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NetworkStatsCollectionTest.javaAPI DocAndroid 5.1 API7865Thu Mar 12 22:22:42 GMT 2015com.android.server.net

NetworkStatsCollectionTest

public class NetworkStatsCollectionTest extends android.test.AndroidTestCase
Tests for {@link NetworkStatsCollection}.

Fields Summary
private static final String
TEST_FILE
private static final String
TEST_IMSI
Constructors Summary
Methods Summary
private static voidassertEntry(NetworkStats.Entry entry, long rxBytes, long rxPackets, long txBytes, long txPackets)

        assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
        assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
        assertEquals("unexpected txBytes", txBytes, entry.txBytes);
        assertEquals("unexpected txPackets", txPackets, entry.txPackets);
private static voidassertSummaryTotal(NetworkStatsCollection collection, android.net.NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets)

        final NetworkStats.Entry entry = collection.getSummary(
                template, Long.MIN_VALUE, Long.MAX_VALUE).getTotal(null);
        assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
private static voidassertSummaryTotalIncludingTags(NetworkStatsCollection collection, android.net.NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets)

        final NetworkStats.Entry entry = collection.getSummary(
                template, Long.MIN_VALUE, Long.MAX_VALUE).getTotalIncludingTags(null);
        assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
public voidsetUp()


    
         
        super.setUp();

        // ignore any device overlay while testing
        NetworkTemplate.forceAllNetworkTypes();
private voidstageFile(int rawId, java.io.File file)
Copy a {@link Resources#openRawResource(int)} into {@link File} for testing purposes.

        new File(file.getParent()).mkdirs();
        InputStream in = null;
        OutputStream out = null;
        try {
            in = getContext().getResources().openRawResource(rawId);
            out = new FileOutputStream(file);
            Streams.copy(in, out);
        } finally {
            IoUtils.closeQuietly(in);
            IoUtils.closeQuietly(out);
        }
public voidtestReadLegacyNetwork()

        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
        stageFile(R.raw.netstats_v1, testFile);

        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
        collection.readLegacyNetwork(testFile);

        // verify that history read correctly
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                636016770L, 709306L, 88038768L, 518836L);

        // now export into a unified format
        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        collection.write(new DataOutputStream(bos));

        // clear structure completely
        collection.reset();
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                0L, 0L, 0L, 0L);

        // and read back into structure, verifying that totals are same
        collection.read(new ByteArrayInputStream(bos.toByteArray()));
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                636016770L, 709306L, 88038768L, 518836L);
public voidtestReadLegacyUid()

        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
        stageFile(R.raw.netstats_uid_v4, testFile);

        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
        collection.readLegacyUid(testFile, false);

        // verify that history read correctly
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                637076152L, 711413L, 88343717L, 521022L);

        // now export into a unified format
        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        collection.write(new DataOutputStream(bos));

        // clear structure completely
        collection.reset();
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                0L, 0L, 0L, 0L);

        // and read back into structure, verifying that totals are same
        collection.read(new ByteArrayInputStream(bos.toByteArray()));
        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
                637076152L, 711413L, 88343717L, 521022L);
public voidtestReadLegacyUidTags()

        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
        stageFile(R.raw.netstats_uid_v4, testFile);

        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
        collection.readLegacyUid(testFile, true);

        // verify that history read correctly
        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
                77017831L, 100995L, 35436758L, 92344L);

        // now export into a unified format
        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        collection.write(new DataOutputStream(bos));

        // clear structure completely
        collection.reset();
        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
                0L, 0L, 0L, 0L);

        // and read back into structure, verifying that totals are same
        collection.read(new ByteArrayInputStream(bos.toByteArray()));
        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
                77017831L, 100995L, 35436758L, 92344L);
public voidtestStartEndAtomicBuckets()

        final NetworkStatsCollection collection = new NetworkStatsCollection(HOUR_IN_MILLIS);

        // record empty data straddling between buckets
        final NetworkStats.Entry entry = new NetworkStats.Entry();
        entry.rxBytes = 32;
        collection.recordData(null, UID_ALL, SET_DEFAULT, TAG_NONE, 30 * MINUTE_IN_MILLIS,
                90 * MINUTE_IN_MILLIS, entry);

        // assert that we report boundary in atomic buckets
        assertEquals(0, collection.getStartMillis());
        assertEquals(2 * HOUR_IN_MILLIS, collection.getEndMillis());