public IEnumerator GetEnumerator()
{
foreach (var filePath in Directory.GetFiles("TestCases"))
{
var testCase = new FormatTestCase();
testCase.FileName = Path.GetFileNameWithoutExtension(filePath);
using (var reader = new StreamReader(filePath))
{
testCase.ConfigurationString = reader.ReadLine();
reader.ReadLine().Should().Be("INPUT");
testCase.Input = new List <UsingStatement>();
while (true)
{
string line = reader.ReadLine();
if ((line == null) || (line == "OUTPUT"))
{
break;
}
if (UsingStatement.TryParse(line, out var statement))
{
testCase.Input.Add(statement);
}
}
var outputBuffer = new StringWriter();
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}
outputBuffer.WriteLine(line);
}
testCase.ExpectedOutput = outputBuffer.ToString();
yield return(testCase);
}
}
}
public void Format_should_produce_matching_output(FormatTestCase testCase)
{
// Arrange
var groupingRules = GroupingRule.Parse(testCase.ConfigurationString);
var outputBuffer = new StringWriter();
// Act
UsingStatementFormatter.Format(
outputBuffer,
testCase.Input,
groupingRules);
// Assert
outputBuffer.ToString().Should().Be(testCase.ExpectedOutput);
}
