Tests. Autocomplete. Few Fixes. Mocks for Electrum Service. Template-to-Json parser. Fix global paths. Use IO Dependency injection for logging from cli. Additional commands in CLI.

tests/cli/mnemonic.test.ts

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+import { expect, test, describe, beforeEach, afterEach } from "vitest";
+import { existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import path from "node:path";
+
+import {
+  createMnemonicSeed,
+  createMnemonicFile,
+  resolveMnemonicFilePath,
+  loadMnemonic,
+  listMnemonicFiles,
+} from "../../src/cli/mnemonic";
+import { BCHMnemonicURL } from "../../src/utils/bch-mnemonic-url";
+
+const TEST_SEED = "page pencil stock planet limb cluster assault speak off joke private pioneer";
+
+describe("mnemonic utilities", () => {
+  let tempDir: string;
+
+  beforeEach(() => {
+    tempDir = path.join(tmpdir(), `xo-cli-mnemonic-utils-test-${Date.now()}`);
+    mkdirSync(tempDir, { recursive: true });
+  });
+
+  afterEach(() => {
+    rmSync(tempDir, { recursive: true, force: true });
+  });
+
+  describe("createMnemonicSeed", () => {
+    test("generates a valid BIP39 mnemonic", () => {
+      const mnemonic = createMnemonicSeed();
+
+      expect(typeof mnemonic).toBe("string");
+      const words = mnemonic.split(" ");
+      expect(words.length).toBe(12);
+    });
+
+    test("generates unique mnemonics on each call", () => {
+      const mnemonic1 = createMnemonicSeed();
+      const mnemonic2 = createMnemonicSeed();
+
+      expect(mnemonic1).not.toBe(mnemonic2);
+    });
+  });
+
+  describe("createMnemonicFile", () => {
+    test("creates a mnemonic file with auto-generated name", () => {
+      const filename = createMnemonicFile(tempDir, TEST_SEED);
+
+      expect(filename).toMatch(/^mnemonic-page$/);
+      expect(existsSync(path.join(tempDir, filename))).toBe(true);
+    });
+
+    test("creates a mnemonic file with custom name", () => {
+      const filename = createMnemonicFile(tempDir, TEST_SEED, "my-wallet");
+
+      expect(filename).toBe("my-wallet");
+      expect(existsSync(path.join(tempDir, filename))).toBe(true);
+    });
+
+    test("writes valid BCHMnemonicURL format", () => {
+      const filename = createMnemonicFile(tempDir, TEST_SEED, "test-wallet");
+      const content = readFileSync(path.join(tempDir, filename), "utf8");
+
+      expect(content).toMatch(/^bch-mnemonic:/);
+      const parsed = BCHMnemonicURL.fromURL(content);
+      expect(parsed).toBeDefined();
+    });
+
+    test("sanitizes filename to basename only", () => {
+      const filename = createMnemonicFile(tempDir, TEST_SEED, "../../../evil-path");
+
+      expect(filename).toBe("evil-path");
+      expect(existsSync(path.join(tempDir, "evil-path"))).toBe(true);
+      expect(existsSync(path.join(tempDir, "../../../evil-path"))).toBe(false);
+    });
+
+    test("throws when mnemonic is empty", () => {
+      expect(() => createMnemonicFile(tempDir, "")).toThrow();
+    });
+  });
+
+  describe("resolveMnemonicFilePath", () => {
+    test("resolves absolute path when file exists", () => {
+      const filePath = path.join(tempDir, "mnemonic-absolute");
+      writeFileSync(filePath, "test");
+
+      const resolved = resolveMnemonicFilePath(tempDir, filePath);
+      expect(resolved).toBe(filePath);
+    });
+
+    test("resolves path relative to cwd when file exists", () => {
+      const originalCwd = process.cwd();
+      process.chdir(tempDir);
+
+      try {
+        writeFileSync(path.join(tempDir, "mnemonic-relative"), "test");
+        const resolved = resolveMnemonicFilePath("/nonexistent", "mnemonic-relative");
+        expect(resolved).toBe(path.join(tempDir, "mnemonic-relative"));
+      } finally {
+        process.chdir(originalCwd);
+      }
+    });
+
+    test("resolves from mnemonicsDir when file exists there", () => {
+      writeFileSync(path.join(tempDir, "mnemonic-test"), "test");
+
+      const resolved = resolveMnemonicFilePath(tempDir, "mnemonic-test");
+      expect(resolved).toBe(path.join(tempDir, "mnemonic-test"));
+    });
+
+    test("throws when file not found anywhere", () => {
+      expect(() => resolveMnemonicFilePath(tempDir, "nonexistent-file")).toThrow(
+        /Mnemonic file not found/,
+      );
+    });
+
+    test("strips path components and looks up basename in mnemonicsDir", () => {
+      writeFileSync(path.join(tempDir, "mnemonic-basename"), "test");
+
+      const resolved = resolveMnemonicFilePath(tempDir, "some/path/mnemonic-basename");
+      expect(resolved).toBe(path.join(tempDir, "mnemonic-basename"));
+    });
+  });
+
+  describe("loadMnemonic", () => {
+    test("loads mnemonic from file", () => {
+      createMnemonicFile(tempDir, TEST_SEED, "test-load");
+
+      const loaded = loadMnemonic(tempDir, "test-load");
+      expect(loaded).toBe(TEST_SEED);
+    });
+
+    test("loads mnemonic from absolute path", () => {
+      const filePath = path.join(tempDir, "mnemonic-absolute-load");
+      createMnemonicFile(tempDir, TEST_SEED, "mnemonic-absolute-load");
+
+      const loaded = loadMnemonic(tempDir, filePath);
+      expect(loaded).toBe(TEST_SEED);
+    });
+
+    test("throws when file not found", () => {
+      expect(() => loadMnemonic(tempDir, "nonexistent")).toThrow(/Mnemonic file not found/);
+    });
+
+    test("throws when file contains invalid data", () => {
+      writeFileSync(path.join(tempDir, "mnemonic-invalid"), "not a valid mnemonic url");
+
+      expect(() => loadMnemonic(tempDir, "mnemonic-invalid")).toThrow();
+    });
+  });
+
+  describe("listMnemonicFiles", () => {
+    test("returns empty array when no mnemonic files exist", () => {
+      const files = listMnemonicFiles(tempDir);
+      expect(files).toEqual([]);
+    });
+
+    test("lists only files starting with 'mnemonic-'", () => {
+      writeFileSync(path.join(tempDir, "mnemonic-one"), "test");
+      writeFileSync(path.join(tempDir, "mnemonic-two"), "test");
+      writeFileSync(path.join(tempDir, "other-file"), "test");
+      writeFileSync(path.join(tempDir, "wallet.json"), "test");
+
+      const files = listMnemonicFiles(tempDir);
+      expect(files).toHaveLength(2);
+      expect(files).toContain("mnemonic-one");
+      expect(files).toContain("mnemonic-two");
+      expect(files).not.toContain("other-file");
+      expect(files).not.toContain("wallet.json");
+    });
+
+    test("returns sorted or consistent ordering", () => {
+      writeFileSync(path.join(tempDir, "mnemonic-zebra"), "test");
+      writeFileSync(path.join(tempDir, "mnemonic-alpha"), "test");
+      writeFileSync(path.join(tempDir, "mnemonic-beta"), "test");
+
+      const files = listMnemonicFiles(tempDir);
+      expect(files).toHaveLength(3);
+    });
+  });
+
+  describe("round-trip", () => {
+    test("create and load preserves mnemonic exactly", () => {
+      const original = createMnemonicSeed();
+      createMnemonicFile(tempDir, original, "roundtrip-test");
+
+      const loaded = loadMnemonic(tempDir, "roundtrip-test");
+      expect(loaded).toBe(original);
+    });
+  });
+});