test-pagination-basic.cjs•9.19 kB
#!/usr/bin/env node
/**
* Basic Pagination System Test
* Tests core pagination functionality without complex dependencies
*/
const fs = require('fs');
const path = require('path');
// Mock ConsoleOutput interface
const createMockOutput = (sessionId, type, data, timestamp) => ({
sessionId,
type: type || 'stdout',
data: data || '',
timestamp: timestamp || new Date(),
raw: null
});
// Simple test framework
class SimpleTest {
constructor() {
this.tests = [];
this.results = [];
}
test(name, fn) {
this.tests.push({ name, fn });
}
async run() {
console.log('🚀 Running Basic Pagination Tests\n');
for (const { name, fn } of this.tests) {
try {
const start = Date.now();
await fn();
const duration = Date.now() - start;
console.log(`✅ ${name} (${duration}ms)`);
this.results.push({ name, status: 'passed', duration });
} catch (error) {
console.log(`❌ ${name} - ${error.message}`);
this.results.push({ name, status: 'failed', error: error.message });
}
}
const passed = this.results.filter(r => r.status === 'passed').length;
const total = this.results.length;
console.log(`\n📊 Results: ${passed}/${total} tests passed`);
return passed === total;
}
}
// Test the pagination logic concepts
const test = new SimpleTest();
test.test('Basic Pagination Logic', async () => {
// Simulate pagination manager functionality
const outputs = [];
for (let i = 0; i < 10000; i++) {
outputs.push(createMockOutput('test-session', 'stdout', `Line ${i + 1}\n`));
}
// Test pagination slice logic
const pageSize = 1000;
const offset = 5000;
const page = outputs.slice(offset, offset + pageSize);
if (page.length !== pageSize) {
throw new Error(`Expected ${pageSize} items, got ${page.length}`);
}
if (page[0].data !== 'Line 5001\n') {
throw new Error(`Expected first item to be 'Line 5001', got '${page[0].data}'`);
}
const hasMore = offset + pageSize < outputs.length;
if (!hasMore) {
throw new Error('Expected hasMore to be true');
}
});
test.test('Continuation Token Simulation', async () => {
// Simulate token creation/parsing
const createToken = (sessionId, offset, limit) => {
const tokenData = {
sessionId,
offset,
limit,
timestamp: Date.now()
};
return Buffer.from(JSON.stringify(tokenData)).toString('base64url');
};
const parseToken = (token) => {
return JSON.parse(Buffer.from(token, 'base64url').toString());
};
// Test token roundtrip
const originalData = {
sessionId: 'test-session',
offset: 1000,
limit: 500
};
const token = createToken(originalData.sessionId, originalData.offset, originalData.limit);
const parsed = parseToken(token);
if (parsed.sessionId !== originalData.sessionId) {
throw new Error('Session ID mismatch in token');
}
if (parsed.offset !== originalData.offset) {
throw new Error('Offset mismatch in token');
}
if (parsed.limit !== originalData.limit) {
throw new Error('Limit mismatch in token');
}
});
test.test('Large Dataset Performance', async () => {
const lineCount = 100000;
console.log(` Generating ${lineCount} lines...`);
const start = Date.now();
const outputs = [];
for (let i = 0; i < lineCount; i++) {
outputs.push(createMockOutput(
'test-session',
'stdout',
`Line ${i + 1}: Random data ${Math.random().toString(36)}\n`
));
}
const generationTime = Date.now() - start;
console.log(` Generated in ${generationTime}ms`);
// Test random access performance
const randomTests = 100;
const randomStart = Date.now();
for (let i = 0; i < randomTests; i++) {
const randomOffset = Math.floor(Math.random() * (lineCount - 1000));
const page = outputs.slice(randomOffset, randomOffset + 1000);
if (page.length !== 1000) {
throw new Error(`Random access failed at offset ${randomOffset}`);
}
}
const randomTime = Date.now() - randomStart;
console.log(` ${randomTests} random accesses in ${randomTime}ms (${Math.round(randomTime/randomTests)}ms avg)`);
// Test sequential pagination
const sequentialStart = Date.now();
let offset = 0;
let pagesProcessed = 0;
while (offset < lineCount) {
const page = outputs.slice(offset, offset + 2000);
if (page.length === 0) break;
offset += page.length;
pagesProcessed++;
}
const sequentialTime = Date.now() - sequentialStart;
console.log(` ${pagesProcessed} pages processed in ${sequentialTime}ms`);
// Validate total processing
if (offset !== lineCount) {
throw new Error(`Expected to process ${lineCount} lines, got ${offset}`);
}
});
test.test('Memory Usage Estimation', async () => {
const outputs = [];
const lineCount = 50000;
for (let i = 0; i < lineCount; i++) {
outputs.push(createMockOutput(
'test-session',
'stdout',
`Line ${i + 1}: Test data with some content that simulates real output\n`
));
}
// Estimate memory usage
const sampleOutput = outputs[0];
const estimatedBytesPerOutput = JSON.stringify(sampleOutput).length * 2; // UTF-16 approximation
const totalEstimatedBytes = estimatedBytesPerOutput * outputs.length;
const totalEstimatedMB = Math.round(totalEstimatedBytes / (1024 * 1024) * 100) / 100;
console.log(` Estimated memory usage: ${totalEstimatedMB}MB for ${lineCount} lines`);
console.log(` Average bytes per line: ${Math.round(estimatedBytesPerOutput)}`);
// Basic memory efficiency test
if (totalEstimatedMB > 100) {
console.log(` ⚠️ High memory usage detected: ${totalEstimatedMB}MB`);
}
});
test.test('Boundary Conditions', async () => {
const outputs = [];
for (let i = 0; i < 1000; i++) {
outputs.push(createMockOutput('test-session', 'stdout', `Line ${i + 1}\n`));
}
// Test offset at boundary
const lastPage = outputs.slice(999, 999 + 100);
if (lastPage.length !== 1) {
throw new Error(`Expected 1 item at boundary, got ${lastPage.length}`);
}
// Test offset beyond boundary
const beyondPage = outputs.slice(1001, 1001 + 100);
if (beyondPage.length !== 0) {
throw new Error(`Expected 0 items beyond boundary, got ${beyondPage.length}`);
}
// Test negative offset (should be clamped to 0)
const clampedOffset = Math.max(0, -100);
if (clampedOffset !== 0) {
throw new Error('Negative offset not properly clamped');
}
// Test limit clamping
const minLimit = Math.max(100, 50); // min 100
const maxLimit = Math.min(10000, 50000); // max 10000
if (minLimit !== 100 || maxLimit !== 10000) {
throw new Error('Limit clamping logic failed');
}
});
test.test('API Response Structure', async () => {
const outputs = [];
for (let i = 0; i < 2000; i++) {
outputs.push(createMockOutput('test-session', 'stdout', `Line ${i + 1}\n`));
}
// Simulate pagination response structure
const sessionId = 'test-session';
const offset = 500;
const limit = 1000;
const page = outputs.slice(offset, offset + limit);
const hasMore = offset + limit < outputs.length;
const response = {
output: page.map(o => o.data).join(''),
data: page,
hasMore,
nextToken: hasMore ? 'mock-next-token' : undefined,
totalLines: outputs.length,
currentOffset: offset,
pageSize: page.length,
timestamp: new Date().toISOString()
};
// Validate response structure
if (typeof response.output !== 'string') {
throw new Error('Output should be string');
}
if (!Array.isArray(response.data)) {
throw new Error('Data should be array');
}
if (typeof response.hasMore !== 'boolean') {
throw new Error('HasMore should be boolean');
}
if (typeof response.totalLines !== 'number') {
throw new Error('TotalLines should be number');
}
if (typeof response.currentOffset !== 'number') {
throw new Error('CurrentOffset should be number');
}
if (typeof response.pageSize !== 'number') {
throw new Error('PageSize should be number');
}
if (response.data.length !== response.pageSize) {
throw new Error('Data length should match pageSize');
}
if (response.totalLines !== outputs.length) {
throw new Error('TotalLines should match actual total');
}
});
// Run the tests
if (require.main === module) {
test.run()
.then(success => {
console.log(success ? '\n🎉 All tests passed!' : '\n💥 Some tests failed!');
// Generate a basic report
const report = {
timestamp: new Date().toISOString(),
results: test.results,
summary: {
total: test.results.length,
passed: test.results.filter(r => r.status === 'passed').length,
failed: test.results.filter(r => r.status === 'failed').length
}
};
fs.writeFileSync('pagination-test-basic-report.json', JSON.stringify(report, null, 2));
console.log('📋 Test report saved to: pagination-test-basic-report.json');
process.exit(success ? 0 : 1);
})
.catch(error => {
console.error('Test runner crashed:', error);
process.exit(1);
});
}
module.exports = { SimpleTest };
