public void DataPicker_GetNumericValue_ShouldThrowException_IfMinimumLimitIsGreaterThanMaximumLimit()
{
// Assert
Assert.Throws <ArgumentException>(() =>
{
// Arrange
var dummyKeyboard = Mock.Of <IPinpadKeyboard>();
var dummyInfos = Mock.Of <IPinpadInfos>();
var dummyDisplay = Mock.Of <IPinpadDisplay>();
IDataPicker picker = new DataPicker(
dummyKeyboard,
dummyInfos,
dummyDisplay);
short invalidMaxLimit = 1;
short invalidMinLimit = (short)(invalidMaxLimit + 1);
// Act
picker.GetNumericValue(
label: "testLabel",
circularBehavior: false,
minimunLimit: invalidMinLimit,
maximumLimit: invalidMaxLimit);
});
}
public void DataPicker_GetNumericValue_ShouldReturnNull_IfCancelIsPressed()
{
// Arrange
var displayStub = new Mock <IPinpadDisplay>();
displayStub.Setup(x => x.ShowMessage("label",
string.Empty,
DisplayPaddingType.Center))
.Returns(true);
var keyboardStub = new Mock <IPinpadKeyboard>();
keyboardStub.Setup(x => x.GetKey())
.Returns(PinpadKeyCode.Cancel);
var dummyInfos = Mock.Of <IPinpadInfos>();
IDataPicker picker = new DataPicker(
keyboardStub.Object,
dummyInfos,
displayStub.Object);
// Act
Nullable <short> readValue = picker.GetNumericValue(
label: "label",
circularBehavior: false,
minimunLimit: 0,
maximumLimit: 1);
// Assert
Assert.IsNull(readValue);
Assert.IsFalse(readValue.HasValue);
}
public void DataPicker_GetNumericValue_ShouldThrowException_IfLabelIsNull()
{
// Assert
Assert.Throws <ArgumentException>(() =>
{
// Arrange
var dummyKeyboard = Mock.Of <IPinpadKeyboard>();
var dummyInfos = Mock.Of <IPinpadInfos>();
var dummyDisplay = Mock.Of <IPinpadDisplay>();
IDataPicker picker = new DataPicker(
dummyKeyboard,
dummyInfos,
dummyDisplay);
string nullLabel = null;
// Act
picker.GetNumericValue(
label: nullLabel,
circularBehavior: false,
minimunLimit: 0,
maximumLimit: 1);
});
}
public void DataPicker_GetNumericValue_ShouldReturnAValue_WhenReturnKeyIsPressed()
{
// Arrange
var displayStub = new Mock <IPinpadDisplay>();
displayStub.Setup(x => x.ShowMessage("label",
string.Empty,
DisplayPaddingType.Center))
.Returns(true);
var keyboardStub = new Mock <IPinpadKeyboard>();
keyboardStub.Setup(x => x.GetKey())
.Returns(PinpadKeyCode.Return);
var dummyInfos = Mock.Of <IPinpadInfos>();
IDataPicker picker = new DataPicker(
keyboardStub.Object,
dummyInfos,
displayStub.Object);
Random itemsProvider = new Random();
short expectedMinLimit = (short)itemsProvider.Next(400);
short expectedMaxLimit = (short)itemsProvider.Next(
expectedMinLimit,
expectedMinLimit + 400);
// Act
Nullable <short> readValue = picker.GetNumericValue(
label: "testLabel",
circularBehavior: false,
minimunLimit: expectedMinLimit,
maximumLimit: expectedMaxLimit);
// Assert
Assert.IsNotNull(readValue);
Assert.IsTrue(readValue.HasValue);
Assert.AreEqual(expectedMinLimit, readValue.Value);
}