Add Role::listNames()

Author: Art4

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - New method `Redmine\Api\Group::listNames()` for listing the ids and names of all groups.
 - New method `Redmine\Api\IssueCategory::listNamesByProject()` for listing the ids and names of all issue categories of a project.
 - New method `Redmine\Api\IssueStatus::listNames()` for listing the ids and names of all issue statuses.
+- New method `Redmine\Api\Role::listNames()` for listing the ids and names of all roles.
 
 ### Deprecated
 

src/Redmine/Api/Role.php

@@ -19,6 +19,8 @@ class Role extends AbstractApi
 {
     private $roles = [];
 
+    private $roleNames = null;
+
     /**
      * List roles.
      *
@@ -39,6 +41,29 @@ final public function list(array $params = []): array
         }
     }
 
+    /**
+     * Returns an array of all roles with id/name pairs.
+     *
+     * @return array<int,string> list of roles (id => name)
+     */
+    final public function listNames(): array
+    {
+        if ($this->roleNames !== null) {
+            return $this->roleNames;
+        }
+
+        $this->roleNames = [];
+        $list = $this->list();
+
+        if (array_key_exists('roles', $list)) {
+            foreach ($list['roles'] as $role) {
+                $this->roleNames[(int) $role['id']] = $role['name'];
+            }
+        }
+
+        return $this->roleNames;
+    }
+
     /**
      * List roles.
      *

tests/Behat/Bootstrap/RoleContextTrait.php

@@ -44,4 +44,18 @@ public function iListAllRoles()
             $api->getLastResponse(),
         );
     }
+
+    /**
+     * @When I list all role names
+     */
+    public function iListAllRoleNames()
+    {
+        /** @var Role */
+        $api = $this->getNativeCurlClient()->getApi('role');
+
+        $this->registerClientResponse(
+            $api->listNames(),
+            $api->getLastResponse(),
+        );
+    }
 }

tests/Behat/features/role.feature

@@ -39,3 +39,17 @@ Feature: Interacting with the REST API for roles
             | property              | value                |
             | id                    | 4                    |
             | name                  | Developer            |
+
+    Scenario: Listing of multiple role names
+        Given I have a "NativeCurlClient" client
+        And I have a role with the name "Reporter"
+        And I have a role with the name "Developer"
+        When I list all role names
+        Then the response has the status code "200"
+        And the response has the content type "application/json"
+        And the returned data is an array
+        And the returned data contains "2" items
+        And the returned data contains the following data
+            | property              | value                |
+            | 3                     | Reporter             |
+            | 4                     | Developer            |

tests/Unit/Api/Role/ListNamesTest.php

@@ -0,0 +1,108 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Redmine\Tests\Unit\Api\Role;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+use Redmine\Api\Role;
+use Redmine\Tests\Fixtures\AssertingHttpClient;
+
+#[CoversClass(Role::class)]
+class ListNamesTest extends TestCase
+{
+    /**
+     * @dataProvider getListNamesData
+     */
+    #[DataProvider('getListNamesData')]
+    public function testListNamesReturnsCorrectResponse($expectedPath, $responseCode, $response, $expectedResponse)
+    {
+        $client = AssertingHttpClient::create(
+            $this,
+            [
+                'GET',
+                $expectedPath,
+                'application/json',
+                '',
+                $responseCode,
+                'application/json',
+                $response,
+            ],
+        );
+
+        // Create the object under test
+        $api = new Role($client);
+
+        // Perform the tests
+        $this->assertSame($expectedResponse, $api->listNames());
+    }
+
+    public static function getListNamesData(): array
+    {
+        return [
+            'test without roles' => [
+                '/roles.json',
+                201,
+                <<<JSON
+                {
+                    "roles": []
+                }
+                JSON,
+                [],
+            ],
+            'test with multiple roles' => [
+                '/roles.json',
+                201,
+                <<<JSON
+                {
+                    "roles": [
+                        {"id": 7, "name": "Role 3"},
+                        {"id": 8, "name": "Role 2"},
+                        {"id": 9, "name": "Role 1"}
+                    ]
+                }
+                JSON,
+                [
+                    7 => "Role 3",
+                    8 => "Role 2",
+                    9 => "Role 1",
+                ],
+            ],
+        ];
+    }
+
+    public function testListNamesCallsHttpClientOnlyOnce()
+    {
+        $client = AssertingHttpClient::create(
+            $this,
+            [
+                'GET',
+                '/roles.json',
+                'application/json',
+                '',
+                200,
+                'application/json',
+                <<<JSON
+                {
+                    "roles": [
+                        {
+                            "id": 1,
+                            "name": "Role 1"
+                        }
+                    ]
+                }
+                JSON,
+            ],
+        );
+
+        // Create the object under test
+        $api = new Role($client);
+
+        // Perform the tests
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+    }
+}