public void usings_are_ordered_system_first_then_alphabetically()
{
var isFailed = false;
var builder = new StringBuilder();
foreach (var sourcePath in ConventionsHelper.GetCSharpSourcePaths())
{
var source = File.ReadAllText(sourcePath);
var syntaxTree = CSharpSyntaxTree.ParseText(source);
var usings = ((CompilationUnitSyntax)syntaxTree.GetRoot()).Usings;
var sorted = usings.OrderBy(u => u, UsingComparer.Instance).ToList();
if (usings.SequenceEqual(sorted) == false)
{
isFailed = true;
builder.AppendLine($"Usings ordered incorrectly in '{sourcePath}'");
builder.Append(" (");
builder.Append(string.Join(", ", sorted));
builder.AppendLine(")");
}
}
isFailed.ShouldBeFalse(builder.ToString());
}
public void DateTime_Now_is_never_used()
{
var sourcePaths = ConventionsHelper.GetCSharpSourcePaths()
.Where(path => path.EndsWith("\\Time.cs") == false);
foreach (var sourcePath in sourcePaths)
{
var source = File.ReadAllText(sourcePath);
var tree = CSharpSyntaxTree.ParseText(source);
var memberAccesses = tree.GetRoot().DescendantNodes().OfType <MemberAccessExpressionSyntax>().ToList();
var dateTimeNowInvocations = memberAccesses.Where(x =>
x.Expression.Parent.ToString().Equals("datetime.now", StringComparison.OrdinalIgnoreCase));
dateTimeNowInvocations.ShouldBeEmpty();
}
}
public void source_code_does_not_contain_tabs()
{
var isFailed = false;
var builder = new StringBuilder();
foreach (var sourcePath in ConventionsHelper.GetCSharpSourcePaths())
{
var source = File.ReadAllText(sourcePath);
var syntaxTree = CSharpSyntaxTree.ParseText(source);
var hasTabs =
syntaxTree.GetRoot()
.DescendantTrivia(descendIntoTrivia: true)
.Any(node => node.IsKind(SyntaxKind.WhitespaceTrivia) && node.ToString().IndexOf('\t') >= 0);
if (hasTabs)
{
isFailed = true;
builder.AppendLine($"Found tabs in file: '{sourcePath}'");
}
}
isFailed.ShouldBeFalse(builder.ToString());
}