Add autotests to task 11

tasks/task11.md

@@ -25,7 +25,7 @@ edge_expr = '(' expr ',' expr ',' expr ')'
 
 regexp = CHAR | VAR | '(' regexp ')' | (regexp '|' regexp) | (regexp '^' range) | (regexp '.' regexp) | (regexp '&' regexp)
 
-range = '[' NUM '..' NUM? ']'
+range = '[' NUM ('..' NUM)? ']'
 
 select = v_filter? v_filter? 'return' VAR (',' VAR)? 'where' VAR 'reachable' 'from' VAR 'in' VAR 'by' expr
 
@@ -42,7 +42,6 @@ CHAR = '"' [a..z] '"'
 ```
 let g is graph
 
-add edge (1, "a", 2) to g
 add edge (2, "a", 3) to g
 add edge (3, "a", 1) to g
 add edge (1, "c", 5) to g
@@ -200,3 +199,15 @@ _____________________________________
 - [ ] С использованием ANTLR реализовать синтаксический анализатор предложенного выше языка. А именно, реализовать функцию, которая принимает строку и возвращает дерево разбора.
 - [ ] Реализовать функцию, которая по дереву разбора возвращает количество узлов в нём.
 - [ ] Реализовать функцию, которая по дереву разбора строит строку, которая была разобрана.
+
+Требуемые функции:
+```python
+def prog_to_tree(program: str) ->  ProgContex:
+    pass
+
+def nodes_count(tree: ProgContex) -> int:
+    pass
+
+def tree_to_prog(tree: ProgContex) -> str:
+    pass
+```

tests/autotests/test_task11.py

@@ -0,0 +1,36 @@
+# This file contains test cases that you need to pass to get a grade
+# You MUST NOT touch anything here except ONE block below
+# You CAN modify this file IF AND ONLY IF you have found a bug and are willing to fix it
+# Otherwise, please report it
+import sys
+from copy import deepcopy
+import pytest
+
+# Fix import statements in try block to run tests
+try:
+    from project.task11 import prog_to_tree, nodes_count, tree_to_prog
+except ImportError:
+    pytestmark = pytest.mark.skip("Task 11 is not ready to test!")
+
+# it will be filled by script? In some way
+INPUT_PROGRAMS = []
+
+
+def fill_input(argv):
+    for file_path in argv:
+        with open(file_path, "r") as file:
+            program = file.read()
+            INPUT_PROGRAMS.append(program)
+
+
+class TestParser:
+    @pytest.mark.parametrize("program", INPUT_PROGRAMS, ids=lambda x: x)
+    def id_test(self, program):
+        tree_before = prog_to_tree(program)
+        tree_after = prog_to_tree(tree_to_prog(tree_before))
+        assert nodes_count(tree_before) == nodes_count(tree_after)
+        assert program == tree_to_prog(tree_before)
+
+
+if __name__ == "__main__":
+    fill_input(sys.argv[1::])