moving

app/scripts/bundle-runtimes.test.ts

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+import { describe, it, expect } from 'vitest';
+import path from 'node:path';
+import {
+  getNodeDownloadUrl,
+  getPythonDownloadUrl,
+  getResourcePaths,
+  getBundleStatus,
+  parseVersion,
+  isValidVersion,
+} from './bundle-utils.js';
+
+// ─── getNodeDownloadUrl ──────────────────────────────────────────────────────
+
+describe('getNodeDownloadUrl', () => {
+  it('returns Windows x64 URL by default', () => {
+    const url = getNodeDownloadUrl('20.11.1');
+    expect(url).toBe('https://nodejs.org/dist/v20.11.1/win-x64/node.exe');
+  });
+
+  it('returns Windows arm64 URL', () => {
+    const url = getNodeDownloadUrl('20.11.1', 'win32', 'arm64');
+    expect(url).toBe('https://nodejs.org/dist/v20.11.1/win-arm64/node.exe');
+  });
+
+  it('returns macOS tar.gz URL', () => {
+    const url = getNodeDownloadUrl('20.11.1', 'darwin', 'x64');
+    expect(url).toContain('darwin-x64.tar.gz');
+  });
+
+  it('returns Linux tar.xz URL', () => {
+    const url = getNodeDownloadUrl('20.11.1', 'linux', 'x64');
+    expect(url).toContain('linux-x64.tar.xz');
+  });
+
+  it('includes the version in the URL', () => {
+    const url = getNodeDownloadUrl('18.19.0');
+    expect(url).toContain('v18.19.0');
+  });
+});
+
+// ─── getPythonDownloadUrl ────────────────────────────────────────────────────
+
+describe('getPythonDownloadUrl', () => {
+  it('returns Windows amd64 embed URL by default', () => {
+    const url = getPythonDownloadUrl('3.11.8');
+    expect(url).toBe(
+      'https://www.python.org/ftp/python/3.11.8/python-3.11.8-embed-amd64.zip',
+    );
+  });
+
+  it('returns Windows arm64 URL', () => {
+    const url = getPythonDownloadUrl('3.11.8', 'win32', 'arm64');
+    expect(url).toContain('embed-arm64.zip');
+  });
+
+  it('returns macOS pkg URL', () => {
+    const url = getPythonDownloadUrl('3.11.8', 'darwin', 'x64');
+    expect(url).toContain('macos11.pkg');
+  });
+
+  it('returns Linux source URL', () => {
+    const url = getPythonDownloadUrl('3.11.8', 'linux', 'x64');
+    expect(url).toContain('Python-3.11.8.tar.xz');
+  });
+
+  it('includes the version in the URL', () => {
+    const url = getPythonDownloadUrl('3.12.1');
+    expect(url).toContain('3.12.1');
+  });
+});
+
+// ─── getResourcePaths ────────────────────────────────────────────────────────
+
+describe('getResourcePaths', () => {
+  it('returns correct Windows paths when platform is win32', () => {
+    const dir = '/app/src-tauri/resources';
+    const paths = getResourcePaths(dir, 'win32');
+
+    expect(paths.node).toBe(path.join(dir, 'node', 'node.exe'));
+    expect(paths.python).toBe(path.join(dir, 'python', 'python.exe'));
+    expect(paths.litellm).toBe(
+      path.join(dir, 'python', 'Lib', 'site-packages', 'litellm'),
+    );
+  });
+
+  it('handles Windows-style paths', () => {
+    const dir = 'C:\\Users\\user\\app\\resources';
+    const paths = getResourcePaths(dir, 'win32');
+
+    expect(paths.node).toContain('node.exe');
+    expect(paths.python).toContain('python.exe');
+    expect(paths.litellm).toContain('litellm');
+  });
+
+  it('returns correct Unix paths when platform is darwin', () => {
+    const dir = '/app/src-tauri/resources';
+    const paths = getResourcePaths(dir, 'darwin');
+
+    expect(paths.node).toBe(path.join(dir, 'node', 'bin', 'node'));
+    expect(paths.python).toBe(path.join(dir, 'python', 'bin', 'python3'));
+    expect(paths.litellm).toBe(
+      path.join(dir, 'python', 'lib', 'python3.11', 'site-packages', 'litellm'),
+    );
+  });
+
+  it('returns correct Unix paths when platform is linux', () => {
+    const dir = '/app/src-tauri/resources';
+    const paths = getResourcePaths(dir, 'linux');
+
+    expect(paths.node).toBe(path.join(dir, 'node', 'bin', 'node'));
+    expect(paths.python).toBe(path.join(dir, 'python', 'bin', 'python3'));
+    expect(paths.litellm).toBe(
+      path.join(dir, 'python', 'lib', 'python3.11', 'site-packages', 'litellm'),
+    );
+  });
+});
+
+// ─── getBundleStatus ─────────────────────────────────────────────────────────
+
+describe('getBundleStatus', () => {
+  it('reports all missing when nothing exists', () => {
+    const mockExists = () => false;
+    const status = getBundleStatus('/fake/dir', mockExists);
+
+    expect(status.nodeReady).toBe(false);
+    expect(status.pythonReady).toBe(false);
+    expect(status.litellmReady).toBe(false);
+  });
+
+  it('reports all ready when all exist', () => {
+    const mockExists = () => true;
+    const status = getBundleStatus('/fake/dir', mockExists);
+
+    expect(status.nodeReady).toBe(true);
+    expect(status.pythonReady).toBe(true);
+    expect(status.litellmReady).toBe(true);
+  });
+
+  it('reports partial status correctly', () => {
+    const paths = getResourcePaths('/fake/dir', process.platform);
+    const existingPaths = new Set([paths.node, paths.python]);
+    const mockExists = (p: string) => existingPaths.has(p);
+
+    const status = getBundleStatus('/fake/dir', mockExists);
+
+    expect(status.nodeReady).toBe(true);
+    expect(status.pythonReady).toBe(true);
+    expect(status.litellmReady).toBe(false);
+  });
+});
+
+// ─── parseVersion ────────────────────────────────────────────────────────────
+
+describe('parseVersion', () => {
+  it('parses a standard semver string', () => {
+    const v = parseVersion('20.11.1');
+    expect(v).toEqual({ major: 20, minor: 11, patch: 1 });
+  });
+
+  it('parses a version with zeros', () => {
+    const v = parseVersion('3.0.0');
+    expect(v).toEqual({ major: 3, minor: 0, patch: 0 });
+  });
+});
+
+// ─── isValidVersion ──────────────────────────────────────────────────────────
+
+describe('isValidVersion', () => {
+  it('accepts a valid version', () => {
+    expect(isValidVersion('20.11.1')).toBe(true);
+    expect(isValidVersion('3.11.8')).toBe(true);
+  });
+
+  it('rejects invalid versions', () => {
+    expect(isValidVersion('20.11')).toBe(false);
+    expect(isValidVersion('abc')).toBe(false);
+    expect(isValidVersion('20.11.1.2')).toBe(false);
+    expect(isValidVersion('')).toBe(false);
+  });
+});