Small cleanups to encode_url (#1405)

tests/test_url.py

@@ -2183,6 +2183,7 @@ def test_parsing_populates_cache():
     assert url._cache["raw_query_string"] == "a=b"
     assert url._cache["raw_fragment"] == "frag"
     assert url._cache["scheme"] == "http"
+    assert url._cache["raw_path"] == "/path"
     assert url.raw_user == "user"
     assert url.raw_password == "password"
     assert url.raw_host == "example.com"
@@ -2198,13 +2199,34 @@ def test_parsing_populates_cache():
     assert url.raw_query_string == "a=b"
     assert url.raw_fragment == "frag"
     assert url.scheme == "http"
+    assert url.raw_path == "/path"
     assert url._cache["raw_user"] == "user"
     assert url._cache["raw_password"] == "password"
     assert url._cache["raw_host"] == "example.com"
     assert url._cache["explicit_port"] == 80
     assert url._cache["raw_query_string"] == "a=b"
     assert url._cache["raw_fragment"] == "frag"
     assert url._cache["scheme"] == "http"
+    assert url._cache["raw_path"] == "/path"
+
+
+def test_relative_url_populates_cache():
+    """Test that parsing a relative URL populates the cache."""
+    url = URL(".")
+    assert url._cache["raw_query_string"] == ""
+    assert url._cache["raw_fragment"] == ""
+    assert url._cache["scheme"] == ""
+    assert url._cache["raw_path"] == "."
+
+
+def test_parsing_populates_cache_for_single_dot():
+    """Test that parsing a URL populates the cache for a single dot path."""
+    url = URL("http://example.com/.")
+    # raw_path should be normalized to "/"
+    assert url._cache["raw_path"] == "/"
+    assert url._cache["raw_host"] == "example.com"
+    assert url._cache["scheme"] == "http"
+    assert url.raw_path == "/"
 
 
 @pytest.mark.parametrize(

yarl/_url.py

@@ -182,15 +182,18 @@ def encode_url(url_str: str) -> "URL":
 
     if path:
         path = PATH_REQUOTER(path)
-        if netloc:
-            if "." in path:
-                path = normalize_path(path)
+        if netloc and "." in path:
+            path = normalize_path(path)
+    if query:
+        query = QUERY_REQUOTER(query)
+    if fragment:
+        fragment = FRAGMENT_REQUOTER(fragment)
 
-    query = QUERY_REQUOTER(query) if query else query
-    fragment = FRAGMENT_REQUOTER(fragment) if fragment else fragment
     cache["scheme"] = scheme
+    cache["raw_path"] = "/" if not path and netloc else path
     cache["raw_query_string"] = query
     cache["raw_fragment"] = fragment
+
     self = object.__new__(URL)
     self._scheme = scheme
     self._netloc = netloc