#106: tests: aircox_streamer (#110)

- Writes tests for aircox streamer application;
- Add test utilities in aircox

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#110

aircox_streamer/tests/test_controllers_metadata.py

@@ -0,0 +1,59 @@
+import pytest
+
+from aircox_streamer.controllers import Metadata
+
+
+class TestBaseMetaData:
+    @pytest.mark.django_db
+    def test_is_playing(self, metadata):
+        metadata.status = "playing"
+        assert metadata.is_playing
+
+    @pytest.mark.django_db
+    def test_is_playing_false(self, metadata):
+        metadata.status = "other"
+        assert not metadata.is_playing
+
+    @pytest.mark.django_db
+    def test_fetch(self, controller, metadata, metadata_data, metadata_string):
+        controller.connector.socket.recv_data = metadata_string
+        metadata.fetch()
+        assert metadata.uri == metadata_data["initial_uri"]
+
+    @pytest.mark.django_db
+    def test_validate_status_playing(self, controller, metadata):
+        controller.source = metadata
+        assert metadata.validate_status("playing") == "playing"
+
+    @pytest.mark.django_db
+    def test_validate_status_paused(self, controller, metadata):
+        controller.source = Metadata(controller, metadata.rid + 1)
+        assert metadata.validate_status("playing") == "paused"
+
+    @pytest.mark.django_db
+    def test_validate_status_stopped(self, controller, metadata):
+        controller.source = Metadata(controller, 2)
+        assert metadata.validate_status("") == "stopped"
+        assert metadata.validate_status("any") == "stopped"
+
+    @pytest.mark.django_db
+    def test_validate_air_time(
+        self, metadata, metadata_data, metadata_data_air_time
+    ):
+        air_time = metadata_data["on_air"]
+        result = metadata.validate_air_time(air_time)
+        assert result == metadata_data_air_time
+
+    @pytest.mark.django_db
+    def test_validate_air_time_none(self, metadata):
+        assert metadata.validate_air_time("") is None
+
+    @pytest.mark.django_db
+    def test_validate(self, metadata, metadata_data, metadata_data_air_time):
+        metadata.validate(metadata_data)
+        assert metadata.uri == metadata_data["initial_uri"]
+        assert metadata.air_time == metadata_data_air_time
+        # controller.source != metadata + status = "playing"
+        #       => status == "paused"
+        assert metadata.status == "paused"
+        assert metadata.request_status == "playing"