Add test support

build_test.js

@@ -0,0 +1,75 @@
+import esbuild from 'esbuild';
+import colors from 'colors';
+import fs from 'fs';
+
+function displaySize(bytes) {
+    const units = ['B', 'KiB', 'MiB', 'GiB', 'TiB'];
+    let i = 0;
+    while (bytes >= 1024 && i < units.length - 1) {
+        bytes /= 1024;
+        i++;
+    }
+    return `${bytes.toFixed(2)} ${units[i]}`;
+}
+
+/**@param {esbuild.BuildResult} result */
+function displayResult(result) {
+    for (const outfile in result.metafile.outputs) {
+        const output = result.metafile.outputs[outfile];
+        let totalInBytes = 0;
+        for (const input in output.inputs) {
+            const inp = result.metafile.inputs[input];
+            totalInBytes += inp.bytes;
+        }
+        let inInfo = '';
+        if (totalInBytes > 0) {
+            const ratio = (output.bytes / totalInBytes * 100).toFixed(2);
+            inInfo = ` - Input size: ${colors.green(displaySize(totalInBytes))} (${totalInBytes} B), Ratio: ${colors.yellow(ratio + '%')}`;
+        }
+        console.log(`${colors.cyan(outfile)}: ${colors.yellow(displaySize(output.bytes))} (${output.bytes} B)${inInfo}`);
+    }
+}
+
+async function build(name) {
+    const result = await esbuild.build({
+        entryPoints: [`src/${name}.ts`],
+        bundle: true,
+        minify: true,
+        outfile: `${name}.cjs`,
+        platform: 'node',
+        target: ['node18'],
+        sourcemap: true,
+        sourcesContent: false,
+        metafile: true,
+        format: 'cjs',
+    })
+    displayResult(result);
+    return result;
+}
+
+async function generateTestFile() {
+    let content = `import { runTests, waitTestsRegistered } from "./test_base";\n`;
+    content += 'import process from "node:process";\n';
+    const files = await fs.promises.readdir('src', {recursive: true});
+    const testLists = [];
+    for (const file of files) {
+        if (file.endsWith('.test.ts')) {
+            const name = file.slice(0, -8).replaceAll(/[./\\]/g, '_');
+            content += `import ${name} from "./${file.replaceAll(/[\\]/g, '/')}";\n`;
+            testLists.push(`    ${name},`);
+        }
+    }
+    content += `const tests = [\n${testLists.join('\n')}\n];\n`;
+    content += `async function run() {
+    await waitTestsRegistered(tests);
+    const re = await runTests();
+    if (re.failure > 0) {
+        process.exit(1);
+    }
+}
+run();\n`;
+    await fs.promises.writeFile('src/test.ts', content);
+}
+
+await generateTestFile();
+await build('test');