reorg test structure to match tox and CI jobs, drop bumpversion for bump-my-version and move config to pyproject.toml, fix docs building

tests/core/peer/test_peermetadata.py

@@ -0,0 +1,46 @@
+import pytest
+
+from libp2p.peer.peerstore import (
+    PeerStore,
+    PeerStoreError,
+)
+
+# Testing methods from IPeerMetadata base class.
+
+
+def test_get_empty():
+    with pytest.raises(PeerStoreError):
+        store = PeerStore()
+        val = store.get("peer", "key")
+        assert not val
+
+
+def test_put_get_simple():
+    store = PeerStore()
+    store.put("peer", "key", "val")
+    assert store.get("peer", "key") == "val"
+
+
+def test_put_get_update():
+    store = PeerStore()
+    store.put("peer", "key1", "val1")
+    store.put("peer", "key2", "val2")
+    store.put("peer", "key2", "new val2")
+
+    assert store.get("peer", "key1") == "val1"
+    assert store.get("peer", "key2") == "new val2"
+
+
+def test_put_get_two_peers():
+    store = PeerStore()
+    store.put("peer1", "key1", "val1")
+    store.put("peer2", "key1", "val1 prime")
+
+    assert store.get("peer1", "key1") == "val1"
+    assert store.get("peer2", "key1") == "val1 prime"
+
+    # Try update
+    store.put("peer2", "key1", "new val1")
+
+    assert store.get("peer1", "key1") == "val1"
+    assert store.get("peer2", "key1") == "new val1"