add test for wrapper module

tests/test_wrapper.py

@@ -0,0 +1,38 @@
+from waybackpy.wrapper import Url
+
+
+def test_oldest() -> None:
+    url = "https://bing.com"
+    oldest_archive = (
+        "https://web.archive.org/web/20030726111100/http://www.bing.com:80/"
+    )
+    wayback = Url(url).oldest()
+    assert wayback.archive_url == oldest_archive
+    assert str(wayback) == oldest_archive
+    assert len(wayback) > 365 * 15  # days in a year times years
+
+
+def test_newest() -> None:
+    url = "https://www.youtube.com/"
+    wayback = Url(url).newest()
+    assert "youtube" in str(wayback.archive_url)
+    assert "archived_snapshots" in str(wayback.json)
+
+
+def test_near() -> None:
+    url = "https://www.google.com"
+    wayback = Url(url).near(year=2010, month=10, day=10, hour=10, minute=10)
+    assert "20101010" in str(wayback.archive_url)
+
+
+def test_total_archives() -> None:
+    wayback = Url("https://akamhy.github.io")
+    assert wayback.total_archives() > 10
+
+    wayback = Url("https://gaha.ef4i3n.m5iai3kifp6ied.cima/gahh2718gs/ahkst63t7gad8")
+    assert wayback.total_archives() == 0
+
+
+def test_known_urls() -> None:
+    wayback = Url("akamhy.github.io")
+    assert len(list(wayback.known_urls())) > 40