public void ExpressionPropertyTests_StringExpression()
{
var data = new
{
test = "joe"
};
var str = new StringExpression("test");
Assert.AreEqual("=`test`", str.ExpressionText);
Assert.IsNull(str.Value);
Assert.AreEqual(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
var(result, error) = str.TryGetValue(data);
Assert.AreEqual("test", result);
Assert.IsNull(error);
str = new StringExpression("=test");
Assert.AreEqual("=test", str.ExpressionText);
Assert.IsNull(str.Value);
Assert.AreEqual(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
(result, error) = str.TryGetValue(data);
Assert.AreEqual("joe", result);
Assert.IsNull(error);
str = new StringExpression("Hello ${test}");
Assert.AreEqual("=`Hello ${test}`", str.ExpressionText);
Assert.IsNull(str.Value);
Assert.AreEqual(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
(result, error) = str.TryGetValue(data);
Assert.AreEqual("Hello joe", result);
Assert.IsNull(error);
}
public void ExpressionPropertyTests_StringExpression()
{
var data = new
{
test = "joe"
};
var str = new StringExpression("test");
Assert.Equal("=`test`", str.ExpressionText);
Assert.Null(str.Value);
Assert.Equal(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
var(result, error) = str.TryGetValue(data);
Assert.Equal("test", result);
Assert.Null(error);
str = new StringExpression("=test");
Assert.Equal("=test", str.ExpressionText);
Assert.Null(str.Value);
Assert.Equal(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
(result, error) = str.TryGetValue(data);
Assert.Equal("joe", result);
Assert.Null(error);
str = new StringExpression("Hello ${test}");
Assert.Equal("=`Hello ${test}`", str.ExpressionText);
Assert.Null(str.Value);
Assert.Equal(str.ToString(), JsonConvert.DeserializeObject <StringExpression>(JsonConvert.SerializeObject(str, settings: settings), settings: settings).ToString());
(result, error) = str.TryGetValue(data);
Assert.Equal("Hello joe", result);
Assert.Null(error);
// slashes are the chars
str = new StringExpression("c:\\test\\test\\test");
(result, error) = str.TryGetValue(data);
Assert.Equal("c:\\test\\test\\test", result);
Assert.Null(error);
// tabs are the chars
str = new StringExpression("c:\test\test\test");
(result, error) = str.TryGetValue(data);
Assert.Equal("c:\test\test\test", result);
Assert.Null(error);
// test backtick in stringExpression
str = new StringExpression("test `name");
Assert.Equal("test `name", str.TryGetValue(data).Value);
str = new StringExpression("test //`name");
Assert.Equal("test //`name", str.TryGetValue(data).Value);
}
internal static string GetValueOrNull(this StringExpression expression, DialogStateManager state)
{
if (expression != null)
{
var(value, valueError) = expression.TryGetValue(state);
if (valueError != null)
{
throw new InvalidOperationException($"Expression evaluation resulted in an error. Expression: {expression.ExpressionText}. Error: {valueError}");
}
return(value as string);
}
return(null);
}
private string GetValueOrNull(DialogContext dc, StringExpression stringExpression)
{
if (stringExpression != null)
{
var(value, valueError) = stringExpression.TryGetValue(dc.State);
if (valueError != null)
{
throw new Exception($"Expression evaluation resulted in an error. Expression: {stringExpression.ExpressionText}. Error: {valueError}");
}
return(value as string);
}
return(null);
}
