diff options
Diffstat (limited to 'src/test/java/com/gitblit/instance/GitblitInstanceIdTest.java')
| -rw-r--r-- | src/test/java/com/gitblit/instance/GitblitInstanceIdTest.java | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/test/java/com/gitblit/instance/GitblitInstanceIdTest.java b/src/test/java/com/gitblit/instance/GitblitInstanceIdTest.java new file mode 100644 index 00000000..e1c03757 --- /dev/null +++ b/src/test/java/com/gitblit/instance/GitblitInstanceIdTest.java @@ -0,0 +1,158 @@ +package com.gitblit.instance; + +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TemporaryFolder; + +import java.io.File; +import java.nio.file.Files; +import java.util.UUID; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + + +public class GitblitInstanceIdTest +{ + @Rule + public TemporaryFolder baseFolder = new TemporaryFolder(); + + /** + * Tests that the version nibble is set to 0x8. + */ + @Test + public void testUuidVersion() throws Exception + { + GitblitInstanceId id = new GitblitInstanceId(); + UUID uuid = id.getId(); + assertNotNull(uuid); + long upper = uuid.getMostSignificantBits(); + assertEquals(0x0000000000008000L, (upper & 0x000000000000F000L)); + } + + /** + * Tests that the variant nibble is set to 0x8. + */ + @Test + public void testUuidVariant() throws Exception + { + GitblitInstanceId id = new GitblitInstanceId(); + UUID uuid = id.getId(); + assertNotNull(uuid); + long lower = uuid.getLeastSignificantBits(); + assertEquals(0x8000000000000000L, (lower & 0xF000000000000000L)); + } + + /** + * Test that the first four bytes hold a timestamp in a newly generated id. + */ + @Test + public void testDatePart() throws Exception + { + GitblitInstanceId id = new GitblitInstanceId(); + UUID uuid = id.getId(); + assertNotNull(uuid); + long upper = uuid.getMostSignificantBits(); + long ts = System.currentTimeMillis(); + assertEquals("Date part of UUID does not equal current date/time.", ts >> 2*8, upper >> 4*8); + } + + + + /** + * Test that a new id is generated and stored in a file, when none existed. + */ + @Test + public void testStoreId() throws Exception + { + GitblitInstanceId id = new GitblitInstanceId(baseFolder.getRoot()); + UUID uuid = id.getId(); + assertNotNull(uuid); + long lower = uuid.getLeastSignificantBits(); + assertEquals(0x8000000000000000L, (lower & 0xF000000000000000L)); + long upper = uuid.getMostSignificantBits(); + assertEquals(0x0000000000008000L, (upper & 0x000000000000F000L)); + + File idFile = new File(baseFolder.getRoot(), GitblitInstanceId.STORAGE_FILE); + assertTrue("Id file was not created", idFile.exists()); + + String string = Files.readAllLines(idFile.toPath()).get(0); + try { + UUID uuidFromFile = UUID.fromString(string); + assertEquals("Returned id and id read from file are not equal.", uuid, uuidFromFile); + } catch (IllegalArgumentException e) { + fail("UUID read from file is not valid: " + string); + } + } + + + /** + * Test that a new id is generated and stored in a file, when none existed. + */ + @Test + public void testStoreIdNonexistingFolder() throws Exception + { + File baseSubFolder = new File(baseFolder.getRoot(), "nonexisting"); + + GitblitInstanceId id = new GitblitInstanceId(baseSubFolder); + UUID uuid = id.getId(); + assertNotNull(uuid); + long lower = uuid.getLeastSignificantBits(); + assertEquals(0x8000000000000000L, (lower & 0xF000000000000000L)); + long upper = uuid.getMostSignificantBits(); + assertEquals(0x0000000000008000L, (upper & 0x000000000000F000L)); + + File idFile = new File(baseSubFolder, GitblitInstanceId.STORAGE_FILE); + assertTrue("Id file was not created", idFile.exists()); + + String string = Files.readAllLines(idFile.toPath()).get(0); + try { + UUID uuidFromFile = UUID.fromString(string); + assertEquals("Returned id and id read from file are not equal.", uuid, uuidFromFile); + } catch (IllegalArgumentException e) { + fail("UUID read from file is not valid: " + string); + } + } + + + /** + * Test that an existing id is read from an existing id file. + */ + @Test + public void testReadId() throws Exception + { + File idFile = new File(baseFolder.getRoot(), GitblitInstanceId.STORAGE_FILE); + String uuidString = "0196e409-c664-82f3-88f1-e963d16c7b8a"; + Files.write(idFile.toPath(), uuidString.getBytes()); + + GitblitInstanceId id = new GitblitInstanceId(baseFolder.getRoot()); + UUID uuid = id.getId(); + assertNotNull(uuid); + + UUID refUuid = UUID.fromString(uuidString); + assertEquals("Returned id is not equal to reference id", refUuid, uuid); + } + + + /** + * Test reading id from a file with whitespace + */ + @Test + public void testReadIdWhitespace() throws Exception + { + File idFile = new File(baseFolder.getRoot(), GitblitInstanceId.STORAGE_FILE); + String uuidString = "0196e409-c664-82f3-88f1-e963d16c7b8a"; + String fileString = "\n " + uuidString + " \n \n"; + Files.write(idFile.toPath(), fileString.getBytes()); + + GitblitInstanceId id = new GitblitInstanceId(baseFolder.getRoot()); + UUID uuid = id.getId(); + assertNotNull(uuid); + + UUID refUuid = UUID.fromString(uuidString); + assertEquals("Returned id is not equal to reference id", refUuid, uuid); + } + +}
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