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HDFS-13659. Add more test coverage for contentSummary for snapshottable path. Contributed by Wei-Chiu Chuang.

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Wei-Chiu Chuang 2018-06-07 08:30:06 -07:00
parent f494f0b896
commit e39b113db0
1 changed files with 26 additions and 0 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestGetContentSummaryWithSnapshot.java
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@ -81,6 +81,9 @@ public void tearDown() throws Exception {
* 3. create a 10 byte file /foo/bar/baz
* Make sure for "/foo/bar" and "/foo/.snapshot/s1/bar" have correct results:
* the 1 byte file is not included in snapshot s1.
* 4. create another snapshot, append to the file /foo/bar/baz,
* and make sure file count, directory count and file length is good.
* 5. delete the file, ensure contentSummary output too.
*/
@Test
public void testGetContentSummary() throws IOException {
@ -118,6 +121,29 @@ public void testGetContentSummary() throws IOException {
Assert.assertEquals(0, summary.getFileCount());
Assert.assertEquals(0, summary.getLength());
// create a new snapshot s2 and update the file
dfs.createSnapshot(foo, "s2");
DFSTestUtil.appendFile(dfs, baz, 10);
summary = cluster.getNameNodeRpc().getContentSummary(
bar.toString());
Assert.assertEquals(1, summary.getDirectoryCount());
Assert.assertEquals(1, summary.getFileCount());
Assert.assertEquals(20, summary.getLength());
final Path fooS2 = SnapshotTestHelper.getSnapshotRoot(foo, "s2");
summary = cluster.getNameNodeRpc().getContentSummary(fooS2.toString());
Assert.assertEquals(2, summary.getDirectoryCount());
Assert.assertEquals(1, summary.getFileCount());
Assert.assertEquals(10, summary.getLength());
cluster.getNameNodeRpc().delete(baz.toString(), false);
summary = cluster.getNameNodeRpc().getContentSummary(
foo.toString());
Assert.assertEquals(0, summary.getSnapshotDirectoryCount());
Assert.assertEquals(1, summary.getSnapshotFileCount());
Assert.assertEquals(20, summary.getSnapshotLength());
final Path bazS1 = SnapshotTestHelper.getSnapshotPath(foo, "s1", "bar/baz");
try {
cluster.getNameNodeRpc().getContentSummary(bazS1.toString());