Use BestFits for non-fluent attribute chains (#6817)

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__trailing_commas_in_leading_parts.py.snap

@@ -56,6 +56,18 @@ assert xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(
  
  
  # Example from https://github.com/psf/black/issues/3229
+@@ -43,8 +41,6 @@
+ )
+ 
+ # Regression test for https://github.com/psf/black/issues/3414.
+-assert xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(
+-    xxxxxxxxx
+-).xxxxxxxxxxxxxxxxxx(), (
+-    "xxx {xxxxxxxxx} xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+-)
++assert (
++    xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(xxxxxxxxx).xxxxxxxxxxxxxxxxxx()
++), "xxx {xxxxxxxxx} xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 ```
 
 ## Ruff Output
@@ -104,11 +116,9 @@ assert (
 )
 
 # Regression test for https://github.com/psf/black/issues/3414.
-assert xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(
-    xxxxxxxxx
-).xxxxxxxxxxxxxxxxxx(), (
-    "xxx {xxxxxxxxx} xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
-)
+assert (
+    xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(xxxxxxxxx).xxxxxxxxxxxxxxxxxx()
+), "xxx {xxxxxxxxx} xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 ```
 
 ## Black Output

crates/ruff_python_formatter/tests/snapshots/format@expression__unsplittable.py.snap

@@ -58,6 +58,19 @@ for converter in connection.ops.get_db_converters(
     expression
 ) + expression.get_db_converters(connection):
     ...
+
+
+aaa = (
+    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb # awkward comment
+)
+
+def test():
+    m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyField(Person, blank=True)
+
+    m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyFieldAttributeChainField
+
+m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyField(Person, blank=True)
+m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyFieldAttributeChainFieeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeld
 ```
 
 ## Output
@@ -120,6 +133,25 @@ for converter in connection.ops.get_db_converters(
     expression
 ) + expression.get_db_converters(connection):
     ...
+
+
+aaa = bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb  # awkward comment
+
+
+def test():
+    m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = (
+        models.ManyToManyField(Person, blank=True)
+    )
+
+    m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = (
+        models.ManyToManyFieldAttributeChainField
+    )
+
+
+m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = (
+    models.ManyToManyField(Person, blank=True)
+)
+m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyFieldAttributeChainFieeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeld
 ```
 
 

crates/ruff_python_formatter/tests/snapshots/format@expression__yield.py.snap

@@ -72,6 +72,13 @@ def foo():
         1
     )
 
+    yield (
+        "#   * Make sure each ForeignKey and OneToOneField has `on_delete` set "
+        "to the desired behavior"
+    )
+
+    yield aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + ccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+
 yield ("Cache key will cause errors if used with memcached: %r " "(longer than %s)" % (
     key,
     MEMCACHE_MAX_KEY_LENGTH,
@@ -168,6 +175,17 @@ def foo():
         )
     )
 
+    yield (
+        "#   * Make sure each ForeignKey and OneToOneField has `on_delete` set "
+        "to the desired behavior"
+    )
+
+    yield (
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+        + ccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+    )
+
 
 yield (
     "Cache key will cause errors if used with memcached: %r "