Add methods to generate and configure TLS

[madflojo]

This pull request adds methods for generating a tls.Config with the CA configured and configuring a tls.Config with the Key Pair configured.

Summary by CodeRabbit

• New Features

  • Added ExampleUsage function to demonstrate certificate generation, HTTP server setup, and HTTPS request making.
  • Added ExampleNewCA function to demonstrate certificate generation and HTTP server setup.

• Improvements

  • Enhanced TLS configuration setup by introducing new methods for generating and configuring TLS settings.
  • Updated TLS configuration in test functions to use new methods for improved clarity and maintainability.

• Chores

  • Introduced targets for running tests and benchmarks in the Go project Makefile.

[coderabbitai]

Walkthrough

The recent changes streamline the TLS configuration setup in the Go project by introducing new methods for generating and configuring TLS settings. The Makefile now includes targets for running tests and benchmarks, while the README.md and various test files have been updated to reflect the new TLS configuration methods. This enhances the maintainability and clarity of the code related to TLS setup and testing.

Changes

File	Change Summary
Makefile	Added tests and benchmarks targets for running tests with coverage and benchmarks in the Go project.
README.md	Updated TLS configuration in TestFunc to use certs.ConfigureTLSConfig.
testcerts.go	Added GenerateTLSConfig and ConfigureTLSConfig methods for TLS configuration.
testcerts_test.go	Refactored TLS setup in tests and added ExampleUsage and ExampleNewCA functions.

🐇✨
In the realm of Go, we tweak and mend,
TLS setups now smoothly blend.
With tests and benchmarks, we pave the way,
For robust code, come what may.
Certificates in hand, secure we stand,
In this coded land, so grand.
🚀💻

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[coderabbitai]

Actionable comments posted: 2

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7f09672 and 2fe5749.

Files selected for processing (4)

• Makefile (1 hunks)
• README.md (1 hunks)
• testcerts.go (4 hunks)
• testcerts_test.go (3 hunks)

Files skipped from review due to trivial changes (1)

• Makefile

Additional Context Used

LanguageTool (1)

README.md (1)

Near line 3: Using many exclamation marks might seem excessive (in this case: 3 exclamation marks for a text that’s 1012 characters long)
Context: ...orkflows/go.yaml/badge.svg?branch=main) [![Go Reference](https://pkg.go.dev/badge/...

GitHub Check Runs (1)

golangci failure (8)

testcerts_test.go: [failure] 434-434:
Error return value of w.Write is not checked (errcheck)

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testcerts_test.go: [warning] 343-343:
unused-parameter: parameter 'rootCAs' seems to be unused, consider removing or renaming it as _ (revive)

---

testcerts_test.go: [warning] 433-433:
unused-parameter: parameter 'r' seems to be unused, consider removing or renaming it as _ (revive)

Additional comments not posted (4)

README.md (1)

59-59: Update the TLS configuration to use the new certs.ConfigureTLSConfig method enhances maintainability by centralizing TLS setup.

testcerts_test.go (2)

377-377: The update to use certs.ConfigureTLSConfig for setting up TLSClientConfig centralizes the TLS configuration, which is a good practice for maintainability and consistency.

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402-458: The addition of ExampleNewCA function is a valuable example for users to understand how to generate and use certificates with the new API. It demonstrates the entire process from certificate generation to making an HTTPS request.

testcerts.go (1)

305-315: The ConfigureTLSConfig method effectively encapsulates the configuration of tls.Config with the certificate and private key from KeyPair. This method enhances the flexibility and reusability of TLS configurations.

[madflojo]

@coderabbitai review

[coderabbitai]

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[coderabbitai]

Actionable comments posted: 0

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 2fe5749 and 5be6d63.

Files selected for processing (2)

• testcerts.go (8 hunks)
• testcerts_test.go (3 hunks)

Additional Context Used

Learnings (1)

testcerts.go (1)

User: madflojo
PR: madflojo/testcerts#9
File: testcerts.go:234-238
Timestamp: 2024-05-18T15:25:20.697Z
Learning: The `GenerateTLSConfig` method in the `testcerts` library should not enforce a specific TLS version to maintain flexibility for testing different TLS configurations.

Additional comments not posted (5)

testcerts.go (3)

235-239: The GenerateTLSConfig method correctly provides a flexible TLS configuration setup, allowing for comprehensive testing across various environments. This approach is suitable given the context of a testing library.

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306-316: The ConfigureTLSConfig method correctly sets up the TLS configuration with the certificate and private key. This is crucial for both client and server configurations in testing scenarios.

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Line range hint 68-403: The implementations of certificate generation, key pair creation, and file operations are well-handled with appropriate error checks and clean-up procedures. These are crucial for the robustness of the testing library.

testcerts_test.go (2)

Line range hint 339-423: The TestFullFlow function effectively tests the end-to-end process of certificate generation, server setup, and HTTPS communication. It is comprehensive and covers the critical paths of the functionality.

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Line range hint 1-338: The test cases are well-structured and cover both happy and unhappy paths, ensuring that the library handles various scenarios correctly. This thorough testing is essential for maintaining the reliability of the library.

Also applies to: 424-483