Checks node edit functionality.
function testPageEdit() {
$this
->drupalLogin($this->web_user);
$langcode = LANGUAGE_NOT_SPECIFIED;
$title_key = "title";
$body_key = "body[{$langcode}][0][value]";
// Create node to edit.
$edit = array();
$edit[$title_key] = $this
->randomName(8);
$edit[$body_key] = $this
->randomName(16);
$this
->drupalPost('node/add/page', $edit, t('Save'));
// Check that the node exists in the database.
$node = $this
->drupalGetNodeByTitle($edit[$title_key]);
$this
->assertTrue($node, 'Node found in database.');
// Check that "edit" link points to correct page.
$this
->clickLink(t('Edit'));
$edit_url = url("node/{$node->nid}/edit", array(
'absolute' => TRUE,
));
$actual_url = $this
->getURL();
$this
->assertEqual($edit_url, $actual_url, 'On edit page.');
// Check that the title and body fields are displayed with the correct values.
$active = '<span class="element-invisible">' . t('(active tab)') . '</span>';
$link_text = t('!local-task-title!active', array(
'!local-task-title' => t('Edit'),
'!active' => $active,
));
$this
->assertText(strip_tags($link_text), 0, 'Edit tab found and marked active.');
$this
->assertFieldByName($title_key, $edit[$title_key], 'Title field displayed.');
$this
->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
// Edit the content of the node.
$edit = array();
$edit[$title_key] = $this
->randomName(8);
$edit[$body_key] = $this
->randomName(16);
// Stay on the current page, without reloading.
$this
->drupalPost(NULL, $edit, t('Save'));
// Check that the title and body fields are displayed with the updated values.
$this
->assertText($edit[$title_key], 'Title displayed.');
$this
->assertText($edit[$body_key], 'Body displayed.');
// Login as a second administrator user.
$second_web_user = $this
->drupalCreateUser(array(
'administer nodes',
'edit any page content',
));
$this
->drupalLogin($second_web_user);
// Edit the same node, creating a new revision.
$this
->drupalGet("node/{$node->nid}/edit");
$edit = array();
$edit['title'] = $this
->randomName(8);
$edit[$body_key] = $this
->randomName(16);
$edit['revision'] = TRUE;
$this
->drupalPost(NULL, $edit, t('Save'));
// Ensure that the node revision has been created.
$revised_node = $this
->drupalGetNodeByTitle($edit['title'], TRUE);
$this
->assertNotIdentical($node->vid, $revised_node->vid, 'A new revision has been created.');
// Ensure that the node author is preserved when it was not changed in the
// edit form.
$this
->assertIdentical($node->uid, $revised_node->uid, 'The node author has been preserved.');
// Ensure that the revision authors are different since the revisions were
// made by different users.
$first_node_version = node_revision_load($node->vid);
$second_node_version = node_revision_load($revised_node->vid);
$this
->assertNotIdentical($first_node_version->revision_uid, $second_node_version->revision_uid, 'Each revision has a distinct user.');
}