test(status): add coverage for update summary + timestamps

src/commands/status.update.test.ts

@@ -0,0 +1,108 @@
+import { describe, expect, it } from "vitest";
+import type { UpdateCheckResult } from "../infra/update-check.js";
+import { VERSION } from "../version.js";
+import { formatUpdateOneLiner, resolveUpdateAvailability } from "./status.update.js";
+
+function buildUpdate(partial: Partial<UpdateCheckResult>): UpdateCheckResult {
+  return {
+    root: null,
+    installKind: "unknown",
+    packageManager: "unknown",
+    ...partial,
+  };
+}
+
+function nextMajorVersion(version: string): string {
+  const [majorPart] = version.split(".");
+  const major = Number.parseInt(majorPart ?? "", 10);
+  if (Number.isFinite(major) && major >= 0) {
+    return `${major + 1}.0.0`;
+  }
+  return "999999.0.0";
+}
+
+describe("resolveUpdateAvailability", () => {
+  it("flags git update when behind upstream", () => {
+    const update = buildUpdate({
+      installKind: "git",
+      git: {
+        root: "/tmp/repo",
+        sha: null,
+        tag: null,
+        branch: "main",
+        upstream: "origin/main",
+        dirty: false,
+        ahead: 0,
+        behind: 3,
+        fetchOk: true,
+      },
+    });
+    expect(resolveUpdateAvailability(update)).toEqual({
+      available: true,
+      hasGitUpdate: true,
+      hasRegistryUpdate: false,
+      latestVersion: null,
+      gitBehind: 3,
+    });
+  });
+
+  it("flags registry update when latest version is newer", () => {
+    const latestVersion = nextMajorVersion(VERSION);
+    const update = buildUpdate({
+      installKind: "package",
+      packageManager: "pnpm",
+      registry: { latestVersion },
+    });
+    const availability = resolveUpdateAvailability(update);
+    expect(availability.available).toBe(true);
+    expect(availability.hasGitUpdate).toBe(false);
+    expect(availability.hasRegistryUpdate).toBe(true);
+    expect(availability.latestVersion).toBe(latestVersion);
+  });
+});
+
+describe("formatUpdateOneLiner", () => {
+  it("renders git status and registry latest summary", () => {
+    const update = buildUpdate({
+      installKind: "git",
+      git: {
+        root: "/tmp/repo",
+        sha: "abc123456789",
+        tag: null,
+        branch: "main",
+        upstream: "origin/main",
+        dirty: true,
+        ahead: 0,
+        behind: 2,
+        fetchOk: true,
+      },
+      registry: { latestVersion: VERSION },
+      deps: {
+        manager: "pnpm",
+        status: "ok",
+        lockfilePath: "pnpm-lock.yaml",
+        markerPath: "node_modules/.modules.yaml",
+      },
+    });
+
+    expect(formatUpdateOneLiner(update)).toBe(
+      `Update: git main · ↔ origin/main · dirty · behind 2 · npm latest ${VERSION} · deps ok`,
+    );
+  });
+
+  it("renders package-manager mode with registry error", () => {
+    const update = buildUpdate({
+      installKind: "package",
+      packageManager: "npm",
+      registry: { latestVersion: null, error: "offline" },
+      deps: {
+        manager: "npm",
+        status: "missing",
+        lockfilePath: "package-lock.json",
+        markerPath: "node_modules",
+      },
+    });
+
+    expect(formatUpdateOneLiner(update)).toBe("Update: npm · npm latest unknown · deps missing");
+  });
+});