public void returns_all_existing_files_with_correct_pattern()
{
File.Create(Path.Combine(PathName, "foo")).Close();
File.Create(Path.Combine(PathName, "bla")).Close();
File.Create(Path.Combine(PathName, "chunk-000001.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000002.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000003.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000007")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000002")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000005")).Close();
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var versions = strategy.GetAllPresentFiles();
Array.Sort(versions, StringComparer.CurrentCultureIgnoreCase);
Assert.AreEqual(7, versions.Length);
Assert.AreEqual(Path.Combine(PathName, "chunk-000001.000000"), versions[0]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000002.000000"), versions[1]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000003.000000"), versions[2]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000000"), versions[3]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000002"), versions[4]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000005"), versions[5]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000007"), versions[6]);
}
public void returns_all_temp_files_in_directory()
{
File.Create(GetFilePathFor("bla")).Close();
File.Create(GetFilePathFor("bla.tmp")).Close();
File.Create(GetFilePathFor("bla.temp")).Close();
File.Create(GetFilePathFor("chunk-000005.000007.tmp")).Close();
File.Create(GetFilePathFor("foo.tmp")).Close();
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var tempFiles = strategy.GetAllTempFiles();
Assert.AreEqual(3, tempFiles.Length);
Assert.AreEqual(GetFilePathFor("bla.tmp"), tempFiles[0]);
Assert.AreEqual(GetFilePathFor("chunk-000005.000007.tmp"), tempFiles[1]);
Assert.AreEqual(GetFilePathFor("foo.tmp"), tempFiles[2]);
}
public void returns_temp_filenames_detectable_by_getalltempfiles_method()
{
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
Assert.AreEqual(0, strategy.GetAllTempFiles().Length);
var tmp1 = strategy.GetTempFilename();
var tmp2 = strategy.GetTempFilename();
File.Create(tmp1).Close();
File.Create(tmp2).Close();
var tmp = new[] { tmp1, tmp2 };
Array.Sort(tmp);
var tempFiles = strategy.GetAllTempFiles();
Array.Sort(tempFiles);
Assert.AreEqual(2, tempFiles.Length);
Assert.AreEqual(tmp[0], tempFiles[0]);
Assert.AreEqual(tmp[1], tempFiles[1]);
}
public void iterates_chunks_with_correct_callback_order()
{
File.Create(GetFilePathFor("foo")).Close(); // should be ignored
File.Create(GetFilePathFor("bla")).Close(); // should be ignored
File.Create(GetFilePathFor("chunk-000001.000000.tmp")).Close(); // should be ignored
File.Create(GetFilePathFor("chunk-001.000")).Close(); // should be ignored
// chunk 0 is missing
File.Create(GetFilePathFor("chunk-000001.000000")).Close(); // chunks 1 - 1 (latest)
File.Create(GetFilePathFor("chunk-000002.000001")).Close(); // chunks 2 - 2 (latest)
// chunks 3 & 4 are missing
File.Create(GetFilePathFor("chunk-000005.000000")).Close(); // chunks 5 - 5 (old)
File.Create(GetFilePathFor("chunk-000005.000001")).Close(); // chunks 5 - 6 (old)
File.Create(GetFilePathFor("chunk-000005.000002")).Close(); // chunks 5 - 7 (latest)
File.Create(GetFilePathFor("chunk-000006.000000")).Close(); // chunks 6 - 6 (old)
// chunk 7 is not missing - it's merged with chunk 5
File.Create(GetFilePathFor("chunk-000008.000007")).Close(); // chunks 8 - 8 (latest)
// chunk 9 is missing
File.Create(GetFilePathFor("chunk-000010.000005")).Close(); // chunks 10 - 14 (latest)
// chunks 15 & 16 are missing
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var chunkEnumerator = new TFChunkEnumerator(strategy);
var result = new List <string>();
int GetNextFileNumber((string chunk, int chunkNumber, int chunkVersion) t)
{
return(Path.GetFileName(t.chunk) switch {
"chunk-000001.000000" => 2,
"chunk-000002.000001" => 3,
"chunk-000005.000000" => 6,
"chunk-000005.000001" => 7,
"chunk-000005.000002" => 8,
"chunk-000006.000000" => 7,
"chunk-000008.000007" => 9,
"chunk-000010.000005" => 15,
_ => throw new Exception($"Unexpected file: {t.chunk}")
});
public void returns_all_existing_versions_of_the_same_chunk_in_descending_order_of_versions()
{
File.Create(Path.Combine(PathName, "foo")).Close();
File.Create(Path.Combine(PathName, "bla")).Close();
File.Create(Path.Combine(PathName, "chunk-000001.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000002.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000003.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000007")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000002")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000005")).Close();
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var versions = strategy.GetAllVersionsFor(5);
Assert.AreEqual(4, versions.Length);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000007"), versions[0]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000005"), versions[1]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000002"), versions[2]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000000"), versions[3]);
}
public void when_getting_file_for_negative_version_throws_argumentoutofrangeexception()
{
var strategy = new VersionedPatternFileNamingStrategy("Path", "prefix");
Assert.Throws <ArgumentOutOfRangeException>(() => strategy.GetFilenameFor(0, -1));
}
public void when_getting_file_for_nonnegative_index_and_version_appends_value_and_provided_version()
{
var strategy = new VersionedPatternFileNamingStrategy("path", "prefix-");
Assert.AreEqual("path" + Path.DirectorySeparatorChar + "prefix-000001.000007", strategy.GetFilenameFor(1, 7));
}
public void when_getting_file_for_positive_index_and_no_version_appends_index_to_name_with_zero_version()
{
var strategy = new VersionedPatternFileNamingStrategy("path", "prefix-");
Assert.AreEqual("path" + Path.DirectorySeparatorChar + "prefix-000001.000000", strategy.GetFilenameFor(1));
}
public void returns_all_existing_versions_of_the_same_chunk_in_descending_order_of_versions()
{
File.Create(Path.Combine(PathName, "foo")).Close();
File.Create(Path.Combine(PathName, "bla")).Close();
File.Create(Path.Combine(PathName, "chunk-000001.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000002.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000003.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000000")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000007")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000002")).Close();
File.Create(Path.Combine(PathName, "chunk-000005.000005")).Close();
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var versions = strategy.GetAllVersionsFor(5);
Assert.AreEqual(4, versions.Length);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000007"), versions[0]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000005"), versions[1]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000002"), versions[2]);
Assert.AreEqual(Path.Combine(PathName, "chunk-000005.000000"), versions[3]);
}
public void when_getting_file_for_positive_index_and_no_version_appends_index_to_name_with_zero_version()
{
var strategy = new VersionedPatternFileNamingStrategy("path", "prefix-");
Assert.AreEqual("path" + Path.DirectorySeparatorChar + "prefix-000001.000000", strategy.GetFilenameFor(1));
}
public void when_getting_file_for_nonnegative_index_and_version_appends_value_and_provided_version()
{
var strategy = new VersionedPatternFileNamingStrategy("path", "prefix-");
Assert.AreEqual("path" + Path.DirectorySeparatorChar + "prefix-000001.000007", strategy.GetFilenameFor(1, 7));
}
public void when_getting_file_for_negative_version_throws_argumentoutofrangeexception()
{
var strategy = new VersionedPatternFileNamingStrategy("Path", "prefix");
Assert.Throws<ArgumentOutOfRangeException>(() => strategy.GetFilenameFor(0, -1));
}
public void returns_temp_filenames_detectable_by_getalltempfiles_method()
{
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
Assert.AreEqual(0, strategy.GetAllTempFiles().Length);
var tmp1 = strategy.GetTempFilename();
var tmp2 = strategy.GetTempFilename();
File.Create(tmp1).Close();
File.Create(tmp2).Close();
var tmp = new[] { tmp1, tmp2 };
Array.Sort(tmp);
var tempFiles = strategy.GetAllTempFiles();
Array.Sort(tempFiles);
Assert.AreEqual(2, tempFiles.Length);
Assert.AreEqual(tmp[0], tempFiles[0]);
Assert.AreEqual(tmp[1], tempFiles[1]);
}
public void returns_all_temp_files_in_directory()
{
File.Create(Path.Combine(PathName, "bla")).Close();
File.Create(Path.Combine(PathName, "bla.tmp")).Close();
File.Create(Path.Combine(PathName, "bla.temp")).Close();
File.Create(Path.Combine(PathName, "foo.tmp")).Close();
var strategy = new VersionedPatternFileNamingStrategy(PathName, "chunk-");
var tempFiles = strategy.GetAllTempFiles();
Assert.AreEqual(2, tempFiles.Length);
Assert.AreEqual(Path.Combine(PathName, "bla.tmp"), tempFiles[0]);
Assert.AreEqual(Path.Combine(PathName, "foo.tmp"), tempFiles[1]);
}
