public string GetQuery(QueryParameter[] parameters, bool asEscapedDataString)
{
if (parameters.Length < 2)
throw new ArgumentException("more than one parameter required when passing an array of parameters");
var parameterString = string.Join(" and ", parameters.Select(p => p.ParameterString));
return BuildQuery(parameterString, asEscapedDataString);
}
public string GetQuery(QueryParameter parameter, bool asEscapedDataString)
{
//var sb = new StringBuilder();
//sb.Append(@"select%20*%20from%20");
//sb.Append(table);
//sb.Append("%20");
//sb.Append(parameter.Name);
//sb.Append("=");
//sb.Append(parameter.Value);
if (parameter == null)
parameter = QueryParameter.Empty;
return BuildQuery(parameter.ParameterString, asEscapedDataString);
}
public void QueryOneParameterTest()
{
var parameter = new QueryParameter("symbol", "yhoo");
QueryBuilder builder = new QueryBuilder(@"yahoo.finance.quotes");
string query = builder.GetQuery(parameter, false);
var expected = @"select * from yahoo.finance.quotes where symbol='yhoo'";
Assert.AreEqual(expected, query);
string queryEscaped = builder.GetQuery(parameter, true);
expected = Uri.EscapeDataString(expected);
Assert.AreEqual(expected, queryEscaped);
}
public void QueryTwoParameterTest()
{
var parameter1 = new QueryParameter("symbol", "yhoo");
var parameter2 = new QueryParameter("expiration", "2010-06");
QueryBuilder builder = new QueryBuilder(@"yahoo.finance.quotes");
string query = builder.GetQuery(new[] { parameter1, parameter2 }, false);
var expected = @"select * from yahoo.finance.quotes where symbol='yhoo' and expiration='2010-06'";
Assert.AreEqual(expected, query);
string queryEscaped = builder.GetQuery(new[] { parameter1, parameter2 }, true);
expected = Uri.EscapeDataString(expected);
Assert.AreEqual(expected, queryEscaped);
}
public string GetUrl(QueryParameter[] parameters, ReturnType returnType = ReturnType.Json)
{
string ret = returnType == ReturnType.Json ? _json : "";
var url = _baseAddress + GetQuery(parameters, true) + ret + _tableDescription + _callback;
return url;
}
public void UrlTest()
{
var parameter = new QueryParameter("symbol", "yhoo");
string url = new QueryBuilder(@"yahoo.finance.quotes").GetUrl(parameter);
Assert.AreEqual(@"http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.quotes%20where%20symbol%3D'yhoo' &format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=", url);
}
