testplan.common.entity package

Submodules

testplan.common.entity.base module

Module containing base classes that represent object entities that can accept configuration, start/stop/run/abort, create results and have some state.

class testplan.common.entity.base.Entity(**options)

Bases: testplan.common.utils.logger.Loggable

Base class for Entity and Resource objects providing common functionality like runpath creation, abort policy and common attributes.

Parameters:

• runpath (str or NoneType callable that returns str) – Path to be used for temp/output files by entity.
• path_cleanup (bool) – Remove previous runpath created dirs/files.
• status_wait_timeout (int) – Timeout for wait status events.
• abort_wait_timeout (int) – Timeout for entity abort.
• active_loop_sleep (float) – Sleep time on busy waiting loops.

CONFIG

alias of EntityConfig

STATUS

alias of EntityStatus

abort()

Default abort policy. First abort all dependencies and then itself.

abort_dependencies()

Returns an empty generator.

aborted

Returns if entity was aborted.

aborting()

Aborting logic for self.

active

Entity not aborting/aborted.

cfg

Configuration object.

context_input(exclude: list = None) → Dict[str, Any]

All attr of self in a dict for context resolution

define_runpath()

Define runpath directory based on parent object and configuration.

classmethod filter_locals(local_vars)

Filter out init params of None value, they will take default value defined in its ConfigOption object; also filter out special vars that are not init params from local_vars.

Parameters:local_vars –

logger

logger object

make_runpath_dirs()

Creates runpath related directories.

parent

Returns parent Entity.

pause()

Pauses entity execution.

pausing()

report

A handle to access the report via recursive parent

resume()

Resumes entity execution.

resuming()

runpath

Path to be used for temp/output files by entity.

scratch

Path to be used for temp files by entity.

status

Status object.

timer

uid()

Unique identifier of self.

wait(target_status, timeout=None)

Wait until objects status becomes target status.

Parameters:

• target_status (str) – expected status
• timeout (int or NoneType) – timeout in seconds

class testplan.common.entity.base.EntityConfig(**options)

Bases: testplan.common.config.base.Config

Configuration object for Entity object.

All classes that inherit Entity can define a configuration that inherits this one’s schema.

classmethod build_schema()

Build a validation schema using the config options defined in this class and its parent classes.

denormalize()

Create new config object that inherits all explicit attributes from its parents as well.

get_local(name, default=None)

Returns a local config setting (not from container)

classmethod get_options()

Config options for base Entity class.

ignore_extra_keys = False

parent

Returns the parent configuration.

set_local(name, value)

set without any check

class testplan.common.entity.base.EntityStatus

Bases: object

Represents current status of an Entity object.

TODO: Utilise metadata to store information.

NONE = None

PAUSED = 'PAUSED'

PAUSING = 'PAUSING'

RESUMING = 'RESUMING'

change(new)

Transition to new status.

Parameters:new (NoneType or str) – status to be set

clear_metadata()

Re-initializes metadata as empty.

metadata

TODO

reset()

Reset status as None.

tag

Current status value.

transitions()

Returns all legal transitions of the status of the Entity.

update_metadata(**metadata)

Updates metadata.

Parameters:metadata (OrderedDict) – additional metadata

class testplan.common.entity.base.Environment(parent: Optional[Entity] = None)

Bases: object

A collection of resources that can be started/stopped.

Parameters:parent (Entity) – Reference to parent object.

add(item: testplan.common.entity.base.Resource, uid: Optional[str] = None) → str

Adds a Resource to the Environment.

Parameters:

• item (Resource) – Resource to be added.
• uid (str or NoneType) – Unique identifier.

Returns:

Unique identifier assigned to item added.

Return type:

str

all_status(target) → bool

Checks whether all resources have target status.

Parameters:target (str) – expected status

first() → str

Returns the UID of the first resource of the environment.

get(key: str, default=None) → testplan.common.entity.base.Resource

items()

remove(uid: str) → None

Removes resource with the given uid from the environment.

Parameters:uid – Unique identifier.

start()

Starts all resources sequentially and log errors.

start_in_pool(pool)

Start all resources concurrently in thread pool.

Parameters:pool (ThreadPool) – thread pool

stop(is_reversed=False)

Stop all resources, optionally in reverse order, and log exceptions.

Parameters:is_reversed (bool) – flag whether to stop resources in reverse order

stop_in_pool(pool, is_reversed=False)

Stop all resources in reverse order and log exceptions.

Parameters:

• pool (ThreadPool) – thread pool
• is_reversed (bool) – flag whether to stop resources in reverse order

class testplan.common.entity.base.FailedAction(error_msg)

Bases: object

Simple falsy container that can be used for returning results of certain failed async actions.

The error_msg can later on be used for enriching the error messages.

class testplan.common.entity.base.ReportLink(name: str)

Bases: object

A recursive linkage that will be available to all Entity object.

class testplan.common.entity.base.Resource(**options)

Bases: testplan.common.entity.base.Entity

An object that can be started/stopped and expose its context object of key/value pair information.

A Resource is usually part of an Environment object of a Runnable object.

Parameters:

• async_start (bool) – Resource can start asynchronously.
• auto_start (bool) – Enables the Environment to start the Resource automatically.

Also inherits all Entity options.

CONFIG

alias of ResourceConfig

STATUS

alias of ResourceStatus

abort()

Default abort policy. First abort all dependencies and then itself.

abort_dependencies()

Returns an empty generator.

aborted

Returns if entity was aborted.

aborting()

Aborting logic for self.

active

Entity not aborting/aborted.

async_start

If True, the resource’s parent will take the responsibility to check that the resource has already STARTED or STOPPED.

auto_start

If False, the resource will not be automatically started by its parent (generally, a Environment object) while the parent is starting.

cfg

Configuration object.

context

Key/value pair information of a Resource.

context_input(exclude: list = None) → Dict[str, Any]

All attr of self in a dict for context resolution

define_runpath()

Define runpath directory based on parent object and configuration.

failover() → None

API to create the failover resource, to be implemented in derived class

fetch_error_log() → List[str]

Override this method in Resource subclasses to automatically add any useful logs into the report, in case of startup/shutdown exception.

Returns:text from log files

classmethod filter_locals(local_vars)

Filter out init params of None value, they will take default value defined in its ConfigOption object; also filter out special vars that are not init params from local_vars.

Parameters:local_vars –

force_started()

Change the status to STARTED (e.g. exception raised).

force_stopped()

Change the status to STOPPED (e.g. exception raised).

is_alive

Called to periodically poll the resource health. Default implementation assumes the resource is always healthy.

logger

logger object

make_runpath_dirs()

Creates runpath related directories.

parent

Returns parent Entity.

pause()

Pauses entity execution.

pausing()

Pause the resource.

pending_work()

Resource has pending work.

post_start()

Steps to be executed right after resource is started.

post_stop()

Steps to be executed right after resource is stopped.

pre_start()

Steps to be executed right before resource starts.

pre_stop()

Steps to be executed right before resource stops.

register_failover(klass: testplan.common.entity.base.Entity, params: dict) → None

Register a failover class to instantiate if resource start fails.

Parameters:

• klass – failover class
• params – parameters for failover class __init__ method

report

A handle to access the report via recursive parent

restart()

Stop and start the resource.

resume()

Resumes entity execution.

resuming()

Resume the resource.

runpath

Path to be used for temp/output files by entity.

scratch

Path to be used for temp files by entity.

start()

Triggers the start logic of a Resource by executing :py:meth: Resource.starting <testplan.common.entity.base.Resource.starting> method.

starting()

Start logic for Resource that also sets the status to STARTED.

status

Status object.

stop()

Triggers the stop logic of a Resource by executing :py:meth: Resource.stopping <testplan.common.entity.base.Resource.stopping> method.

stopping()

Stop logic for Resource that also sets the status to STOPPED.

timer

uid()

Unique identifier of self.

wait(target_status, timeout=None)

Wait until objects status becomes target status.

Parameters:

• target_status (str) – expected status
• timeout (int or NoneType) – timeout in seconds

class testplan.common.entity.base.ResourceConfig(**options)

Bases: testplan.common.entity.base.EntityConfig

Configuration object for Resource entity.

classmethod build_schema()

Build a validation schema using the config options defined in this class and its parent classes.

denormalize()

Create new config object that inherits all explicit attributes from its parents as well.

get_local(name, default=None)

Returns a local config setting (not from container)

classmethod get_options()

Resource specific config options.

ignore_extra_keys = False

parent

Returns the parent configuration.

set_local(name, value)

set without any check

class testplan.common.entity.base.ResourceStatus

Bases: testplan.common.entity.base.EntityStatus

Status of a Resource entity.

NONE = None

PAUSED = 'PAUSED'

PAUSING = 'PAUSING'

RESUMING = 'RESUMING'

STARTED = 'STARTED'

STARTING = 'STARTING'

STOPPED = 'STOPPED'

STOPPING = 'STOPPING'

change(new)

Transition to new status.

Parameters:new (NoneType or str) – status to be set

clear_metadata()

Re-initializes metadata as empty.

metadata

TODO

reset()

Reset status as None.

tag

Current status value.

transitions()

Defines the status transitions of a Resource entity.

update_metadata(**metadata)

Updates metadata.

Parameters:metadata (OrderedDict) – additional metadata

class testplan.common.entity.base.Runnable(**options)

Bases: testplan.common.entity.base.Entity

An object that defines steps, a run method to execute the steps and provides results with the RunnableResult object.

It contains an Environment object of Resource objects that can be started/stopped and utilized by the steps defined.

Parameters:

• interactive_port (int or NoneType) – Enable interactive execution mode on a port.
• interactive_block (bool) – Block on run() on interactive mode.

Also inherits all Entity options.

CONFIG

alias of RunnableConfig

ENVIRONMENT

alias of Environment

RESULT

alias of RunnableResult

STATUS

alias of RunnableStatus

abort()

Default abort policy. First abort all dependencies and then itself.

abort_dependencies()

Yield all dependencies to be aborted before self abort.

aborted

Returns if entity was aborted.

aborting()

Aborting logic for self.

active

Entity not aborting/aborted.

add_main_batch_steps()

Runnable steps to be executed while environment is running.

add_post_main_steps()

Runnable steps to run before environment stopped.

add_post_resource_steps()

Runnable steps to run after environment stopped.

add_pre_main_steps()

Runnable steps to run after environment started.

add_pre_resource_steps()

Runnable steps to run before environment started.

add_resource(resource: testplan.common.entity.base.Resource, uid: Optional[str] = None)

Adds a resource in the runnable environment.

Parameters:

• resource (Subclass of Resource) – Resource to be added.
• uid (str or NoneType) – Optional input resource uid.

Returns:

Resource uid assigned.

Return type:

str

add_start_resource_steps()

Runnable steps to start environment

add_stop_resource_steps()

Runnable steps to stop environment

cfg

Configuration object.

context_input(exclude: list = None) → Dict[str, Any]

All attr of self in a dict for context resolution

define_runpath()

Define runpath directory based on parent object and configuration.

dry_run()

A testing process that creates result for each step.

classmethod filter_locals(local_vars)

Filter out init params of None value, they will take default value defined in its ConfigOption object; also filter out special vars that are not init params from local_vars.

Parameters:local_vars –

i

interactive

logger

logger object

make_runpath_dirs()

Creates runpath related directories.

parent

Returns parent Entity.

pause()

Pauses entity execution.

pausing()

Pauses the resource.

post_step_call(step)

Callable to be invoked after each step.

pre_step_call(step)

Callable to be invoked before each step.

report

A handle to access the report via recursive parent

resources

Returns the Environment of Resources.

resume()

Resumes entity execution.

resuming()

Resumes the resource.

run()

Executes the defined steps and populates the result object.

run_result()

Returns if a run was successful.

runpath

Path to be used for temp/output files by entity.

scratch

Path to be used for temp files by entity.

setup()

Setup step to be executed first.

should_run()

Determines if current object should run.

skip_step(step)

Callable to determine if step should be skipped.

status

Status object.

teardown()

Teardown step to be executed last.

timer

uid()

Unique identifier of self.

wait(target_status, timeout=None)

Wait until objects status becomes target status.

Parameters:

• target_status (str) – expected status
• timeout (int or NoneType) – timeout in seconds

class testplan.common.entity.base.RunnableConfig(**options)

Bases: testplan.common.entity.base.EntityConfig

Configuration object for Runnable entity.

classmethod build_schema()

Build a validation schema using the config options defined in this class and its parent classes.

denormalize()

Create new config object that inherits all explicit attributes from its parents as well.

get_local(name, default=None)

Returns a local config setting (not from container)

classmethod get_options()

Runnable specific config options.

ignore_extra_keys = False

parent

Returns the parent configuration.

set_local(name, value)

set without any check

class testplan.common.entity.base.RunnableManager(**options)

Bases: testplan.common.entity.base.Entity

Executes a Runnable entity in a separate thread and handles the abort signals.

Parameters:

• parse_cmdline (bool) – Parse command line arguments.
• runnable (TestRunner) – Test runner.
• resources (list of Resources) – Initial resources.
• abort_signals (list of signals) – Signals to catch and trigger abort.

Also inherits all Entity options.

CONFIG

alias of RunnableManagerConfig

STATUS

alias of EntityStatus

abort()

Default abort policy. First abort all dependencies and then itself.

abort_dependencies()

Dependencies to be aborted first.

aborted

Returns if entity was aborted.

aborting()

Suppressing not implemented debug log by parent class.

active

Expose the runnable active attribute.

cfg

Expose the runnable configuration object.

context_input(exclude: list = None) → Dict[str, Any]

All attr of self in a dict for context resolution

define_runpath()

Define runpath directory based on parent object and configuration.

enrich_options(options)

Enrich the options using parsed command line arguments. Override this method to add extra argument processing logic. The result dictionary is used to initialize the configuration.

Parameters:options –

classmethod filter_locals(local_vars)

Filter out init params of None value, they will take default value defined in its ConfigOption object; also filter out special vars that are not init params from local_vars.

Parameters:local_vars –

logger

logger object

make_runpath_dirs()

Creates runpath related directories.

parent

Returns parent Entity.

pause()

Pauses entity execution.

pausing()

Pause the runnable execution.

report

A handle to access the report via recursive parent

resume()

Resumes entity execution.

resuming()

Resume the runnable execution.

run()

Executes target runnable defined in configuration in a separate thread.

Returns:Runnable result object. Return type:

py:class:

RunnableResult <testplan.common.entity.base.RunnableResult>

runnable

Runnable instance.

runpath

Expose the runnable runpath.

scratch

Path to be used for temp files by entity.

status

Expose the runnable status.

timer

uid()

Unique identifier of self.

wait(target_status, timeout=None)

Wait until objects status becomes target status.

Parameters:

• target_status (str) – expected status
• timeout (int or NoneType) – timeout in seconds

class testplan.common.entity.base.RunnableManagerConfig(**options)

Bases: testplan.common.entity.base.EntityConfig

Configuration object for RunnableManager entity.

classmethod build_schema()

Build a validation schema using the config options defined in this class and its parent classes.

denormalize()

Create new config object that inherits all explicit attributes from its parents as well.

get_local(name, default=None)

Returns a local config setting (not from container)

classmethod get_options()

RunnableManager specific config options.

ignore_extra_keys = False

parent

Returns the parent configuration.

set_local(name, value)

set without any check

class testplan.common.entity.base.RunnableResult

Bases: object

Result object of a Runnable entity.

class testplan.common.entity.base.RunnableStatus

Bases: testplan.common.entity.base.EntityStatus

Status of a Runnable entity.

EXECUTING = 'EXECUTING'

FINISHED = 'FINISHED'

NONE = None

PAUSED = 'PAUSED'

PAUSING = 'PAUSING'

RESUMING = 'RESUMING'

RUNNING = 'RUNNING'

change(new)

Transition to new status.

Parameters:new (NoneType or str) – status to be set

clear_metadata()

Re-initializes metadata as empty.

metadata

TODO

reset()

Reset status as None.

tag

Current status value.

transitions()

Defines the status transitions of a Runnable entity.

update_metadata(**metadata)

Updates metadata.

Parameters:metadata (OrderedDict) – additional metadata

exception testplan.common.entity.base.StatusTransitionException

Bases: Exception

To be raised on illegal state transition attempt.

args

with_traceback()

Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

Module contents

Common entity implementations.