public void Generate_ShouldEmitUsingOnlyOnce_IfIsDefault_AndAlreadyInSourceDocument(
string usingToEmit,
[Substitute] SyntaxTree syntaxTree
)
{
var defaultUsings = new[] { usingToEmit };
var usings = new[] { UsingDirective(ParseName(usingToEmit)) };
var generator = new UsingsGenerator(defaultUsings);
var root = CompilationUnit().WithUsings(List(usings));
var context = new GenerationContext {
SyntaxTree = syntaxTree
};
syntaxTree.GetRoot().Returns(root);
var result = generator.Generate(context);
result.Should().ContainSingle(directive => directive.Name.ToFullString() == usingToEmit);
}
public void Generate_ShouldEmitUsingOnlyOnce_IfIsDefault_AndAddedAtRuntime(
string usingToEmit,
[Substitute] SyntaxTree syntaxTree
)
{
var defaultUsings = new[] { usingToEmit };
var generator = new UsingsGenerator(defaultUsings);
var root = CompilationUnit().WithUsings(List <UsingDirectiveSyntax>());
var context = new GenerationContext {
SyntaxTree = syntaxTree
};
syntaxTree.GetRoot().Returns(root);
context.Usings.Add(usingToEmit);
var result = generator.Generate(context);
result.Should().ContainSingle(directive => directive.Name.ToFullString() == usingToEmit);
}