430 lines
16 KiB
Python
430 lines
16 KiB
Python
#!/usr/bin/env python3
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"""
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Integration Tests for Debian bootc-image-builder
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This module contains comprehensive integration tests that test all Debian osbuild stages
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together in a complete pipeline to ensure they work correctly together.
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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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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 TestFullPipeline(unittest.TestCase):
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"""Integration tests for the complete Debian osbuild pipeline."""
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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 mock context
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self.mock_context = Mock()
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self.mock_context.root = self.temp_dir
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# Mock the context.run method
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self.mock_context.run.return_value = 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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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_complete_pipeline_execution(self):
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"""Test the complete pipeline execution with all stages."""
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logger.info("Testing complete pipeline execution")
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# Step 1: Filesystem Stage
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logger.info("Step 1: Executing Debian Filesystem Stage")
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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.mock_context)
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# Verify filesystem structure was created
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'usr')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'var')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'home')))
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# Verify OSTree integration points
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'ostree')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'usr', 'lib', 'ostree-boot')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'ostree')))
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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))
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self.assertEqual(os.readlink(home_path), '../var/home')
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logger.info("✓ Filesystem stage completed successfully")
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# Step 2: APT Stage
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logger.info("Step 2: Executing APT Stage")
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.mock_context)
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# Verify APT configuration was created
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'apt', 'apt.conf.d', '99osbuild')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'apt', 'sources.list.d', 'debian.list')))
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logger.info("✓ APT stage completed successfully")
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# Step 3: Kernel Stage
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logger.info("Step 3: Executing Debian 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.mock_context)
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# Verify kernel stage setup
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'initramfs-tools')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'modules-load.d')))
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logger.info("✓ Kernel stage completed successfully")
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# Step 4: GRUB Stage
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logger.info("Step 4: Executing Debian 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.mock_context)
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# Verify GRUB configuration was created
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'default', 'grub')))
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self.assertTrue(os.path.exists(os.path.join(self.temp_dir, 'etc', 'grub.d', '10_ostree')))
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logger.info("✓ GRUB stage completed successfully")
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logger.info("✓ Complete pipeline execution successful")
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def test_stage_dependencies(self):
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"""Test that stages handle dependencies correctly."""
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logger.info("Testing stage dependencies")
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# Test that filesystem stage creates required directories for other stages
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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.mock_context)
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# Verify that APT stage can find its required directories
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.mock_context)
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# Verify that kernel stage can find its required directories
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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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})
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kernel_stage.run(self.mock_context)
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# Verify that GRUB stage can find its required directories
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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.mock_context)
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logger.info("✓ Stage dependencies handled correctly")
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def test_ostree_integration_consistency(self):
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"""Test that OSTree integration is consistent across all stages."""
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logger.info("Testing OSTree integration consistency")
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# Execute all stages with OSTree integration
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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.mock_context)
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apt_stage = AptStage(self.test_options)
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apt_stage.run(self.mock_context)
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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.mock_context)
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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.mock_context)
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# Verify OSTree configuration consistency
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ostree_conf = os.path.join(self.temp_dir, 'etc', 'ostree', 'ostree.conf')
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self.assertTrue(os.path.exists(ostree_conf))
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# Verify OSTree boot directory structure
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ostree_boot = os.path.join(self.temp_dir, 'usr', 'lib', 'ostree-boot')
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self.assertTrue(os.path.exists(ostree_boot))
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# Verify GRUB OSTree 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))
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logger.info("✓ OSTree integration consistent across all stages")
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def test_error_handling(self):
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"""Test error handling in the pipeline."""
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logger.info("Testing error handling")
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# Test with invalid options
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with self.assertRaises(ValueError):
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invalid_apt_stage = AptStage({}) # No packages specified
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# Test with missing context
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with self.assertRaises(AttributeError):
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filesystem_stage = DebianFilesystemStage({'ostree_integration': True})
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filesystem_stage.run(None)
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logger.info("✓ Error handling working correctly")
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def test_performance_optimization(self):
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"""Test that the pipeline is optimized for performance."""
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logger.info("Testing performance optimization")
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import time
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# Measure execution time for each 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.mock_context)
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filesystem_time = time.time() - start_time
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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.mock_context)
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apt_time = time.time() - start_time
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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.mock_context)
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kernel_time = time.time() - start_time
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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.mock_context)
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grub_time = time.time() - start_time
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total_time = filesystem_time + apt_time + kernel_time + grub_time
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logger.info(f"Stage execution times:")
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logger.info(f" Filesystem: {filesystem_time:.3f}s")
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logger.info(f" APT: {apt_time:.3f}s")
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logger.info(f" Kernel: {kernel_time:.3f}s")
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logger.info(f" GRUB: {grub_time:.3f}s")
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logger.info(f" Total: {total_time:.3f}s")
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# Verify reasonable performance (should complete in under 5 seconds for mock)
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self.assertLess(total_time, 5.0)
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logger.info("✓ Performance optimization verified")
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def test_filesystem_permissions(self):
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"""Test that filesystem permissions are set correctly."""
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logger.info("Testing filesystem permissions")
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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.mock_context)
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# Test critical permission settings
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permissions_to_test = [
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('/etc/passwd', 0o644),
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('/etc/group', 0o644),
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('/etc/shadow', 0o640),
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('/root', 0o700),
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('/tmp', 0o1777),
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('/var/tmp', 0o1777)
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]
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for path, expected_mode in permissions_to_test:
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full_path = os.path.join(self.temp_dir, path.lstrip('/'))
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if os.path.exists(full_path):
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actual_mode = oct(os.stat(full_path).st_mode)[-3:]
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expected_mode_str = oct(expected_mode)[-3:]
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self.assertEqual(actual_mode, expected_mode_str,
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f"Permission mismatch for {path}: expected {expected_mode_str}, got {actual_mode}")
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logger.info("✓ Filesystem permissions set correctly")
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def test_user_and_group_setup(self):
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"""Test that users and groups are set up correctly."""
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logger.info("Testing user and group setup")
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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.mock_context)
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# Test passwd file
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passwd_file = os.path.join(self.temp_dir, 'etc', 'passwd')
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self.assertTrue(os.path.exists(passwd_file))
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with open(passwd_file, 'r') as f:
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passwd_content = f.read()
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self.assertIn('root:x:0:0:root:/root:/bin/bash', passwd_content)
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self.assertIn('debian:x:1000:1000:Debian User:/home/debian:/bin/bash', passwd_content)
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# Test group file
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group_file = os.path.join(self.temp_dir, 'etc', 'group')
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self.assertTrue(os.path.exists(group_file))
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with open(group_file, 'r') as f:
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group_content = f.read()
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self.assertIn('root:x:0:', group_content)
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self.assertIn('users:x:100:', group_content)
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# Test home directories
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root_home = os.path.join(self.temp_dir, 'var', 'home', 'root')
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debian_home = os.path.join(self.temp_dir, 'var', 'home', 'debian')
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self.assertTrue(os.path.exists(root_home))
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self.assertTrue(os.path.exists(debian_home))
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logger.info("✓ User and group setup correct")
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class TestPipelineConfiguration(unittest.TestCase):
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"""Tests for pipeline configuration and options."""
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def test_distribution_definition_parsing(self):
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"""Test that distribution definitions can be parsed correctly."""
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logger.info("Testing distribution definition parsing")
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# Test parsing of debian-13.yaml
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yaml_file = os.path.join(os.path.dirname(__file__), '..', '..', 'bib', 'data', 'defs', 'debian-13.yaml')
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if os.path.exists(yaml_file):
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import yaml
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with open(yaml_file, 'r') as f:
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config = yaml.safe_load(f)
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# Verify basic structure
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self.assertIn('qcow2', config)
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self.assertIn('desktop', config)
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self.assertIn('server', config)
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self.assertIn('development', config)
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# Verify qcow2 configuration
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qcow2_config = config['qcow2']
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self.assertIn('packages', qcow2_config)
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self.assertIn('stages', qcow2_config)
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# Verify packages list
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packages = qcow2_config['packages']
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self.assertIn('linux-image-amd64', packages)
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self.assertIn('systemd', packages)
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self.assertIn('initramfs-tools', packages)
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logger.info("✓ Distribution definition parsing successful")
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else:
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logger.warning("Distribution definition file not found, skipping test")
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def test_stage_option_validation(self):
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"""Test that stage options are validated correctly."""
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logger.info("Testing stage option validation")
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# Test APT stage validation
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with self.assertRaises(ValueError):
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AptStage({}) # No packages
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# Test valid APT stage
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valid_apt = AptStage({'packages': ['linux-image-amd64']})
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self.assertEqual(valid_apt.packages, ['linux-image-amd64'])
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# Test kernel stage validation
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valid_kernel = DebianKernelStage({
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'kernel_package': 'linux-image-amd64',
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'ostree_integration': True
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})
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self.assertEqual(valid_kernel.kernel_package, 'linux-image-amd64')
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self.assertTrue(valid_kernel.ostree_integration)
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# Test GRUB stage validation
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valid_grub = DebianGrubStage({
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'ostree_integration': True,
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'uefi': True
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})
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self.assertTrue(valid_grub.ostree_integration)
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self.assertTrue(valid_grub.uefi)
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# Test filesystem stage validation
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valid_fs = DebianFilesystemStage({
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'ostree_integration': True,
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'home_symlink': True
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})
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self.assertTrue(valid_fs.ostree_integration)
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self.assertTrue(valid_fs.home_symlink)
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logger.info("✓ Stage option validation working correctly")
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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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