// [TestCase(@"files/example_1GB.txt", @"files/example_expected.txt", 50000)]
public async Task Sort_ProducesCorrectResult(string inputFileName, string expectedOutputFileName, int batchSize)
{
// arrange
var options = new FileSorterOptions
{
BatchSize = batchSize
};
_fixture.Register(() => options);
var outFileName = FileSorter.DefaultOutFileName(inputFileName);
var sorter = _fixture.Create <FileSorter>();
// act
await sorter.Sort(inputFileName, outFileName, CancellationToken.None);
// assert
await using var outputExpectedFile = File.OpenRead(expectedOutputFileName);
using var outputExpectedReader = new StreamReader(outputExpectedFile);
await using var outputActualFile = File.OpenRead(outFileName);
using var outputActualReader = new StreamReader(outputActualFile);
while (!outputExpectedReader.EndOfStream)
{
var expectedLine = await outputExpectedReader.ReadLineAsync();
Assert.IsTrue(!outputActualReader.EndOfStream);
var actualLine = await outputActualReader.ReadLineAsync();
Assert.AreEqual(expectedLine, actualLine);
}
Assert.IsTrue(outputActualReader.EndOfStream);
}
public void Sort_DoesntThrow(string fileName, int batchSize)
{
// arrange
var options = new FileSorterOptions
{
BatchSize = batchSize
};
_fixture.Register(() => options);
var sorter = _fixture.Create <FileSorter>();
// assert
Assert.DoesNotThrowAsync(async() =>
{
// act
await sorter.Sort(fileName, null, CancellationToken.None);
});
}