public void DeleteUnusedKeyFlushesToDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, TestEntry);
dut.RemoveAndFlush("UnusedKey");
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry);
}
public void SetValueAndFlushWritesEntryToDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry);
}
public void SetValueAndFlushWritesEntryToDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { TestEntry });
}
public void SetValueAndFlushUpdatedEntryOnDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, TestEntry);
dut.SetValueAndFlush(TestKey, UpdatedTestValue);
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { UpdatedTestEntry });
}
public void ParsesExistingDataCorrectly()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, TestEntry);
string value;
dut.TryGetValue(TestKey, out value).ShouldEqual(true);
value.ShouldEqual(TestValue);
}
public void SetValueAndFlushRecoversFromMixOfFailures()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem(failuresAcrossOpenExistsAndOverwritePath: MockEntryFileName + ".tmp");
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry);
}
public void SetValueAndFlushRecoversFromMixOfFailures()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem(failuresAcrossOpenExistsAndOverwritePath: MockEntryFileName + ".tmp");
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { TestEntry });
}
public void SetValuesAndFlushUsesLastValueWhenKeyDuplicated()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValuesAndFlush(
new[]
{
new KeyValuePair <string, string>(TestKey, TestValue),
new KeyValuePair <string, string>(TestKey, UpdatedTestValue),
});
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(UpdatedTestEntry);
}
public void SetValuesAndFlushWritesEntriesToDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValuesAndFlush(
new[]
{
new KeyValuePair <string, string>(TestKey, TestValue),
new KeyValuePair <string, string>(TestKey2, TestValue2),
});
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { TestEntry, TestEntry2 });
}
public void SetValuesAndFlushUsesLastValueWhenKeyDuplicated()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValuesAndFlush(
new[]
{
new KeyValuePair <string, string>(TestKey, TestValue),
new KeyValuePair <string, string>(TestKey, UpdatedTestValue),
});
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { UpdatedTestEntry });
}
public void SetValuesAndFlushWritesEntriesToDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValuesAndFlush(
new[]
{
new KeyValuePair <string, string>(TestKey, TestValue),
new KeyValuePair <string, string>(TestKey2, TestValue2),
});
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry + TestEntry2);
}
public void SetValueAndFlushRecoversFromDeletedTempAndFailedOverwrite()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem(
openFileStreamFailurePath: null,
maxOpenFileStreamFailures: 0,
fileExistsFailurePath: MockEntryFileName + ".tmp",
maxFileExistsFailures: 5,
maxMoveAndOverwriteFileFailures: 5);
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry);
}
public void SetValueAndFlushRecoversFromDeletedTempAndFailedOverwrite()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem(
openFileStreamFailurePath: null,
maxOpenFileStreamFailures: 0,
fileExistsFailurePath: MockEntryFileName + ".tmp",
maxFileExistsFailures: 5,
maxMoveAndOverwriteFileFailures: 5);
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
dut.SetValueAndFlush(TestKey, TestValue);
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { TestEntry });
}
public void SetValuesAndFlushWritesNewEntryAndUpdatesExistingEntryOnDisk()
{
FileBasedDictionaryFileSystem fs = new FileBasedDictionaryFileSystem();
FileBasedDictionary <string, string> dut = CreateFileBasedDictionary(fs, string.Empty);
// Add TestKey to disk
dut.SetValueAndFlush(TestKey, TestValue);
fs.ExpectedFiles[MockEntryFileName].ReadAsString().ShouldEqual(TestEntry);
// This call to SetValuesAndFlush should update TestKey and write TestKey2
dut.SetValuesAndFlush(
new[]
{
new KeyValuePair <string, string>(TestKey, UpdatedTestValue),
new KeyValuePair <string, string>(TestKey2, TestValue2),
});
this.FileBasedDictionaryFileSystemShouldContain(fs, new[] { UpdatedTestEntry, TestEntry2 });
}
private void FileBasedDictionaryFileSystemShouldContain(
FileBasedDictionaryFileSystem fs,
IList <string> expectedEntries)
{
string delimiter = "\r\n";
string fileContents = fs.ExpectedFiles[MockEntryFileName].ReadAsString();
fileContents.Substring(fileContents.Length - delimiter.Length).ShouldEqual(delimiter);
// Remove the trailing delimiter
fileContents = fileContents.Substring(0, fileContents.Length - delimiter.Length);
string[] fileLines = fileContents.Split(new[] { delimiter }, StringSplitOptions.None);
fileLines.Length.ShouldEqual(expectedEntries.Count);
foreach (string expectedEntry in expectedEntries)
{
fileLines.ShouldContain(line => line.Equals(expectedEntry.Substring(0, expectedEntry.Length - delimiter.Length)));
}
}
private static FileBasedDictionary <string, string> CreateFileBasedDictionary(FileBasedDictionaryFileSystem fs, string initialContents)
{
fs.ExpectedFiles.Add(MockEntryFileName, new ReusableMemoryStream(initialContents));
fs.ExpectedOpenFileStreams.Add(MockEntryFileName + ".tmp", new ReusableMemoryStream(string.Empty));
fs.ExpectedOpenFileStreams.Add(MockEntryFileName, fs.ExpectedFiles[MockEntryFileName]);
string error;
FileBasedDictionary <string, string> dut;
FileBasedDictionary <string, string> .TryCreate(null, MockEntryFileName, fs, out dut, out error).ShouldEqual(true, error);
dut.ShouldNotBeNull();
// FileBasedDictionary should only open a file stream to the non-tmp file when being created. At all other times it should
// write to a tmp file and overwrite the non-tmp file
fs.ExpectedOpenFileStreams.Remove(MockEntryFileName);
return(dut);
}