/**
* Wipes the device's external memory of test collateral from prior runs.
*
* @throws DeviceNotAvailableException If the device is unavailable or something happened while
* deleting files
*/
private void preTestSetup() throws DeviceNotAvailableException {
String extStore = mTestDevice.getMountPoint(IDevice.MNT_EXTERNAL_STORAGE);
mUrlsFilePath = String.format("%s/%s", extStore, URLS_FILE_NAME);
mStatusFilePath = String.format("%s/%s", extStore, STATUS_FILE_NAME);
if (!mTestDevice.doesFileExist(mUrlsFilePath)) {
throw new RuntimeException("missing URL list file at: " + mUrlsFilePath);
}
mTestDevice.executeShellCommand("rm " + mStatusFilePath);
}
/**
* Helper method for iterating through popular_urls.txt and reporting back how many pages fail to
* load.
*
* @param runner The {@link IRemoteAndroidTestRunner} for instrumentation
* @param listener The {@link CollectingTestListener} of test results
* @return Number of pages that failed to load
*/
private int runStabilityTest(IRemoteAndroidTestRunner runner, CollectingTestListener listener)
throws DeviceNotAvailableException {
boolean exitConditionMet = false;
int failureCounter = 0;
while (!exitConditionMet) {
mTestDevice.runInstrumentationTests(runner, listener);
// if the status file exists, then the previous instrumentation has crashed
if (!mTestDevice.doesFileExist(mStatusFilePath)) {
exitConditionMet = true;
} else {
++failureCounter;
}
}
return failureCounter;
}