Create a Mock GitHub Release API in Python for Testing gh CLI

import json
from unittest.mock import patch, Mock

class GitHubReleaseAPI:
    """Mock GitHub Releases API for testing gh CLI stub behavior."""
    
    def __init__(self):
        self.releases = {}
        self.counter = 1
    
    def create_release(self, repo, tag, name=None, notes=None):
        release_id = self.counter
        self.counter += 1
        release = {
            "id": release_id,
            "tag_name": tag,
            "name": name or tag,
            "body": notes or "",
            "draft": False,
            "prerelease": False,
            "html_url": f"https://github.com/{repo}/releases/tag/{tag}"
        }
        self.releases[release_id] = release
        return release
    
    def list_releases(self, repo):
        return [r for r in self.releases.values() if repo in r["html_url"]]


def main():
    api = GitHubReleaseAPI()
    
    # Create test releases
    rel1 = api.create_release("octocat/hello-world", "v1.0.0", 
                              notes="First stable release")
    rel2 = api.create_release("octocat/hello-world", "v1.1.0",
                              notes="Bug fixes and improvements")
    
    print("Created releases:")
    print(json.dumps([rel1, rel2], indent=2))
    
    print("\nList of releases:")
    print(json.dumps(api.list_releases("octocat/hello-world"), indent=2))


if __name__ == "__main__":
    main()