/**
  * Tests the guessContactIdsByNameAndEmail method with deleted contacts in the
  * mix.
  *
  */
 public function testGuessContactIdsByNameAndEmailIgnoresDeletedContacts()
 {
     //
     // Test 1: Primary case: only one contact matches on name+email but it's
     // deleted. Should not match.
     //
     CRM_Mailchimp_Sync::createTemporaryTableForMailchimp();
     CRM_Core_DAO::executeQuery("INSERT INTO tmp_mailchimp_push_m (email, first_name, last_name)\n      VALUES (%1, %2, %3);", [1 => [static::$civicrm_contact_1['email'], 'String'], 2 => [static::$civicrm_contact_1['first_name'], 'String'], 3 => [static::$civicrm_contact_1['last_name'], 'String']]);
     // Delete (trash) the contact.
     civicrm_api3('Contact', 'delete', ['contact_id' => static::$civicrm_contact_1['contact_id']]);
     $result = CRM_Mailchimp_Sync::guessContactIdsByNameAndEmail();
     $this->assertEquals(0, $result);
     //
     // Test 2: Check if contact 2 shares the email address and name
     //
     // Contact 2 should be matched.
     // change contact2's name.
     civicrm_api3('Contact', 'create', ['contact_id' => static::$civicrm_contact_2['contact_id'], 'first_name' => static::$civicrm_contact_1['first_name'], 'last_name' => static::$civicrm_contact_1['last_name']]);
     // and email.
     civicrm_api3('Email', 'create', ['contact_id' => static::$civicrm_contact_2['contact_id'], 'email' => static::$civicrm_contact_1['email'], 'is_billing' => 1]);
     CRM_Mailchimp_Sync::dropTemporaryTables();
     CRM_Mailchimp_Sync::createTemporaryTableForMailchimp();
     CRM_Core_DAO::executeQuery("INSERT INTO tmp_mailchimp_push_m (email, first_name, last_name)\n      VALUES (%1, %2, %3);", [1 => [static::$civicrm_contact_1['email'], 'String'], 2 => [static::$civicrm_contact_1['first_name'], 'String'], 3 => [static::$civicrm_contact_1['last_name'], 'String']]);
     $result = CRM_Mailchimp_Sync::guessContactIdsByNameAndEmail();
     $this->assertEquals(1, $result);
     // Check the matched record did match contact 2.
     $result = CRM_Core_DAO::singleValueQuery('SELECT COUNT(*) c FROM tmp_mailchimp_push_m
   WHERE email = %1 AND cid_guess = ' . static::$civicrm_contact_2['contact_id'], [1 => [static::$civicrm_contact_1['email'], 'String']]);
     $this->assertEquals(1, $result);
     // Test 3: a third contact matches name and email - no longer unique, should
     // not match.
     $contact3 = civicrm_api3('Contact', 'create', ['contact_type' => 'Individual', 'first_name' => static::C_CONTACT_1_FIRST_NAME, 'last_name' => static::C_CONTACT_1_LAST_NAME, 'email' => static::$civicrm_contact_1['email']]);
     CRM_Mailchimp_Sync::dropTemporaryTables();
     CRM_Mailchimp_Sync::createTemporaryTableForMailchimp();
     CRM_Core_DAO::executeQuery("INSERT INTO tmp_mailchimp_push_m (email, first_name, last_name)\n      VALUES (%1, %2, %3);", [1 => [static::$civicrm_contact_1['email'], 'String'], 2 => [static::$civicrm_contact_1['first_name'], 'String'], 3 => [static::$civicrm_contact_1['last_name'], 'String']]);
     $result = CRM_Mailchimp_Sync::guessContactIdsByNameAndEmail();
     // Remove 3rd contact.
     civicrm_api3('Contact', 'delete', ['contact_id' => $contact3['id'], 'skip_undelete' => 1]);
     // check it did not match.
     $this->assertEquals(0, $result);
 }