test: add test suite for player, api and widgets

tests/conftest.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+import os
+
+os.environ["SOMAFM_IMAGES"] = "0"
+
+import pytest
+
+from somafm_tui import api, config
+
+
+@pytest.fixture(autouse=True)
+def isolated_state(tmp_path, monkeypatch):
+    """Keep tests out of the real ~/.config and ~/.cache."""
+    config_dir = tmp_path / "config"
+    cache_dir = tmp_path / "cache"
+    songs_dir = cache_dir / "songs"
+    runtime_dir = tmp_path / "run"
+
+    for attr, value in (
+        ("CONFIG_DIR", config_dir),
+        ("CACHE_DIR", cache_dir),
+        ("SONGS_CACHE_DIR", songs_dir),
+        ("RUNTIME_DIR", runtime_dir),
+        ("CONFIG_PATH", config_dir / "config.json"),
+        ("CHANNELS_CACHE", cache_dir / "channels.json"),
+        ("PLAYLIST_CACHE", cache_dir / "playlists.json"),
+    ):
+        monkeypatch.setattr(config, attr, value)
+
+    def ensure_dirs() -> None:
+        for path in (config_dir, cache_dir, songs_dir, runtime_dir):
+            path.mkdir(parents=True, exist_ok=True)
+
+    monkeypatch.setattr(config, "ensure_dirs", ensure_dirs)
+    monkeypatch.setattr(api, "_PLAYLIST_CACHE", None)
+    ensure_dirs()
+    yield