//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void dropShouldDeleteEntireIndexFolder()
public virtual void DropShouldDeleteEntireIndexFolder()
{
// given
File root = Storage.directory().directory("root");
IndexDirectoryStructure directoryStructure = IndexDirectoryStructure.directoriesByProvider(root).forProvider(GenericNativeIndexProvider.Descriptor);
long indexId = 8;
File indexDirectory = directoryStructure.DirectoryForIndex(indexId);
StoreIndexDescriptor descriptor = IndexDescriptorFactory.forSchema(SchemaDescriptorFactory.forLabel(1, 1)).withId(indexId);
IndexSpecificSpaceFillingCurveSettingsCache spatialSettings = mock(typeof(IndexSpecificSpaceFillingCurveSettingsCache));
PageCache pageCache = Storage.pageCache();
FileSystemAbstraction fs = Storage.fileSystem();
File indexFile = new File(indexDirectory, "my-index");
GenericLayout layout = new GenericLayout(1, spatialSettings);
RecoveryCleanupWorkCollector immediate = immediate();
IndexDropAction dropAction = new FileSystemIndexDropAction(fs, directoryStructure);
GenericNativeIndexPopulator populator = new GenericNativeIndexPopulator(pageCache, fs, indexFile, layout, EMPTY, descriptor, spatialSettings, directoryStructure, mock(typeof(SpaceFillingCurveConfiguration)), dropAction, false);
populator.Create();
// when
assertTrue(fs.ListFiles(indexDirectory).Length > 0);
populator.Drop();
// then
assertFalse(fs.FileExists(indexDirectory));
}
/// <summary>
/// Creates a new id file.
/// </summary>
/// <param name="file"> The name of the id generator </param>
/// <param name="throwIfFileExists"> if {@code true} will cause an <seealso cref="System.InvalidOperationException"/> to be thrown if
/// the file already exists. if {@code false} will truncate the file writing the header in it. </param>
public static void CreateEmptyIdFile(FileSystemAbstraction fs, File file, long highId, bool throwIfFileExists)
{
// sanity checks
if (fs == null)
{
throw new System.ArgumentException("Null filesystem");
}
if (file == null)
{
throw new System.ArgumentException("Null filename");
}
if (throwIfFileExists && fs.FileExists(file))
{
throw new System.InvalidOperationException("Can't create id file [" + file + "], file already exists");
}
try
{
using (StoreChannel channel = fs.Create(file))
{
// write the header
channel.Truncate(0);
ByteBuffer buffer = ByteBuffer.allocate(HeaderSize);
buffer.put(_cleanGenerator).putLong(highId).flip();
channel.WriteAll(buffer);
channel.Force(false);
}
}
catch (IOException e)
{
throw new UnderlyingStorageException("Unable to create id file " + file, e);
}
}
public void SetMigrationStatus(Org.Neo4j.Io.fs.FileSystemAbstraction fs, java.io.File stateFile, string info)
{
if (fs.FileExists(stateFile))
{
try
{
fs.Truncate(stateFile, 0);
}
catch (IOException e)
{
throw new Exception(e);
}
}
try
{
using (Writer writer = fs.OpenAsWriter(stateFile, StandardCharsets.UTF_8, false))
{
writer.write(name());
writer.write('\n');
writer.write(info);
writer.flush();
}
}
catch (IOException e)
{
throw new Exception(e);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSuppressFailureToCloseChannelInFailedAttemptToReadHeaderAfterOpen() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSuppressFailureToCloseChannelInFailedAttemptToReadHeaderAfterOpen()
{
// GIVEN a file which returns 1/2 log header size worth of bytes
FileSystemAbstraction fs = mock(typeof(FileSystemAbstraction));
LogFiles logFiles = LogFilesBuilder.builder(_directory.databaseLayout(), fs).withTransactionIdStore(_transactionIdStore).withLogVersionRepository(_logVersionRepository).build();
int logVersion = 0;
File logFile = logFiles.GetLogFileForVersion(logVersion);
StoreChannel channel = mock(typeof(StoreChannel));
when(channel.read(any(typeof(ByteBuffer)))).thenReturn(LogHeader.LOG_HEADER_SIZE / 2);
when(fs.FileExists(logFile)).thenReturn(true);
when(fs.Open(eq(logFile), any(typeof(OpenMode)))).thenReturn(channel);
doThrow(typeof(IOException)).when(channel).close();
// WHEN
try
{
logFiles.OpenForVersion(logVersion);
fail("Should have failed");
}
catch (IncompleteLogHeaderException e)
{
// THEN good
verify(channel).close();
assertEquals(1, e.Suppressed.length);
assertTrue(e.Suppressed[0] is IOException);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalArgumentException.class) public void shouldThrowWhenTryingToCreateFileThatAlreadyExists()
public virtual void ShouldThrowWhenTryingToCreateFileThatAlreadyExists()
{
// Given
FileSystemAbstraction fs = mock(typeof(FileSystemAbstraction));
when(fs.FileExists(_file)).thenReturn(false).thenReturn(true);
when(fs.GetFileSize(_file)).thenReturn(42L);
// When
new IndexProviderStore(_file, fs, MetaDataStore.versionStringToLong("3.5"), false);
// Then
// exception is thrown
}
public override bool FileExists(File file)
{
return(@delegate.FileExists(file));
}