public void IncrementsKey()
{
var fileCollection = new SimpleFileCollection <RecordStub>();
var testRecord1 = new RecordStub();
var testRecord2 = new RecordStub();
fileCollection.Add(testRecord1);
fileCollection.Add(testRecord2);
testRecord1.Key.ShouldBe(0);
testRecord2.Key.ShouldBe(1);
}
public void CanAddRecord()
{
var fileCollection = new SimpleFileCollection <RecordStub>();
var testRecord = new RecordStub {
TestValue = "This is a test"
};
fileCollection.Add(testRecord);
var records = fileCollection.ToList();
records.ShouldContain(Is(testRecord));
}
public void CanUpdateRecord()
{
const string previousValue = "Test 1";
const string newValue = "Test 2";
var fileCollection = new SimpleFileCollection <RecordStub>();
var testRecord = new RecordStub {
TestValue = previousValue
};
fileCollection.Add(testRecord);
var addedRecord = fileCollection.SingleOrDefault(Matches(testRecord));
addedRecord.TestValue.ShouldBe(previousValue);
testRecord.TestValue = newValue;
fileCollection.Update(testRecord);
var updatedRecord = fileCollection.SingleOrDefault(Matches(testRecord));
updatedRecord.TestValue.ShouldBe(newValue);
}
private static Func <RecordStub, bool> Matches(RecordStub testRecord)
{
return(r => r.Key == testRecord.Key);
}
private static Expression <Func <RecordStub, bool> > Is(RecordStub testRecord)
{
return(r =>
r.Key == testRecord.Key &&
r.TestValue == testRecord.TestValue);
}