Sergey Vanyushkin
3cf6c94da2
- PostLike domain entity (post_id, liked_by) with BaseEntity integration
- Post entity: add like_count field (default 0) and to_dict serialization
- PostRepository interface: add get_like, add_like, remove_like methods
- TogglePostLikeUseCase: toggle logic (like → unlike, unlike → like)
- PostResponseDTO/PostResponseSchema: add like_count field
- PostLikeORM model with FK to posts and cascade delete
- SQLAlchemyPostRepository: implement like query/add/remove with ORM mapping
- DI provider registration for TogglePostLikeUseCase
- API endpoint POST /api/v1/posts/{id}/like (auth required)
- Unit tests: PostLike entity, Post.like_count, TogglePostLikeUseCase (7 tests)
- API tests: POST /api/v1/posts/{id}/like (4 tests)
- Test model files: FEATURE_LIKES.md, TEST_MODEL.md updated
95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
"""API tests for post like/unlike toggle.
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This module tests the POST /api/v1/posts/{post_id}/like endpoint covering
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authenticated toggle on, toggle off, guest access, and not-found scenarios.
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"""
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from typing import Any
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from fastapi.testclient import TestClient
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from tests.api.conftest import API_PREFIX
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class TestLikePost:
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"""Tests for POST /api/v1/posts/{post_id}/like — toggle like on a post."""
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def test_like_post_authenticated(
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self,
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client: TestClient,
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user_headers: dict[str, str],
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created_post: dict[str, Any],
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) -> None:
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"""Test liking a post as authenticated user returns like_count=1.
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TC-API-114: Positive — authenticated like toggle on.
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"""
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post_id = created_post["id"]
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response = client.post(
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f"{API_PREFIX}/{post_id}/like",
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headers=user_headers,
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)
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assert response.status_code == 200
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data = response.json()
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assert data["like_count"] == 1
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assert data["id"] == post_id
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def test_unlike_post_authenticated(
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self,
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client: TestClient,
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user_headers: dict[str, str],
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created_post: dict[str, Any],
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) -> None:
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"""Test unliking a post that was already liked returns like_count=0.
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TC-API-115: Positive — authenticated like toggle off.
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"""
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post_id = created_post["id"]
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client.post(f"{API_PREFIX}/{post_id}/like", headers=user_headers)
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response = client.post(
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f"{API_PREFIX}/{post_id}/like",
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headers=user_headers,
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)
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assert response.status_code == 200
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data = response.json()
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assert data["like_count"] == 0
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assert data["id"] == post_id
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def test_like_post_as_guest(
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self,
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client: TestClient,
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guest_headers: dict[str, str],
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created_post: dict[str, Any],
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) -> None:
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"""Test liking a post as guest (inactive token) returns 401.
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TC-API-116: Negative — guest/inactive token cannot like.
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"""
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post_id = created_post["id"]
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response = client.post(
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f"{API_PREFIX}/{post_id}/like",
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headers=guest_headers,
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)
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assert response.status_code == 401
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def test_like_post_not_found(
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self,
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client: TestClient,
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user_headers: dict[str, str],
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) -> None:
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"""Test liking a non-existent post returns 404.
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TC-API-117: Negative — post not found.
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"""
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fake_id = "00000000-0000-0000-0000-000000000000"
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response = client.post(
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f"{API_PREFIX}/{fake_id}/like",
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headers=user_headers,
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)
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assert response.status_code == 404
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error = response.json()
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assert error["error"] == "NotFoundException"
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