public void CloneTest()
{
Record target = new Record();
Record expected = target;
Record actual;
actual = target.Clone();
Assert.AreNotEqual(expected, actual);
target.Leader = "Take me to your leader!";
string expectedString = string.Empty.PadRight(FileMARC.LEADER_LEN);
string actualString;
actualString = actual.Leader;
Assert.AreEqual(expectedString, actualString);
target.Warnings.Add("Testing!");
int expectedCount = 0;
int actualCount;
actualCount = actual.Warnings.Count;
Assert.AreEqual(expectedCount, actualCount);
target.Fields.Add(new ControlField("001", "Test Data"));
expectedCount = 0;
actualCount = actual.Fields.Count;
Assert.AreEqual(expectedCount, actualCount);
}
/// <summary>
/// Decodes the raw MARC record into a <see cref="MARC.Record"/> at the specified index.///
/// </summary>
/// <param name="index">The index of the record to retrieve.</param>
/// <returns></returns>
private Record Decode(int index)
{
XElement record = _rawSource[index];
Record marcXml = new Record();
//First we get the leader
marcXml.Leader = record.Elements().First(e => e.Name.LocalName == "leader").Value;
//Now we get the control fields
foreach (XElement controlField in record.Elements().Where(e => e.Name.LocalName == "controlfield"))
{
ControlField newField = new ControlField(controlField.Attribute("tag").Value, controlField.Value);
marcXml.Fields.Add(newField);
}
//Now we get the data fields
foreach (XElement dataField in record.Elements().Where(e => e.Name.LocalName == "datafield"))
{
DataField newField = new DataField(dataField.Attribute("tag").Value, new List<Subfield>(), dataField.Attribute("ind1").Value[0], dataField.Attribute("ind2").Value[0]);
foreach (XElement subfield in dataField.Elements().Where(e => e.Name.LocalName == "subfield"))
{
Subfield newSubfield = new Subfield(subfield.Attribute("code").Value[0], subfield.Value);
newField.Subfields.Add(newSubfield);
}
marcXml.Fields.Add(newField);
}
return marcXml;
}
public void WarningsTest()
{
Record target = new Record();
string expected = "IT'S ALL BROKEN! SOUND THE ALARM!";
target.AddWarnings("IT'S ALL BROKEN! SOUND THE ALARM!");
List<string> actual;
actual = target.Warnings;
Assert.AreEqual(expected, actual[0]);
}
public void ToRawTest()
{
Record target = new Record();
target.Fields.Add(new ControlField("001", "I am data! (But not Data from Star Trek TNG)"));
//This will be empty, and thus not written
target.Fields.Add(new DataField("245"));
//I broke each bit of the record out into their own strings and concatenated because it's easier to follow.
//Leader -> Tag -> Length (+1 for EoF) -> Starts At -> EoF -> Data -> EoF -> EoR
string expected = "00083 2200037 4500" + "001" + "0045" + "00000" + FileMARC.END_OF_FIELD + "I am data! (But not Data from Star Trek TNG)" + FileMARC.END_OF_FIELD + FileMARC.END_OF_RECORD;
string actual;
actual = target.ToRaw();
Assert.AreEqual(expected, actual);
}
public void ToStringTest()
{
Record target = new Record();
target.Fields.Add(new ControlField("001", "I am data! (But not Data from Star Trek TNG)"));
//This will be empty, and thus not written
target.Fields.Add(new DataField("245"));
string expected = "LDR 00083 2200037 4500" + Environment.NewLine +
"001" + " " + "I am data! (But not Data from Star Trek TNG)" + Environment.NewLine;
string actual;
actual = target.ToString();
Assert.AreEqual(expected, actual);
}
public void LeaderTest()
{
Record target = new Record();
string expected = "Take me to your leader!";
string actual;
target.Leader = expected;
actual = target.Leader;
Assert.AreEqual(expected, actual);
}
public void RecordConstructorTest()
{
Record target = new Record();
{
int expected = 0;
int actual = target.Fields.Count;
Assert.AreEqual(expected, actual);
actual = target.Warnings.Count;
Assert.AreEqual(expected, actual);
}
{
string expected = " "; //24 spaces! Yes I counted! :awesome:
string actual = target.Leader;
Assert.AreEqual(expected, actual);
}
}
public void InsertFieldTest()
{
Record target = new Record();
string tag = "245";
target.Fields.Add(new ControlField("001", "I am data! (But not Data from Star Trek TNG)"));
target.Fields.Add(new DataField(tag));
target.Fields.Add(new DataField("521", new List<Subfield>(), ' ', '1'));
Field newField = new DataField("300", new List<Subfield>(), '0', '1');
target.InsertField(newField);
Assert.AreSame(newField, target.Fields[2]);
}
public void ItemTest()
{
Record target = new Record();
string tag = "245";
ControlField controlField = new ControlField("001", "I am data! (But not Data from Star Trek TNG)");
DataField dataField = new DataField(tag);
DataField dataField2 = new DataField(tag, new List<Subfield>(), ' ', '1');
target.Fields.Add(controlField);
target.Fields.Add(dataField);
target.Fields.Add(dataField2);
Field expected = dataField;
Field actual;
actual = target[tag];
}
public void GetFieldsTest()
{
Record target = new Record();
string tag = "245";
target.Fields.Add(new ControlField("001", "I am data! (But not Data from Star Trek TNG)"));
target.Fields.Add(new DataField(tag));
target.Fields.Add(new DataField("521", new List<Subfield>(), ' ', '1'));
List<Field> expected = new List<Field>();
expected.Add(new DataField(tag));
List<Field> actual;
actual = target.GetFields(tag);
Assert.AreEqual(expected.Count, actual.Count);
Assert.AreEqual(expected[0].ToRaw(), actual[0].ToRaw());
}
public void FieldsTest()
{
Record target = new Record();
ControlField controlField = new ControlField("001", "I am data! (But not Data from Star Trek TNG)");
DataField dataField = new DataField("245");
DataField dataField2 = new DataField("521", new List<Subfield>(), ' ', '1');
target.Fields.Add(controlField);
target.Fields.Add(dataField);
target.Fields.Add(dataField2);
{
int expected = 3;
int actual;
actual = target.Fields.Count;
Assert.AreEqual(expected, actual);
}
{
Field expected = controlField;
Field actual;
actual = target.Fields[0];
Assert.AreSame(expected, actual);
expected = dataField;
actual = target.Fields[1];
Assert.AreSame(expected, actual);
expected = dataField2;
actual = target.Fields[2];
Assert.AreSame(expected, actual);
}
{
List<Field> expected = new List<Field>();
expected.Add(controlField);
expected.Add(dataField);
expected.Add(dataField2);
target.Fields = expected;
List<Field> actual;
actual = target.Fields;
Assert.AreSame(expected, actual);
}
}
/// <summary>
/// Decodes the raw MARC record into a <see cref="MARC.Record"/> at the specified index.///
/// </summary>
/// <param name="index">The index of the record to retrieve.</param>
/// <returns></returns>
private Record Decode(int index)
{
string raw = _rawSource[index];
Record marc = new Record();
Match match = Regex.Match(raw, "^(\\d{5})");
int recordLength = 0;
// Store record length
if (match.Captures.Count == 0)
marc.AddWarnings("MARC record length is not numeric.");
else
recordLength = Convert.ToInt32(match.Captures[0].Value);
if (recordLength != raw.Length)
{
marc.AddWarnings("MARC record length does not match actual length.");
recordLength = raw.Length;
}
if (!raw.EndsWith(END_OF_RECORD.ToString()))
throw new InvalidDataException("MARC record ends with an invalid terminator");
//Store leader
marc.Leader = raw.Substring(0, LEADER_LEN);
//Bytes 12-16 of leader give offset to the body of the record
int dataStart = Convert.ToInt32(raw.Substring(12, 5));
//Immediately after the leader comes the directory (no separator)
string directory = raw.Substring(LEADER_LEN, dataStart - LEADER_LEN - 1);
//Character after the directory should be END_OF_FIELD
if (raw.Substring(dataStart - 1, 1) != END_OF_FIELD.ToString())
marc.AddWarnings("No directory found.");
//All directory entries must be DIRECTORY_ENTRY_LEN long, so length % DIRECTORY_ENTRY_LEN should be 0
if (directory.Length % DIRECTORY_ENTRY_LEN != 0)
marc.AddWarnings("Invalid directory length.");
//Go through all the fields
int fieldCount = directory.Length / DIRECTORY_ENTRY_LEN;
for (int i = 0; i < fieldCount; i++)
{
string tag = directory.Substring(i * DIRECTORY_ENTRY_LEN, DIRECTORY_ENTRY_LEN).Substring(0, 3);
int fieldLength = 0;
int fieldOffset = 0;
try
{
fieldLength = Convert.ToInt32(directory.Substring(i * DIRECTORY_ENTRY_LEN, DIRECTORY_ENTRY_LEN).Substring(3, 4));
}
catch (FormatException)
{
marc.AddWarnings("Invalid Directory Tag Length for tag " + tag + ".");
}
try
{
fieldOffset = Convert.ToInt32(directory.Substring(i * DIRECTORY_ENTRY_LEN, DIRECTORY_ENTRY_LEN).Substring(7, 5));
}
catch (FormatException)
{
marc.AddWarnings("Invalid Directory Offset for tag " + tag + ".");
}
//Check Directory validity
//If a tag isn't valid, default it to ZZZ. This should at least make the record valid enough to be readable and not throw exceptions
if (!Field.ValidateTag(tag))
{
marc.AddWarnings("Invalid tag " + tag + " in directory.");
tag = "ZZZ";
}
if (fieldOffset + fieldLength > recordLength)
marc.AddWarnings("Directory entry for tag " + tag + " runs past the end of the record.");
int fieldStart = dataStart + fieldOffset;
if (fieldStart > recordLength)
{
marc.AddWarnings("Directory entry for tag " + tag + " starts past the end of the record. Skipping tag and all proceeding tags.");
break;
}
else if (fieldStart + fieldLength > recordLength)
{
marc.AddWarnings("Directory entry for tag " + tag + " runs past the end of the record.");
fieldLength = recordLength - fieldStart;
}
string tagData = raw.Substring(fieldStart, fieldLength);
if (tagData.Substring(tagData.Length - 1, 1) == END_OF_FIELD.ToString())
{
//Get rid of the end of tag character
tagData = tagData.Remove(tagData.Length - 1);
fieldLength--;
}
else
marc.AddWarnings("Field for tag " + tag + " does not end with an end of field character.");
match = Regex.Match(tag, "^\\d+$");
if (match.Captures.Count > 0 && Convert.ToInt32(tag) < 10)
marc.Fields.Add(new ControlField(tag, tagData));
else
{
List<string> rawSubfields = new List<string>(tagData.Split(SUBFIELD_INDICATOR));
string indicators = rawSubfields[0];
rawSubfields.RemoveAt(0);
char ind1;
char ind2;
if (indicators.Length != 2)
{
marc.AddWarnings("Invalid indicator length. Forced indicators to blanks for tag " + tag + ".");
ind1 = ind2 = ' ';
}
else
{
ind1 = char.ToLower(indicators[0]);
if (!DataField.ValidateIndicator(ind1))
{
ind1 = ' ';
marc.AddWarnings("Invalid first indicator. Forced first indicator to blank for tag " + tag + ".");
}
ind2 = char.ToLower(indicators[1]);
if (!DataField.ValidateIndicator(ind2))
{
ind2 = ' ';
marc.AddWarnings("Invalid second indicator. Forced second indicator to blank for tag " + tag + ".");
}
}
//Split the subfield data into subfield name and data pairs
List<Subfield> subfieldData = new List<Subfield>();
foreach (string subfield in rawSubfields)
{
if (subfield.Length > 0)
subfieldData.Add(new Subfield(subfield[0], subfield.Substring(1)));
else
marc.AddWarnings("No subfield data found in tag " + tag + ".");
}
if (subfieldData.Count == 0)
marc.AddWarnings("No subfield data found in tag " + tag + ".");
marc.Fields.Add(new DataField(tag, subfieldData, ind1, ind2));
}
}
return marc;
}
/// <summary>
/// Writes the specified record.
/// </summary>
/// <param name="record">The record.</param>
public void Write(Record record)
{
XDocument xml = record.ToXMLDocument();
xml.Save(writer);
}
/// <summary>
/// Makes a deep clone of this instance.
/// </summary>
/// <returns></returns>
public Record Clone()
{
Record clone = new Record();
clone.Leader = this.Leader;
foreach (string needsCloned in Warnings)
clone.AddWarnings(needsCloned);
foreach (Field needsCloned in this.Fields)
clone.Fields.Add(needsCloned.Clone());
return clone;
}