feat: implement file ignore and mapping functionality for remote push command

src/__tests__/push_helpers.test.ts

@@ -0,0 +1,73 @@
+import { describe, it, expect, afterEach } from 'vitest';
+import fs from 'fs';
+import os from 'os';
+import path from 'path';
+import { readIgnoreFile, matchesAnyPattern, readMappingFile, defaultUnpushableFiles } from '../utils/push_helpers.js';
+
+const tmpDirs: string[] = [];
+
+afterEach(() => {
+  for (const d of tmpDirs) {
+    try {
+      fs.rmSync(d, { recursive: true, force: true });
+    } catch (_e) {
+      // ignore cleanup errors
+    }
+  }
+  tmpDirs.length = 0;
+});
+
+describe('push_helpers', () => {
+  it('readIgnoreFile should read patterns from provided dir', () => {
+    const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'shsf-test-'));
+    tmpDirs.push(tmp);
+    const ignorePath = path.join(tmp, '.shsfignore');
+    fs.writeFileSync(ignorePath, '# comment\nsecret.txt\n*.log\n');
+
+    const patterns = readIgnoreFile(tmp);
+    expect(patterns).toContain('secret.txt');
+    expect(patterns).toContain('*.log');
+  });
+
+  it('matchesAnyPattern should match suffix and glob patterns', () => {
+    const patterns = ['.secret', '*.log', 'dockerfile'];
+    expect(matchesAnyPattern('foo.secret', patterns)).toBe(true);
+    expect(matchesAnyPattern('bar.log', patterns)).toBe(true);
+    expect(matchesAnyPattern('Dockerfile', patterns)).toBe(true);
+    expect(matchesAnyPattern('notmatched.txt', patterns)).toBe(false);
+  });
+
+  it('defaultUnpushableFiles contains common suffix', () => {
+    expect(defaultUnpushableFiles).toContain('.png');
+  });
+
+  it('readMappingFile should read mapping from cwd when present', () => {
+    const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'shsf-map-'));
+    tmpDirs.push(tmp);
+    const mapPath = path.join(tmp, '.shsf.json');
+    fs.writeFileSync(mapPath, JSON.stringify({ default: { id: 'abc', from: 'src' } }));
+
+    const mapping = readMappingFile(tmp);
+    expect(mapping).toBeTruthy();
+    expect(mapping?.id).toBe('abc');
+    expect(mapping?.from).toBe('src');
+  });
+
+  it('readMappingFile should return null when file is missing', () => {
+    const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'shsf-map-missing-'));
+    tmpDirs.push(tmp);
+
+    const mapping = readMappingFile(tmp);
+    expect(mapping).toBeNull();
+  });
+
+  it('readMappingFile should return null for malformed json', () => {
+    const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'shsf-map-bad-'));
+    tmpDirs.push(tmp);
+    const mapPath = path.join(tmp, '.shsf.json');
+    fs.writeFileSync(mapPath, '{ this is : not valid json }');
+
+    const mapping = readMappingFile(tmp);
+    expect(mapping).toBeNull();
+  });
+});