Add ruby example

[EmbeddedDevops1]

PR Type

Enhancement, Tests

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Description

• Added a new Ruby Sinatra example to the integration tests.
• Created Dockerfile for Ruby Sinatra application.
• Defined dependencies in Gemfile for Ruby Sinatra application.
• Implemented main application logic with various endpoints in Ruby Sinatra.
• Created test suite for Ruby Sinatra application using Minitest and Rack-Test.
• Documented Ruby Sinatra application setup, installation, running tests, and endpoints in README.
• Updated integration test script to include Ruby Sinatra example.
• Added Ruby Sinatra to the list of test projects in the main README.

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Changes walkthrough 📝

	Relevant files
Tests	test_all.sh Add Ruby Sinatra example to integration tests                        tests_integration/test_all.sh Added a new test case for Ruby Sinatra example. Configured Dockerfile, source file, test file, test command, and code coverage report path for Ruby Sinatra. +10/-1    test_app.rb Add tests for Ruby Sinatra application                                      templated_tests/ruby_sinatra/test_app.rb Created test suite for Ruby Sinatra application using Minitest and Rack-Test. Added tests for root and current date endpoints. +33/-0
Documentation	README.md Document Ruby Sinatra test project                                              templated_tests/README.md - Added Ruby Sinatra to the list of test projects. +2/-1      README.md Document Ruby Sinatra application setup and usage                templated_tests/ruby_sinatra/README.md Created README for Ruby Sinatra application. Documented setup, installation, running tests, and endpoints. +107/-0
Enhancement	Dockerfile Create Dockerfile for Ruby Sinatra application                      templated_tests/ruby_sinatra/Dockerfile Created Dockerfile for Ruby Sinatra application. Set up Ruby environment, installed dependencies, and exposed port 4567. +23/-0    Gemfile Define dependencies for Ruby Sinatra application                  templated_tests/ruby_sinatra/Gemfile Added Gemfile with dependencies for Sinatra, JSON, Minitest, Rack-Test, and SimpleCov. +11/-0    app.rb Implement Ruby Sinatra application logic                                  templated_tests/ruby_sinatra/app.rb Implemented main application logic for Ruby Sinatra. Added routes for arithmetic operations, palindrome check, date, and echo message. +74/-0

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PR Reviewer Guide 🔍

(Review updated until commit https://github.com/Codium-ai/cover-agent/commit/b9d641764ade88234795220c1660a95057575a1a)

⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪

🧪 PR contains tests

🔒 No security concerns identified

⚡ Key issues to review Environment Variable The use of the environment variable `$MODEL` in line 120 is potentially problematic if it's not defined or managed properly. It's recommended to ensure that this variable is securely handled and validated to avoid issues in different environments.

[codiumai-pr-agent-pro[bot]]

Persistent review updated to latest commit https://github.com/Codium-ai/cover-agent/commit/b9d641764ade88234795220c1660a95057575a1a

[EmbeddedDevops1]

ℹ️ No source files were changed. Only a new templated test was added.

[codiumai-pr-agent-pro[bot]]

PR Code Suggestions ✨

Latest suggestions up to b9d6417

Category	Suggestion	Score
Best practice	Enclose shell variables in curly braces for clarity and safety ___ **It's recommended to use a consistent variable expansion style. The $MODEL variable should be enclosed in curly braces (${MODEL}) for clarity and to prevent potential issues in scripts where variable names might be adjacent to other text.** [tests_integration/test_all.sh [120]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-65b6da080079e8f0585416d7e71797238296436ccac70a59aa5695b2a11a9d15R120-R120) ```diff ---model $MODEL +--model ${MODEL} ``` - [ ] **Apply this suggestion** Suggestion importance[1-10]: 8 Why: Using curly braces for variable expansion in shell scripts is a best practice that can prevent potential issues and improve readability. This suggestion is correct and enhances the robustness of the script.	8
Enhancement	Provide a more descriptive error message for division by zero ___ **To improve the robustness of the division operation, consider adding a more descriptive error message when a division by zero is attempted. This can help in debugging and user interaction by specifying which operation caused the error.** [templated_tests/ruby_sinatra/app.rb [37]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-0ee435e07bbc3489a590fdd1832ed61c9992e66138171fe3e9fe51986afe3ae7R37-R37) ```diff -halt 400, { error: "Cannot divide by zero" }.to_json if num2 == 0 +halt 400, { error: "Division by zero error in /divide/:num1/:num2 endpoint" }.to_json if num2 == 0 ``` - [ ] **Apply this suggestion** Suggestion importance[1-10]: 7 Why: The suggestion improves the error message, making it more descriptive and helpful for debugging. While it's a good enhancement, it's not critical for the functionality of the application.	7
User experience	Improve error messaging for square root of negative numbers ___ **For the square root operation, consider returning a more user-friendly error message when the input is negative. This can enhance the user's understanding of the error.** [templated_tests/ruby_sinatra/app.rb [51]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-0ee435e07bbc3489a590fdd1832ed61c9992e66138171fe3e9fe51986afe3ae7R51-R51) ```diff -halt 400, { error: "Cannot take square root of a negative number" }.tojson if number < 0 +halt 400, { error: "Invalid input: square root of a negative number is not defined" }.to_json if number < 0 ``` - [ ] **Apply this suggestion** Suggestion importance[1-10]: 7 Why: This suggestion enhances the user experience by providing a clearer and more user-friendly error message. It's a useful improvement but not essential for the application's core functionality.	7

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Previous suggestions

Suggestions up to commit b9d6417

Category	Suggestion	Score
Enhancement	Validate input to ensure it is numerical for arithmetic operations ___ **Implement input validation for arithmetic operations to ensure that the inputs are numerical and handle cases where they are not.** [templated_tests/ruby_sinatra/app.rb [17-21]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-0ee435e07bbc3489a590fdd1832ed61c9992e66138171fe3e9fe51986afe3ae7R17-R21) ```diff get '/add/:num1/:num2' do + halt 400, { error: "Invalid input" }.to_json unless params['num1'].match?(/^\d+$/) && params['num2'].match?(/^\d+$/) result = params['num1'].to_i + params['num2'].to_i content_type :json { result: result }.to_json end ``` Suggestion importance[1-10]: 9 Why: Adding input validation enhances the robustness of the application by ensuring that only valid numerical inputs are processed, preventing potential runtime errors.	9
Maintainability	Replace hardcoded values with variables for better configuration management ___ **Replace the hardcoded model name with a variable to ensure flexibility and consistency across different environments or configurations.** [tests_integration/test_all.sh [111]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-65b6da080079e8f0585416d7e71797238296436ccac70a59aa5695b2a11a9d15R111-R111) ```diff ---model "gpt-3.5-turbo" +--model $MODEL ``` Suggestion importance[1-10]: 8 Why: This suggestion improves maintainability by replacing hardcoded values with variables, making the script more flexible and easier to configure for different environments.	8
Security	Use environment variables for configuration to improve security and flexibility ___ **Use environment variables for configuration settings such as the bind address to enhance security and flexibility.** [templated_tests/ruby_sinatra/app.rb [5]](https://github.com/Codium-ai/cover-agent/pull/121/files#diff-0ee435e07bbc3489a590fdd1832ed61c9992e66138171fe3e9fe51986afe3ae7R5-R5) ```diff -set :bind, '0.0.0.0' +set :bind, ENV.fetch('BIND_ADDRESS', '0.0.0.0') ``` Suggestion importance[1-10]: 7 Why: Using environment variables for configuration settings improves security and flexibility, allowing for easier adjustments without modifying the code.	7