Sergey Vanyushkin
7ff3fa0992
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Implement full comments system: domain entities (Comment, CommentLike), value objects (CommentContent), use cases (CRUD, like toggle), SQLAlchemy repository, API v1 endpoints, web UI with comment form and nested replies, i18n translations (EN/RU/FR/DE), and E2E tests. Fix nested reply (reply-to-reply) not displaying — the flat reply_comments dict was only queried for top-level comment IDs, so deeply nested replies were saved to DB (incrementing comment count) but never rendered. Switch to a recursive Jinja2 macro that renders any nesting depth.
129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
"""Tests for CreateCommentUseCase.
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This module tests comment creation use case covering top-level comments,
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replies to existing comments, and post-not-found scenarios.
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"""
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from unittest.mock import AsyncMock, Mock
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from uuid import uuid4
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import pytest
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from app.application.use_cases.create_comment import CreateCommentUseCase
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from app.domain.entities import Post
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from app.domain.exceptions import NotFoundException
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@pytest.fixture
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def test_post() -> Post:
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"""Create a test post for comment tests."""
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return Post.create(
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title_str="Commentable Post",
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content_str="This post will receive comments. Enough length here.",
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author_id="user-123",
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tags=["test"],
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)
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class TestCreateCommentUseCase:
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"""Tests for CreateCommentUseCase.
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Covers TC-UNIT-832 through TC-UNIT-834.
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"""
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@pytest.mark.asyncio
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async def test_create_comment_on_post(
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self,
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mock_post_repository: Mock,
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mock_transaction_manager: Mock,
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test_post: Post,
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) -> None:
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"""Test creating a top-level comment on a post.
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TC-UNIT-832: Positive — create top-level comment.
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"""
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mock_comment_repository = AsyncMock()
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mock_post_repository.get_by_id = AsyncMock(return_value=test_post)
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use_case = CreateCommentUseCase(
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post_repo=mock_post_repository,
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comment_repo=mock_comment_repository,
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tx_manager=mock_transaction_manager,
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)
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result = await use_case.execute(
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post_id=test_post.id,
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author_id="user-456",
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content="Great post! Thanks for sharing.",
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)
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assert result.post_id == test_post.id
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assert result.author_id == "user-456"
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assert result.content == "Great post! Thanks for sharing."
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assert result.parent_id is None
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assert result.like_count == 0
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mock_comment_repository.add.assert_called_once()
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mock_transaction_manager.commit.assert_called_once()
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@pytest.mark.asyncio
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async def test_create_comment_reply(
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self,
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mock_post_repository: Mock,
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mock_transaction_manager: Mock,
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test_post: Post,
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) -> None:
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"""Test creating a reply to an existing comment.
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TC-UNIT-833: Positive — reply to comment with parent_id.
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"""
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mock_comment_repository = AsyncMock()
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mock_post_repository.get_by_id = AsyncMock(return_value=test_post)
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parent_id = uuid4()
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use_case = CreateCommentUseCase(
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post_repo=mock_post_repository,
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comment_repo=mock_comment_repository,
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tx_manager=mock_transaction_manager,
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)
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result = await use_case.execute(
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post_id=test_post.id,
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author_id="user-456",
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content="This is a reply.",
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parent_id=parent_id,
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)
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assert result.parent_id == parent_id
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assert result.post_id == test_post.id
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mock_comment_repository.add.assert_called_once()
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mock_transaction_manager.commit.assert_called_once()
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@pytest.mark.asyncio
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async def test_create_comment_post_not_found(
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self,
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mock_post_repository: Mock,
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mock_transaction_manager: Mock,
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) -> None:
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"""Test creating a comment on a non-existent post.
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TC-UNIT-834: Negative — post not found.
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"""
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mock_comment_repository = AsyncMock()
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mock_post_repository.get_by_id = AsyncMock(return_value=None)
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use_case = CreateCommentUseCase(
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post_repo=mock_post_repository,
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comment_repo=mock_comment_repository,
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tx_manager=mock_transaction_manager,
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)
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with pytest.raises(NotFoundException):
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await use_case.execute(
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post_id=uuid4(),
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author_id="user-456",
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content="Comment on missing post.",
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)
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mock_comment_repository.add.assert_not_called()
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mock_transaction_manager.commit.assert_not_called()
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