/**
* Tests flaggings are deleted and counts are removed when a flag is deleted.
*/
public function testFlagDeletion() {
// Create a article to flag.
$article1 = Node::create([
'type' => 'article',
'title' => $this->randomMachineName(8),
]);
$article1->save();
// Create a second article.
$article2 = Node::create([
'type' => 'article',
'title' => $this->randomMachineName(8),
]);
$article2->save();
// Flag both.
$this->flagService->flag($this->flag, $article1);
$this->flagService->flag($this->flag, $article2);
// Confirm the counts have been incremented.
$article1_count_before = $this->flagCountService->getEntityFlagCounts($article1);
$this->assertEqual($article1_count_before[$this->flag->id()], 1, 'The article1 has been flagged.');
$article2_count_before = $this->flagCountService->getEntityFlagCounts($article2);
$this->assertEqual(count($article2_count_before[$this->flag->id()]), 1, 'The article2 has been flagged.');
// Confirm the flagging have been created.
$flaggings_before = $this->flagService->getFlaggings($this->flag);
$this->assertEqual(count($flaggings_before), 2, 'There are two flaggings associated with the flag');
// Delete the flag.
$this->flag->delete();
// The list of all flaggings MUST now be empty.
$flaggings_after = $this->flagService->getFlaggings($this->flag);
$this->assertEmpty($flaggings_after, 'The flaggings were removed, when the flag was deleted');
// The flag id is now stale, so instead of searching for the flag in the
// count array as before we require the entire array should be empty.
$article1_counts_after = $this->flagCountService->getEntityFlagCounts($article1);
$this->assertEmpty($article1_counts_after, 'Article1 counts has been removed.');
$article2_counts_after = $this->flagCountService->getEntityFlagCounts($article2);
$this->assertEmpty($article2_counts_after, 'Article2 counts has been removed.');
}