computer-playbook/tests/unit/cli/build/test_tree_shadow_folder.py

67 lines
2.2 KiB
Python

import os
import sys
import json
import tempfile
import shutil
import unittest
from unittest.mock import patch
# Import the script as a module (assumes the script is named tree.py)
SCRIPT_PATH = os.path.abspath(
os.path.join(os.path.dirname(__file__), "../../../../cli/build/tree.py")
)
class TestTreeShadowFolder(unittest.TestCase):
def setUp(self):
# Create temp roles dir and a dummy role
self.roles_dir = tempfile.mkdtemp()
self.role_name = "dummyrole"
self.role_path = os.path.join(self.roles_dir, self.role_name)
os.makedirs(os.path.join(self.role_path, "meta"))
# Prepare shadow dir
self.shadow_dir = tempfile.mkdtemp()
# Patch sys.argv for the script
self.orig_argv = sys.argv[:]
sys.argv = [
SCRIPT_PATH,
"-d", self.roles_dir,
"-s", self.shadow_dir,
"-o", "json"
]
def tearDown(self):
sys.argv = self.orig_argv
shutil.rmtree(self.roles_dir)
shutil.rmtree(self.shadow_dir)
@patch("cli.build.tree.build_mappings")
@patch("cli.build.tree.output_graph")
def test_tree_json_written_to_shadow_folder(self, mock_output_graph, mock_build_mappings):
# Prepare dummy graph
dummy_graph = {"dummy": {"test": 42}}
mock_build_mappings.return_value = dummy_graph
# Run the script (as __main__)
import runpy
runpy.run_path(SCRIPT_PATH, run_name="__main__")
# Check file in shadow folder
expected_tree_path = os.path.join(
self.shadow_dir, self.role_name, "meta", "tree.json"
)
self.assertTrue(os.path.isfile(expected_tree_path), "tree.json not found in shadow folder")
# Check contents
with open(expected_tree_path) as f:
data = json.load(f)
self.assertEqual(data, dummy_graph, "tree.json content mismatch")
# Ensure nothing was written to original meta/
original_tree_path = os.path.join(self.role_path, "meta", "tree.json")
self.assertFalse(os.path.isfile(original_tree_path), "tree.json should NOT be in role's meta/")
if __name__ == "__main__":
unittest.main()