public void Evaluate(string input, string expected)
{
var parser = new ExpressionEngine(Lookup);
var original = parser.Parse(input);
var dnf = original.DisjunctiveNormalForm();
var expectedDnf = parser.Parse(expected);
Assert.IsTrue(dnf.DeepEquals(expectedDnf), $"{original} is {dnf}, not {expectedDnf}");
}
public override Task <DialogTurnResult> BeginDialogAsync(DialogContext dc, object options = null, CancellationToken cancellationToken = default(CancellationToken))
{
var engine = new ExpressionEngine();
var(arg1, err1) = engine.Parse(Arg1).TryEvaluate(dc.State);
var(arg2, err2) = engine.Parse(Arg2).TryEvaluate(dc.State);
var result = Convert.ToInt32(arg1) * Convert.ToInt32(arg2);
if (this.ResultProperty != null)
{
dc.State.SetValue(this.ResultProperty, result);
}
return(dc.EndDialogAsync(result: result, cancellationToken: cancellationToken));
}
public void TestAccumulatePath()
{
var memory = new SimpleObjectMemory(new
{
f = "foo",
b = "bar",
z = new
{
z = "zar"
},
n = 2
});
var parser = new ExpressionEngine();
// normal case, note, we doesn't append a " yet
var exp = parser.Parse("a[f].b[n].z");
var(path, left, err) = BuiltInFunctions.TryAccumulatePath(exp, memory);
Assert.AreEqual(path, "a['foo'].b[2].z");
// normal case
exp = parser.Parse("a[z.z][z.z].y");
(path, left, err) = BuiltInFunctions.TryAccumulatePath(exp, memory);
Assert.AreEqual(path, "a['zar']['zar'].y");
// normal case
exp = parser.Parse("a.b[z.z]");
(path, left, err) = BuiltInFunctions.TryAccumulatePath(exp, memory);
Assert.AreEqual(path, "a.b['zar']");
// stop evaluate at middle
exp = parser.Parse("json(x).b");
(path, left, err) = BuiltInFunctions.TryAccumulatePath(exp, memory);
Assert.AreEqual(path, "b");
}
public virtual void ValidateReply(Activity activity)
{
if (this.Assertions != null)
{
var engine = new ExpressionEngine();
foreach (var assertion in this.Assertions)
{
var(result, error) = engine.Parse(assertion).TryEvaluate(activity);
if ((bool)result != true)
{
throw new Exception($"{this.Description} {assertion}");
}
}
}
}
private void expressionEditor_TextChanged(Object sender, EventArgs e)
{
try
{
var memory = JsonConvert.DeserializeObject <Dictionary <string, object> >(dataEditor.Text);
var(result, err) = engine.Parse(expressionEditor.Text).TryEvaluate(memory);
this.errorMessage.Text = err;
this.errorMessage.Visibility = err == null ? Visibility.Collapsed : Visibility.Visible;
outputEditor.Text = JsonConvert.SerializeObject(result, new JsonSerializerSettings()
{
Formatting = Formatting.Indented, NullValueHandling = NullValueHandling.Ignore
});
}
catch (Exception err)
{
this.errorMessage.Text = err.Message;
this.errorMessage.Visibility = err == null ? Visibility.Collapsed : Visibility.Visible;
outputEditor.Text = string.Empty;
}
}
