Add tests for BGG

tests/boardgames_tests/test_bgg.py

@@ -0,0 +1,27 @@
+from boardgames.bgg import (
+    take_first,
+    lookup_boardgame_id_from_bgg,
+    lookup_boardgame_from_bgg,
+)
+
+
+def test_take_first():
+    assert take_first([]) == ""
+
+    assert take_first(["a", "b"]) == "a"
+
+
+def test_lookup_boardgame_id_from_bgg():
+    bgg_id = lookup_boardgame_id_from_bgg("Cosmic Encounter")
+    assert bgg_id == "15"
+
+    bgg_id = lookup_boardgame_id_from_bgg("Comedy Encounter")
+    assert bgg_id == None
+
+
+def test_lookup_boardgame_from_bgg():
+    bgg_result = lookup_boardgame_from_bgg(15)
+    assert bgg_result.get("bggeek_id") == 15
+
+    bgg_result = lookup_boardgame_from_bgg("Cosmic Encounter")
+    assert bgg_result.get("bggeek_id") == "15"