Add import template into tui. Fix tests that fail on macos. Fix some updates.

tests/utils/load-template-from-file.test.ts

@@ -0,0 +1,78 @@
+import { existsSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import path from "node:path";
+import { afterEach, beforeEach, describe, expect, test } from "vitest";
+
+import { parseTemplate } from "@xo-cash/utils";
+
+import {
+  loadTemplateFromFile,
+  TemplateLoadError,
+} from "../../src/utils/load-template-from-file.js";
+import { p2pkhTemplate } from "../cli/mocks/template-p2pkh.js";
+
+describe("loadTemplateFromFile", () => {
+  let tempRoot: string;
+
+  beforeEach(() => {
+    tempRoot = mkdtempSync(path.join(tmpdir(), "xo-load-template-"));
+  });
+
+  afterEach(() => {
+    if (existsSync(tempRoot)) {
+      rmSync(tempRoot, { recursive: true, force: true });
+    }
+  });
+
+  test("loads JSON templates directly", async () => {
+    const jsonPath = path.join(tempRoot, "template.json");
+    writeFileSync(jsonPath, JSON.stringify(p2pkhTemplate));
+
+    const contents = await loadTemplateFromFile(jsonPath);
+    const parsed = parseTemplate(contents);
+
+    expect(parsed.name).toBe(p2pkhTemplate.name);
+  });
+
+  test("loads TypeScript templates via child process", async () => {
+    const tsTemplatePath = path.resolve(
+      process.cwd(),
+      "../templates/source/p2pkh.ts",
+    );
+    expect(existsSync(tsTemplatePath)).toBe(true);
+
+    const contents = await loadTemplateFromFile(tsTemplatePath);
+    const parsed = parseTemplate(contents);
+
+    expect(parsed.name).toBe("Wallet (P2PKH)");
+  });
+
+  test("loads JavaScript templates via child process", async () => {
+    const jsPath = path.join(tempRoot, "template.mjs");
+    writeFileSync(
+      jsPath,
+      `export default ${JSON.stringify(p2pkhTemplate)};\n`,
+      "utf8",
+    );
+
+    const contents = await loadTemplateFromFile(jsPath);
+    const parsed = parseTemplate(contents);
+
+    expect(parsed.name).toBe(p2pkhTemplate.name);
+  });
+
+  test("throws TemplateLoadError for missing files", async () => {
+    await expect(
+      loadTemplateFromFile(path.join(tempRoot, "missing.json")),
+    ).rejects.toBeInstanceOf(TemplateLoadError);
+  });
+
+  test("throws TemplateLoadError for unsupported extensions", async () => {
+    const txtPath = path.join(tempRoot, "template.txt");
+    writeFileSync(txtPath, "hello");
+
+    await expect(loadTemplateFromFile(txtPath)).rejects.toThrow(
+      /Unsupported template file extension/,
+    );
+  });
+});