public function testViewGuestBookWithEntries() { $GuestBook = new GuestBook(); $GuestBook->add('Bob', 'Hi, I\'m Bob.'); $GuestBook->add('Tom', 'Hi, I\'m Tom.'); $entries = $GuestBook->viewAll(); $this->assertGreaterThan(0, count($entries)); $this->assertTrue(is_array($entries)); foreach ($entries as $entry) { $this->assertTrue(is_array($entry)); $this->assertArrayHasKey('name', $entry); $this->assertArrayHasKey('message', $entry); } }