com.facebook.litho.testing.state

Class StateUpdatesTestHelper

java.lang.Object

com.facebook.litho.testing.state.StateUpdatesTestHelper

public final class StateUpdatesTestHelper
extends Object

Helper for writing state update unit tests.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	StateUpdatesTestHelper.StateUpdater

Method Summary

Modifier and Type	Method and Description
static LithoView	getViewAfterStateUpdate(ComponentContext context, Component component) Returns a LithoView after all outstanding asynchronous state updates are performed.
static LithoView	getViewAfterStateUpdate(ComponentContext context, Component component, StateUpdatesTestHelper.StateUpdater stateUpdater) Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view.
static LithoView	getViewAfterStateUpdate(ComponentContext context, Component component, StateUpdatesTestHelper.StateUpdater stateUpdater, ShadowLooper layoutThreadShadowLooper) Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view.
static LithoView	getViewAfterStateUpdate(ComponentContext context, Component component, StateUpdatesTestHelper.StateUpdater stateUpdater, ShadowLooper[] loopers, boolean incrementalMountEnabled) Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view with the option to incrementally mount.
static LithoView	getViewAfterStateUpdate(ComponentContext context, Component component, StateUpdatesTestHelper.StateUpdater stateUpdater, ShadowLooper layoutThreadShadowLooper, boolean incrementalMountEnabled) Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view with the option to incrementally mount.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getViewAfterStateUpdate

public static LithoView getViewAfterStateUpdate(ComponentContext context,
                                                Component component,
                                                StateUpdatesTestHelper.StateUpdater stateUpdater,
                                                ShadowLooper layoutThreadShadowLooper)
                                         throws Exception

Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view.

Parameters:

context - context

component - the component to update

stateUpdater - implementation of StateUpdatesTestHelper.StateUpdater that triggers the state update

layoutThreadShadowLooper - shadow looper to post messages to the main thread

Returns:

the updated LithoView after the state update was applied

Throws:

Exception

getViewAfterStateUpdate

public static LithoView getViewAfterStateUpdate(ComponentContext context,
                                                Component component)
                                         throws Exception

Returns a LithoView after all outstanding asynchronous state updates are performed.

Parameters:

context - context

component - the component to update

Returns:

the updated LithoView after the state update was applied

Throws:

Exception

getViewAfterStateUpdate

public static LithoView getViewAfterStateUpdate(ComponentContext context,
                                                Component component,
                                                StateUpdatesTestHelper.StateUpdater stateUpdater)
                                         throws Exception

Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view.

Parameters:

context - context

component - the component to update

stateUpdater - implementation of StateUpdatesTestHelper.StateUpdater that triggers the state update

Returns:

the updated LithoView after the state update was applied

Throws:

Exception

getViewAfterStateUpdate

public static LithoView getViewAfterStateUpdate(ComponentContext context,
                                                Component component,
                                                StateUpdatesTestHelper.StateUpdater stateUpdater,
                                                ShadowLooper layoutThreadShadowLooper,
                                                boolean incrementalMountEnabled)
                                         throws Exception

Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view with the option to incrementally mount.

Parameters:

context - context

component - the component to update

stateUpdater - implementation of StateUpdatesTestHelper.StateUpdater that triggers the state update

layoutThreadShadowLooper - shadow looper to post messages to the main thread

incrementalMountEnabled - whether or not to enable incremental mount for the component

Returns:

the updated LithoView after the state update was applied

Throws:

Exception

getViewAfterStateUpdate

public static LithoView getViewAfterStateUpdate(ComponentContext context,
                                                Component component,
                                                StateUpdatesTestHelper.StateUpdater stateUpdater,
                                                ShadowLooper[] loopers,
                                                boolean incrementalMountEnabled)
                                         throws Exception

Call a state update as specified in StateUpdatesTestHelper.StateUpdater.performStateUpdate(ComponentContext) on the component and return the updated view with the option to incrementally mount.

Parameters:

context - context

component - the component to update

stateUpdater - implementation of StateUpdatesTestHelper.StateUpdater that triggers the state update

loopers - shadow loopers to post messages to the main thread, run in the same order they are specified

incrementalMountEnabled - whether or not to enable incremental mount for the component

Returns:

the updated LithoView after the state update was applied

Throws:

Exception