Add httpd test fixture to vitest httpd-api tests

This fixture is simil to the way Playwright handles fixtures, which are
being setup and teardown for each test.

Signed-off-by: Sebastian Martinez <me@sebastinez.dev>

httpd-client/tests/support/fixtures.ts

@@ -0,0 +1,32 @@
+import * as FsSync from "node:fs";
+import * as Path from "node:path";
+import { test } from "vitest";
+
+import { HttpdClient } from "@httpd-client";
+import { RadiclePeer, createPeerManager } from "@tests/support/peerManager.js";
+import { gitOptions } from "@tests/support/fixtures.js";
+import { tmpDir } from "@tests/support/support.js";
+
+interface TestFixtures {
+  httpd: { api: HttpdClient; peer: RadiclePeer };
+}
+
+export const testFixture = test.extend<TestFixtures>({
+  // eslint-disable-next-line no-empty-pattern
+  httpd: async ({}, use) => {
+    const peerManager = await createPeerManager({
+      dataDir: Path.resolve(Path.join(tmpDir, "peers")),
+      outputLog: FsSync.createWriteStream(
+        Path.join(tmpDir, "peerManager.log"),
+      ).setMaxListeners(16),
+    });
+    const peer = await peerManager.startPeer({
+      name: "palm",
+      gitOptions: gitOptions["alice"],
+    });
+    await peer.startHttpd();
+    const api = new HttpdClient(peer.httpdBaseUrl);
+    await use({ api, peer });
+    await peer.stopHttpd();
+  },
+});

httpd-client/tests/support/httpd.ts

@@ -0,0 +1,24 @@
+import type { HttpdClient } from "@httpd-client";
+import type { RadiclePeer } from "@tests/support/peerManager.js";
+
+import { sessionPayloadSchema } from "@httpd-client/lib/session.js";
+
+export async function authenticate(
+  api: HttpdClient,
+  peer: RadiclePeer,
+): Promise<string> {
+  const { stdout } = await peer.rad(["web", "--backend", api.url, "--json"]);
+  const session = sessionPayloadSchema.safeParse(JSON.parse(stdout));
+
+  if (!session.success) {
+    throw new Error("Failed to parse session payload");
+  }
+
+  const { sessionId, signature, publicKey } = session.data;
+  await api.session.update(sessionId, {
+    sig: signature,
+    pk: publicKey,
+  });
+
+  return sessionId;
+}