334 lines
No EOL
12 KiB
Python
334 lines
No EOL
12 KiB
Python
"""
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Tests for the enhanced exception handling system
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"""
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import pytest
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import sys
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from io import StringIO
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from deb_mock.exceptions import (
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DebMockError, ConfigurationError, ChrootError, SbuildError,
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BuildError, DependencyError, MetadataError, CacheError,
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PluginError, NetworkError, PermissionError, ValidationError,
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handle_exception, format_error_context
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)
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class TestDebMockError:
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"""Test the base DebMockError class"""
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def test_basic_error(self):
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"""Test basic error creation"""
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error = DebMockError("Test error message")
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assert str(error) == "Error: Test error message"
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assert error.exit_code == 1
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assert error.context == {}
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assert error.suggestions == []
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def test_error_with_context(self):
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"""Test error with context information"""
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context = {'file': '/path/to/file', 'operation': 'read'}
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error = DebMockError("File operation failed", context=context)
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expected = """Error: File operation failed
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Context:
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file: /path/to/file
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operation: read"""
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assert str(error) == expected
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def test_error_with_suggestions(self):
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"""Test error with suggestions"""
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suggestions = ["Try again", "Check permissions", "Contact admin"]
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error = DebMockError("Operation failed", suggestions=suggestions)
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expected = """Error: Operation failed
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Suggestions:
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1. Try again
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2. Check permissions
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3. Contact admin"""
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assert str(error) == expected
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def test_error_with_context_and_suggestions(self):
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"""Test error with both context and suggestions"""
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context = {'config_file': '/etc/deb-mock.conf'}
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suggestions = ["Check config syntax", "Verify file exists"]
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error = DebMockError("Invalid configuration",
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context=context, suggestions=suggestions)
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expected = """Error: Invalid configuration
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Context:
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config_file: /etc/deb-mock.conf
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Suggestions:
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1. Check config syntax
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2. Verify file exists"""
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assert str(error) == expected
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def test_print_error(self, capsys):
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"""Test error printing to stderr"""
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error = DebMockError("Test error")
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error.print_error()
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captured = capsys.readouterr()
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assert "Error: Test error" in captured.err
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def test_get_exit_code(self):
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"""Test exit code retrieval"""
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error = DebMockError("Test error", exit_code=42)
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assert error.get_exit_code() == 42
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class TestSpecificExceptions:
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"""Test specific exception types"""
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def test_configuration_error(self):
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"""Test ConfigurationError with file and section context"""
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error = ConfigurationError(
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"Invalid configuration",
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config_file="/etc/deb-mock.conf",
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config_section="chroot"
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)
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assert "config_file: /etc/deb-mock.conf" in str(error)
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assert "config_section: chroot" in str(error)
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assert error.exit_code == 2
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assert len(error.suggestions) > 0
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def test_chroot_error(self):
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"""Test ChrootError with operation context"""
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error = ChrootError(
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"Failed to create chroot",
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chroot_name="bookworm-amd64",
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operation="create",
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chroot_path="/var/lib/deb-mock/chroots/bookworm-amd64"
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)
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assert "chroot_name: bookworm-amd64" in str(error)
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assert "operation: create" in str(error)
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assert error.exit_code == 3
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assert "clean-chroot" in str(error.suggestions[3])
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def test_sbuild_error(self):
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"""Test SbuildError with build context"""
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error = SbuildError(
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"Build failed",
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sbuild_config="/etc/sbuild/sbuild.conf",
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build_log="/var/log/sbuild.log",
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return_code=1
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)
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assert "sbuild_config: /etc/sbuild/sbuild.conf" in str(error)
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assert "build_log: /var/log/sbuild.log" in str(error)
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assert "return_code: 1" in str(error)
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assert error.exit_code == 4
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def test_build_error(self):
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"""Test BuildError with source package context"""
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error = BuildError(
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"Package build failed",
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source_package="hello_1.0.dsc",
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build_log="/tmp/build.log",
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artifacts=["hello_1.0-1_amd64.deb"]
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)
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assert "source_package: hello_1.0.dsc" in str(error)
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assert "build_log: /tmp/build.log" in str(error)
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assert "artifacts: ['hello_1.0-1_amd64.deb']" in str(error)
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assert error.exit_code == 5
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def test_dependency_error(self):
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"""Test DependencyError with missing packages"""
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error = DependencyError(
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"Missing build dependencies",
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missing_packages=["build-essential", "devscripts"],
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conflicting_packages=["old-package"]
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)
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assert "missing_packages: ['build-essential', 'devscripts']" in str(error)
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assert "conflicting_packages: ['old-package']" in str(error)
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assert error.exit_code == 6
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def test_cache_error(self):
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"""Test CacheError with cache context"""
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error = CacheError(
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"Cache operation failed",
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cache_type="root_cache",
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cache_path="/var/cache/deb-mock/root-cache",
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operation="restore"
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)
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assert "cache_type: root_cache" in str(error)
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assert "cache_path: /var/cache/deb-mock/root-cache" in str(error)
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assert "operation: restore" in str(error)
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assert error.exit_code == 8
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def test_network_error(self):
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"""Test NetworkError with network context"""
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error = NetworkError(
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"Repository access failed",
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url="http://deb.debian.org/debian/",
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proxy="http://proxy.example.com:3128",
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timeout=30
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)
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assert "url: http://deb.debian.org/debian/" in str(error)
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assert "proxy: http://proxy.example.com:3128" in str(error)
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assert "timeout: 30" in str(error)
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assert error.exit_code == 10
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def test_permission_error(self):
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"""Test PermissionError with permission context"""
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error = PermissionError(
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"Insufficient privileges",
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operation="create_chroot",
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path="/var/lib/deb-mock",
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required_privileges="root"
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)
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assert "operation: create_chroot" in str(error)
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assert "path: /var/lib/deb-mock" in str(error)
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assert "required_privileges: root" in str(error)
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assert error.exit_code == 11
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def test_validation_error(self):
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"""Test ValidationError with validation context"""
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error = ValidationError(
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"Invalid architecture",
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field="architecture",
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value="invalid-arch",
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expected_format="amd64, i386, arm64, etc."
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)
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assert "field: architecture" in str(error)
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assert "value: invalid-arch" in str(error)
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assert "expected_format: amd64, i386, arm64, etc." in str(error)
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assert error.exit_code == 12
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class TestHelperFunctions:
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"""Test helper functions"""
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def test_format_error_context(self):
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"""Test format_error_context helper"""
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context = format_error_context(
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file="/path/to/file",
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operation="read",
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user="testuser",
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none_value=None
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)
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expected = {
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'file': '/path/to/file',
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'operation': 'read',
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'user': 'testuser'
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}
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assert context == expected
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assert 'none_value' not in context
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def test_handle_exception_decorator_success(self):
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"""Test handle_exception decorator with successful function"""
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@handle_exception
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def successful_function():
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return "success"
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result = successful_function()
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assert result == "success"
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def test_handle_exception_decorator_debmock_error(self, capsys):
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"""Test handle_exception decorator with DebMockError"""
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@handle_exception
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def failing_function():
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raise ConfigurationError("Config error", config_file="/etc/config")
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with pytest.raises(SystemExit) as exc_info:
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failing_function()
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assert exc_info.value.code == 2
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captured = capsys.readouterr()
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assert "Error: Config error" in captured.err
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assert "config_file: /etc/config" in captured.err
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def test_handle_exception_decorator_unexpected_error(self, capsys):
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"""Test handle_exception decorator with unexpected error"""
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@handle_exception
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def unexpected_error_function():
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raise ValueError("Unexpected value error")
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with pytest.raises(SystemExit) as exc_info:
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unexpected_error_function()
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assert exc_info.value.code == 1
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captured = capsys.readouterr()
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assert "Unexpected error: Unexpected value error" in captured.err
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assert "This may be a bug in deb-mock" in captured.err
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class TestExceptionIntegration:
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"""Test exception integration scenarios"""
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def test_chroot_creation_error_scenario(self):
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"""Test realistic chroot creation error scenario"""
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error = ChrootError(
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"Failed to create chroot environment",
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chroot_name="bookworm-amd64",
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operation="debootstrap",
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chroot_path="/var/lib/deb-mock/chroots/bookworm-amd64"
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)
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error_str = str(error)
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# Check that all context information is present
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assert "chroot_name: bookworm-amd64" in error_str
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assert "operation: debootstrap" in error_str
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assert "chroot_path: /var/lib/deb-mock/chroots/bookworm-amd64" in error_str
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# Check that helpful suggestions are provided
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assert "sufficient disk space" in error_str
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assert "root privileges" in error_str
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assert "clean-chroot" in error_str
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# Check exit code
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assert error.exit_code == 3
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def test_build_failure_scenario(self):
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"""Test realistic build failure scenario"""
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error = BuildError(
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"Package build failed due to compilation errors",
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source_package="myapp_1.0.dsc",
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build_log="/tmp/build_myapp.log",
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artifacts=[]
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)
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error_str = str(error)
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# Check context information
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assert "source_package: myapp_1.0.dsc" in error_str
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assert "build_log: /tmp/build_myapp.log" in error_str
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# Check helpful suggestions
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assert "build log" in error_str
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assert "build dependencies" in error_str
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assert "verbose output" in error_str
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# Check exit code
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assert error.exit_code == 5
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def test_dependency_resolution_scenario(self):
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"""Test realistic dependency resolution scenario"""
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error = DependencyError(
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"Unable to resolve build dependencies",
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missing_packages=["libssl-dev", "libcurl4-openssl-dev"],
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conflicting_packages=["libssl1.0-dev"]
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)
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error_str = str(error)
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# Check context information
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assert "libssl-dev" in error_str
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assert "libcurl4-openssl-dev" in error_str
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assert "libssl1.0-dev" in error_str
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# Check helpful suggestions
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assert "Install missing build dependencies" in error_str
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assert "Resolve package conflicts" in error_str
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assert "update-chroot" in error_str
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# Check exit code
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assert error.exit_code == 6 |