// A reporter that does nothing
/// <exception cref="System.IO.IOException"/>
internal virtual void CheckFormat(JobConf job, int expectedN)
{
NLineInputFormat format = new NLineInputFormat();
format.Configure(job);
int ignoredNumSplits = 1;
InputSplit[] splits = format.GetSplits(job, ignoredNumSplits);
// check all splits except last one
int count = 0;
for (int j = 0; j < splits.Length - 1; j++)
{
NUnit.Framework.Assert.AreEqual("There are no split locations", 0, splits[j].GetLocations
().Length);
RecordReader <LongWritable, Text> reader = format.GetRecordReader(splits[j], job,
voidReporter);
Type readerClass = reader.GetType();
NUnit.Framework.Assert.AreEqual("reader class is LineRecordReader.", typeof(LineRecordReader
), readerClass);
LongWritable key = reader.CreateKey();
Type keyClass = key.GetType();
NUnit.Framework.Assert.AreEqual("Key class is LongWritable.", typeof(LongWritable
), keyClass);
Text value = reader.CreateValue();
Type valueClass = value.GetType();
NUnit.Framework.Assert.AreEqual("Value class is Text.", typeof(Text), valueClass);
try
{
count = 0;
while (reader.Next(key, value))
{
count++;
}
}
finally
{
reader.Close();
}
NUnit.Framework.Assert.AreEqual("number of lines in split is " + expectedN, expectedN
, count);
}
}
