test: add vitest unit tests and Gitea Actions CI workflow

Covers secrets encryption, Nixpacks runtime-version detection, the
admin-session middleware, and the installations state machine. CI
runs the same build+test steps on every push via .gitea/workflows/ci.yml.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/server/src/build/nixpacks.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it } from "vitest";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { detectNodeVersion } from "./nixpacks.js";
+
+function mkTmpRepo(): string {
+  return fs.mkdtempSync(path.join(os.tmpdir(), "nixpacks-test-"));
+}
+
+describe("detectNodeVersion", () => {
+  it("reads the major version from .nvmrc", () => {
+    const dir = mkTmpRepo();
+    fs.writeFileSync(path.join(dir, ".nvmrc"), "20.11.0\n");
+    expect(detectNodeVersion(dir)).toBe("20");
+  });
+
+  it("prefers .nvmrc over package.json when both are present", () => {
+    const dir = mkTmpRepo();
+    fs.writeFileSync(path.join(dir, ".nvmrc"), "18\n");
+    fs.writeFileSync(path.join(dir, "package.json"), JSON.stringify({ engines: { node: ">=22" } }));
+    expect(detectNodeVersion(dir)).toBe("18");
+  });
+
+  it("falls back to package.json engines.node", () => {
+    const dir = mkTmpRepo();
+    fs.writeFileSync(path.join(dir, "package.json"), JSON.stringify({ engines: { node: ">=20.0.0" } }));
+    expect(detectNodeVersion(dir)).toBe("20");
+  });
+
+  it("returns undefined when there is no version hint", () => {
+    const dir = mkTmpRepo();
+    expect(detectNodeVersion(dir)).toBeUndefined();
+  });
+
+  it("returns undefined for malformed package.json instead of throwing", () => {
+    const dir = mkTmpRepo();
+    fs.writeFileSync(path.join(dir, "package.json"), "{not valid json");
+    expect(detectNodeVersion(dir)).toBeUndefined();
+  });
+});

apps/server/src/crypto/secrets.test.ts

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+import { describe, expect, it, beforeAll } from "vitest";
+import { encryptSecret, decryptSecret, generateBearerToken } from "./secrets.js";
+
+beforeAll(() => {
+  process.env.MASTER_KEY = "test-master-key-at-least-32-characters-long";
+});
+
+describe("secrets", () => {
+  it("round-trips an encrypted value", () => {
+    const encrypted = encryptSecret("hello world");
+    expect(encrypted).not.toContain("hello world");
+    expect(decryptSecret(encrypted)).toBe("hello world");
+  });
+
+  it("fails to decrypt with a tampered ciphertext", () => {
+    const encrypted = encryptSecret("hello world");
+    const tampered = Buffer.from(encrypted, "base64");
+    tampered[tampered.length - 1] ^= 0xff;
+    expect(() => decryptSecret(tampered.toString("base64"))).toThrow();
+  });
+
+  it("generates distinct bearer tokens", () => {
+    expect(generateBearerToken()).not.toBe(generateBearerToken());
+  });
+});

apps/server/src/db/installations.test.ts

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+import { describe, expect, it } from "vitest";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+// db/index.ts opens the sqlite file as a side effect of being imported, using config
+// derived from DATA_DIR/DB_PATH — so these must be set before the dynamic import below.
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "mcpmgr-db-test-"));
+process.env.DATA_DIR = tmpDir;
+process.env.DB_PATH = path.join(tmpDir, "db.sqlite");
+process.env.MASTER_KEY = "test-master-key-at-least-32-characters-long";
+
+const { createInstallation, updateInstallation, getInstallationById, slugify } = await import("./installations.js");
+
+describe("slugify", () => {
+  it("normalizes names into a URL/container-safe slug", () => {
+    expect(slugify("My Cool MCP!")).toBe("my-cool-mcp");
+  });
+});
+
+describe("installations repository", () => {
+  it("creates a draft installation with a derived container name", () => {
+    const installation = createInstallation({
+      name: "Test MCP",
+      slug: "test-mcp",
+      repoUrl: "https://example.com/repo.git",
+    });
+
+    expect(installation.status).toBe("draft");
+    expect(installation.containerName).toBe("mcp-test-mcp");
+  });
+
+  it("persists status transitions", () => {
+    const installation = createInstallation({
+      name: "State MCP",
+      slug: "state-mcp",
+      repoUrl: "https://example.com/repo.git",
+    });
+
+    updateInstallation(installation.id, { status: "building" });
+    updateInstallation(installation.id, { status: "built", imageTag: "mcpmgr/state-mcp:latest" });
+    const final = updateInstallation(installation.id, { status: "running", bearerToken: "secret-token" });
+
+    expect(final.status).toBe("running");
+    expect(final.imageTag).toBe("mcpmgr/state-mcp:latest");
+    expect(getInstallationById(installation.id)?.status).toBe("running");
+  });
+
+  it("round-trips encrypted env vars", () => {
+    const installation = createInstallation({
+      name: "Env MCP",
+      slug: "env-mcp",
+      repoUrl: "https://example.com/repo.git",
+    });
+
+    const updated = updateInstallation(installation.id, { env: { FOO: "bar", API_KEY: "shh" } });
+
+    expect(updated.env).toEqual({ FOO: "bar", API_KEY: "shh" });
+    expect(getInstallationById(installation.id)?.env).toEqual({ FOO: "bar", API_KEY: "shh" });
+  });
+});

apps/server/src/middleware/requireAuth.test.ts

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+import { describe, expect, it, vi } from "vitest";
+import type { Request, Response } from "express";
+import { requireAuth } from "./requireAuth.js";
+
+function mockRes() {
+  const res = {} as Response;
+  res.status = vi.fn().mockReturnValue(res);
+  res.json = vi.fn().mockReturnValue(res);
+  return res;
+}
+
+describe("requireAuth", () => {
+  it("calls next when the session is authenticated", () => {
+    const req = { session: { authenticated: true } } as unknown as Request;
+    const res = mockRes();
+    const next = vi.fn();
+
+    requireAuth(req, res, next);
+
+    expect(next).toHaveBeenCalledOnce();
+    expect(res.status).not.toHaveBeenCalled();
+  });
+
+  it("rejects with 401 when the session is not authenticated", () => {
+    const req = { session: {} } as unknown as Request;
+    const res = mockRes();
+    const next = vi.fn();
+
+    requireAuth(req, res, next);
+
+    expect(next).not.toHaveBeenCalled();
+    expect(res.status).toHaveBeenCalledWith(401);
+    expect(res.json).toHaveBeenCalledWith({ error: "authentication required" });
+  });
+});