Feat: Create test runner script

test_runner.js

@@ -0,0 +1,103 @@
+import { readdirSync, readFileSync, writeFileSync } from 'fs';
+import { join, basename } from 'path';
+import { execSync } from 'child_process';
+import { hi2js } from './transpiler.js';
+
+const testDir = 'test';
+const srcDir = join(testDir, 'src');
+const expectedDir = join(testDir, 'expected_output');
+const resultsFile = 'test-results.md';
+
+const testFiles = readdirSync(srcDir).filter(file => file.endsWith('.hi'));
+
+const results = [];
+
+console.log("Running Hi language tests, Master...");
+
+for (const file of testFiles) {
+    const testCaseName = basename(file, '.hi');
+    const hiFilePath = join(srcDir, file);
+    const expectedOutputPath = join(expectedDir, `${testCaseName}.txt`);
+
+    const hiCode = readFileSync(hiFilePath, 'utf-8');
+    const expectedOutput = readFileSync(expectedOutputPath, 'utf-8').trim();
+
+    let jsCode = '';
+    try {
+        jsCode = hi2js(hiCode);
+        const actualOutput = execSync('node', {
+            input: jsCode,
+            encoding: 'utf-8'
+        }).trim();
+
+        if (actualOutput === expectedOutput) {
+            results.push({ name: testCaseName, status: '✅ PASS' });
+        } else {
+            results.push({
+                name: testCaseName,
+                status: '❌ FAIL',
+                reason: 'Output mismatch',
+                expected: expectedOutput,
+                actual: actualOutput,
+                jsCode: jsCode
+            });
+        }
+    } catch (error) {
+        results.push({
+            name: testCaseName,
+            status: '❌ FAIL',
+            reason: 'Transpilation or execution error',
+            error: error.message,
+            jsCode: jsCode
+        });
+    }
+}
+
+function generateMarkdownReport(results) {
+    let report = `# Hi Language Test Results\n\n`;
+    report += `**Run at:** ${new Date().toISOString()}\n\n`;
+
+    const summary = results.map(r => ({
+        "Test Case": `\`${r.name}.hi\``,
+        "Status": r.status
+    }));
+    
+    report += `| Test Case | Status |\n`;
+    report += `|-----------|--------|\n`;
+    summary.forEach(s => {
+        report += `| ${s['Test Case']} | ${s.Status} |\n`;
+    });
+
+    const failures = results.filter(r => r.status.includes('FAIL'));
+    if (failures.length > 0) {
+        report += `\n---\n\n## Failures\n\n`;
+        for (const failure of failures) {
+            report += `### \`${failure.name}.hi\`\n\n`;
+            report += `**Reason:** ${failure.reason}\n\n`;
+
+            if (failure.reason === 'Output mismatch') {
+                report += `**Expected Output:**\n\`\`\`text\n${failure.expected}\n\`\`\`\n\n`;
+                report += `**Actual Output:**\n\`\`\`text\n${failure.actual}\n\`\`\`\n\n`;
+            } else {
+                report += `**Error:**\n\`\`\`\n${failure.error}\n\`\`\`\n\n`;
+            }
+             if (failure.jsCode) {
+                report += `**Generated JavaScript:**\n\`\`\`js\n${failure.jsCode}\n\`\`\`\n\n`;
+            }
+            report += `---\n\n`;
+        }
+    }
+    return report;
+}
+
+const markdownReport = generateMarkdownReport(results);
+writeFileSync(resultsFile, markdownReport);
+
+console.log(`Test run complete. Results written to ${resultsFile}`);
+
+if (results.some(r => r.status.includes('FAIL'))) {
+    console.log("Some tests failed, Master.");
+    process.exit(1);
+} else {
+    console.log("All tests passed, Master.");
+}