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GranularRetriableTestWrapper

public class GranularRetriableTestWrapper
extends Object implements IRemoteTest, ITestCollector

java.lang.Object
↳	com.android.tradefed.testtype.suite.GranularRetriableTestWrapper

A wrapper class works on the IRemoteTest to granulate the IRemoteTest in testcase level. An IRemoteTest can contain multiple testcases. Previously, these testcases are treated as a whole: When IRemoteTest runs, all testcases will run. Some IRemoteTest (The ones that implements ITestFilterReceiver) can accept an allowlist of testcases and only run those testcases. This class takes advantage of the existing feature and provides a more flexible way to run test suite.

Single testcase can be retried multiple times (within the same IRemoteTest run) to reduce the non-test-error failure rates.
The retried testcases are dynamically collected from previous run failures.

Note:

The prerequisite to run a subset of test cases is that the test type should implement the interface ITestFilterReceiver.
X is customized max retry number.

Summary

Public constructors
`GranularRetriableTestWrapper(IRemoteTest test, ITestInvocationListener mainListener, TestFailureListener failureListener, moduleLevelListeners, int maxRunLimit)`

Public methods
`final int`	`getExpectedTestsCount()` Calculate the number of testcases in the `IRemoteTest`.
`final`	`getFinalTestRunResults()` Get the merged TestRunResults from each `IRemoteTest` run.
`ModuleListener`	`getResultListener()` Returns the listener containing all the results.
`void`	`run(TestInformation testInfo, ITestInvocationListener listener)` Schedule a series of `IRemoteTest#run(TestInformation, ITestInvocationListener)`.
`void`	`setCollectTestsOnly(boolean shouldCollectTest)` Enables or disables test collection mode
`void`	`setInvocationContext(IInvocationContext moduleInvocationContext)` Set the `IInvocationContext` as a `GranularRetriableTestWrapper` attribute.
`void`	`setLogSaver(ILogSaver logSaver)` Set the Module's `ILogSaver` as a `GranularRetriableTestWrapper` attribute.
`void`	`setMarkTestsSkipped(boolean skipTestCases)` Set the `ModuleDefinition` RunStrategy as a `GranularRetriableTestWrapper` attribute.
`void`	`setMetricCollectors( runMetricCollectors)` Set the `ModuleDefinition`'s runMetricCollector as a `GranularRetriableTestWrapper` attribute.
`void`	`setModuleConfig(IConfiguration moduleConfiguration)` Set the `ModuleDefinition`'s ModuleConfig as a `GranularRetriableTestWrapper` attribute.
`void`	`setModuleId(String moduleId)` Set the `ModuleDefinition` name as a `GranularRetriableTestWrapper` attribute.
`void`	`setRetryDecision(IRetryDecision decision)` Sets the `IRetryDecision` to be used.

Public constructors

GranularRetriableTestWrapper

public GranularRetriableTestWrapper (IRemoteTest test, 
                ITestInvocationListener mainListener, 
                TestFailureListener failureListener, 
                 moduleLevelListeners, 
                int maxRunLimit)

Parameters
`test`	`IRemoteTest`
`mainListener`	`ITestInvocationListener`
`failureListener`	`TestFailureListener`
`moduleLevelListeners`
`maxRunLimit`	`int`

Public methods

getExpectedTestsCount

public final int getExpectedTestsCount ()

Calculate the number of testcases in the IRemoteTest. This value distincts the same testcases that are rescheduled multiple times.

Returns
`int`

getFinalTestRunResults

public final  getFinalTestRunResults ()

Get the merged TestRunResults from each IRemoteTest run.

Returns

getResultListener

public ModuleListener getResultListener ()

Returns the listener containing all the results.

Returns
`ModuleListener`

run

public void run (TestInformation testInfo, 
                ITestInvocationListener listener)

Schedule a series of IRemoteTest#run(TestInformation, ITestInvocationListener).

Parameters
`testInfo`	`TestInformation`
`listener`	`ITestInvocationListener`: The ResultForwarder listener which contains a new moduleListener for each run.

Throws
`DeviceNotAvailableException`

setCollectTestsOnly

public void setCollectTestsOnly (boolean shouldCollectTest)

Enables or disables test collection mode

setInvocationContext

public void setInvocationContext (IInvocationContext moduleInvocationContext)

Set the IInvocationContext as a GranularRetriableTestWrapper attribute.

Parameters
`moduleInvocationContext`	`IInvocationContext`: The wrapper uses the InvocationContext to initialize the MetricCollector when necessary.

setLogSaver

public void setLogSaver (ILogSaver logSaver)

Set the Module's ILogSaver as a GranularRetriableTestWrapper attribute.

Parameters
`logSaver`	`ILogSaver`: The listeners for each test run should save the logs.

setMarkTestsSkipped

public void setMarkTestsSkipped (boolean skipTestCases)

Set the ModuleDefinition RunStrategy as a GranularRetriableTestWrapper attribute.

Parameters
`skipTestCases`	`boolean`: whether the testcases should be skipped.

setMetricCollectors

public void setMetricCollectors ( runMetricCollectors)

Set the ModuleDefinition's runMetricCollector as a GranularRetriableTestWrapper attribute.

Parameters
`runMetricCollectors`	: A list of MetricCollector for the module.

setModuleConfig

public void setModuleConfig (IConfiguration moduleConfiguration)

Set the ModuleDefinition's ModuleConfig as a GranularRetriableTestWrapper attribute.

Parameters
`moduleConfiguration`	`IConfiguration`: Provide the module metrics.

setModuleId

public void setModuleId (String moduleId)

Set the ModuleDefinition name as a GranularRetriableTestWrapper attribute.

Parameters
`moduleId`	`String`: the name of the moduleDefinition.

setRetryDecision

public void setRetryDecision (IRetryDecision decision)

Sets the IRetryDecision to be used.

Parameters
`decision`	`IRetryDecision`