Verifier System

class Verifier:
    """Base class for all verifiers."""
    
    @property
    def name(self):
        """
        Name of the verifier.
        
        Returns:
            str: Verifier name identifier
        """
    
    @property
    def default_options(self):
        """
        Get default CLI arguments.
        
        Returns:
            dict: Default command-line options for the verifier
        """
    
    @property
    def default_env(self):
        """
        Get default env variables.
        
        Returns:
            dict[str, str]: Default environment variables
        """
    
    def execute(self, action_args):
        """
        Execute cmd.
        
        Args:
            action_args (list[str]): Command arguments to execute
            
        Returns:
            CompletedProcess: Result of command execution
        """
    
    def schema(self):
        """
        Return validation schema.
        
        Returns:
            dict: Schema for validating verifier configuration
        """

class Verifier:
    @property
    def enabled(self):
        """
        Is the verifier enabled.
        
        Returns:
            bool: True if verifier is enabled for execution
        """
    
    @property
    def directory(self):
        """
        Verifier directory.
        
        Returns:
            str: Path to verifier test files and configuration
        """
    
    @property
    def options(self):
        """
        Computed options for this verifier.
        
        Returns:
            dict: Merged default and user-specified options
        """
    
    @property
    def env(self):
        """
        Computed environment variables for this verifier.
        
        Returns:
            dict[str, str]: Merged default and user-specified environment
        """

class Ansible(Verifier):
    """
    Default test verifier using Ansible playbooks.
    
    Executes Ansible playbooks as test suites, allowing for complex
    testing scenarios using native Ansible modules and tasks.
    """
    
    @property
    def name(self):
        """Returns 'ansible'."""
    
    @property
    def default_options(self):
        """Default options for ansible-playbook execution."""
    
    @property
    def default_env(self):
        """Default environment variables for Ansible."""

class Testinfra(Verifier):
    """
    Testinfra-based verifier for infrastructure testing.
    
    Uses pytest and testinfra to write Python-based infrastructure
    tests that can validate system state, services, and configuration.
    """
    
    @property
    def name(self):
        """Returns 'testinfra'."""
    
    @property
    def default_options(self):
        """Default options for pytest/testinfra execution."""
    
    @property
    def default_env(self):
        """Default environment variables for testinfra."""

class VerifierData:
    """Molecule verifier configuration."""
    name: str
    directory: str
    enabled: bool
    options: dict[str, str | bool]
    env: dict[str, str]
    additional_files_or_dirs: list[str]

from molecule.verifier.base import Verifier
import subprocess

class CustomVerifier(Verifier):
    def __init__(self, config=None):
        super().__init__(config)
        self._name = "custom"
    
    @property
    def name(self):
        return self._name
    
    @property
    def default_options(self):
        return {
            "verbose": True,
            "timeout": 300
        }
    
    @property
    def default_env(self):
        return {
            "CUSTOM_TEST_ENV": "test"
        }
    
    def execute(self, action_args):
        """Execute custom test suite."""
        cmd = ["custom-test-runner"] + action_args
        return subprocess.run(
            cmd,
            env=self.env,
            capture_output=True,
            text=True
        )
    
    def schema(self):
        return {
            "type": "object",
            "properties": {
                "name": {"type": "string"},
                "options": {"type": "object"},
                "env": {"type": "object"}
            }
        }

from molecule.api import verifiers
from molecule.config import Config

# Get available verifiers
available_verifiers = verifiers()
ansible_verifier = available_verifiers.get("ansible")

if ansible_verifier:
    print(f"Verifier: {ansible_verifier.name}")
    print(f"Enabled: {ansible_verifier.enabled}")
    print(f"Directory: {ansible_verifier.directory}")
    print(f"Options: {ansible_verifier.options}")
    
    # Execute verification tests
    if ansible_verifier.enabled:
        result = ansible_verifier.execute([])
        print(f"Test result: {result.returncode}")

# Using the built-in Ansible verifier
from molecule.verifier.ansible import Ansible

verifier = Ansible()
print(f"Default options: {verifier.default_options}")

# Execute with custom arguments
result = verifier.execute([
    "--inventory", "inventory/",
    "--extra-vars", "test_var=value",
    "verify.yml"
])

# Using the built-in Testinfra verifier  
from molecule.verifier.testinfra import Testinfra

verifier = Testinfra()
print(f"Test directory: {verifier.directory}")

# Execute testinfra tests
result = verifier.execute([
    "--verbose",
    "--connection=ansible",
    "--ansible-inventory=inventory/",
    "tests/"
])

# molecule.yml
verifier:
  name: ansible
  enabled: true
  directory: verify
  options:
    verbose: true
    diff: true
  env:
    ANSIBLE_ROLES_PATH: ../roles
  additional_files_or_dirs:
    - ../shared_tests/

# Using testinfra verifier
verifier:
  name: testinfra
  enabled: true
  directory: tests
  options:
    verbose: true
    junit-xml: results.xml
  env:
    TESTINFRA_BACKEND: ansible
  additional_files_or_dirs:
    - ../common_tests/