feat: Implement get role mappings API endpoint

packages/backend/test/factories/role-mapping.js

@@ -0,0 +1,16 @@
+import { createRole } from './role.js';
+import { createSamlAuthProvider } from './saml-auth-provider.ee.js';
+import SamlAuthProviderRoleMapping from '../../src/models/saml-auth-providers-role-mapping.ee.js';
+
+export const createRoleMapping = async (params = {}) => {
+  params.roleId = params?.roleId || (await createRole()).id;
+  params.samlAuthProviderId =
+    params?.samlAuthProviderId || (await createSamlAuthProvider()).id;
+
+  params.remoteRoleName = params?.remoteRoleName || 'User';
+
+  const samlAuthProviderRoleMapping =
+    await SamlAuthProviderRoleMapping.query().insertAndFetch(params);
+
+  return samlAuthProviderRoleMapping;
+};

packages/backend/test/mocks/rest/api/v1/admin/saml-auth-providers/get-role-mappings.ee.js

@@ -0,0 +1,23 @@
+const getRoleMappingsMock = async (roleMappings) => {
+  const data = roleMappings.map((roleMapping) => {
+    return {
+      id: roleMapping.id,
+      samlAuthProviderId: roleMapping.samlAuthProviderId,
+      roleId: roleMapping.roleId,
+      remoteRoleName: roleMapping.remoteRoleName,
+    };
+  });
+
+  return {
+    data: data,
+    meta: {
+      count: data.length,
+      currentPage: null,
+      isArray: true,
+      totalPages: null,
+      type: 'SamlAuthProvidersRoleMapping',
+    },
+  };
+};
+
+export default getRoleMappingsMock;