Update py macro test fixture with realistic patterns

Author: jjtolton

test/clj_kondo/fixtures/py_dot_test.clj

@@ -1,10 +1,30 @@
 (ns clj-kondo.fixtures.py-dot-test
-  (:require [libpython-clj2.python :refer [py. py.. py.- py* py**]]))
-
-(defn test-py-macros []
-  (let [obj {:foo "bar"}]
-    (py. obj method arg1 arg2)
-    (py.. obj method1 method2 method3)
-    (py.- obj attribute)
-    (py* callable [arg1 arg2])
-    (py** callable [arg1] {:kwarg1 val1})))
+  (:require [libpython-clj2.python :as py :refer [py. py.. py.-]]))
+
+(defn test-py-macros [obj serialization padding hashes Fernet rsa]
+  ;; py.. chained method calls
+  (py.. Fernet generate_key decode)
+
+  ;; py.. with attribute access using - prefix
+  (py.. serialization -Encoding -PEM)
+
+  ;; py.. method call with keyword args then chained
+  (py.. obj (private_bytes
+             :encoding (py.. serialization -Encoding -PEM)
+             :format (py.. serialization -PrivateFormat -PKCS8))
+        decode)
+
+  ;; py.. with nested method calls
+  (py.. padding (OAEP
+                 :mgf (py.. padding (MGF1 :algorithm (py.. hashes SHA256)))
+                 :algorithm (py.. hashes SHA1)
+                 :label nil))
+
+  ;; py.. generate and chain
+  (py.. rsa (generate_private_key :public_exponent 65537 :key_size 2048))
+
+  ;; py. single method call
+  (py. obj method arg1 arg2)
+
+  ;; py.- attribute access
+  (py.- obj some_attribute))