test: cover shared installer flow helpers

src/infra/install-mode-options.test.ts

@@ -0,0 +1,51 @@
+import { describe, expect, it } from "vitest";
+import {
+  resolveInstallModeOptions,
+  resolveTimedInstallModeOptions,
+} from "./install-mode-options.js";
+
+describe("install mode option helpers", () => {
+  it("applies logger, mode, and dryRun defaults", () => {
+    const logger = { warn: (_message: string) => {} };
+    const result = resolveInstallModeOptions({}, logger);
+
+    expect(result).toEqual({
+      logger,
+      mode: "install",
+      dryRun: false,
+    });
+  });
+
+  it("preserves explicit mode and dryRun values", () => {
+    const logger = { warn: (_message: string) => {} };
+    const result = resolveInstallModeOptions(
+      {
+        logger,
+        mode: "update",
+        dryRun: true,
+      },
+      { warn: () => {} },
+    );
+
+    expect(result).toEqual({
+      logger,
+      mode: "update",
+      dryRun: true,
+    });
+  });
+
+  it("uses default timeout when not provided", () => {
+    const logger = { warn: (_message: string) => {} };
+    const result = resolveTimedInstallModeOptions({}, logger);
+
+    expect(result.timeoutMs).toBe(120_000);
+    expect(result.mode).toBe("install");
+    expect(result.dryRun).toBe(false);
+  });
+
+  it("honors custom timeout default override", () => {
+    const result = resolveTimedInstallModeOptions({}, { warn: () => {} }, 5000);
+
+    expect(result.timeoutMs).toBe(5000);
+  });
+});