From 07424327ac5384a8b23c67b127069d5d0a11d17b Mon Sep 17 00:00:00 2001
From: lukyanoffpashok <lukyanoffpashok@yandex.ru>
Date: Thu, 9 Jul 2020 12:14:46 +0300
Subject: [PATCH] fix

---
 .../patterns/multiple_while/multiple_while.py |  6 ++--
 .../multiple_while/MultipleWhile.java         |  4 +--
 .../multiple_while/test_multiple_while.py     | 33 +++----------------
 3 files changed, 9 insertions(+), 34 deletions(-)

diff --git a/aibolit/patterns/multiple_while/multiple_while.py b/aibolit/patterns/multiple_while/multiple_while.py
index 87e74fcf..9da3a22f 100644
--- a/aibolit/patterns/multiple_while/multiple_while.py
+++ b/aibolit/patterns/multiple_while/multiple_while.py
@@ -8,13 +8,13 @@ class MultipleWhile:
     def __init__(self):
         pass
 
-    def get_number_of_sequential_while_statement_in_function(self, tree: AST, node: int) -> int:
+    def get_top_level_while_qty(self, tree: AST, node: int) -> int:
         list_while_nodes: List[int] = []
         set_child_while_nodes: Set[int] = set()
         for child in tree.all_children_with_type(node, ASTNodeType.WHILE_STATEMENT):
             list_while_nodes.append(child)
             set_internal_while = set(tree.list_all_children_with_type(child, ASTNodeType.WHILE_STATEMENT))
-            set_child_while_nodes = set.union(set_child_while_nodes, set_internal_while)
+            set_child_while_nodes |= set_internal_while
         return len(list_while_nodes) - len(set_child_while_nodes)
 
     def value(self, filename: str) -> List[int]:
@@ -28,7 +28,7 @@ def value(self, filename: str) -> List[int]:
         tree = AST.build_from_javalang(build_ast(filename))
         lines: List[int] = []
         for node in tree.nodes_by_type(ASTNodeType.METHOD_DECLARATION):
-            if self.get_number_of_sequential_while_statement_in_function(tree, node) > 1:
+            if self.get_top_level_while_qty(tree, node) > 1:
                 lines.append(tree.get_attr(node, 'source_code_line'))
 
         return lines
diff --git a/test/patterns/multiple_while/MultipleWhile.java b/test/patterns/multiple_while/MultipleWhile.java
index d9ef61fe..8211439a 100644
--- a/test/patterns/multiple_while/MultipleWhile.java
+++ b/test/patterns/multiple_while/MultipleWhile.java
@@ -1,9 +1,9 @@
 class MultipleWhile {
   void bar() {
     while (true) {
-      x = 1;
+      // some code
       while (false) {
-          x = 1;
+          // some code
     }
     }
     // more code
diff --git a/test/patterns/multiple_while/test_multiple_while.py b/test/patterns/multiple_while/test_multiple_while.py
index ab1c06b4..48b718ca 100644
--- a/test/patterns/multiple_while/test_multiple_while.py
+++ b/test/patterns/multiple_while/test_multiple_while.py
@@ -20,7 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import os
 from unittest import TestCase
 from aibolit.patterns.multiple_while.multiple_while import MultipleWhile
 from pathlib import Path
@@ -29,41 +28,17 @@
 class TestMultipleWhile(TestCase):
 
     def test_simple(self):
-        lines = MultipleWhile().value(
-            Path(
-                Path(
-                    os.path.realpath(__file__)
-                ).parent, 'Simple.java'
-            )
-        )
+        lines = MultipleWhile().value(Path(__file__).parent.absolute() / 'Simple.java')
         self.assertEqual(lines, [2])
 
     def test_one_while(self):
-        lines = MultipleWhile().value(
-            Path(
-                Path(
-                    os.path.realpath(__file__)
-                ).parent, 'OneWhile.java'
-            )
-        )
+        lines = MultipleWhile().value(Path(__file__).parent.absolute() / 'OneWhile.java')
         self.assertEqual(lines, [])
 
     def test_if_while(self):
-        lines = MultipleWhile().value(
-            Path(
-                Path(
-                    os.path.realpath(__file__)
-                ).parent, 'IfWhile.java'
-            )
-        )
+        lines = MultipleWhile().value(Path(__file__).parent.absolute() / 'IfWhile.java')
         self.assertEqual(lines, [2])
 
     def test_multiple_while(self):
-        lines = MultipleWhile().value(
-            Path(
-                Path(
-                    os.path.realpath(__file__)
-                ).parent, 'MultipleWhile.java'
-            )
-        )
+        lines = MultipleWhile().value(Path(__file__).parent.absolute() / 'MultipleWhile.java')
         self.assertEqual(lines, [])