autobpm: add tests

test/plugins/test_autobpm.py

@@ -0,0 +1,38 @@
+import pytest
+
+from beets.test.helper import ImportHelper, PluginMixin
+
+
+class TestAutoBPMPlugin(PluginMixin, ImportHelper):
+    plugin = "autobpm"
+
+    @pytest.fixture(scope="class", name="lib")
+    def fixture_lib(self):
+        self.setup_beets()
+        self.load_plugins()
+
+        return self.lib
+
+    @pytest.fixture(scope="class")
+    def item(self):
+        return self.add_item_fixture()
+
+    @pytest.fixture(scope="class")
+    def importer(self, lib):
+        self.import_media = []
+        self.prepare_album_for_import(1)
+        track = self.import_media[0]
+        track.bpm = None
+        track.save()
+        return self.setup_importer(autotag=False)
+
+    def test_command(self, lib, item):
+        self.run_command("autobpm", lib=lib)
+
+        item.load()
+        assert item.bpm == 117
+
+    def test_import(self, lib, importer):
+        importer.run()
+
+        assert lib.items().get().bpm == 117