public async Task Test_FitsReader(FitsFileInfo testCaseData)
{
var path = Path.Combine(ReaderWriter_TestCaseDataProvider.TestDataDirectory, testCaseData.Name);
Assume.That(File.Exists(path));
await using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
await using var fitsReader = new FitsReader(fileStream, 0, true);
var counter = 0;
await foreach (var block in fitsReader.EnumerateBlocksAsync())
{
Assume.That(counter, Is.LessThan(testCaseData.NumUnits));
Assert.That(block.Keys.Count, Is.EqualTo(testCaseData.NumKeywordsPerUnit[counter++]));
TestContext.Out.WriteLine((counter, block.Keys.Count));
}
Assert.That(counter, Is.EqualTo(testCaseData.NumUnits));
}
public async Task Test_FitsReader_FitsWrite(FitsFileInfo testCaseData)
{
var path = Path.Combine(ReaderWriter_TestCaseDataProvider.TestDataDirectory, testCaseData.Name);
Assume.That(File.Exists(path));
List <Block> content;
List <Block> reReadContent;
await using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read))
{
await using var reader = new FitsReader(fileStream);
content = await reader.EnumerateBlocksAsync().ToListAsync();
}
await using var memStr = new MemoryStream();
{
await using (var writer = new FitsWriter(memStr))
foreach (var block in content)
{
await writer.WriteBlockAsync(block);
}
memStr.Seek(0, SeekOrigin.Begin);
await using var reader = new FitsReader(memStr);
reReadContent = await reader.EnumerateBlocksAsync().ToListAsync();
}
Assert.AreEqual(content.Count, reReadContent.Count);
for (var i = 0; i < content.Count; i++)
{
CollectionAssert.AreEqual(content[i].Keys, reReadContent[i].Keys);
Assert.IsTrue(content[i].RawData.SequenceEqual(reReadContent[i].RawData));
}
}