feat: Add get_pull_request_comments method to GiteaClient with tests

aider_gitea/gitea_client.py

@@ -129,3 +129,22 @@ class GiteaClient:
             if repo['owner']['login'].lower() != owner.lower():
                 continue
             yield repo['name']
+            
+    def get_pull_request_comments(self, owner: str, repo: str, pull_number: int) -> list[dict]:
+        """Get comments for a specific pull request.
+        
+        Args:
+            owner (str): Owner of the repository.
+            repo (str): Name of the repository.
+            pull_number (int): The pull request number.
+            
+        Returns:
+            list[dict]: A list of comment dictionaries containing comment data.
+            
+        Raises:
+            requests.HTTPError: If the API request fails.
+        """
+        url = f'{self.gitea_url}/repos/{owner}/{repo}/pulls/{pull_number}/comments'
+        response = self.session.get(url)
+        response.raise_for_status()
+        return response.json()

test/test_gitea_client.py

@@ -0,0 +1,49 @@
+import pytest
+import responses
+from aider_gitea.gitea_client import GiteaClient
+
+
+class TestGiteaClient:
+    def setup_method(self):
+        """Set up test fixtures."""
+        self.gitea_url = "https://gitea.example.com"
+        self.token = "test_token"
+        self.client = GiteaClient(self.gitea_url, self.token)
+        self.owner = "test_owner"
+        self.repo = "test_repo"
+
+    @responses.activate
+    def test_get_pull_request_comments(self):
+        """Test retrieving comments for a pull request."""
+        pull_number = 123
+        expected_comments = [
+            {
+                "id": 1,
+                "body": "This is a test comment",
+                "user": {"login": "test_user"},
+                "created_at": "2023-01-01T00:00:00Z",
+            },
+            {
+                "id": 2,
+                "body": "Another test comment",
+                "user": {"login": "another_user"},
+                "created_at": "2023-01-02T00:00:00Z",
+            },
+        ]
+
+        # Mock the API response
+        url = f"{self.gitea_url}/api/v1/repos/{self.owner}/{self.repo}/pulls/{pull_number}/comments"
+        responses.add(
+            responses.GET,
+            url,
+            json=expected_comments,
+            status=200,
+        )
+
+        # Call the method
+        comments = self.client.get_pull_request_comments(self.owner, self.repo, pull_number)
+
+        # Verify the result
+        assert comments == expected_comments
+        assert len(responses.calls) == 1
+        assert responses.calls[0].request.url == url