fix: remove unused assertExists import

- unit: fixture shapes, mock API (GET/POST/PUT/DELETE + 409), mock DB CRUD
- integration: list, create, get, duplicate rejection, update, delete
- e2e: handler calls with mock context + real DB, covers 400/403/404/409

tests/e2e/modules_test.ts

@@ -0,0 +1,210 @@
+// #113 - E2E tests for /modules endpoints
+
+import { assertEquals } from "@std/assert";
+import {
+  makeContextWithAffiliation,
+  makeEmployeeContext,
+  makeGetRequest,
+  makeJsonRequest,
+} from "../helpers/handler.ts";
+import { seedModules, truncateAll } from "../helpers/db_integration.ts";
+import { handler as modulesHandler } from "$apps/admin/api/modules.ts";
+import { handler as moduleHandler } from "$apps/admin/api/modules/[idModule].ts";
+
+// --- GET /modules ---
+
+Deno.test({
+  name: "e2e modules: GET /modules returns all as employee",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "MATH101", nom: "Mathématiques" }, {
+      id: "INFO101",
+      nom: "Informatique",
+    }]);
+    const res = await modulesHandler.GET!(
+      makeGetRequest("/modules"),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.length, 2);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: GET /modules returns empty for non-employee",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "MATH101", nom: "Mathématiques" }]);
+    const res = await modulesHandler.GET!(
+      makeGetRequest("/modules"),
+      makeContextWithAffiliation("student"),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.length, 0);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- POST /modules ---
+
+Deno.test({
+  name: "e2e modules: POST /modules creates module (201)",
+  async fn() {
+    await truncateAll();
+    const res = await modulesHandler.POST!(
+      makeJsonRequest("/modules", "POST", { id: "PHYS101", nom: "Physique" }),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 201);
+    const body = await res.json();
+    assertEquals(body.id, "PHYS101");
+    assertEquals(body.nom, "Physique");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: POST /modules 409 on duplicate id",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "MATH101", nom: "Mathématiques" }]);
+    const res = await modulesHandler.POST!(
+      makeJsonRequest("/modules", "POST", { id: "MATH101", nom: "Doublon" }),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 409);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: POST /modules 400 on missing fields",
+  async fn() {
+    await truncateAll();
+    const res = await modulesHandler.POST!(
+      makeJsonRequest("/modules", "POST", { id: "X" }),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 400);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: POST /modules 403 for non-employee",
+  async fn() {
+    await truncateAll();
+    const res = await modulesHandler.POST!(
+      makeJsonRequest("/modules", "POST", { id: "X", nom: "Y" }),
+      makeContextWithAffiliation("student"),
+    );
+    assertEquals(res.status, 403);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- GET /modules/:id ---
+
+Deno.test({
+  name: "e2e modules: GET /modules/:id returns module",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "ELEC201", nom: "Électronique" }]);
+    const res = await moduleHandler.GET!(
+      makeGetRequest("/modules/ELEC201"),
+      makeEmployeeContext({ idModule: "ELEC201" }),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.nom, "Électronique");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: GET /modules/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await moduleHandler.GET!(
+      makeGetRequest("/modules/GHOST"),
+      makeEmployeeContext({ idModule: "GHOST" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- PUT /modules/:id ---
+
+Deno.test({
+  name: "e2e modules: PUT /modules/:id updates nom",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "CHIM101", nom: "Chimie" }]);
+    const res = await moduleHandler.PUT!(
+      makeJsonRequest("/modules/CHIM101", "PUT", { nom: "Chimie organique" }),
+      makeEmployeeContext({ idModule: "CHIM101" }),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.nom, "Chimie organique");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: PUT /modules/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await moduleHandler.PUT!(
+      makeJsonRequest("/modules/GHOST", "PUT", { nom: "X" }),
+      makeEmployeeContext({ idModule: "GHOST" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- DELETE /modules/:id ---
+
+Deno.test({
+  name: "e2e modules: DELETE /modules/:id returns 204",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "BIO101", nom: "Biologie" }]);
+    const res = await moduleHandler.DELETE!(
+      makeGetRequest("/modules/BIO101"),
+      makeEmployeeContext({ idModule: "BIO101" }),
+    );
+    assertEquals(res.status, 204);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e modules: DELETE /modules/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await moduleHandler.DELETE!(
+      makeGetRequest("/modules/GHOST"),
+      makeEmployeeContext({ idModule: "GHOST" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});

tests/e2e/roles_test.ts

@@ -0,0 +1,175 @@
+// #112 - E2E tests for /roles endpoints
+
+import { assertEquals, assertExists } from "@std/assert";
+import {
+  makeEmployeeContext,
+  makeGetRequest,
+  makeJsonRequest,
+} from "../helpers/handler.ts";
+import { seedRoles, testDb, truncateAll } from "../helpers/db_integration.ts";
+import { permissions } from "$root/databases/schema.ts";
+import { handler as rolesHandler } from "$apps/admin/api/roles.ts";
+import { handler as roleHandler } from "$apps/admin/api/roles/[idRole].ts";
+
+// --- GET /roles ---
+
+Deno.test({
+  name: "e2e roles: GET /roles returns all with permissions",
+  async fn() {
+    await truncateAll();
+    await seedRoles([{ nom: "admin" }, { nom: "employee" }]);
+    const res = await rolesHandler.GET!(
+      makeGetRequest("/roles"),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.length, 2);
+    assertExists(body[0].permissions);
+    assertEquals(Array.isArray(body[0].permissions), true);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- POST /roles ---
+
+Deno.test({
+  name: "e2e roles: POST /roles creates role (201)",
+  async fn() {
+    await truncateAll();
+    const res = await rolesHandler.POST!(
+      makeJsonRequest("/roles", "POST", { nom: "viewer" }),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 201);
+    const body = await res.json();
+    assertExists(body.id);
+    assertEquals(body.nom, "viewer");
+    assertEquals(body.permissions, []);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e roles: POST /roles 400 on missing nom",
+  async fn() {
+    await truncateAll();
+    const res = await rolesHandler.POST!(
+      makeJsonRequest("/roles", "POST", {}),
+      makeEmployeeContext(),
+    );
+    assertEquals(res.status, 400);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- GET /roles/:id ---
+
+Deno.test({
+  name: "e2e roles: GET /roles/:id returns role with permissions",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "admin" }]);
+    await testDb.insert(permissions).values([
+      { id: "student_read", nom: "Consulter les élèves" },
+    ]);
+    const res = await roleHandler.GET!(
+      makeGetRequest(`/roles/${role.id}`),
+      makeEmployeeContext({ idRole: String(role.id) }),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.nom, "admin");
+    assertEquals(Array.isArray(body.permissions), true);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e roles: GET /roles/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await roleHandler.GET!(
+      makeGetRequest("/roles/9999"),
+      makeEmployeeContext({ idRole: "9999" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- PUT /roles/:id ---
+
+Deno.test({
+  name: "e2e roles: PUT /roles/:id updates nom and permissions",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "employee" }]);
+    await testDb.insert(permissions).values([
+      { id: "note_read", nom: "Consulter les notes" },
+    ]);
+    const res = await roleHandler.PUT!(
+      makeJsonRequest(`/roles/${role.id}`, "PUT", {
+        nom: "teacher",
+        permissions: ["note_read"],
+      }),
+      makeEmployeeContext({ idRole: String(role.id) }),
+    );
+    assertEquals(res.status, 200);
+    const body = await res.json();
+    assertEquals(body.nom, "teacher");
+    assertEquals(body.permissions, ["note_read"]);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e roles: PUT /roles/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await roleHandler.PUT!(
+      makeJsonRequest("/roles/9999", "PUT", { nom: "ghost", permissions: [] }),
+      makeEmployeeContext({ idRole: "9999" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+// --- DELETE /roles/:id ---
+
+Deno.test({
+  name: "e2e roles: DELETE /roles/:id returns 204",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "moderator" }]);
+    const res = await roleHandler.DELETE!(
+      makeGetRequest(`/roles/${role.id}`),
+      makeEmployeeContext({ idRole: String(role.id) }),
+    );
+    assertEquals(res.status, 204);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "e2e roles: DELETE /roles/:id 404 when not found",
+  async fn() {
+    await truncateAll();
+    const res = await roleHandler.DELETE!(
+      makeGetRequest("/roles/9999"),
+      makeEmployeeContext({ idRole: "9999" }),
+    );
+    assertEquals(res.status, 404);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});

tests/integration/modules_test.ts

@@ -0,0 +1,104 @@
+// #113 - Integration tests for /modules endpoints
+
+import { assertEquals, assertExists, assertRejects } from "@std/assert";
+import { seedModules, testDb, truncateAll } from "../helpers/db_integration.ts";
+import { modules } from "$root/databases/schema.ts";
+import { eq } from "npm:drizzle-orm@0.45.2";
+
+Deno.test({
+  name: "integration modules: list all modules",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "MATH101", nom: "Mathématiques" }, {
+      id: "INFO101",
+      nom: "Informatique",
+    }]);
+    const rows = await testDb.select().from(modules);
+    assertEquals(rows.length, 2);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration modules: create and retrieve by id",
+  async fn() {
+    await truncateAll();
+    const [created] = await testDb.insert(modules).values({
+      id: "PHYS101",
+      nom: "Physique",
+    }).returning();
+    assertExists(created);
+    assertEquals(created.id, "PHYS101");
+
+    const row = await testDb
+      .select()
+      .from(modules)
+      .where(eq(modules.id, "PHYS101"))
+      .then((r) => r[0] ?? null);
+    assertExists(row);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration modules: get by id returns null when not found",
+  async fn() {
+    await truncateAll();
+    const row = await testDb
+      .select()
+      .from(modules)
+      .where(eq(modules.id, "NONEXISTENT"))
+      .then((r) => r[0] ?? null);
+    assertEquals(row, null);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration modules: duplicate id insert fails",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "MATH101", nom: "Mathématiques" }]);
+    await assertRejects(() =>
+      testDb.insert(modules).values({ id: "MATH101", nom: "Doublon" })
+    );
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration modules: update nom",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "ELEC201", nom: "Électronique" }]);
+    const [updated] = await testDb
+      .update(modules)
+      .set({ nom: "Électronique numérique" })
+      .where(eq(modules.id, "ELEC201"))
+      .returning();
+    assertEquals(updated.nom, "Électronique numérique");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration modules: delete removes the module",
+  async fn() {
+    await truncateAll();
+    await seedModules([{ id: "BIO101", nom: "Biologie" }]);
+    await testDb.delete(modules).where(eq(modules.id, "BIO101"));
+    const row = await testDb
+      .select()
+      .from(modules)
+      .where(eq(modules.id, "BIO101"))
+      .then((r) => r[0] ?? null);
+    assertEquals(row, null);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});

tests/integration/roles_test.ts

@@ -0,0 +1,123 @@
+// #112 - Integration tests for /roles endpoints
+
+import { assertEquals, assertExists } from "@std/assert";
+import { seedRoles, testDb, truncateAll } from "../helpers/db_integration.ts";
+import { permissions, rolePermissions, roles } from "$root/databases/schema.ts";
+import { eq } from "npm:drizzle-orm@0.45.2";
+
+Deno.test({
+  name: "integration roles: list all roles",
+  async fn() {
+    await truncateAll();
+    await seedRoles([{ nom: "admin" }, { nom: "employee" }]);
+    const rows = await testDb.select().from(roles);
+    assertEquals(rows.length, 2);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration roles: create and retrieve by id",
+  async fn() {
+    await truncateAll();
+    const [created] = await testDb.insert(roles).values({ nom: "viewer" })
+      .returning();
+    assertExists(created.id);
+    assertEquals(created.nom, "viewer");
+    const row = await testDb
+      .select()
+      .from(roles)
+      .where(eq(roles.id, created.id))
+      .then((r) => r[0] ?? null);
+    assertExists(row);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration roles: assign and retrieve permissions",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "admin" }]);
+    await testDb.insert(permissions).values([
+      { id: "student_read", nom: "Consulter les élèves" },
+      { id: "student_write", nom: "Gérer les élèves" },
+    ]);
+    await testDb.insert(rolePermissions).values([
+      { idRole: role.id, idPermission: "student_read" },
+      { idRole: role.id, idPermission: "student_write" },
+    ]);
+    const perms = await testDb
+      .select()
+      .from(rolePermissions)
+      .where(eq(rolePermissions.idRole, role.id));
+    assertEquals(perms.length, 2);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration roles: update role nom",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "employee" }]);
+    const [updated] = await testDb
+      .update(roles)
+      .set({ nom: "teacher" })
+      .where(eq(roles.id, role.id))
+      .returning();
+    assertEquals(updated.nom, "teacher");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration roles: reset permissions on update",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "admin" }]);
+    await testDb.insert(permissions).values([
+      { id: "note_read", nom: "Consulter les notes" },
+      { id: "note_write", nom: "Gérer les notes" },
+    ]);
+    await testDb.insert(rolePermissions).values([
+      { idRole: role.id, idPermission: "note_read" },
+    ]);
+    // reset
+    await testDb.delete(rolePermissions).where(
+      eq(rolePermissions.idRole, role.id),
+    );
+    await testDb.insert(rolePermissions).values([
+      { idRole: role.id, idPermission: "note_write" },
+    ]);
+    const perms = await testDb
+      .select()
+      .from(rolePermissions)
+      .where(eq(rolePermissions.idRole, role.id));
+    assertEquals(perms.length, 1);
+    assertEquals(perms[0].idPermission, "note_write");
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});
+
+Deno.test({
+  name: "integration roles: delete role removes it",
+  async fn() {
+    await truncateAll();
+    const [role] = await seedRoles([{ nom: "moderator" }]);
+    await testDb.delete(roles).where(eq(roles.id, role.id));
+    const row = await testDb
+      .select()
+      .from(roles)
+      .where(eq(roles.id, role.id))
+      .then((r) => r[0] ?? null);
+    assertEquals(row, null);
+  },
+  sanitizeResources: false,
+  sanitizeOps: false,
+});

tests/unit/modules_test.ts

@@ -0,0 +1,171 @@
+// #113 - Unit tests for /modules endpoints
+
+import { assertEquals, assertExists } from "@std/assert";
+import { mockFetch, restoreFetch } from "../helpers/api_mock.ts";
+import { createMockDb } from "../helpers/db_mock.ts";
+import { type Module, modules } from "../helpers/fixtures.ts";
+
+// --- Fixtures ---
+
+Deno.test("modules: fixtures have correct shape", () => {
+  assertEquals(modules.length, 3);
+  assertEquals(typeof modules[0].id, "string");
+  assertEquals(typeof modules[0].nom, "string");
+});
+
+// --- Mock API ---
+
+Deno.test("mock API: GET /modules returns list", async () => {
+  mockFetch({ "/modules": modules });
+  try {
+    const res = await fetch("http://localhost/api/modules");
+    assertEquals(res.status, 200);
+    const data: Module[] = await res.json();
+    assertEquals(data.length, 3);
+    assertExists(data.find((m) => m.id === "JIN702C"));
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: GET /modules/:id returns one module", async () => {
+  mockFetch({ "/modules/JIN702C": modules[0] });
+  try {
+    const res = await fetch("http://localhost/api/modules/JIN702C");
+    assertEquals(res.status, 200);
+    const data: Module = await res.json();
+    assertEquals(data.id, "JIN702C");
+    assertEquals(data.nom, "Optimisation");
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: GET /modules/:id 404 when not found", async () => {
+  mockFetch({
+    "/modules/UNKNOWN": {
+      status: 404,
+      body: { error: "Ressource introuvable" },
+    },
+  });
+  try {
+    const res = await fetch("http://localhost/api/modules/UNKNOWN");
+    assertEquals(res.status, 404);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: POST /modules creates module (201)", async () => {
+  const newModule: Module = { id: "NEW101", nom: "Nouveau Module" };
+  mockFetch({ "/modules": { method: "POST", status: 201, body: newModule } });
+  try {
+    const res = await fetch("http://localhost/api/modules", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify(newModule),
+    });
+    assertEquals(res.status, 201);
+    const data: Module = await res.json();
+    assertEquals(data.id, "NEW101");
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: POST /modules 409 on duplicate id", async () => {
+  mockFetch({
+    "/modules": {
+      method: "POST",
+      status: 409,
+      body: { error: "Un module avec cet identifiant existe déjà" },
+    },
+  });
+  try {
+    const res = await fetch("http://localhost/api/modules", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify(modules[0]),
+    });
+    assertEquals(res.status, 409);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: POST /modules 400 on missing fields", async () => {
+  mockFetch({ "/modules": { method: "POST", status: 400 } });
+  try {
+    const res = await fetch("http://localhost/api/modules", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({ id: "X" }),
+    });
+    assertEquals(res.status, 400);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: PUT /modules/:id updates nom", async () => {
+  const updated: Module = { id: "JIN702C", nom: "Optimisation avancée" };
+  mockFetch({
+    "/modules/JIN702C": { method: "PUT", status: 200, body: updated },
+  });
+  try {
+    const res = await fetch("http://localhost/api/modules/JIN702C", {
+      method: "PUT",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({ nom: "Optimisation avancée" }),
+    });
+    assertEquals(res.status, 200);
+    const data: Module = await res.json();
+    assertEquals(data.nom, "Optimisation avancée");
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: DELETE /modules/:id returns 204", async () => {
+  mockFetch({ "/modules/JIN702C": { method: "DELETE", status: 204 } });
+  try {
+    const res = await fetch("http://localhost/api/modules/JIN702C", {
+      method: "DELETE",
+    });
+    assertEquals(res.status, 204);
+  } finally {
+    restoreFetch();
+  }
+});
+
+// --- Mock DB ---
+
+Deno.test("mock DB: find module by id", () => {
+  const db = createMockDb({ tables: { modules: [...modules] } });
+  const m = db.findOne<Module>("modules", (m) => m.id === "JIN702C");
+  assertExists(m);
+  assertEquals(m.nom, "Optimisation");
+});
+
+Deno.test("mock DB: insert module", () => {
+  const db = createMockDb({ tables: { modules: [...modules] } });
+  db.insert<Module>("modules", { id: "NEW101", nom: "Nouveau" });
+  assertEquals(db.getTable("modules").length, 4);
+});
+
+Deno.test("mock DB: update module nom", () => {
+  const db = createMockDb({ tables: { modules: [...modules] } });
+  db.updateWhere<Module>("modules", (m) => m.id === "JIN702C", {
+    nom: "Updated",
+  });
+  assertEquals(
+    db.findOne<Module>("modules", (m) => m.id === "JIN702C")?.nom,
+    "Updated",
+  );
+});
+
+Deno.test("mock DB: delete module", () => {
+  const db = createMockDb({ tables: { modules: [...modules] } });
+  db.deleteWhere<Module>("modules", (m) => m.id === "JIN702C");
+  assertEquals(db.getTable("modules").length, 2);
+});

tests/unit/roles_test.ts

@@ -0,0 +1,159 @@
+// #112 - Unit tests for /roles endpoints
+
+import { assertEquals, assertExists } from "@std/assert";
+import { mockFetch, restoreFetch } from "../helpers/api_mock.ts";
+import { createMockDb } from "../helpers/db_mock.ts";
+
+interface Role {
+  id: number;
+  nom: string;
+  permissions: string[];
+}
+
+const roles: Role[] = [
+  { id: 1, nom: "admin", permissions: ["student_read", "student_write"] },
+  { id: 2, nom: "employee", permissions: ["student_read"] },
+];
+
+// --- Fixtures ---
+
+Deno.test("roles: fixtures have correct shape", () => {
+  assertEquals(roles.length, 2);
+  assertEquals(typeof roles[0].id, "number");
+  assertEquals(typeof roles[0].nom, "string");
+  assertEquals(Array.isArray(roles[0].permissions), true);
+});
+
+Deno.test("roles: permissions are strings", () => {
+  assertEquals(roles[0].permissions.every((p) => typeof p === "string"), true);
+});
+
+// --- Mock API ---
+
+Deno.test("mock API: GET /roles returns list with permissions", async () => {
+  mockFetch({ "/roles": roles });
+  try {
+    const res = await fetch("http://localhost/api/roles");
+    assertEquals(res.status, 200);
+    const data: Role[] = await res.json();
+    assertEquals(data.length, 2);
+    assertExists(data.find((r) => r.nom === "admin"));
+    assertEquals(data[0].permissions.length, 2);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: GET /roles/:id returns role", async () => {
+  mockFetch({ "/roles/1": roles[0] });
+  try {
+    const res = await fetch("http://localhost/api/roles/1");
+    assertEquals(res.status, 200);
+    const data: Role = await res.json();
+    assertEquals(data.nom, "admin");
+    assertEquals(data.permissions.length, 2);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: GET /roles/:id 404 when not found", async () => {
+  mockFetch({
+    "/roles/99": { status: 404, body: { error: "Ressource introuvable" } },
+  });
+  try {
+    const res = await fetch("http://localhost/api/roles/99");
+    assertEquals(res.status, 404);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: POST /roles creates role (201)", async () => {
+  const newRole: Role = { id: 3, nom: "viewer", permissions: [] };
+  mockFetch({ "/roles": { method: "POST", status: 201, body: newRole } });
+  try {
+    const res = await fetch("http://localhost/api/roles", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({ nom: "viewer" }),
+    });
+    assertEquals(res.status, 201);
+    const data: Role = await res.json();
+    assertEquals(data.nom, "viewer");
+    assertEquals(data.permissions.length, 0);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: POST /roles 400 on missing nom", async () => {
+  mockFetch({ "/roles": { method: "POST", status: 400 } });
+  try {
+    const res = await fetch("http://localhost/api/roles", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({}),
+    });
+    assertEquals(res.status, 400);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: PUT /roles/:id updates role and permissions", async () => {
+  const updated: Role = { id: 2, nom: "teacher", permissions: ["note_read"] };
+  mockFetch({ "/roles/2": { method: "PUT", status: 200, body: updated } });
+  try {
+    const res = await fetch("http://localhost/api/roles/2", {
+      method: "PUT",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({ nom: "teacher", permissions: ["note_read"] }),
+    });
+    assertEquals(res.status, 200);
+    const data: Role = await res.json();
+    assertEquals(data.nom, "teacher");
+    assertEquals(data.permissions, ["note_read"]);
+  } finally {
+    restoreFetch();
+  }
+});
+
+Deno.test("mock API: DELETE /roles/:id returns 204", async () => {
+  mockFetch({ "/roles/2": { method: "DELETE", status: 204 } });
+  try {
+    const res = await fetch("http://localhost/api/roles/2", {
+      method: "DELETE",
+    });
+    assertEquals(res.status, 204);
+  } finally {
+    restoreFetch();
+  }
+});
+
+// --- Mock DB ---
+
+Deno.test("mock DB: find role by id", () => {
+  const db = createMockDb({ tables: { roles: [...roles] } });
+  const r = db.findOne<Role>("roles", (r) => r.id === 1);
+  assertExists(r);
+  assertEquals(r.nom, "admin");
+});
+
+Deno.test("mock DB: insert role", () => {
+  const db = createMockDb({ tables: { roles: [...roles] } });
+  db.insert<Role>("roles", { id: 3, nom: "viewer", permissions: [] });
+  assertEquals(db.getTable("roles").length, 3);
+});
+
+Deno.test("mock DB: update role nom", () => {
+  const db = createMockDb({ tables: { roles: [...roles] } });
+  db.updateWhere<Role>("roles", (r) => r.id === 2, { nom: "teacher" });
+  assertEquals(db.findOne<Role>("roles", (r) => r.id === 2)?.nom, "teacher");
+});
+
+Deno.test("mock DB: delete role", () => {
+  const db = createMockDb({ tables: { roles: [...roles] } });
+  db.deleteWhere<Role>("roles", (r) => r.id === 1);
+  assertEquals(db.getTable("roles").length, 1);
+});