Towards single compilation

pytest/test_single_compile.py

@@ -0,0 +1,22 @@
+import pytest
+from uncompyle6 import PYTHON_VERSION, PYTHON3, deparse_code
+
+@pytest.mark.skip(reason="Reinstate when we have compiilation single")
+def test_single_mode():
+    single_expressions = (
+        'i = 1',
+        'i and (j or k)',
+        'i += 1',
+        'i = j % 4',
+        'i = {}',
+        'i = []',
+        'while i < 1 or stop:\n    i\n',
+        'while i < 1 or stop:\n    print%s\n' % ('(i)' if PYTHON3 else ' i'),
+        'for i in range(10):\n    i\n',
+        'for i in range(10):\n    for j in range(10):\n        i + j\n',
+        'try:\n    i\nexcept Exception:\n    j\nelse:\n    k\n'
+    )
+
+    for expr in single_expressions:
+        code = compile(expr + '\n', '<string>', 'single')
+        assert deparse_code(PYTHON_VERSION, code, compile_mode='single').text == expr + '\n'