fix all existing tests to support Stream

Wrap the string, bytes, list into a Stream before calling parse.

Author: tsani

examples/json.py

@@ -1,4 +1,4 @@
-from parsy import forward_declaration, regex, seq, string
+from parsy import Stream, forward_declaration, regex, seq, string
 
 # Utilities
 whitespace = regex(r"\s*")
@@ -45,7 +45,8 @@
 def test():
     assert (
         json_doc.parse(
-            r"""
+            Stream(
+                r"""
     {
         "int": 1,
         "string": "hello",
@@ -55,6 +56,7 @@ def test():
         "other": [true, false, null]
     }
 """
+            )
         )
         == {
             "int": 1,

examples/sql_select.py

@@ -13,7 +13,7 @@
 from dataclasses import dataclass
 from typing import List, Optional, Union
 
-from parsy import from_enum, regex, seq, string
+from parsy import Stream, from_enum, regex, seq, string
 
 # -- AST nodes:
 
@@ -109,7 +109,7 @@ class Select:
 
 
 def test_select():
-    assert select.parse("SELECT thing, stuff, 123, 'hello' FROM my_table WHERE id = 1;") == Select(
+    assert select.parse(Stream("SELECT thing, stuff, 123, 'hello' FROM my_table WHERE id = 1;")) == Select(
         columns=[
             Field("thing"),
             Field("stuff"),
@@ -126,7 +126,7 @@ def test_select():
 
 
 def test_optional_where():
-    assert select.parse("SELECT 1 FROM x;") == Select(
+    assert select.parse(Stream("SELECT 1 FROM x;")) == Select(
         columns=[Number(1)],
         table=Table("x"),
         where=None,