public static byte[] performCodegen(CodegenManager codegen, string source, IList <UnitTest> tests)
{
//Declare the UnitTestResults class so that it can then be serialised
StringBuilder headerCode = new StringBuilder();
headerCode.Append(@"
class TestCaseResult {
public string output; public string type; public bool exception;
public TestCaseResult(string output, string type, bool exception) { this.output = output; this.type = type; this.exception = exception; }
}
class UnitTestResults {
public System.Collections.Generic.List<TestCaseResult> result = new System.Collections.Generic.List<TestCaseResult>();
}
" );
headerCode.Append(source);
//Generate the unit test boilerplate to populate the body of the main() method
StringBuilder bodyCode = new StringBuilder();
bodyCode.Append(@"
var origStdout = System.Console.Out;
var origStderr = System.Console.Error;
System.Console.SetOut(System.IO.TextWriter.Null);
System.Console.SetError(System.IO.TextWriter.Null);
var results = new System.Collections.Generic.List<UnitTestResults>();
UnitTestResults currTest = null;
" );
//Generate the code for each of the unit tests
foreach (UnitTest test in tests)
{
bodyCode.Append("currTest = new UnitTestResults();\n");
bodyCode.Append(test.Setup);
bodyCode.Append("\n");
foreach (TestCase testCase in test.Cases)
{
bodyCode.Append(testCase.Setup);
bodyCode.Append("\n");
bodyCode.Append("try { var lastResult = " + test.Invocation + "(" + String.Join(",", testCase.Inputs) + ");\n");
bodyCode.Append("currTest.result.Add(new TestCaseResult(lastResult.ToString(), lastResult.GetType().Name, false)); }\n");
bodyCode.Append("catch (System.Exception e) { currTest.result.Add(new TestCaseResult(e.Message, e.GetType().Name, true)); }\n");
bodyCode.Append(testCase.Teardown);
bodyCode.Append("\n");
}
bodyCode.Append("results.Add(currTest);\n");
bodyCode.Append(test.Teardown);
bodyCode.Append("\n");
}
//Complete the boilerplate code
bodyCode.Append(@"
System.Console.SetOut(origStdout);
System.Console.SetError(origStderr);
System.Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(results));
" );
//Perform codegen
return(codegen.performCodegen(headerCode.ToString(), bodyCode.ToString()));
}
public static byte[] performCodegen(CodegenManager codegen, string source, string invocation, string stdin)
{
//Generate the boilerplate code to populate the body of the main() method
StringBuilder bodyCode = new StringBuilder();
bodyCode.Append("var stdinData = @\"");
bodyCode.Append(stdin.Replace("\"", "\"\""));
bodyCode.Append("\";");
bodyCode.Append(@"
System.Console.SetIn(new System.IO.StreamReader(new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes(stdinData))));
try
{
" + invocation + @"
}
catch (System.Exception e) {
System.Console.Error.WriteLine(""Error: "" + e.ToString());
}
" );
//Perform codegen
return(codegen.performCodegen(source, bodyCode.ToString()));
}