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   1  <?php
   2  // $Id: image.test,v 1.14 2009/12/30 12:51:47 joachim Exp $
   3  
   4  /**
   5   * Test image functionality.
   6   */
   7  class ImageTestCase extends DrupalWebTestCase {
   8    protected $web_user;
   9    protected $image;
  10    protected $another_image;
  11  
  12    function getInfo() {
  13      return array(
  14        'name' => t('Image functionality'),
  15        'description' => t('Test Image module functionality.'),
  16        'group' => t('Image'),
  17      );
  18    }
  19  
  20    function setUp() {
  21      parent::setUp('image');
  22  
  23      // User to create images.
  24      $this->web_user = $this->drupalCreateUser(array('create images', 'view original images', 'edit own images', 'edit any images',
  25        'delete own images', 'delete any images', 'administer site configuration'));    
  26      $this->drupalLogin($this->web_user);
  27  
  28      // Uploadable image.
  29      $this->image = 'misc/druplicon.png';
  30      $this->another_image = 'misc/throbber.gif';
  31  
  32      // Set small dimensions for testing scale so $this->image is small enough.
  33      $image_sizes = image_get_sizes();
  34      $image_sizes['_original']['operation'] = 'scale';
  35      $image_sizes['thumbnail']['operation'] = 'scale';
  36      $image_sizes['thumbnail']['width'] = 5;
  37      $image_sizes['thumbnail']['height'] = 5;
  38      $image_sizes['preview']['operation'] = 'scale';
  39      $image_sizes['preview']['width'] = 10;
  40      $image_sizes['preview']['height'] = 10;
  41      variable_set('image_sizes', $image_sizes);
  42    }
  43  
  44    /**
  45     * Clean-up temporary files.
  46     *
  47     * @see system_cron()
  48     *
  49     * @todo This lets SimpleTest die for any reason.
  50     */
  51    function __tearDown() {
  52      $result = db_query('SELECT * FROM {files} WHERE status = %d', FILE_STATUS_TEMPORARY);
  53      while ($file = db_fetch_object($result)) {
  54        if (file_exists($file->filepath)) {
  55          // If files that exist cannot be deleted, continue so the database remains
  56          // consistent.
  57          if (!file_delete($file->filepath)) {
  58            $this->error(t('Could not delete temporary file "%path" during garbage collection', array('%path' => $file->filepath)));
  59            continue;
  60          }
  61        }
  62        db_query('DELETE FROM {files} WHERE fid = %d', $file->fid);
  63      }
  64    }
  65  
  66    /**
  67     * Verify creating/displaying/editing/deleting image nodes.
  68     */
  69    function testImageNode() {
  70      // Create an image.
  71      $edit = array(
  72        'title' => $this->randomName(),
  73        'body' => $this->randomName(),
  74        'files[image]' => realpath($this->image),
  75      );
  76      $this->drupalPost('node/add/image', $edit, t('Save'));
  77  
  78      $this->assertRaw(t('@type %title has been created.', array('@type' => 'Image', '%title' => $edit['title'])), t('Image node was created.'));
  79  
  80      $node = node_load(array('title' => $edit['title']));
  81      $this->assertTrue($node, t('Image node is found in database.'));
  82  
  83      // Display an image.
  84      $this->drupalGet('node/' . $node->nid, array('query' => 'size=_original'));
  85      $this->assertPattern('@<img[^>]+?' . $node->images['_original'] . '[^>]+?>@', t('Original image displayed on the page.'));
  86      $this->assertTrue(file_exists($node->images['_original']), t('Original image exists.'));
  87  
  88      $this->drupalGet('node/' . $node->nid);
  89      $this->assertPattern('@<img[^>]+?' . $node->images['preview'] . '[^>]+?>@', t('Image preview displayed on the page.'));
  90      $this->assertTrue(file_exists($node->images['preview']), t('Image preview exists.'));
  91  
  92      $this->drupalGet('node/' . $node->nid, array('query' => 'size=thumbnail'));
  93      $this->assertPattern('@<img[^>]+?' . $node->images['thumbnail'] . '[^>]+?>@', t('Image thumbnail displayed on the page.'));
  94      $this->assertTrue(file_exists($node->images['thumbnail']), t('Image thumbnail exists.'));
  95  
  96      // Promote the node so we can test the thumbnail appears in the teaser.
  97      $node->promote = TRUE;
  98      node_save($node);
  99      $this->drupalGet('node');
 100      $this->assertPattern('@<img[^>]+?' . $node->images['thumbnail'] . '[^>]+?>@', t('Image thumbnail displayed on the front page teaser.'));    
 101      
 102      // Edit an image.
 103      $another_edit = array(
 104        'title' => $edit['title'],
 105        'files[image]' => realpath($this->another_image),
 106      );
 107      $this->drupalPost('node/' . $node->nid . '/edit', $another_edit, t('Save'));
 108      $another_node = node_load(array('title' => $edit['title']));
 109      $this->assertFalse(file_exists($node->images['preview']) || file_exists($node->images['_original']) || file_exists($node->images['thumbnail']), t('Previous image derivative files were deleted.'));
 110  
 111      // Delete an image.
 112      $this->drupalPost('node/' . $node->nid . '/delete', array(), t('Delete'));
 113      $this->assertRaw(t('@type %title has been deleted.', array('@type' => 'Image', '%title' => $edit['title'])), t('Image node was deleted.'));
 114      $node = node_load(array('title' => $edit['title']));
 115      $this->assertFalse($node, t('Image node is not found in database.'));
 116      $this->assertFalse(file_exists($another_node->images['preview']) || file_exists($another_node->images['_original']) || file_exists($another_node->images['thumbnail']), t('Image file was deleted.'));
 117    }
 118  
 119    /**
 120     * Verify that images cannot be created without a file.
 121     */
 122    function testImageNodeValidation() {
 123      // Create an image node without image file.
 124      $edit = array(
 125        'title' => $this->randomName(),
 126        'body' => $this->randomName(),
 127      );
 128      $this->drupalPost('node/add/image', $edit, t('Save'));
 129      $this->assertRaw(t('You must upload an image.'), t('Refused node creation without image.'));
 130  
 131      $node = node_load(array('title' => $edit['title']));
 132      $this->assertFalse($node, t('Image node is not found in database.'));
 133    }
 134  
 135    /**
 136     * Verify image previews and proper submission.
 137     */
 138    function testImageNodePreview() {
 139      // Setup POST data for image.
 140      $edit = array(
 141        'title' => $this->randomName(),
 142        'body' => $this->randomName(),
 143        'files[image]' => realpath($this->image),
 144      );
 145  
 146      // Preview image node.
 147      $this->drupalGet('node/add/image');
 148      $this->drupalPost(NULL, $edit, t('Preview'));
 149  
 150      // Save image node preview as is.
 151      $this->drupalPost(NULL, NULL, t('Save'));
 152  
 153      // Verify image node was properly created.
 154      $node = node_load(array('title' => $edit['title']));
 155      $this->assertTrue($node, t('Image node is found in database.'));
 156      $this->assertTrue(file_exists($node->images['_original']), t('Original image exists.'));
 157      $filename = preg_replace('/_[^\.]+/', '', basename($node->images['_original']));
 158      $this->assertTrue($filename == basename($this->image), t('Image file was properly stored.'));
 159    }
 160  
 161    /**
 162     * Verify that images can be created in parallel (session handling).
 163     *
 164     * @todo Doesn't look valid. Can SimpleTest support this at all?
 165     * @todo testImageCreateNodeFrom() fails is this test is run.
 166     */
 167    function __testImageNodeValidationAsync() {
 168      // Setup POST data for first image.
 169      $edit1 = array(
 170        'title' => $this->randomName(),
 171        'body' => $this->randomName(),
 172        'files[image]' => realpath($this->image),
 173      );
 174      // Setup POST data for second image.
 175      $edit2 = array(
 176        'title' => $this->randomName(),
 177        'body' => $this->randomName(),
 178        'files[image]' => realpath($this->another_image),
 179      );
 180  
 181      // Preview the first image node.
 182      $this->drupalGet('node/add/image');
 183      $this->drupalPost(NULL, $edit1, t('Preview'));
 184  
 185      // Preview the second image node.
 186      $this->drupalGet('node/add/image');
 187      $this->drupalPost(NULL, $edit2, t('Preview'));
 188  
 189      // Save the first image node.
 190      $this->drupalPost(NULL, $edit1, t('Save'));
 191      // Save the second image node.
 192      $this->drupalPost('node/add/image', $edit2, t('Save'));
 193  
 194      // Verify first image node contains the first image.
 195      $node = node_load(array('title' => $edit1['title']));
 196      $filename = preg_replace('/_[^\.]+/', '', basename($node->images['_original']));
 197      $this->assertTrue($filename == basename($this->image), t('First image was properly submitted.'));
 198  
 199      // Verify second image node contains the second image.
 200      $node = node_load(array('title' => $edit2['title']));
 201      $filename = preg_replace('/_[^\.]+/', '', basename($node->images['_original']));
 202      $this->assertTrue($filename == basename($this->another_image), t('Second image was properly submitted.'));
 203    }
 204  
 205    /**
 206     * Verify derivatives take their path from the original image.
 207     */
 208    function testImageDerivativePath() {
 209      // Create an image.
 210      $edit = array(
 211        'title' => $this->randomName(),
 212        'body' => $this->randomName(),
 213        'files[image]' => realpath($this->image),
 214      );
 215      $this->drupalPost('node/add/image', $edit, t('Save'));
 216  
 217      $this->assertRaw(t('@type %title has been created.', array('@type' => 'Image', '%title' => $edit['title'])),
 218        t('Image node was created.'));
 219  
 220      $node = node_load(array('title' => $edit['title']));
 221      $this->assertTrue($node, t('Image node is found in database.'));
 222  
 223      // Change the file path using admin form.
 224      $config_change = array(
 225        'image_default_path' => 'images_alternate',
 226      );
 227      $this->drupalPost('admin/settings/image', $config_change, t('Save configuration'));
 228      $this->assertRaw(t('The configuration options have been saved.'), t('Image path was changed.'));
 229  
 230      // Create another image.
 231      $second_edit = array(
 232        'title' => $this->randomName(),
 233        'body' => $this->randomName(),
 234        'files[image]' => realpath($this->another_image),
 235      );
 236      $this->drupalPost('node/add/image', $second_edit, t('Save'));
 237  
 238      // Test that image node was created and that it has the correct path.
 239      $this->assertRaw(t('@type %title has been created.', array('@type' => 'Image', '%title' => $second_edit['title'])),
 240        t('Second image node was created.'));
 241      $second_node = node_load(array('title' => $second_edit['title']));
 242      $this->assertTrue($second_node, t('Second image node is found in database.'));
 243  
 244      $this->assertTrue(preg_match('/images_alternate/', $second_node->images['_original']),
 245        t("New path {$second_node->images['_original']} used for second image."));
 246  
 247      // Delete physical files for first image's derivatives.
 248      file_delete($node->images['preview']);
 249      $this->assertFalse(file_exists($node->images['preview']), t('First image preview image file deleted.'));
 250      file_delete($node->images['thumbnail']);
 251      $this->assertFalse(file_exists($node->images['thumbnail']), t('First image thumbnail image file deleted.'));
 252  
 253      // Edit the first image to rebuild derivatives.
 254      $another_edit = array(
 255        'rebuild_images' => TRUE,
 256      );
 257      $this->drupalPost('node/' . $node->nid . '/edit', $another_edit, t('Save'));
 258      $this->assertRaw(t('@type %title has been updated.', array('@type' => 'Image', '%title' => $edit['title'])),
 259        t('First image node was updated to rebuild derivatives.'));
 260  
 261      // Reload first image node.
 262      $first_node = node_load(array('title' => $edit['title']));
 263  
 264      // Compare regenerated thumbnail paths with original node.
 265      $this->assertTrue($node->images['thumbnail'] == $first_node->images['thumbnail'], t("Rebuilt derivatives for first image have same thumbnail path as original node: {$node->images['thumbnail']} == regenerated thumbnail path {$first_node->images['thumbnail']}")); 
 266  
 267      // Check regenerated files physically exist.
 268      $this->assertTrue(file_exists($first_node->images['preview']), t('First image preview file exists.'));
 269      $this->assertTrue(file_exists($first_node->images['thumbnail']), t('First image thumbnail file exists.'));
 270  
 271      // Change the file path back using admin form.
 272      $config_change = array(
 273        'image_default_path' => 'images',
 274      );
 275      $this->drupalPost('admin/settings/image', $config_change, t('Save configuration'));
 276      $this->assertRaw(t('The configuration options have been saved.'), t('Image path was changed back.'));
 277    } 
 278  
 279    /**
 280     * Verify that images with missing file information can be deleted from edit form.
 281     */
 282    function testImageNodeDeletion() {
 283      // Create an image.
 284      $edit = array(
 285        'title' => $this->randomName(),
 286        'body' => $this->randomName(),
 287        'files[image]' => realpath($this->image),
 288      );
 289  
 290      // Create image.
 291      $this->drupalPost('node/add/image', $edit, t('Save'));
 292      $this->assertRaw(t('@type %title has been created.', array('@type' => 'Image', '%title' => $edit['title'])), t('Image node was created.'));
 293      $node = node_load(array('title' => $edit['title']));
 294      $this->assertTrue($node, t('Image node is found in database.'));
 295  
 296      // Remove {files} row to create corruption condition.
 297      $this->assertTrue(db_query("DELETE f FROM {files} f INNER JOIN {image} i WHERE f.fid = i.fid AND i.nid = %d", $node->nid), t('Image file information was deleted.'));
 298      $node = node_load(array('title' => $edit['title']));
 299      $this->assertFalse(isset($node->images['_original']), t('Image file information is missing on re-loaded node.'));
 300  
 301      $this->drupalPost('node/' . $node->nid . '/edit', array(), t('Delete'));
 302      $this->assertRaw(t('Are you sure you want to delete %title?', array('%title' => $edit['title'])), t('Delete confirmation form is displayed.'));
 303      $this->drupalPost(NULL, array(), t('Delete'));
 304      $this->assertRaw(t('@type %title has been deleted.', array('@type' => 'Image', '%title' => $edit['title'])), t('Image node was deleted.'));
 305    }
 306  
 307    /**
 308     * Verify image_create_node_from() works like regular image node creation.
 309     */
 310    function testImageCreateNodeFrom() {
 311      $edit = array(
 312        'title' => $this->randomName(),
 313        'body' => $this->randomName(),
 314        'files[image]' => realpath($this->image),
 315      );
 316      $this->drupalPost('node/add/image', $edit, t('Save'));
 317      $this->assertRaw(t('@type %title has been created.', array('@type' => 'Image', '%title' => $edit['title'])), t('Image created.'));
 318  
 319      $node_post = node_load(array('title' => $edit['title']));
 320      $this->assertTrue($node_post, t('Form created image node found in database.'));
 321  
 322      // Copy the image, since image_create_node_from() deletes the original image.
 323      file_copy($edit['files[image]'], file_directory_temp());
 324      $node_api = image_create_node_from(file_directory_temp() . '/' . basename($edit['files[image]']), $edit['title'], $edit['body']);
 325      $this->assertTrue(is_object($node_api) && $node_api->nid, t('API created image node found in database.'));
 326      // Rebuild derivative images.
 327      $node_api = node_load($node_api->nid, NULL, TRUE);
 328  
 329      // Verify that both nodes are equal.
 330      $equality = ($node_post->title == $node_api->title);
 331      $this->assertTrue($equality, t('Image node titles are equal.'));
 332      $equality = $equality && (strip_tags($node_post->body) == strip_tags($node_api->body));
 333      $this->assertTrue($equality, t('Image node body texts are equal.'));
 334      $equality = $equality && (filesize($node_post->images['_original']) == filesize($node_api->images['_original']));
 335      $this->assertTrue($equality, t('Original images are equal.'));
 336      /*
 337      // These tests are temporarily commented out as they fail due to 
 338      // image_create_node_from() not creative derivatives.
 339      // @see <http://drupal.org/node/670686> for details.
 340      $equality = $equality && (filesize($node_post->images['preview']) == filesize($node_api->images['preview']));
 341      $this->assertTrue($equality, t('Preview images are equal.'));
 342      $equality = $equality && (filesize($node_post->images['thumbnail']) == filesize($node_api->images['thumbnail']));
 343      $this->assertTrue($equality, t('Preview images are equal.'));
 344      */
 345    }
 346  }
 347