feat(tools): idf.py adding arguments from file via @filename.txt

- moved test inputs to one directory
- removed `-` from test arguments

Closes https://github.com/espressif/esp-idf/pull/11821
Closes https://github.com/espressif/esp-idf/issues/11783

tools/idf.py

@@ -696,7 +696,7 @@ def init_cli(verbose_output: List=None) -> Any:
     return CLI(help=cli_help, verbose_output=verbose_output, all_actions=all_actions)
 
 
-def main(argv=None) -> None:
+def main(argv: List[Any] = None) -> None:
     # Check the environment only when idf.py is invoked regularly from command line.
     checks_output = None if SHELL_COMPLETE_RUN else check_environment()
 
@@ -719,7 +719,7 @@ def main(argv=None) -> None:
         cli(argv, prog_name=PROG, complete_var=SHELL_COMPLETE_VAR)
 
 
-def expand_file_arguments(argv):
+def expand_file_arguments(argv: List[Any]) -> List[Any]:
     """
     Any argument starting with "@" gets replaced with all values read from a text file.
     Text file arguments can be split by newline or by space.
@@ -729,10 +729,10 @@ def expand_file_arguments(argv):
     visited = set()
     expanded = False
 
-    def expand_args(args, parent_path, file_stack):
+    def expand_args(args: List[Any], parent_path: str, file_stack: List[str]) -> List[str]:
         expanded_args = []
         for arg in args:
-            if not arg.startswith("@"):
+            if not arg.startswith('@'):
                 expanded_args.append(arg)
             else:
                 nonlocal expanded, visited
@@ -747,13 +747,13 @@ def expand_file_arguments(argv):
                 visited.add(rel_path)
 
                 try:
-                    with open(rel_path, "r") as f:
+                    with open(rel_path, 'r') as f:
                         for line in f:
                             expanded_args.extend(expand_args(shlex.split(line), os.path.dirname(rel_path), file_stack + [file_name]))
                 except IOError:
                     file_stack_str = ' -> '.join(['@' + f for f in file_stack + [file_name]])
                     raise FatalError(f"File '{rel_path}' (expansion of {file_stack_str}) could not be opened. "
-                                     "Please ensure the file exists and you have the necessary permissions to read it.")
+                                     'Please ensure the file exists and you have the necessary permissions to read it.')
         return expanded_args
 
     argv = expand_args(argv, os.getcwd(), [])

tools/test_idf_py/args_a

@@ -1 +0,0 @@
--DAAA -DBBB

tools/test_idf_py/args_b

@@ -1 +0,0 @@
--DCCC -DDDD

tools/test_idf_py/args_circular_a

@@ -1 +0,0 @@
--DAAA @args_circular_b

tools/test_idf_py/args_circular_b

@@ -1 +0,0 @@
--DBBB @args_circular_a

tools/test_idf_py/args_recursive

@@ -1 +0,0 @@
-@args_a -DEEE -DFFF

tools/test_idf_py/file_args_expansion_inputs/args_a

@@ -0,0 +1 @@
+DAAA DBBB

tools/test_idf_py/file_args_expansion_inputs/args_b

@@ -0,0 +1 @@
+DCCC DDDD

tools/test_idf_py/file_args_expansion_inputs/args_circular_a

@@ -0,0 +1 @@
+DAAA @args_circular_b

tools/test_idf_py/file_args_expansion_inputs/args_circular_b

@@ -0,0 +1 @@
+DBBB @args_circular_a

tools/test_idf_py/file_args_expansion_inputs/args_recursive

@@ -0,0 +1 @@
+@args_a DEEE DFFF

tools/test_idf_py/test_idf_py.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
 
 import json
@@ -296,10 +296,10 @@ class TestFileArgumentExpansion(TestCase):
         """Test @filename expansion functionality"""
         try:
             output = subprocess.check_output(
-                [sys.executable, idf_py_path, '--version', '@args_a'],
+                [sys.executable, idf_py_path, '--version', '@file_args_expansion_inputs/args_a'],
                 env=os.environ,
                 stderr=subprocess.STDOUT).decode('utf-8', 'ignore')
-            self.assertIn('Running: idf.py --version -DAAA -DBBB', output)
+            self.assertIn('Running: idf.py --version DAAA DBBB', output)
         except subprocess.CalledProcessError as e:
             self.fail(f'Process should have exited normally, but it exited with a return code of {e.returncode}')
 
@@ -307,10 +307,10 @@ class TestFileArgumentExpansion(TestCase):
         """Test multiple @filename arguments"""
         try:
             output = subprocess.check_output(
-                [sys.executable, idf_py_path, '--version', '@args_a', '@args_b'],
+                [sys.executable, idf_py_path, '--version', '@file_args_expansion_inputs/args_a', '@file_args_expansion_inputs/args_b'],
                 env=os.environ,
                 stderr=subprocess.STDOUT).decode('utf-8', 'ignore')
-            self.assertIn('Running: idf.py --version -DAAA -DBBB -DCCC -DDDD', output)
+            self.assertIn('Running: idf.py --version DAAA DBBB DCCC DDDD', output)
         except subprocess.CalledProcessError as e:
             self.fail(f'Process should have exited normally, but it exited with a return code of {e.returncode}')
 
@@ -318,10 +318,10 @@ class TestFileArgumentExpansion(TestCase):
         """Test recursive expansion of @filename arguments"""
         try:
             output = subprocess.check_output(
-                [sys.executable, idf_py_path, '--version', '@args_recursive'],
+                [sys.executable, idf_py_path, '--version', '@file_args_expansion_inputs/args_recursive'],
                 env=os.environ,
                 stderr=subprocess.STDOUT).decode('utf-8', 'ignore')
-            self.assertIn('Running: idf.py --version -DAAA -DBBB -DEEE -DFFF', output)
+            self.assertIn('Running: idf.py --version DAAA DBBB DEEE DFFF', output)
         except subprocess.CalledProcessError as e:
             self.fail(f'Process should have exited normally, but it exited with a return code of {e.returncode}')
 
@@ -329,7 +329,7 @@ class TestFileArgumentExpansion(TestCase):
         """Test circular dependency detection in file argument expansion"""
         with self.assertRaises(subprocess.CalledProcessError) as cm:
             subprocess.check_output(
-                [sys.executable, idf_py_path, '--version', '@args_circular_a'],
+                [sys.executable, idf_py_path, '--version', '@file_args_expansion_inputs/args_circular_a'],
                 env=os.environ,
                 stderr=subprocess.STDOUT).decode('utf-8', 'ignore')
         self.assertIn('Circular dependency in file argument expansion', cm.exception.output.decode('utf-8', 'ignore'))