Add integration test for Rot13Tool

[devin-ai-integration]

Add integration test for Rot13Tool

Summary

Added a new integration test Rot13ToolIT that tests the ROT-13 encoding functionality via the MCP tools/call endpoint. The test follows the existing pattern established by HelloToolIT, using Spring Boot's @SpringBootTest and MockMvc to send JSON-RPC 2.0 requests to the /mcp endpoint.

The test verifies that:

• The tool can be called via JSON-RPC with the correct tool name rot-13-tool.encode
• The ROT-13 encoding works correctly (transforms "Hello World" to "Uryyb Jbeyq")
• The response follows the expected JSON-RPC 2.0 format with proper structure

Review & Testing Checklist for Human

• Verify ROT-13 encoding result: Manually confirm that "Hello World" should indeed encode to "Uryyb Jbeyq" using ROT-13 algorithm
• Test integration manually: Make a direct HTTP request to /mcp endpoint with the same JSON-RPC payload to ensure the test matches real API behavior
• Check test follows project conventions: Ensure the test structure, imports, and annotations align with other integration tests in the project

---

Diagram

%%{ init : { "theme" : "default" }}%%
graph TB
    HelloToolIT["HelloToolIT.java<br/>(existing pattern)"]:::context
    Rot13ToolIT["Rot13ToolIT.java<br/>(new integration test)"]:::major-edit
    Rot13Tool["Rot13Tool.java<br/>(class under test)"]:::context
    McpEndpoint["/mcp endpoint<br/>(JSON-RPC API)"]:::context
    
    HelloToolIT -.->|"pattern reference"| Rot13ToolIT
    Rot13ToolIT -->|"tools/call request"| McpEndpoint
    McpEndpoint -->|"invokes"| Rot13Tool
    Rot13Tool -->|"ROT-13 encoding"| McpEndpoint
    
    subgraph Legend
        L1[Major Edit]:::major-edit
        L2[Minor Edit]:::minor-edit
        L3[Context/No Edit]:::context
    end
    
    classDef major-edit fill:#90EE90
    classDef minor-edit fill:#87CEEB
    classDef context fill:#FFFFFF

Loading

Notes

• Tool name rot-13-tool.encode was verified via tools/list endpoint during development
• Test uses the same Spring Boot testing infrastructure as existing integration tests
• This is the first integration test specifically for the Rot13Tool functionality
• Session requested by James Carman (@jwcarman) - Link to Devin run: https://app.devin.ai/sessions/6c2b42d5aa2c481c90e9de1f0a58035a

[devin-ai-integration]

🤖 Devin AI Engineer

I'll be helping with this pull request! Here's what you should know:

✅ I will automatically:

• Address comments on this PR. Add '(aside)' to your comment to have me ignore it.
• Look at CI failures and help fix them

Note: I can only respond to comments from users who have write access to this repository.

⚙️ Control Options:

• Disable automatic comment and CI monitoring

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud