Clean release snapshot

tests/test_tailwind_rebuild.py

@@ -0,0 +1,67 @@
+"""Unit tests for lib/tailwind_rebuild.py pure-Python contracts.
+
+These cover the wrapper-config generation, installed-plugin counting, and the
+skip/no-op behavior when the Tailwind engine or inputs are absent — without
+ever invoking the Tailwind CLI.
+"""
+
+import tailwind_rebuild as tw
+
+
+def test_user_plugin_count_counts_only_plugin_json(tmp_path, monkeypatch):
+    pdir = tmp_path / "plugins"
+    (pdir / "real").mkdir(parents=True)
+    (pdir / "real" / "plugin.json").write_text("{}")
+    (pdir / "cache").mkdir()          # no plugin.json -> not counted
+    (pdir / "__pycache__").mkdir()    # also has no plugin.json -> not counted
+    monkeypatch.setenv("SLOPSMITH_PLUGINS_DIR", str(pdir))
+    assert tw.user_plugin_count() == 1
+
+
+def test_user_plugin_count_zero_when_unset(monkeypatch):
+    monkeypatch.delenv("SLOPSMITH_PLUGINS_DIR", raising=False)
+    assert tw.user_plugin_count() == 0
+
+
+def test_write_runtime_config_covers_user_dir_and_excludes_highway(tmp_path, monkeypatch):
+    app = tmp_path / "app"
+    (app / "static").mkdir(parents=True)
+    (app / "plugins").mkdir()
+    (app / "tailwind.config.js").write_text("module.exports = {}")
+    user = tmp_path / "userplugins"
+    user.mkdir()
+    monkeypatch.setattr(tw, "APP_DIR", app)
+    monkeypatch.setenv("SLOPSMITH_PLUGINS_DIR", str(user))
+
+    cfg = tw._write_runtime_config(tmp_path)
+    text = cfg.read_text()
+
+    assert "require(" in text                       # reuses base config
+    assert str(app / "static") in text              # core static scanned
+    assert str(app / "plugins") in text             # baked-in plugins scanned
+    assert str(user) in text                        # runtime user plugins scanned
+    assert "highway_3d" in text                     # exclusion preserved
+
+
+def test_write_runtime_config_omits_user_dir_when_unset(tmp_path, monkeypatch):
+    app = tmp_path / "app"
+    app.mkdir()
+    (app / "tailwind.config.js").write_text("module.exports = {}")
+    monkeypatch.setattr(tw, "APP_DIR", app)
+    monkeypatch.delenv("SLOPSMITH_PLUGINS_DIR", raising=False)
+
+    text = tw._write_runtime_config(tmp_path).read_text()
+    assert str(app / "static") in text
+    # no user dir entry beyond the app tree
+    assert "userplugins" not in text
+
+
+def test_can_rebuild_false_without_inputs(tmp_path, monkeypatch):
+    monkeypatch.setattr(tw, "APP_DIR", tmp_path)            # no config/_src present
+    monkeypatch.setattr(tw, "_tailwind_cmd", lambda: ["tailwindcss"])
+    assert tw.can_rebuild() is False
+
+
+def test_rebuild_skips_without_engine(monkeypatch):
+    monkeypatch.setattr(tw, "_tailwind_cmd", lambda: None)
+    assert tw.rebuild("test") is False