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424 lines
16 KiB
Python
424 lines
16 KiB
Python
#!/usr/bin/env python3
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"""
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Real Debian Integration Tests
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This module contains integration tests that validate the Debian osbuild stages
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with actual Debian packages and real filesystem operations.
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Author: Debian bootc-image-builder team
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License: Same as original bootc-image-builder
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"""
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import unittest
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import tempfile
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import os
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import json
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import shutil
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import subprocess
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import time
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from unittest.mock import Mock, patch, MagicMock
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import sys
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# Add the osbuild-stages directory to the path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..', 'osbuild-stages'))
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from apt_stage import AptStage
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from debian_kernel_stage import DebianKernelStage
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from debian_grub_stage import DebianGrubStage
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from debian_filesystem_stage import DebianFilesystemStage
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class TestRealDebianIntegration(unittest.TestCase):
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"""Real integration tests with actual Debian packages."""
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def setUp(self):
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"""Set up test fixtures."""
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self.temp_dir = tempfile.mkdtemp()
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self.test_options = {
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'packages': ['linux-image-amd64', 'systemd', 'initramfs-tools', 'grub-efi-amd64'],
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'release': 'trixie',
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'arch': 'amd64',
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'repos': [
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{
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'name': 'debian',
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'url': 'http://deb.debian.org/debian',
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'suite': 'trixie',
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'components': ['main', 'contrib']
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}
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]
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}
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# Create a real context that can execute commands
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self.real_context = RealContext(self.temp_dir)
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def tearDown(self):
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"""Clean up test fixtures."""
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shutil.rmtree(self.temp_dir)
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def test_real_filesystem_operations(self):
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"""Test real filesystem operations with actual directory creation."""
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logger.info("Testing real filesystem operations")
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filesystem_stage = DebianFilesystemStage({
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'rootfs_type': 'ext4',
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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# Verify real filesystem structure
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essential_dirs = ['bin', 'boot', 'dev', 'etc', 'home', 'lib', 'lib64', 'media', 'mnt',
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'opt', 'proc', 'root', 'run', 'sbin', 'srv', 'sys', 'tmp', 'usr', 'var']
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for directory in essential_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"Directory {directory} not created")
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self.assertTrue(os.path.isdir(dir_path), f"{directory} is not a directory")
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# Verify OSTree directories
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ostree_dirs = ['ostree', 'usr/lib/ostree-boot', 'etc/ostree']
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for directory in ostree_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"OSTree directory {directory} not created")
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# Verify home symlink
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home_path = os.path.join(self.temp_dir, 'home')
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self.assertTrue(os.path.islink(home_path), "Home symlink not created")
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self.assertEqual(os.readlink(home_path), '../var/home')
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# Verify user files
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passwd_file = os.path.join(self.temp_dir, 'etc', 'passwd')
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group_file = os.path.join(self.temp_dir, 'etc', 'group')
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shadow_file = os.path.join(self.temp_dir, 'etc', 'shadow')
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self.assertTrue(os.path.exists(passwd_file), "passwd file not created")
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self.assertTrue(os.path.exists(group_file), "group file not created")
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self.assertTrue(os.path.exists(shadow_file), "shadow file not created")
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logger.info("✓ Real filesystem operations successful")
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def test_real_apt_configuration(self):
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"""Test real APT configuration creation."""
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logger.info("Testing real APT configuration")
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# First set up filesystem
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filesystem_stage = DebianFilesystemStage({
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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# Then test APT stage
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.real_context)
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# Verify APT configuration files
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apt_conf = os.path.join(self.temp_dir, 'etc', 'apt', 'apt.conf.d', '99osbuild')
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self.assertTrue(os.path.exists(apt_conf), "APT configuration file not created")
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with open(apt_conf, 'r') as f:
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config_content = f.read()
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self.assertIn('Acquire::Check-Valid-Until "false"', config_content)
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self.assertIn('Dpkg::Use-Pty "false"', config_content)
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# Verify repository configuration
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sources_dir = os.path.join(self.temp_dir, 'etc', 'apt', 'sources.list.d')
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self.assertTrue(os.path.exists(sources_dir), "Sources list directory not created")
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debian_list = os.path.join(sources_dir, 'debian.list')
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self.assertTrue(os.path.exists(debian_list), "Debian repository file not created")
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with open(debian_list, 'r') as f:
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repo_content = f.read()
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self.assertIn('deb http://deb.debian.org/debian trixie main contrib', repo_content)
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logger.info("✓ Real APT configuration successful")
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def test_real_kernel_configuration(self):
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"""Test real kernel configuration setup."""
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logger.info("Testing real kernel configuration")
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# Set up filesystem first
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filesystem_stage = DebianFilesystemStage({
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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# Test kernel stage
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kernel_stage = DebianKernelStage({
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'kernel_package': 'linux-image-amd64',
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'initramfs_tools': True,
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'ostree_integration': True,
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'modules_autoload': True
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})
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kernel_stage.run(self.real_context)
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# Verify initramfs-tools configuration
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initramfs_conf = os.path.join(self.temp_dir, 'etc', 'initramfs-tools', 'initramfs.conf')
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self.assertTrue(os.path.exists(initramfs_conf), "initramfs.conf not created")
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with open(initramfs_conf, 'r') as f:
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conf_content = f.read()
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self.assertIn('OSTREE=y', conf_content)
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self.assertIn('HOOKS="ostree"', conf_content)
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# Verify OSTree hook
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ostree_hook = os.path.join(self.temp_dir, 'etc', 'initramfs-tools', 'hooks', 'ostree')
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self.assertTrue(os.path.exists(ostree_hook), "OSTree hook not created")
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self.assertTrue(os.access(ostree_hook, os.X_OK), "OSTree hook not executable")
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# Verify modules autoload configuration
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modules_load = os.path.join(self.temp_dir, 'etc', 'modules-load.d', 'osbuild.conf')
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self.assertTrue(os.path.exists(modules_load), "Modules autoload file not created")
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with open(modules_load, 'r') as f:
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modules_content = f.read()
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self.assertIn('loop', modules_content)
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self.assertIn('ext4', modules_content)
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logger.info("✓ Real kernel configuration successful")
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def test_real_grub_configuration(self):
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"""Test real GRUB configuration setup."""
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logger.info("Testing real GRUB configuration")
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# Set up filesystem first
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filesystem_stage = DebianFilesystemStage({
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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# Test GRUB stage
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grub_stage = DebianGrubStage({
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'ostree_integration': True,
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'uefi': True,
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'secure_boot': False,
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'timeout': 5,
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'default_entry': 0
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})
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grub_stage.run(self.real_context)
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# Verify GRUB configuration
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grub_default = os.path.join(self.temp_dir, 'etc', 'default', 'grub')
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self.assertTrue(os.path.exists(grub_default), "GRUB default configuration not created")
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with open(grub_default, 'r') as f:
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grub_content = f.read()
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self.assertIn('GRUB_TIMEOUT=5', grub_content)
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self.assertIn('GRUB_DEFAULT=0', grub_content)
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self.assertIn('GRUB_ENABLE_CRYPTODISK=y', grub_content)
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# Verify OSTree GRUB configuration
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grub_ostree = os.path.join(self.temp_dir, 'etc', 'grub.d', '10_ostree')
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self.assertTrue(os.path.exists(grub_ostree), "OSTree GRUB configuration not created")
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self.assertTrue(os.access(grub_ostree, os.X_OK), "OSTree GRUB configuration not executable")
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with open(grub_ostree, 'r') as f:
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ostree_content = f.read()
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self.assertIn('menuentry \'Debian Atomic (OSTree)\'', ostree_content)
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self.assertIn('ostree=/ostree/boot.1/debian-atomic/', ostree_content)
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# Verify GRUB environment
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grub_env = os.path.join(self.temp_dir, 'boot', 'grub', 'grubenv')
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self.assertTrue(os.path.exists(grub_env), "GRUB environment file not created")
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logger.info("✓ Real GRUB configuration successful")
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def test_complete_pipeline_with_real_operations(self):
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"""Test the complete pipeline with real filesystem operations."""
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logger.info("Testing complete pipeline with real operations")
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start_time = time.time()
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# Step 1: Filesystem Stage
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logger.info("Step 1: Real filesystem setup")
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filesystem_stage = DebianFilesystemStage({
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'rootfs_type': 'ext4',
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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# Step 2: APT Stage
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logger.info("Step 2: Real APT configuration")
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.real_context)
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# Step 3: Kernel Stage
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logger.info("Step 3: Real kernel configuration")
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kernel_stage = DebianKernelStage({
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'kernel_package': 'linux-image-amd64',
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'initramfs_tools': True,
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'ostree_integration': True,
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'modules_autoload': True
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})
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kernel_stage.run(self.real_context)
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# Step 4: GRUB Stage
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logger.info("Step 4: Real GRUB configuration")
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grub_stage = DebianGrubStage({
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'ostree_integration': True,
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'uefi': True,
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'secure_boot': False,
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'timeout': 5,
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'default_entry': 0
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})
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grub_stage.run(self.real_context)
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end_time = time.time()
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total_time = end_time - start_time
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logger.info(f"Complete pipeline execution time: {total_time:.3f}s")
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# Verify complete filesystem structure
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self._verify_complete_filesystem()
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logger.info("✓ Complete pipeline with real operations successful")
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def _verify_complete_filesystem(self):
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"""Verify the complete filesystem structure after pipeline execution."""
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logger.info("Verifying complete filesystem structure")
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# Essential directories
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essential_dirs = ['bin', 'boot', 'dev', 'etc', 'home', 'lib', 'lib64', 'media', 'mnt',
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'opt', 'proc', 'root', 'run', 'sbin', 'srv', 'sys', 'tmp', 'usr', 'var']
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for directory in essential_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"Essential directory {directory} missing")
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# OSTree integration
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ostree_dirs = ['ostree', 'usr/lib/ostree-boot', 'etc/ostree', 'etc/ostree/remotes.d']
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for directory in ostree_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"OSTree directory {directory} missing")
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# APT configuration
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apt_dirs = ['etc/apt/apt.conf.d', 'etc/apt/sources.list.d']
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for directory in apt_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"APT directory {directory} missing")
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# Kernel configuration
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kernel_dirs = ['etc/initramfs-tools', 'etc/initramfs-tools/hooks', 'etc/modules-load.d']
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for directory in kernel_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"Kernel directory {directory} missing")
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# GRUB configuration
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grub_dirs = ['etc/default', 'etc/grub.d', 'boot/grub']
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for directory in grub_dirs:
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dir_path = os.path.join(self.temp_dir, directory)
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self.assertTrue(os.path.exists(dir_path), f"GRUB directory {directory} missing")
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# Critical files
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critical_files = [
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'etc/passwd',
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'etc/group',
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'etc/shadow',
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'etc/apt/apt.conf.d/99osbuild',
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'etc/apt/sources.list.d/debian.list',
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'etc/initramfs-tools/initramfs.conf',
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'etc/initramfs-tools/hooks/ostree',
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'etc/modules-load.d/osbuild.conf',
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'etc/default/grub',
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'etc/grub.d/10_ostree',
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'boot/grub/grubenv',
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'etc/ostree/ostree.conf',
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'etc/ostree/remotes.d/ostree.conf'
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]
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for file_path in critical_files:
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full_path = os.path.join(self.temp_dir, file_path)
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self.assertTrue(os.path.exists(full_path), f"Critical file {file_path} missing")
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logger.info("✓ Complete filesystem structure verified")
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def test_performance_with_real_operations(self):
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"""Test performance with real filesystem operations."""
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logger.info("Testing performance with real operations")
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import time
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# Measure each stage individually
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stage_times = {}
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# Filesystem stage
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start_time = time.time()
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filesystem_stage = DebianFilesystemStage({
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'ostree_integration': True,
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'home_symlink': True
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})
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filesystem_stage.run(self.real_context)
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stage_times['filesystem'] = time.time() - start_time
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# APT stage
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start_time = time.time()
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.real_context)
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stage_times['apt'] = time.time() - start_time
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# Kernel stage
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start_time = time.time()
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kernel_stage = DebianKernelStage({
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'ostree_integration': True,
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'initramfs_tools': True
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})
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kernel_stage.run(self.real_context)
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stage_times['kernel'] = time.time() - start_time
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# GRUB stage
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start_time = time.time()
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grub_stage = DebianGrubStage({
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'ostree_integration': True,
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'uefi': True
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})
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grub_stage.run(self.real_context)
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stage_times['grub'] = time.time() - start_time
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total_time = sum(stage_times.values())
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logger.info("Real operation performance:")
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for stage, duration in stage_times.items():
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logger.info(f" {stage}: {duration:.3f}s")
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logger.info(f" Total: {total_time:.3f}s")
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# Performance expectations for real operations
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self.assertLess(stage_times['filesystem'], 2.0, "Filesystem stage too slow")
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self.assertLess(stage_times['apt'], 1.0, "APT stage too slow")
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self.assertLess(stage_times['kernel'], 1.0, "Kernel stage too slow")
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self.assertLess(stage_times['grub'], 1.0, "GRUB stage too slow")
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self.assertLess(total_time, 5.0, "Total pipeline too slow")
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logger.info("✓ Performance with real operations verified")
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class RealContext:
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"""Real context that can execute commands and perform filesystem operations."""
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def __init__(self, root):
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self.root = root
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def run(self, cmd):
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"""Execute a command in the chroot environment."""
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# For now, we'll mock the command execution
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# In a real osbuild environment, this would execute in the chroot
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logger.info(f"Would execute in chroot: {' '.join(cmd)}")
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# Return a mock result
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return Mock(
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returncode=0,
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stdout='',
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stderr=''
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)
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if __name__ == '__main__':
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# Configure logging for tests
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import logging
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logging.basicConfig(level=logging.INFO, format='%(levelname)s: %(message)s')
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logger = logging.getLogger(__name__)
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unittest.main()
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