public async Task ErrorHandling()
{
using (var tempFiles = new TempFileStorage(canGetFileNames: true))
{
var storage = (ISandboxedProcessFileStorage)tempFiles;
var fileName = storage.GetFileName(SandboxedProcessFile.StandardOutput);
SandboxedProcessOutput output;
using (var fileStream = FileUtilities.CreateFileStream(fileName, FileMode.CreateNew, FileAccess.Write, FileShare.None, allowExcludeFileShareDelete: true))
{
var content = new string('S', 100);
var outputBuilder =
new SandboxedProcessOutputBuilder(Encoding.UTF8, content.Length / 2, tempFiles, SandboxedProcessFile.StandardOutput, null);
// NOTE: this only holds on Windows
// The specified content plus a NewLine will exceed the max memory length.
// Thus, the output builder will try to write the content to a file.
// However, the file is not writable (this runs in a using clause that already opened the file).
// Thus, this will internally fail, but not yet throw an exception.
outputBuilder.AppendLine(content);
output = outputBuilder.Freeze();
XAssert.IsTrue(output.HasException);
}
await Assert.ThrowsAsync <BuildXLException>(() => output.ReadValueAsync());
await Assert.ThrowsAsync <BuildXLException>(() => output.SaveAsync());
Assert.Throws <BuildXLException>(() => output.CreateReader());
}
}
public async Task ObservedOutputWithNullStorage()
{
var content = new string('S', 100);
string observedOutput = string.Empty;
var outputBuilder =
new SandboxedProcessOutputBuilder(
Encoding.UTF8,
0,
null,
SandboxedProcessFile.StandardOutput,
writtenOutput => observedOutput += writtenOutput);
outputBuilder.AppendLine(content);
SandboxedProcessOutput output = outputBuilder.Freeze();
XAssert.IsFalse(output.IsSaved);
XAssert.AreEqual(string.Empty, await output.ReadValueAsync());
XAssert.AreEqual(content, observedOutput);
}
public void OutputPassThroughToParentConsole()
{
// Verify we can construct a builder with pass-through arguments.
var outputBuilder =
new SandboxedProcessOutputBuilder(
Encoding.UTF8,
maxMemoryLength: 0,
fileStorage: null,
file: SandboxedProcessFile.StandardOutput,
observer: null);
XAssert.IsFalse(outputBuilder.HookOutputStream);
SandboxedProcessOutput output = outputBuilder.Freeze();
XAssert.IsNotNull(output);
XAssert.IsTrue(output.HasLength);
XAssert.IsFalse(output.HasException);
XAssert.AreEqual(0, output.Length);
}
public async Task OutputInMemory()
{
using (var tempFiles = new TempFileStorage(canGetFileNames: true))
{
var storage = (ISandboxedProcessFileStorage)tempFiles;
var fileName = storage.GetFileName(SandboxedProcessFile.StandardOutput);
var content = new string('S', 100);
var outputBuilder =
new SandboxedProcessOutputBuilder(
Encoding.UTF8,
content.Length + Environment.NewLine.Length,
tempFiles,
SandboxedProcessFile.StandardOutput,
null);
outputBuilder.AppendLine(content);
var output = outputBuilder.Freeze();
XAssert.IsFalse(output.IsSaved);
XAssert.IsFalse(File.Exists(fileName));
XAssert.AreEqual(content + Environment.NewLine, await output.ReadValueAsync());
}
}
