Switch schema parser tests to use dedent

Replicates graphql/graphql-js@d1e0abf

tests/language/test_schema_parser.py

@@ -110,8 +110,14 @@ def directive_node(name, arguments, loc):
 
 def describe_schema_parser():
     def simple_type():
-        body = "\ntype Hello {\n  world: String\n}"
-        definition = assert_definitions(body, (0, 31))
+        body = dedent(
+            """
+            type Hello {
+              world: String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 32))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None
@@ -125,8 +131,15 @@ def simple_type():
         assert definition.loc == (1, 31)
 
     def parses_type_with_description_string():
-        body = '\n"Description"\ntype Hello {\n  world: String\n}'
-        definition = assert_definitions(body, (0, 45))
+        body = dedent(
+            """
+            "Description"
+            type Hello {
+              world: String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 46))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (20, 25))
         description = definition.description
@@ -156,7 +169,13 @@ def parses_type_with_description_multi_line_string():
         assert description.loc == (1, 20)
 
     def simple_extension():
-        body = "\nextend type Hello {\n  world: String\n}\n"
+        body = dedent(
+            """
+            extend type Hello {
+              world: String
+            }
+            """
+        )
         extension = assert_definitions(body, (0, 39))
         assert isinstance(extension, ObjectTypeExtensionNode)
         assert extension.name == name_node("Hello", (13, 18))
@@ -261,8 +280,14 @@ def schema_extension_without_anything_throws():
         assert_syntax_error("extend schema", "Unexpected <EOF>", (1, 14))
 
     def simple_non_null_type():
-        body = "\ntype Hello {\n  world: String!\n}"
-        definition = assert_definitions(body, (0, 32))
+        body = dedent(
+            """
+            type Hello {
+              world: String!
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 33))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None
@@ -352,8 +377,14 @@ def double_value_enum():
         assert definition.loc == (0, 22)
 
     def simple_interface():
-        body = "\ninterface Hello {\n  world: String\n}"
-        definition = assert_definitions(body, (0, 36))
+        body = dedent(
+            """
+            interface Hello {
+              world: String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 37))
         assert isinstance(definition, InterfaceTypeDefinitionNode)
         assert definition.name == name_node("Hello", (11, 16))
         assert definition.description is None
@@ -366,8 +397,14 @@ def simple_interface():
         assert definition.loc == (1, 36)
 
     def simple_field_with_arg():
-        body = "\ntype Hello {\n  world(flag: Boolean): String\n}"
-        definition = assert_definitions(body, (0, 46))
+        body = dedent(
+            """
+            type Hello {
+              world(flag: Boolean): String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 47))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None
@@ -391,8 +428,14 @@ def simple_field_with_arg():
         assert definition.loc == (1, 46)
 
     def simple_field_with_arg_with_default_value():
-        body = "\ntype Hello {\n  world(flag: Boolean = true): String\n}"
-        definition = assert_definitions(body, (0, 53))
+        body = dedent(
+            """
+            type Hello {
+              world(flag: Boolean = true): String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 54))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None
@@ -416,8 +459,14 @@ def simple_field_with_arg_with_default_value():
         assert definition.loc == (1, 53)
 
     def simple_field_with_list_arg():
-        body = "\ntype Hello {\n  world(things: [String]): String\n}"
-        definition = assert_definitions(body, (0, 49))
+        body = dedent(
+            """
+            type Hello {
+              world(things: [String]): String
+            }
+            """
+        )
+        definition = assert_definitions(body, (0, 50))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None
@@ -441,8 +490,14 @@ def simple_field_with_list_arg():
         assert definition.loc == (1, 49)
 
     def simple_field_with_two_args():
-        body = "\ntype Hello {\n  world(argOne: Boolean, argTwo: Int): String\n}"
-        definition = assert_definitions(body, (0, 61))
+        body = dedent(
+            """
+          type Hello {
+            world(argOne: Boolean, argTwo: Int): String
+          }
+          """
+        )
+        definition = assert_definitions(body, (0, 62))
         assert isinstance(definition, ObjectTypeDefinitionNode)
         assert definition.name == name_node("Hello", (6, 11))
         assert definition.description is None