public Task Should_Return_Error_If_Custom_Validation_Fails()
{
// Given
var console = new PlainConsole();
console.Input.PushText("22");
console.Input.PushText("102");
console.Input.PushText("ABC");
console.Input.PushText("99");
// When
console.Prompt(
new TextPrompt <int>("Guess number:")
.ValidationErrorMessage("Invalid input")
.Validate(age =>
{
if (age < 99)
{
return(ValidationResult.Error("Too low"));
}
else if (age > 99)
{
return(ValidationResult.Error("Too high"));
}
return(ValidationResult.Success());
}));
// Then
return(Verifier.Verify(console.Output));
}
public Task Should_Return_Validation_Error_If_Value_Cannot_Be_Converted()
{
// Given
var console = new PlainConsole();
console.Input.PushText("ninety-nine");
console.Input.PushText("99");
// When
console.Prompt(new TextPrompt <int>("Age?"));
// Then
return(Verifier.Verify(console.Lines));
}
public Task Should_Accept_Choice_In_List()
{
// Given
var console = new PlainConsole();
console.Input.PushText("Orange");
// When
console.Prompt(
new TextPrompt <string>("Favorite fruit?")
.AddChoice("Banana")
.AddChoice("Orange")
.DefaultValue("Banana"));
// Then
return(Verifier.Verify(console.Output));
}
public Task Should_Chose_Default_Value_If_Nothing_Is_Entered()
{
// Given
var console = new PlainConsole();
console.Input.PushKey(ConsoleKey.Enter);
// When
console.Prompt(
new TextPrompt <string>("Favorite fruit?")
.AddChoice("Banana")
.AddChoice("Orange")
.DefaultValue("Banana"));
// Then
return(Verifier.Verify(console.Output));
}
public Task Should_Return_Error_If_An_Invalid_Choice_Is_Made()
{
// Given
var console = new PlainConsole();
console.Input.PushText("Apple");
console.Input.PushText("Banana");
// When
console.Prompt(
new TextPrompt <string>("Favorite fruit?")
.AddChoice("Banana")
.AddChoice("Orange")
.DefaultValue("Banana"));
// Then
return(Verifier.Verify(console.Output));
}