public void Given_source_file_has_syntax_error_when_compiling_should_throw()
{
var compilerOptions = new CompilerOptions
{
ReferencedAssemblies = GetReferencedAssemblies(),
OutputFile = TargetDllFile
};
// Replace contents of first file with invalid source code.
_fakeSourceFiles.First().Value.Contents = Encoding.UTF8.GetBytes("Invalid C# code");
_fileSystem.GetFile(TargetDllFile).Should().BeNull("before compiling the target DLL assembly should not exist");
// Act
Action act = () => _sut.CompileCode(_fakeSourceFiles.Keys, compilerOptions);
// Assert
act.Should().Throw <CompileException>();
MockFileData targetFileData = _fileSystem.GetFile(TargetDllFile);
if (targetFileData != null)
{
targetFileData.Should().NotBeNull("after compiling the target DLL assembly file is created");
targetFileData.Contents.Should().BeEmpty("the contents should however be empty");
}
}
public void Given_valid_source_files_and_options_when_compiling_should_build_assembly(bool loadAssemblyImmediately)
{
var compilerOptions = new CompilerOptions
{
ReferencedAssemblies = GetReferencedAssemblies(),
OutputFile = TargetDllFile,
IgnoreCompilerErrors = new [] { "CS0042" }
};
// Act
// ReSharper disable once RedundantArgumentDefaultValue
Assembly result = _sut.CompileCode(_fakeSourceFiles.Keys, compilerOptions, loadAssemblyImmediately);
// Assert
MockFileData targetFileData = _fileSystem.GetFile(TargetDllFile);
targetFileData.Should().NotBeNull("an assembly DLL should be generated");
targetFileData.Contents.Should().NotBeEmpty("the assembly DLL contains IL");
string pdbFile = _fileSystem.Path.Combine(_fileSystem.Path.GetDirectoryName(TargetDllFile), _fileSystem.Path.GetFileNameWithoutExtension(TargetDllFile) + ".pdb");
MockFileData pdbFileData = _fileSystem.GetFile(pdbFile);
pdbFileData.Should().NotBeNull("a PDB should be generated");
pdbFileData.Contents.Should().NotBeEmpty();
if (loadAssemblyImmediately)
{
result.Should().NotBeNull("'loadAssembly' was set to true");
}
else
{
result.Should().BeNull("'loadAssembly' was set to false");
Func <Assembly> tryAssembly = () => Assembly.Load(targetFileData.Contents);
result = tryAssembly.Should().NotThrow("the assembly should successfully be loaded").Which;
}
result.GetName().Name.Should().Be("output");
result.ExportedTypes.Should().Contain(t => _typesToCompile.Contains(t.Name));
}
