chore: checkpoint baseline (routers, tests, pyproject)

tests/test_main.py

@@ -0,0 +1,87 @@
+"""Tests for main collector logic."""
+
+from src.main import is_domain_blacklisted, should_download_media, should_download_post
+from src.reddit_client import Post
+
+
+def _make_reddit_post(**kwargs):
+    """Helper to create a Post with defaults."""
+    defaults = {
+        "id": "test123",
+        "subreddit": "pics",
+        "author": "testuser",
+        "title": "Test Post",
+        "url": "https://i.redd.it/test.jpg",
+        "score": 100,
+        "created_utc": 1700000000.0,
+        "over_18": False,
+        "is_gallery": False,
+        "preview": None,
+        "media_metadata": None,
+        "permalink": "/r/pics/test123",
+        "flair": None,
+    }
+    defaults.update(kwargs)
+    return Post(**defaults)
+
+
+class TestShouldDownloadPost:
+    def test_normal_post_allowed(self, sample_config):
+        post = _make_reddit_post()
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is True
+        assert reason == ""
+
+    def test_nsfw_skipped(self, sample_config):
+        post = _make_reddit_post(over_18=True)
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is False
+        assert reason == "nsfw"
+
+    def test_low_score_skipped(self, sample_config):
+        post = _make_reddit_post(score=1)
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is False
+        assert reason == "score"
+
+    def test_blacklisted_author(self, sample_config):
+        post = _make_reddit_post(author="spammer")
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is False
+        assert reason == "blacklist_author"
+
+    def test_blacklisted_subreddit(self, sample_config):
+        post = _make_reddit_post(subreddit="spam_sub")
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is False
+        assert reason == "blacklist_subreddit"
+
+    def test_blacklisted_keyword(self, sample_config):
+        post = _make_reddit_post(title="Amazing! Buy now for cheap!")
+        allowed, reason = should_download_post(post, sample_config)
+        assert allowed is False
+        assert reason == "blacklist_keyword"
+
+
+class TestIsDomainBlacklisted:
+    def test_blacklisted_domain(self):
+        assert is_domain_blacklisted("https://malware.com/image.jpg", ["malware.com"]) is True
+
+    def test_clean_domain(self):
+        assert is_domain_blacklisted("https://i.redd.it/image.jpg", ["malware.com"]) is False
+
+    def test_empty_blacklist(self):
+        assert is_domain_blacklisted("https://example.com", []) is False
+
+    def test_empty_url(self):
+        assert is_domain_blacklisted("", ["malware.com"]) is False
+
+
+class TestShouldDownloadMedia:
+    def test_allowed_type(self, sample_config):
+        assert should_download_media("image", sample_config) is True
+        assert should_download_media("video", sample_config) is True
+
+    def test_disallowed_type(self, sample_config):
+        sample_config.download.media_types = ["image"]
+        assert should_download_media("video", sample_config) is False