Teach UI tests to know if a user should exist or not

tests/ui/features/bootstrap/BasicStructure.php

@@ -439,17 +439,17 @@ public function setUpScenarioGetRegularUsersAndGroups(
 	 */
 	public function tearDownScenarioDeleteCreatedUsersAndGroups() {
 		$baseUrl = $this->getMinkParameter("base_url");
-		foreach ($this->getCreatedUserNames() as $user) {
+		foreach ($this->getCreatedUsers() as $username => $user) {
 			$result = UserHelper::deleteUser(
 				$baseUrl,
-				$user,
+				$username,
 				"admin",
 				$this->getUserPassword("admin")
 			);
 
-			if ($result->getStatusCode() !== 200) {
+			if ($user['shouldHaveBeenCreated'] && ($result->getStatusCode() !== 200)) {
 				error_log(
-					"INFORMATION: could not delete user. '" . $user . "'"
+					"INFORMATION: could not delete user '" . $username . "' "
 					. $result->getStatusCode() . " " . $result->getBody()
 				);
 			}
@@ -558,12 +558,13 @@ public function getCreatedGroupNames() {
 	 * @return void
 	 */
 	public function addUserToCreatedUsersList(
-		$user, $password, $displayName = null, $email = null
+		$user, $password, $displayName = null, $email = null, $shouldHaveBeenCreated = true
 	) {
 		$this->createdUsers [$user] = [
 			"password" => $password,
 			"displayname" => $displayName,
-			"email" => $email
+			"email" => $email,
+			"shouldHaveBeenCreated" => $shouldHaveBeenCreated
 		];
 	}
 

tests/ui/features/bootstrap/UsersContext.php

@@ -82,15 +82,15 @@ public function quotaOfUserIsSetTo($username, $quota) {
 	}
 
 	/**
-	 * @When /^I create a user with the name "([^"]*)" (?:and )?the password "([^"]*)"(?: and the email "([^"]*)")?(?: that is a member of these groups)?$/
+	 * @When /^I (attempt to |)create a user with the name "([^"]*)" (?:and )?the password "([^"]*)"(?: and the email "([^"]*)")?(?: that is a member of these groups)?$/
 	 * @param string $username
 	 * @param string $password
 	 * @param string $email
 	 * @param TableNode $groupsTable table of groups with a heading | group |
 	 * @return void
 	 */
 	public function iCreateAUserInTheGUI(
-		$username, $password, $email=null, TableNode $groupsTable=null
+		$attemptTo, $username, $password, $email=null, TableNode $groupsTable=null
 	) {
 		if (!is_null($groupsTable)) {
 			$groups = $groupsTable->getColumn(0);
@@ -102,8 +102,11 @@ public function iCreateAUserInTheGUI(
 		$this->usersPage->createUser(
 			$this->getSession(), $username, $password, $email, $groups
 		);
+
+		$shouldHaveBeenCreated = ($attemptTo === "");
+
 		$this->featureContext->addUserToCreatedUsersList(
-			$username, $password, "", $email
+			$username, $password, "", $email, $shouldHaveBeenCreated
 		);
 		if (is_array($groups)) {
 			foreach ($groups as $group) {

tests/ui/features/other/login.feature

@@ -34,7 +34,7 @@ So that unauthorised access is impossible
 	Scenario Outline: use the webUI to create a user with special invalid characters
 		Given I am logged in as admin
 		And I am on the users page
-		When I create a user with the name <user> and the password <pwd>
+		When I attempt to create a user with the name <user> and the password <pwd>
 		Then notifications should be displayed with the text
 			|Error creating user: Only the following characters are allowed in a username: "a-z", "A-Z", "0-9", and "_.@-'"|
 		And I should be redirected to a page with the title "Users - ownCloud"
@@ -49,15 +49,15 @@ So that unauthorised access is impossible
 	Scenario: use the webUI to create a user with empty password
 		Given I am logged in as admin
 		And I am on the users page
-		When I create a user with the name "bijay" and the password ""
+		When I attempt to create a user with the name "bijay" and the password ""
 		Then notifications should be displayed with the text
 			|Error creating user: A valid password must be provided|
 		And I should be redirected to a page with the title "Users - ownCloud"
 
 	Scenario Outline: use the webUI to create a user with less than 3 characters
 		Given I am logged in as admin
 		And I am on the users page
-		When I create a user with the name <user> and the password <pwd>
+		When I attempt to create a user with the name <user> and the password <pwd>
 		Then notifications should be displayed with the text
 		|Error creating user: The username must be at least 3 characters long|
 		Examples: