public void TryReadDataFromUnexistedFileShouldBeException()
{
//arrange
int dataSize = 9;
FileProvider fileProvider = new FileProvider(filePath, dataSize);
//act
//assert
Assert.Throws <FileNotFoundException>(() => fileProvider.GetEnumerator().MoveNext());
}
public void ReadDataToThreeChunksShouldBeSuccess()
{
//arrange
string fileData = "Lorem ipsum dolor sit test";
int dataSize = 9;
string expectedContent1 = "Lorem ipsum ";
string expectedContent2 = "dolor sit ";
string expectedContent3 = "test";
int expectedStartIndex1 = 0;
int expectedStartIndex2 = 12;
int expectedStartIndex3 = 22;
List <Chunk> expectedChunks = new List <Chunk>
{
new Chunk {
StartIndex = expectedStartIndex1, Content = expectedContent1
},
new Chunk {
StartIndex = expectedStartIndex2, Content = expectedContent2
},
new Chunk {
StartIndex = expectedStartIndex3, Content = expectedContent3
}
};
CreateTestData(fileData);
FileProvider fileProvider = new FileProvider(filePath, dataSize);
//act
List <Chunk> actualChunks = new List <Chunk>();
var iterator = fileProvider.GetEnumerator();
iterator.MoveNext();
actualChunks.Add(iterator.Current);
iterator.MoveNext();
actualChunks.Add(iterator.Current);
iterator.MoveNext();
actualChunks.Add(iterator.Current);
//assert
Assert.AreEqual(expectedChunks, actualChunks);
}
public void ReadSimpleDataShouldBeSuccess()
{
//arrange
string fileData = "testad asdasdasdsa asdasdasd";
string expectedContent = fileData;
int expectedStartIndex = 0;
int dataSize = 30;
Chunk expectedChunk = new Chunk()
{
Content = expectedContent, StartIndex = expectedStartIndex
};
CreateTestData(expectedContent);
FileProvider fileProvider = new FileProvider(filePath, dataSize);
//act
var iterator = fileProvider.GetEnumerator();
iterator.MoveNext();
Chunk actualChunk = iterator.Current;
//assert
Assert.AreEqual(expectedChunk, actualChunk);
}