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18 package org.apache.hadoop.hbase.snapshot;
19
20 import static org.junit.Assert.assertFalse;
21 import static org.junit.Assert.fail;
22
23 import java.io.IOException;
24
25 import org.apache.commons.logging.Log;
26 import org.apache.commons.logging.LogFactory;
27 import org.apache.hadoop.conf.Configuration;
28 import org.apache.hadoop.fs.FileSystem;
29 import org.apache.hadoop.fs.Path;
30 import org.apache.hadoop.hbase.HBaseTestingUtility;
31 import org.apache.hadoop.hbase.HConstants;
32 import org.apache.hadoop.hbase.testclassification.MediumTests;
33 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
34 import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
35 import org.junit.After;
36 import org.junit.BeforeClass;
37 import org.junit.Test;
38 import org.junit.experimental.categories.Category;
39
40
41
42
43 @Category(MediumTests.class)
44 public class TestSnapshotDescriptionUtils {
45 private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
46 private static FileSystem fs;
47 private static Path root;
48
49 @BeforeClass
50 public static void setupFS() throws Exception {
51 fs = UTIL.getTestFileSystem();
52 root = new Path(UTIL.getDataTestDir(), "hbase");
53 }
54
55 @After
56 public void cleanupFS() throws Exception {
57 if (fs.exists(root)) {
58 if (!fs.delete(root, true)) {
59 throw new IOException("Failed to delete root test dir: " + root);
60 }
61 if (!fs.mkdirs(root)) {
62 throw new IOException("Failed to create root test dir: " + root);
63 }
64 }
65 EnvironmentEdgeManagerTestHelper.reset();
66 }
67
68 private static final Log LOG = LogFactory.getLog(TestSnapshotDescriptionUtils.class);
69
70 @Test
71 public void testValidateMissingTableName() {
72 Configuration conf = new Configuration(false);
73 try {
74 SnapshotDescriptionUtils.validate(SnapshotDescription.newBuilder().setName("fail").build(),
75 conf);
76 fail("Snapshot was considered valid without a table name");
77 } catch (IllegalArgumentException e) {
78 LOG.debug("Correctly failed when snapshot doesn't have a tablename");
79 } catch (IOException e) {
80 LOG.debug("Correctly failed when saving acl into snapshot");
81 }
82 }
83
84
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86
87
88
89 @Test
90 public void testCompleteSnapshotWithNoSnapshotDirectoryFailure() throws Exception {
91 Path snapshotDir = new Path(root, HConstants.SNAPSHOT_DIR_NAME);
92 Path tmpDir = new Path(snapshotDir, ".tmp");
93 Path workingDir = new Path(tmpDir, "not_a_snapshot");
94 assertFalse("Already have working snapshot dir: " + workingDir
95 + " but shouldn't. Test file leak?", fs.exists(workingDir));
96 SnapshotDescription snapshot = SnapshotDescription.newBuilder().setName("snapshot").build();
97 try {
98 SnapshotDescriptionUtils.completeSnapshot(snapshot, root, workingDir, fs);
99 fail("Shouldn't successfully complete move of a non-existent directory.");
100 } catch (IOException e) {
101 LOG.info("Correctly failed to move non-existant directory: " + e.getMessage());
102 }
103 }
104 }