AI-powered test generation for Next.js & NestJS applications with auto-fix
npm install axium-cli🚀 AI-Powered Test Generation with Auto-Fix for Next.js & NestJS
Axium can now automatically fix failing tests until they pass!
``bash`
axium auto-fix src/users/users.service.ts
The CLI will:
1. ✅ Generate the test
2. ✅ Run it
3. ✅ Detect errors
4. ✅ Fix them with AI
5. ✅ Retry until all tests pass
---
`bash`
npm install -g axium-cli
`bashInitialize
axium init
---
🎯 Commands
$3
Automatically generate and fix tests until they pass!
bash
Basic usage
axium auto-fix src/users/users.service.tsWith options
axium auto-fix src/users/users.service.ts \
--max-retries 5 \
--verbose \
--test-framework jestOptions:
--max-retries Maximum fix attempts (default: 5)
--timeout Test execution timeout (default: 60000)
--test-framework jest or vitest
--dry-run Preview without saving
--no-save-report Don't save the report
--verbose Show detailed output
`What it does:
Step 1: Generate test
↓
Step 2: Run test → ✅ Pass? → Done!
↓ ❌ Fail?
Step 3: Analyze errors
↓
Step 4: Fix with AI
↓
Step 5: Save fixed test
↓
Back to Step 2 (max 5 iterations)
Example output:
╔════════════════════════════════════════════════════════════╗
║ 🎯 AUTO-FIX REPORT ║
╠════════════════════════════════════════════════════════════╣
║ 📁 Source File: src/users/users.service.ts ║
║ 🧪 Test File: src/users/users.service.spec.ts ║
║ ║
║ Status: ✅ SUCCESS ║
║ ║
║ 📊 Statistics: ║
║ • Attempts: 3 ║
║ • Errors Solved: 4 ║
║ • Errors Remaining: 0 ║
║ • Total Duration: 12500ms ║
║ ║
║ 🔄 Attempts: ║
║ ❌ Iteration 1: 0/3 passed ║
║ ❌ Iteration 2: 1/3 passed ║
║ ✅ Iteration 3: 3/3 passed ║
╚════════════════════════════════════════════════════════════╝🎉 All tests are now passing!
---
$3
Generate tests for a specific file.
bash
axium generate src/users/users.service.ts
axium generate src/users/users.service.ts --test-framework vitest
axium generate src/users/users.controller.ts --type e2e
`$3
Scan and generate tests for all files.
bash
axium scan src/
axium scan src/ --test-framework vitest --parallel
`$3
Analyze test coverage.
bash
axium analyze src/ --report --suggest
`$3
Watch and auto-generate on changes.
bash
axium watch src/
`---
⚙️ Configuration
:`javascript
module.exports = {
model: {
provider: 'ollama',
name: 'codellama:13b',
baseUrl: 'http://localhost:11434',
},
framework: {
type: 'nestjs',
},
test: {
framework: 'jest',
parallel: true,
maxConcurrency: 5,
},
};
`---
🎯 Auto-Fix Features
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- ✅ Import errors
- ✅ Syntax errors
- ✅ Mock errors
- ✅ Assertion failures
- ✅ Runtime errors
- ✅ Timeout issues
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- 🧠 AI analyzes the error context
- 🔧 Generates targeted fixes
- 📊 Prioritizes critical errors
- 🔄 Iterates until success
- 💾 Saves detailed reports
$3
Import Error:
❌ Cannot find module '@nestjs/testing'
✅ Fixed: Added missing import
Mock Error:
❌ TypeError: mockRepository.find is not a function
✅ Fixed: Added jest.fn() to mock
Assertion Error:
❌ Expected: [Array], Received: undefined
✅ Fixed: Added proper mock return value
---
📊 Comparison
| Feature |
| auto-fix 🆕 |
|---------|-----------|--------------|
| Generate test | ✅ | ✅ |
| Run test | ❌ | ✅ |
| Detect errors | ❌ | ✅ |
| Fix automatically | ❌ | ✅ |
| Retry loop | ❌ | ✅ |
| Detailed report | ❌ | ✅ |---
🎬 Workflow Examples
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`bash
Create a service
cat > src/users/users.service.ts << 'EOF'
import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { User } from './user.entity';@Injectable()
export class UsersService {
constructor(
@InjectRepository(User)
private userRepository: Repository,
) {}
async findAll(): Promise {
return this.userRepository.find();
}
}
EOF
Auto-fix it!
axium auto-fix src/users/users.service.tsOutput:
🚀 Starting auto-fix for: users.service.ts
🔍 Analyzing source code...
🤖 Generating initial test...
✅ Test file created: src/users/users.service.spec.ts
#
🔄 Attempt 1/5
🧪 Running test...
❌ Tests failed: 1/3
📊 Analyzing errors...
🔧 Generating fix with AI...
💾 Fixed test saved
#
🔄 Attempt 2/5
🧪 Running test...
✅ All tests passed! (3/3)
#
🎉 All tests are now passing!
`$3
bash
Auto-fix Next.js route
axium auto-fix src/app/api/users/route.ts --test-framework vitestThe CLI will:
1. Detect it's Next.js
2. Generate route.test.ts (not .spec.ts)
3. Run vitest
4. Fix errors
5. Until all pass
`---
🐛 Troubleshooting
$3
bash
npm install --save-dev jest @types/jest ts-jest
`$3
bash
axium auto-fix file.ts --timeout 120000 # 2 minutes
`$3
bash
Increase retries
axium auto-fix file.ts --max-retries 10Or check the report
cat .axium-reports/autofix-*.json
`---
📈 Roadmap
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- ✅ Auto-fix for single files
- ✅ Error detection and analysis
- ✅ AI-powered fixes
- ✅ Detailed reports$3
- 🔄 ---
Contributions welcome! Please read CONTRIBUTING.md.
MIT
---
Made with ❤️ by Armel Dakayao
NPM# axium-cli