but should have been stopped');
 193     }
 194
 195     public function test_files_with_double_extensions_will_get_sanitized()
 196     {
 197         $page = $this->entities->page();
 198         $admin = $this->users->admin();
 199         $this->actingAs($admin);
 200
 201         $fileName = 'bad.phtml.png';
 202         $relPath = $this->files->expectedImagePath('gallery', $fileName);
 203         $expectedRelPath = dirname($relPath) . '/bad-phtml.png';
 204         $this->files->deleteAtRelativePath($expectedRelPath);
 205
 206         $file = $this->files->imageFromBase64File('bad-phtml-png.base64', $fileName);
 207         $upload = $this->withHeader('Content-Type', 'image/png')->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $file], []);
 208         $upload->assertStatus(200);
 209
 210         $lastImage = Image::query()->latest('id')->first();
 211
 212         $this->assertEquals('bad.phtml.png', $lastImage->name);
 213         $this->assertEquals('bad-phtml.png', basename($lastImage->path));
 214         $this->assertFileDoesNotExist(public_path($relPath), 'Uploaded image file name was not stripped of dots');
 215         $this->assertFileExists(public_path($expectedRelPath));
 216
 217         $this->files->deleteAtRelativePath($lastImage->path);
 218     }
 219
 220     public function test_url_entities_removed_from_filenames()
 221     {
 222         $this->asEditor();
 223         $badNames = [
 224             'bad-char-#-image.png',
 225             'bad-char-?-image.png',
 226             '?#.png',
 227             '?.png',
 228             '#.png',
 229         ];
 230         foreach ($badNames as $name) {
 231             $galleryFile = $this->files->uploadedImage($name);
 232             $page = $this->entities->page();
 233             $badPath = $this->files->expectedImagePath('gallery', $name);
 234             $this->files->deleteAtRelativePath($badPath);
 235
 236             $upload = $this->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $galleryFile], []);
 237             $upload->assertStatus(200);
 238
 239             $lastImage = Image::query()->latest('id')->first();
 240             $newFileName = explode('.', basename($lastImage->path))[0];
 241
 242             $this->assertEquals($lastImage->name, $name);
 243             $this->assertFalse(strpos($lastImage->path, $name), 'Path contains original image name');
 244             $this->assertFalse(file_exists(public_path($badPath)), 'Uploaded image file name was not stripped of url entities');
 245
 246             $this->assertTrue(strlen($newFileName) > 0, 'File name was reduced to nothing');
 247
 248             $this->files->deleteAtRelativePath($lastImage->path);
 249         }
 250     }
 251
 252     public function test_secure_images_uploads_to_correct_place()
 253     {
 254         config()->set('filesystems.images', 'local_secure');
 255         $this->asEditor();
 256         $galleryFile = $this->files->uploadedImage('my-secure-test-upload.png');
 257         $page = $this->entities->page();
 258         $expectedPath = storage_path('uploads/images/gallery/' . date('Y-m') . '/my-secure-test-upload.png');
 259
 260         $upload = $this->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $galleryFile], []);
 261         $upload->assertStatus(200);
 262
 263         $this->assertTrue(file_exists($expectedPath), 'Uploaded image not found at path: ' . $expectedPath);
 264
 265         if (file_exists($expectedPath)) {
 266             unlink($expectedPath);
 267         }
 268     }
 269
 270     public function test_secure_image_paths_traversal_causes_500()
 271     {
 272         config()->set('filesystems.images', 'local_secure');
 273         $this->asEditor();
 274
 275         $resp = $this->get('/uploads/images/../../logs/laravel.log');
 276         $resp->assertStatus(500);
 277     }
 278
 279     public function test_secure_image_paths_traversal_on_non_secure_images_causes_404()
 280     {
 281         config()->set('filesystems.images', 'local');
 282         $this->asEditor();
 283
 284         $resp = $this->get('/uploads/images/../../logs/laravel.log');
 285         $resp->assertStatus(404);
 286     }
 287
 288     public function test_secure_image_paths_dont_serve_non_images()
 289     {
 290         config()->set('filesystems.images', 'local_secure');
 291         $this->asEditor();
 292
 293         $testFilePath = storage_path('/uploads/images/testing.txt');
 294         file_put_contents($testFilePath, 'hello from test_secure_image_paths_dont_serve_non_images');
 295
 296         $resp = $this->get('/uploads/images/testing.txt');
 297         $resp->assertStatus(404);
 298     }
 299
 300     public function test_secure_images_included_in_exports()
 301     {
 302         config()->set('filesystems.images', 'local_secure');
 303         $this->asEditor();
 304         $galleryFile = $this->files->uploadedImage('my-secure-test-upload.png');
 305         $page = $this->entities->page();
 306         $expectedPath = storage_path('uploads/images/gallery/' . date('Y-m') . '/my-secure-test-upload.png');
 307
 308         $upload = $this->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $galleryFile], []);
 309         $imageUrl = json_decode($upload->getContent(), true)['url'];
 310         $page->html .= "<img src=\"{$imageUrl}\">";
 311         $page->save();
 312         $upload->assertStatus(200);
 313
 314         $encodedImageContent = base64_encode(file_get_contents($expectedPath));
 315         $export = $this->get($page->getUrl('/export/html'));
 316         $this->assertTrue(strpos($export->getContent(), $encodedImageContent) !== false, 'Uploaded image in export content');
 317
 318         if (file_exists($expectedPath)) {
 319             unlink($expectedPath);
 320         }
 321     }
 322
 323     public function test_system_images_remain_public_with_local_secure()
 324     {
 325         config()->set('filesystems.images', 'local_secure');
 326         $this->asAdmin();
 327         $galleryFile = $this->files->uploadedImage('my-system-test-upload.png');
 328         $expectedPath = public_path('uploads/images/system/' . date('Y-m') . '/my-system-test-upload.png');
 329
 330         $upload = $this->call('POST', '/settings/customization', [], [], ['app_logo' => $galleryFile], []);
 331         $upload->assertRedirect('/settings/customization');
 332
 333         $this->assertTrue(file_exists($expectedPath), 'Uploaded image not found at path: ' . $expectedPath);
 334
 335         if (file_exists($expectedPath)) {
 336             unlink($expectedPath);
 337         }
 338     }
 339
 340     public function test_system_images_remain_public_with_local_secure_restricted()
 341     {
 342         config()->set('filesystems.images', 'local_secure_restricted');
 343         $this->asAdmin();
 344         $galleryFile = $this->files->uploadedImage('my-system-test-restricted-upload.png');
 345         $expectedPath = public_path('uploads/images/system/' . date('Y-m') . '/my-system-test-restricted-upload.png');
 346
 347         $upload = $this->call('POST', '/settings/customization', [], [], ['app_logo' => $galleryFile], []);
 348         $upload->assertRedirect('/settings/customization');
 349
 350         $this->assertTrue(file_exists($expectedPath), 'Uploaded image not found at path: ' . $expectedPath);
 351
 352         if (file_exists($expectedPath)) {
 353             unlink($expectedPath);
 354         }
 355     }
 356
 357     public function test_secure_restricted_images_inaccessible_without_relation_permission()
 358     {
 359         config()->set('filesystems.images', 'local_secure_restricted');
 360         $this->asEditor();
 361         $galleryFile = $this->files->uploadedImage('my-secure-restricted-test-upload.png');
 362         $page = $this->entities->page();
 363
 364         $upload = $this->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $galleryFile], []);
 365         $upload->assertStatus(200);
 366         $expectedUrl = url('uploads/images/gallery/' . date('Y-m') . '/my-secure-restricted-test-upload.png');
 367         $expectedPath = storage_path('uploads/images/gallery/' . date('Y-m') . '/my-secure-restricted-test-upload.png');
 368
 369         $this->get($expectedUrl)->assertOk();
 370
 371         $this->permissions->setEntityPermissions($page, [], []);
 372
 373         $resp = $this->get($expectedUrl);
 374         $resp->assertNotFound();
 375
 376         if (file_exists($expectedPath)) {
 377             unlink($expectedPath);
 378         }
 379     }
 380
 381     public function test_thumbnail_path_handled_by_secure_restricted_images()
 382     {
 383         config()->set('filesystems.images', 'local_secure_restricted');
 384         $this->asEditor();
 385         $galleryFile = $this->files->uploadedImage('my-secure-restricted-thumb-test-test.png');
 386         $page = $this->entities->page();
 387
 388         $upload = $this->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $galleryFile], []);
 389         $upload->assertStatus(200);
 390         $expectedUrl = url('uploads/images/gallery/' . date('Y-m') . '/thumbs-150-150/my-secure-restricted-thumb-test-test.png');
 391         $expectedPath = storage_path('uploads/images/gallery/' . date('Y-m') . '/my-secure-restricted-thumb-test-test.png');
 392
 393         $this->get($expectedUrl)->assertOk();
 394
 395         $this->permissions->setEntityPermissions($page, [], []);
 396
 397         $resp = $this->get($expectedUrl);
 398         $resp->assertNotFound();
 399
 400         if (file_exists($expectedPath)) {
 401             unlink($expectedPath);
 402         }
 403     }
 404
 405     public function test_secure_restricted_image_access_controlled_in_exports()
 406     {
 407         config()->set('filesystems.images', 'local_secure_restricted');
 408         $this->asEditor();
 409         $galleryFile = $this->files->uploadedImage('my-secure-restricted-export-test.png');
 410
 411         $pageA = $this->entities->page();
 412         $pageB = $this->entities->page();
 413         $expectedPath = storage_path('uploads/images/gallery/' . date('Y-m') . '/my-secure-restricted-export-test.png');
 414
 415         $upload = $this->asEditor()->call('POST', '/images/gallery', ['uploaded_to' => $pageA->id], [], ['file' => $galleryFile], []);
 416         $upload->assertOk();
 417
 418         $imageUrl = json_decode($upload->getContent(), true)['url'];
 419         $pageB->html .= "<img src=\"{$imageUrl}\">";
 420         $pageB->save();
 421
 422         $encodedImageContent = base64_encode(file_get_contents($expectedPath));
 423         $export = $this->get($pageB->getUrl('/export/html'));
 424         $this->assertStringContainsString($encodedImageContent, $export->getContent());
 425
 426         $this->permissions->setEntityPermissions($pageA, [], []);
 427
 428         $export = $this->get($pageB->getUrl('/export/html'));
 429         $this->assertStringNotContainsString($encodedImageContent, $export->getContent());
 430
 431         if (file_exists($expectedPath)) {
 432             unlink($expectedPath);
 433         }
 434     }
 435
 436     public function test_image_delete()
 437     {
 438         $page = $this->entities->page();
 439         $this->asAdmin();
 440         $imageName = 'first-image.png';
 441         $relPath = $this->files->expectedImagePath('gallery', $imageName);
 442         $this->files->deleteAtRelativePath($relPath);
 443
 444         $this->files->uploadGalleryImage($this, $imageName, $page->id);
 445         $image = Image::first();
 446
 447         $delete = $this->delete('/images/' . $image->id);
 448         $delete->assertStatus(200);
 449
 450         $this->assertDatabaseMissing('images', [
 451             'url'  => $this->baseUrl . $relPath,
 452             'type' => 'gallery',
 453         ]);
 454
 455         $this->assertFalse(file_exists(public_path($relPath)), 'Uploaded image has not been deleted as expected');
 456     }
 457
 458     public function test_image_delete_does_not_delete_similar_images()
 459     {
 460         $page = $this->entities->page();
 461         $this->asAdmin();
 462         $imageName = 'first-image.png';
 463
 464         $relPath = $this->files->expectedImagePath('gallery', $imageName);
 465         $this->files->deleteAtRelativePath($relPath);
 466
 467         $this->files->uploadGalleryImage($this, $imageName, $page->id);
 468         $this->files->uploadGalleryImage($this, $imageName, $page->id);
 469         $this->files->uploadGalleryImage($this, $imageName, $page->id);
 470
 471         $image = Image::first();
 472         $folder = public_path(dirname($relPath));
 473         $imageCount = count(glob($folder . '/*'));
 474
 475         $delete = $this->delete('/images/' . $image->id);
 476         $delete->assertStatus(200);
 477
 478         $newCount = count(glob($folder . '/*'));
 479         $this->assertEquals($imageCount - 1, $newCount, 'More files than expected have been deleted');
 480         $this->assertFalse(file_exists(public_path($relPath)), 'Uploaded image has not been deleted as expected');
 481     }
 482
 483     public function test_image_manager_delete_button_only_shows_with_permission()
 484     {
 485         $page = $this->entities->page();
 486         $this->asAdmin();
 487         $imageName = 'first-image.png';
 488         $relPath = $this->files->expectedImagePath('gallery', $imageName);
 489         $this->files->deleteAtRelativePath($relPath);
 490         $viewer = $this->users->viewer();
 491
 492         $this->files->uploadGalleryImage($this, $imageName, $page->id);
 493         $image = Image::first();
 494
 495         $resp = $this->get("/images/edit/{$image->id}");
 496         $this->withHtml($resp)->assertElementExists('button#image-manager-delete[title="Delete"]');
 497
 498         $resp = $this->actingAs($viewer)->get("/images/edit/{$image->id}");
 499         $this->withHtml($resp)->assertElementNotExists('button#image-manager-delete[title="Delete"]');
 500
 501         $this->permissions->grantUserRolePermissions($viewer, ['image-delete-all']);
 502
 503         $resp = $this->actingAs($viewer)->get("/images/edit/{$image->id}");
 504         $this->withHtml($resp)->assertElementExists('button#image-manager-delete[title="Delete"]');
 505
 506         $this->files->deleteAtRelativePath($relPath);
 507     }
 508
 509     protected function getTestProfileImage()
 510     {
 511         $imageName = 'profile.png';
 512         $relPath = $this->files->expectedImagePath('user', $imageName);
 513         $this->files->deleteAtRelativePath($relPath);
 514
 515         return $this->files->uploadedImage($imageName);
 516     }
 517
 518     public function test_user_image_upload()
 519     {
 520         $editor = $this->users->editor();
 521         $admin = $this->users->admin();
 522         $this->actingAs($admin);
 523
 524         $file = $this->getTestProfileImage();
 525         $this->call('PUT', '/settings/users/' . $editor->id, [], [], ['profile_image' => $file], []);
 526
 527         $this->assertDatabaseHas('images', [
 528             'type'        => 'user',
 529             'uploaded_to' => $editor->id,
 530             'created_by'  => $admin->id,
 531         ]);
 532     }
 533
 534     public function test_user_images_deleted_on_user_deletion()
 535     {
 536         $editor = $this->users->editor();
 537         $this->actingAs($editor);
 538
 539         $file = $this->getTestProfileImage();
 540         $this->call('PUT', '/settings/users/' . $editor->id, [], [], ['profile_image' => $file], []);
 541
 542         $profileImages = Image::where('type', '=', 'user')->where('created_by', '=', $editor->id)->get();
 543         $this->assertTrue($profileImages->count() === 1, 'Found profile images does not match upload count');
 544
 545         $imagePath = public_path($profileImages->first()->path);
 546         $this->assertTrue(file_exists($imagePath));
 547
 548         $userDelete = $this->asAdmin()->delete("/settings/users/{$editor->id}");
 549         $userDelete->assertStatus(302);
 550
 551         $this->assertDatabaseMissing('images', [
 552             'type'       => 'user',
 553             'created_by' => $editor->id,
 554         ]);
 555         $this->assertDatabaseMissing('images', [
 556             'type'        => 'user',
 557             'uploaded_to' => $editor->id,
 558         ]);
 559
 560         $this->assertFalse(file_exists($imagePath));
 561     }
 562
 563     public function test_deleted_unused_images()
 564     {
 565         $page = $this->entities->page();
 566         $admin = $this->users->admin();
 567         $this->actingAs($admin);
 568
 569         $imageName = 'unused-image.png';
 570         $relPath = $this->files->expectedImagePath('gallery', $imageName);
 571         $this->files->deleteAtRelativePath($relPath);
 572
 573         $upload = $this->files->uploadGalleryImage($this, $imageName, $page->id);
 574         $upload->assertStatus(200);
 575         $image = Image::where('type', '=', 'gallery')->first();
 576
 577         $pageRepo = app(PageRepo::class);
 578         $pageRepo->update($page, [
 579             'name'    => $page->name,
 580             'html'    => $page->html . "<img src=\"{$image->url}\">",
 581             'summary' => '',
 582         ]);
 583
 584         // Ensure no images are reported as deletable
 585         $imageService = app(ImageService::class);
 586         $toDelete = $imageService->deleteUnusedImages(true, true);
 587         $this->assertCount(0, $toDelete);
 588
 589         // Save a revision of our page without the image;
 590         $pageRepo->update($page, [
 591             'name'    => $page->name,
 592             'html'    => '<p>Hello</p>',
 593             'summary' => '',
 594         ]);
 595
 596         // Ensure revision images are picked up okay
 597         $imageService = app(ImageService::class);
 598         $toDelete = $imageService->deleteUnusedImages(true, true);
 599         $this->assertCount(0, $toDelete);
 600         $toDelete = $imageService->deleteUnusedImages(false, true);
 601         $this->assertCount(1, $toDelete);
 602
 603         // Check image is found when revisions are destroyed
 604         $page->revisions()->delete();
 605         $toDelete = $imageService->deleteUnusedImages(true, true);
 606         $this->assertCount(1, $toDelete);
 607
 608         // Check the image is deleted
 609         $absPath = public_path($relPath);
 610         $this->assertTrue(file_exists($absPath), "Existing uploaded file at path {$absPath} exists");
 611         $toDelete = $imageService->deleteUnusedImages(true, false);
 612         $this->assertCount(1, $toDelete);
 613         $this->assertFalse(file_exists($absPath));
 614
 615         $this->files->deleteAtRelativePath($relPath);
 616     }
 617 }