private static bool TryExtract(Json.Expressions.ObjectExpression json, out StateVersionTestCase testCase)
{
if (json.Members[TestTypeKey] is not Json.Expressions.ConstantExpression testTypeExpr)
{
testCase = default;
return(false);
}
var testType = Type.GetType(testTypeExpr.Value.ToString());
if (testType == null)
{
testCase = default;
return(false);
}
var testMethodExpr = json.Members[TestMethodKey] as Json.Expressions.ConstantExpression;
var testMethodName = testMethodExpr.Value.ToString();
var testMethod = testType.GetMethod(testMethodName, TestArgs);
if (testMethod == null)
{
testCase = default;
return(false);
}
if (json.Members[SavedAtKey] is not Json.Expressions.ConstantExpression savedAtExpr || !long.TryParse(savedAtExpr.Value.ToString(), out var savedAt))
{
testCase = default;
return(false);
}
testCase = new StateVersionTestCase(testMethod, savedAt);
return(true);
}
public void Add(MemberInfo testMethod, long savedAt, byte[] state)
{
EnsureDirectory();
var fileNameBase = GetFileName(testMethod, savedAt);
var stateFileName = fileNameBase + ".state";
File.WriteAllBytes(GetPath(stateFileName), state);
var testCaseFileName = fileNameBase + ".json";
var testCase = new StateVersionTestCase(testMethod, savedAt);
File.WriteAllText(GetPath(testCaseFileName), testCase.ToString());
}
public IEnumerable <StateVersionTestCase> GetTestCasesByMember(MemberInfo member)
{
var fileNameBase = GetFileNameBase(member);
var regex = new Regex("^" + fileNameBase + @"_\d+\.json$", RegexOptions.Compiled);
foreach (var f in Directory.GetFiles(BaseDirectory).Where(f => regex.IsMatch(Path.GetFileName(f))))
{
if (StateVersionTestCase.TryParse(File.ReadAllText(f), out var testCase))
{
Debug.Assert(testCase.TestMethod == member);
yield return(testCase);
}
}
}
public static bool TryParse(string data, out StateVersionTestCase testCase)
{
Json.Expressions.Expression json;
try
{
json = Json.Expressions.Expression.Parse(data);
}
catch (Json.Parser.ParseException)
{
testCase = default;
return(false);
}
var obj = json as Json.Expressions.ObjectExpression;
if (json != null && obj == null)
{
testCase = default;
return(false);
}
return(TryExtract(obj, out testCase));
}
public byte[] GetState(StateVersionTestCase testCase)
{
var stateFileName = GetFileName(testCase.TestMethod, testCase.SavedAt) + ".state";
return(File.ReadAllBytes(GetPath(stateFileName)));
}
