int span_table_get(struct span_table *st, struct htrace_span **out,
const char *desc, const char *trid)
{
struct htable *ht = (struct htable *)st;
struct htrace_span *span;
span = htable_get(ht, desc);
EXPECT_NONNULL(span);
EXPECT_STR_EQ(desc, span->desc);
EXPECT_UINT64_GE(span->begin_ms, span->end_ms);
EXPECT_TRUE(0 !=
htrace_span_id_compare(&INVALID_SPAN_ID, &span->span_id));
EXPECT_NONNULL(span->trid);
EXPECT_STR_EQ(trid, span->trid);
*out = span;
return EXIT_SUCCESS;
}
static int htraced_rcv_test(struct rtest *rt)
{
char err[512], *conf_str, *json_path;
size_t err_len = sizeof(err);
struct mini_htraced_params params;
struct mini_htraced *ht = NULL;
struct span_table *st;
uint64_t start_ms;
params.name = rt->name;
params.confstr = "";
mini_htraced_build(¶ms, &ht, err, err_len);
EXPECT_STR_EQ("", err);
EXPECT_INT_GE(0, asprintf(&json_path, "%s/%s",
ht->root_dir, "spans.json"));
EXPECT_INT_GE(0, asprintf(&conf_str, "%s=%s;%s=%s",
HTRACE_SPAN_RECEIVER_KEY, "htraced",
HTRACED_ADDRESS_KEY, ht->htraced_hrpc_addr));
EXPECT_INT_ZERO(rt->run(rt, conf_str));
start_ms = monotonic_now_ms(NULL);
//
// It may take a little while for htraced to commit the incoming spans sent
// via RPC to its data store. htraced does not have read-after-write
// consistency, in other words. This isn't normally an issue since trace
// collection is done in the background.
//
// For this unit test, it means that we want to retry if we find too few
// spans the first time we dump the htraced data store contents.
//
while (1) {
int nspans;
// This uses the bin/htracedTool program to dump the spans to a json file.
mini_htraced_dump_spans(ht, err, err_len, json_path);
EXPECT_STR_EQ("", err);
st = span_table_alloc();
EXPECT_NONNULL(st);
nspans = load_trace_span_file(json_path, st);
EXPECT_INT_GE(0, nspans);
if (nspans >= rt->spans_created) {
break;
}
span_table_free(st);
st = NULL;
EXPECT_UINT64_GE(start_ms, monotonic_now_ms(NULL) + 30000);
sleep_ms(100);
fprintf(stderr, "htraced_test_app1: retrying htrace dumpAll...\n");
}
EXPECT_INT_ZERO(rt->verify(rt, st));
free(conf_str);
free(json_path);
span_table_free(st);
mini_htraced_stop(ht);
mini_htraced_free(ht);
return EXIT_SUCCESS;
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(void)
{
int port;
struct NativeMiniDfsConf conf = {
1, /* doFormat */
0, /* webhdfsEnabled */
0, /* namenodeHttpPort */
1, /* configureShortCircuit */
};
char testFileName[TEST_FILE_NAME_LENGTH];
hdfsFS fs;
struct NativeMiniDfsCluster* cl;
struct hdfsBuilder *bld;
cl = nmdCreate(&conf);
EXPECT_NONNULL(cl);
EXPECT_ZERO(nmdWaitClusterUp(cl));
port = nmdGetNameNodePort(cl);
if (port < 0) {
fprintf(stderr, "TEST_ERROR: test_zerocopy: "
"nmdGetNameNodePort returned error %d\n", port);
return EXIT_FAILURE;
}
bld = hdfsNewBuilder();
EXPECT_NONNULL(bld);
EXPECT_ZERO(nmdConfigureHdfsBuilder(cl, bld));
hdfsBuilderSetForceNewInstance(bld);
hdfsBuilderConfSetStr(bld, "dfs.block.size",
TO_STR(TEST_ZEROCOPY_FULL_BLOCK_SIZE));
/* ensure that we'll always get our mmaps */
hdfsBuilderConfSetStr(bld, "dfs.client.read.shortcircuit.skip.checksum",
"true");
fs = hdfsBuilderConnect(bld);
EXPECT_NONNULL(fs);
EXPECT_ZERO(createZeroCopyTestFile(fs, testFileName,
TEST_FILE_NAME_LENGTH));
EXPECT_ZERO(doTestZeroCopyReads(fs, testFileName));
EXPECT_ZERO(hdfsDisconnect(fs));
EXPECT_ZERO(nmdShutdown(cl));
nmdFree(cl);
fprintf(stderr, "TEST_SUCCESS\n");
return EXIT_SUCCESS;
}
/**
* Test that we can create a MiniDFSCluster and shut it down.
*/
int main(void) {
struct NativeMiniDfsCluster* cl;
cl = nmdCreate(&conf);
EXPECT_NONNULL(cl);
EXPECT_ZERO(nmdWaitClusterUp(cl));
EXPECT_ZERO(nmdShutdown(cl));
nmdFree(cl);
return 0;
}
static int createZeroCopyTestFile(hdfsFS fs, char *testFileName,
size_t testFileNameLen)
{
int blockIdx, blockLen;
hdfsFile file;
uint8_t *data;
snprintf(testFileName, testFileNameLen, "/zeroCopyTestFile.%d.%d",
getpid(), rand());
file = hdfsOpenFile(fs, testFileName, O_WRONLY, 0, 1,
TEST_ZEROCOPY_FULL_BLOCK_SIZE);
EXPECT_NONNULL(file);
for (blockIdx = 0; blockIdx < TEST_ZEROCOPY_NUM_BLOCKS; blockIdx++) {
blockLen = getZeroCopyBlockLen(blockIdx);
data = getZeroCopyBlockData(blockIdx);
EXPECT_NONNULL(data);
EXPECT_INT_EQ(blockLen, hdfsWrite(fs, file, data, blockLen));
}
EXPECT_ZERO(hdfsCloseFile(fs, file));
return 0;
}
bool TestClear() {
BEGIN_TEST;
StringList list;
list.push_front("bar");
EXPECT_NONNULL(list.first());
list.clear();
EXPECT_NULL(list.next());
EXPECT_NULL(list.first());
EXPECT_EQ(list.length(), 0);
END_TEST;
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(int argc, const char *args[])
{
int i, tlhNumThreads;
const char *tlhNumThreadsStr;
struct tlhThreadInfo ti[TLH_MAX_THREADS];
if (argc != 2) {
fprintf(stderr, "usage: test_libwebhdfs_threaded <username>\n");
exit(1);
}
user = args[1];
struct NativeMiniDfsConf conf = {
.doFormat = 1, .webhdfsEnabled = 1, .namenodeHttpPort = 50070,
};
cluster = nmdCreate(&conf);
EXPECT_NONNULL(cluster);
EXPECT_ZERO(nmdWaitClusterUp(cluster));
tlhNumThreadsStr = getenv("TLH_NUM_THREADS");
if (!tlhNumThreadsStr) {
tlhNumThreadsStr = "3";
}
tlhNumThreads = atoi(tlhNumThreadsStr);
if ((tlhNumThreads <= 0) || (tlhNumThreads > TLH_MAX_THREADS)) {
fprintf(stderr, "testLibHdfs: must have a number of threads "
"between 1 and %d inclusive, not %d\n",
TLH_MAX_THREADS, tlhNumThreads);
return EXIT_FAILURE;
}
memset(&ti[0], 0, sizeof(ti));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].threadIdx = i;
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_create(&ti[i].thread, NULL,
testHdfsOperations, &ti[i]));
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_join(ti[i].thread, NULL));
}
EXPECT_ZERO(nmdShutdown(cluster));
nmdFree(cluster);
return checkFailures(ti, tlhNumThreads);
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(void)
{
int i, tlhNumThreads;
const char *tlhNumThreadsStr;
struct tlhThreadInfo ti[TLH_MAX_THREADS];
struct NativeMiniDfsConf conf = {
1, /* doFormat */
};
tlhNumThreadsStr = getenv("TLH_NUM_THREADS");
if (!tlhNumThreadsStr) {
tlhNumThreadsStr = "3";
}
tlhNumThreads = atoi(tlhNumThreadsStr);
if ((tlhNumThreads <= 0) || (tlhNumThreads > TLH_MAX_THREADS)) {
fprintf(stderr, "testLibHdfs: must have a number of threads "
"between 1 and %d inclusive, not %d\n",
TLH_MAX_THREADS, tlhNumThreads);
return EXIT_FAILURE;
}
memset(&ti[0], 0, sizeof(ti));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].threadIdx = i;
}
tlhCluster = nmdCreate(&conf);
EXPECT_NONNULL(tlhCluster);
EXPECT_ZERO(nmdWaitClusterUp(tlhCluster));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].theThread.start = testHdfsOperations;
ti[i].theThread.arg = &ti[i];
EXPECT_ZERO(threadCreate(&ti[i].theThread));
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(threadJoin(&ti[i].theThread));
}
EXPECT_ZERO(nmdShutdown(tlhCluster));
nmdFree(tlhCluster);
return checkFailures(ti, tlhNumThreads);
}
static int doTestZeroCopyReads(hdfsFS fs, const char *fileName)
{
hdfsFile file = NULL;
struct hadoopRzOptions *opts = NULL;
struct hadoopRzBuffer *buffer = NULL;
uint8_t *block;
file = hdfsOpenFile(fs, fileName, O_RDONLY, 0, 0, 0);
EXPECT_NONNULL(file);
opts = hadoopRzOptionsAlloc();
EXPECT_NONNULL(opts);
EXPECT_ZERO(hadoopRzOptionsSetSkipChecksum(opts, 1));
/* haven't read anything yet */
EXPECT_ZERO(expectFileStats(file, 0LL, 0LL, 0LL, 0LL));
block = getZeroCopyBlockData(0);
EXPECT_NONNULL(block);
/* first read is half of a block. */
buffer = hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2);
EXPECT_NONNULL(buffer);
EXPECT_INT_EQ(TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2,
hadoopRzBufferLength(buffer));
EXPECT_ZERO(memcmp(hadoopRzBufferGet(buffer), block,
TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2));
hadoopRzBufferFree(file, buffer);
/* read the next half of the block */
buffer = hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2);
EXPECT_NONNULL(buffer);
EXPECT_INT_EQ(TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2,
hadoopRzBufferLength(buffer));
EXPECT_ZERO(memcmp(hadoopRzBufferGet(buffer),
block + (TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2),
TEST_ZEROCOPY_FULL_BLOCK_SIZE / 2));
hadoopRzBufferFree(file, buffer);
free(block);
EXPECT_ZERO(expectFileStats(file, TEST_ZEROCOPY_FULL_BLOCK_SIZE,
TEST_ZEROCOPY_FULL_BLOCK_SIZE,
TEST_ZEROCOPY_FULL_BLOCK_SIZE,
TEST_ZEROCOPY_FULL_BLOCK_SIZE));
/* Now let's read just a few bytes. */
buffer = hadoopReadZero(file, opts, SMALL_READ_LEN);
EXPECT_NONNULL(buffer);
EXPECT_INT_EQ(SMALL_READ_LEN, hadoopRzBufferLength(buffer));
block = getZeroCopyBlockData(1);
EXPECT_NONNULL(block);
EXPECT_ZERO(memcmp(block, hadoopRzBufferGet(buffer), SMALL_READ_LEN));
hadoopRzBufferFree(file, buffer);
EXPECT_INT64_EQ(
(int64_t)TEST_ZEROCOPY_FULL_BLOCK_SIZE + (int64_t)SMALL_READ_LEN,
hdfsTell(fs, file));
EXPECT_ZERO(expectFileStats(file,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN));
/* Clear 'skip checksums' and test that we can't do zero-copy reads any
* more. Since there is no ByteBufferPool set, we should fail with
* EPROTONOSUPPORT.
*/
EXPECT_ZERO(hadoopRzOptionsSetSkipChecksum(opts, 0));
EXPECT_NULL(hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE));
EXPECT_INT_EQ(EPROTONOSUPPORT, errno);
/* Verify that setting a NULL ByteBufferPool class works. */
EXPECT_ZERO(hadoopRzOptionsSetByteBufferPool(opts, NULL));
EXPECT_ZERO(hadoopRzOptionsSetSkipChecksum(opts, 0));
EXPECT_NULL(hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE));
EXPECT_INT_EQ(EPROTONOSUPPORT, errno);
/* Now set a ByteBufferPool and try again. It should succeed this time. */
EXPECT_ZERO(hadoopRzOptionsSetByteBufferPool(opts,
ELASTIC_BYTE_BUFFER_POOL_CLASS));
buffer = hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE);
EXPECT_NONNULL(buffer);
EXPECT_INT_EQ(TEST_ZEROCOPY_FULL_BLOCK_SIZE, hadoopRzBufferLength(buffer));
EXPECT_ZERO(expectFileStats(file,
(2 * TEST_ZEROCOPY_FULL_BLOCK_SIZE) + SMALL_READ_LEN,
(2 * TEST_ZEROCOPY_FULL_BLOCK_SIZE) + SMALL_READ_LEN,
(2 * TEST_ZEROCOPY_FULL_BLOCK_SIZE) + SMALL_READ_LEN,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN));
EXPECT_ZERO(memcmp(block + SMALL_READ_LEN, hadoopRzBufferGet(buffer),
TEST_ZEROCOPY_FULL_BLOCK_SIZE - SMALL_READ_LEN));
free(block);
block = getZeroCopyBlockData(2);
EXPECT_NONNULL(block);
EXPECT_ZERO(memcmp(block, (uint8_t*)hadoopRzBufferGet(buffer) +
(TEST_ZEROCOPY_FULL_BLOCK_SIZE - SMALL_READ_LEN), SMALL_READ_LEN));
hadoopRzBufferFree(file, buffer);
/* Check the result of a zero-length read. */
buffer = hadoopReadZero(file, opts, 0);
EXPECT_NONNULL(buffer);
EXPECT_NONNULL(hadoopRzBufferGet(buffer));
EXPECT_INT_EQ(0, hadoopRzBufferLength(buffer));
hadoopRzBufferFree(file, buffer);
/* Check the result of reading past EOF */
EXPECT_INT_EQ(0, hdfsSeek(fs, file, TEST_ZEROCOPY_FILE_LEN));
buffer = hadoopReadZero(file, opts, 1);
EXPECT_NONNULL(buffer);
EXPECT_NULL(hadoopRzBufferGet(buffer));
hadoopRzBufferFree(file, buffer);
/* Cleanup */
free(block);
hadoopRzOptionsFree(opts);
EXPECT_ZERO(hdfsCloseFile(fs, file));
return 0;
}
static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs,
const struct tlhPaths *paths)
{
char tmp[4096];
hdfsFile file;
int ret, expected, numEntries;
hdfsFileInfo *fileInfo;
struct hdfsReadStatistics *readStats = NULL;
if (hdfsExists(fs, paths->prefix) == 0) {
EXPECT_ZERO(hdfsDelete(fs, paths->prefix, 1));
}
EXPECT_ZERO(hdfsCreateDirectory(fs, paths->prefix));
EXPECT_ZERO(doTestGetDefaultBlockSize(fs, paths->prefix));
/* There should be no entry in the directory. */
errno = EACCES; // see if errno is set to 0 on success
EXPECT_NULL_WITH_ERRNO(hdfsListDirectory(fs, paths->prefix, &numEntries), 0);
if (numEntries != 0) {
fprintf(stderr, "hdfsListDirectory set numEntries to "
"%d on empty directory.", numEntries);
}
/* There should not be any file to open for reading. */
EXPECT_NULL(hdfsOpenFile(fs, paths->file1, O_RDONLY, 0, 0, 0));
/* hdfsOpenFile should not accept mode = 3 */
EXPECT_NULL(hdfsOpenFile(fs, paths->file1, 3, 0, 0, 0));
file = hdfsOpenFile(fs, paths->file1, O_WRONLY, 0, 0, 0);
EXPECT_NONNULL(file);
/* TODO: implement writeFully and use it here */
expected = (int)strlen(paths->prefix);
ret = hdfsWrite(fs, file, paths->prefix, expected);
if (ret < 0) {
ret = errno;
fprintf(stderr, "hdfsWrite failed and set errno %d\n", ret);
return ret;
}
if (ret != expected) {
fprintf(stderr, "hdfsWrite was supposed to write %d bytes, but "
"it wrote %d\n", ret, expected);
return EIO;
}
EXPECT_ZERO(hdfsFlush(fs, file));
EXPECT_ZERO(hdfsHSync(fs, file));
EXPECT_ZERO(hdfsCloseFile(fs, file));
/* There should be 1 entry in the directory. */
EXPECT_NONNULL(hdfsListDirectory(fs, paths->prefix, &numEntries));
if (numEntries != 1) {
fprintf(stderr, "hdfsListDirectory set numEntries to "
"%d on directory containing 1 file.", numEntries);
}
/* Let's re-open the file for reading */
file = hdfsOpenFile(fs, paths->file1, O_RDONLY, 0, 0, 0);
EXPECT_NONNULL(file);
EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats));
errno = 0;
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalBytesRead);
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalLocalBytesRead);
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalShortCircuitBytesRead);
hdfsFileFreeReadStatistics(readStats);
/* TODO: implement readFully and use it here */
ret = hdfsRead(fs, file, tmp, sizeof(tmp));
if (ret < 0) {
ret = errno;
fprintf(stderr, "hdfsRead failed and set errno %d\n", ret);
return ret;
}
if (ret != expected) {
fprintf(stderr, "hdfsRead was supposed to read %d bytes, but "
"it read %d\n", ret, expected);
return EIO;
}
EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats));
errno = 0;
EXPECT_UINT64_EQ((uint64_t)expected, readStats->totalBytesRead);
hdfsFileFreeReadStatistics(readStats);
EXPECT_ZERO(hdfsFileClearReadStatistics(file));
EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats));
EXPECT_UINT64_EQ((uint64_t)0, readStats->totalBytesRead);
hdfsFileFreeReadStatistics(readStats);
EXPECT_ZERO(memcmp(paths->prefix, tmp, expected));
EXPECT_ZERO(hdfsCloseFile(fs, file));
// TODO: Non-recursive delete should fail?
//EXPECT_NONZERO(hdfsDelete(fs, prefix, 0));
EXPECT_ZERO(hdfsCopy(fs, paths->file1, fs, paths->file2));
EXPECT_ZERO(hdfsChown(fs, paths->file2, NULL, NULL));
EXPECT_ZERO(hdfsChown(fs, paths->file2, NULL, "doop"));
fileInfo = hdfsGetPathInfo(fs, paths->file2);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("doop", fileInfo->mGroup));
EXPECT_ZERO(hdfsFileIsEncrypted(fileInfo));
hdfsFreeFileInfo(fileInfo, 1);
EXPECT_ZERO(hdfsChown(fs, paths->file2, "ha", "doop2"));
fileInfo = hdfsGetPathInfo(fs, paths->file2);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("ha", fileInfo->mOwner));
EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup));
hdfsFreeFileInfo(fileInfo, 1);
EXPECT_ZERO(hdfsChown(fs, paths->file2, "ha2", NULL));
fileInfo = hdfsGetPathInfo(fs, paths->file2);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("ha2", fileInfo->mOwner));
EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup));
hdfsFreeFileInfo(fileInfo, 1);
snprintf(tmp, sizeof(tmp), "%s/nonexistent-file-name", paths->prefix);
EXPECT_NEGATIVE_ONE_WITH_ERRNO(hdfsChown(fs, tmp, "ha3", NULL), ENOENT);
return 0;
}
static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs)
{
char prefix[256], tmp[256];
hdfsFile file;
int ret, expected;
hdfsFileInfo *fileInfo;
snprintf(prefix, sizeof(prefix), "/tlhData%04d", ti->threadIdx);
if (hdfsExists(fs, prefix) == 0) {
EXPECT_ZERO(hdfsDelete(fs, prefix, 1));
}
EXPECT_ZERO(hdfsCreateDirectory(fs, prefix));
snprintf(tmp, sizeof(tmp), "%s/file", prefix);
EXPECT_NONNULL(hdfsOpenFile(fs, tmp, O_RDONLY, 0, 0, 0));
file = hdfsOpenFile(fs, tmp, O_WRONLY, 0, 0, 0);
EXPECT_NONNULL(file);
/* TODO: implement writeFully and use it here */
expected = (int)strlen(prefix);
ret = hdfsWrite(fs, file, prefix, expected);
if (ret < 0) {
ret = errno;
fprintf(stderr, "hdfsWrite failed and set errno %d\n", ret);
return ret;
}
if (ret != expected) {
fprintf(stderr, "hdfsWrite was supposed to write %d bytes, but "
"it wrote %d\n", ret, expected);
return EIO;
}
EXPECT_ZERO(hdfsFlush(fs, file));
EXPECT_ZERO(hdfsCloseFile(fs, file));
/* Let's re-open the file for reading */
file = hdfsOpenFile(fs, tmp, O_RDONLY, 0, 0, 0);
EXPECT_NONNULL(file);
/* TODO: implement readFully and use it here */
ret = hdfsRead(fs, file, tmp, sizeof(tmp));
if (ret < 0) {
ret = errno;
fprintf(stderr, "hdfsRead failed and set errno %d\n", ret);
return ret;
}
if (ret != expected) {
fprintf(stderr, "hdfsRead was supposed to read %d bytes, but "
"it read %d\n", ret, expected);
return EIO;
}
EXPECT_ZERO(memcmp(prefix, tmp, expected));
EXPECT_ZERO(hdfsCloseFile(fs, file));
snprintf(tmp, sizeof(tmp), "%s/file", prefix);
EXPECT_NONZERO(hdfsChown(fs, tmp, NULL, NULL));
EXPECT_ZERO(hdfsChown(fs, tmp, NULL, "doop"));
fileInfo = hdfsGetPathInfo(fs, tmp);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("doop", fileInfo->mGroup));
hdfsFreeFileInfo(fileInfo, 1);
EXPECT_ZERO(hdfsChown(fs, tmp, "ha", "doop2"));
fileInfo = hdfsGetPathInfo(fs, tmp);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("ha", fileInfo->mOwner));
EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup));
hdfsFreeFileInfo(fileInfo, 1);
EXPECT_ZERO(hdfsChown(fs, tmp, "ha2", NULL));
fileInfo = hdfsGetPathInfo(fs, tmp);
EXPECT_NONNULL(fileInfo);
EXPECT_ZERO(strcmp("ha2", fileInfo->mOwner));
EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup));
hdfsFreeFileInfo(fileInfo, 1);
EXPECT_ZERO(hdfsDelete(fs, prefix, 1));
return 0;
}
