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I have added the MongoDB with hono js RESy API sample server

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keploy bot commented Apr 15, 2025

Nice Pr 😄. We currently support Unit Test Generation only for Go projects.
Stay tuned – support for more languages is coming soon! 🚀

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Nice Pr 😄. We currently support Unit Test Generation only for Go projects.
Stay tuned – support for more languages is coming soon! 🚀

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@Achanandhi-M Achanandhi-M left a comment

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Hey @Shu12388y
Could you please add a README explaining how to run this sample app?
Also, include the test cases generated using Keploy in the sample app

@Shu12388y
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@Achanandhi-M OK I will add the readme

Copilot AI review requested due to automatic review settings October 30, 2025 09:08
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Pull Request Overview

This PR introduces a new Hono-based REST API application with MongoDB integration for managing books. The implementation includes CRUD operations, test coverage, and Docker deployment configuration.

  • Sets up a Book API with MongoDB using Hono framework and Mongoose
  • Implements comprehensive test suite for all CRUD endpoints
  • Provides Docker and docker-compose configuration for containerized deployment

Reviewed Changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated 7 comments.

Show a summary per file
File Description
hono-mongo/tsconfig.json TypeScript configuration with strict mode and JSX support
hono-mongo/src/utils/DB.ts Database connection utility with connection and disconnection logic
hono-mongo/src/test/book.test.ts Comprehensive test suite covering all book CRUD operations
hono-mongo/src/models/Book.Model.ts Mongoose schema and model definition for Book entity
hono-mongo/src/index.ts Main application file with route definitions and server setup
hono-mongo/package.json Project dependencies and scripts configuration
hono-mongo/keploy.yml Keploy testing configuration file
hono-mongo/dockerfile Docker image configuration using Node.js 16
hono-mongo/docker-compose.yml Multi-container setup with app and MongoDB services
hono-mongo/README.md Basic installation and usage instructions
hono-mongo/.gitignore Git ignore patterns for dependencies, logs, and environment files

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Comment on lines +4 to +5
try {
await mongoose.connect("");
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Copilot AI Oct 30, 2025

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Empty connection string passed to mongoose.connect(). This will cause the database connection to fail. The connection string should be read from environment variables or configuration.

Suggested change
try {
await mongoose.connect("");
const mongoUri = process.env.MONGO_URI;
if (!mongoUri) {
throw new Error("MONGO_URI environment variable is not set.");
}
try {
await mongoose.connect(mongoUri);

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Comment on lines +8 to +10
} finally {
mongoose.disconnect();
}
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The DB function immediately disconnects after connecting in the finally block. This defeats the purpose of establishing a connection, as mongoose.disconnect() will close it right away. Remove the finally block or move the disconnect logic to application shutdown.

Suggested change
} finally {
mongoose.disconnect();
}

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try {
await mongoose.connect("");
} catch (error) {
console.log("DataBase Error" + error);
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Corrected spelling of 'DataBase' to 'Database'.

Suggested change
console.log("DataBase Error" + error);
console.log("Database Error" + error);

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try {
await mongoose.connect("");
} catch (error) {
console.log("DataBase Error" + error);
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Error message uses string concatenation which may not display error details properly. Use template literals or proper error formatting: console.error('Database Error:', error);

Suggested change
console.log("DataBase Error" + error);
console.log(`DataBase Error:`, error);

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try {
await mongoose.connect("");
} catch (error) {
console.log("DataBase Error" + error);
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Use console.error() instead of console.log() for error messages to ensure they are logged to stderr and properly categorized.

Suggested change
console.log("DataBase Error" + error);
console.error("DataBase Error" + error);

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self: s1
inCi: false

# Visit [https://keploy.io/docs/running-keploy/configuration-file/] to learn about using keploy through configration file.
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Corrected spelling of 'configration' to 'configuration'.

Suggested change
# Visit [https://keploy.io/docs/running-keploy/configuration-file/] to learn about using keploy through configration file.
# Visit [https://keploy.io/docs/running-keploy/configuration-file/] to learn about using keploy through configuration file.

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Comment on lines +11 to +12
environment:
- MONGO_URI=mongodb://mongo:27017/booklist
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The MONGO_URI environment variable is defined in docker-compose.yml but not used in the application code (DB.ts has an empty connection string). The application should read this environment variable to establish the database connection.

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2 participants