private IT9Keypad CreateT9Keypad()
{
IT9Button button1 = A.Fake <IT9Button>();
A.CallTo(() => button1.Label).Returns('1');
A.CallTo(() => button1.Symbols).Returns(new[] { 'a', 'b' });
A.CallTo(() => button1.GetPressCount('a')).Returns(1);
A.CallTo(() => button1.GetPressCount('b')).Returns(2);
IT9Button button2 = A.Fake <IT9Button>();
A.CallTo(() => button2.Label).Returns('2');
A.CallTo(() => button2.Symbols).Returns(new[] { 'c', 'd' });
A.CallTo(() => button2.GetPressCount('c')).Returns(1);
A.CallTo(() => button2.GetPressCount('d')).Returns(2);
IT9Keypad keypad = A.Fake <IT9Keypad>();
A.CallTo(() => keypad.GetButton('a')).Returns(button1);
A.CallTo(() => keypad.GetButton('b')).Returns(button1);
A.CallTo(() => keypad.GetButton('c')).Returns(button2);
A.CallTo(() => keypad.GetButton('d')).Returns(button2);
return(keypad);
}
public void Convert_Converts(string text, string expectedT9)
{
// Arrange
IT9Keypad keypad = CreateT9Keypad();
SimpleTextToT9Converter sut = new SimpleTextToT9Converter(keypad);
// Act
string t9 = sut.Convert(text);
// Assert
t9.Should().Be(expectedT9);
}
public void Convert_IfKeypadGetButtonThrows_Throws()
{
// Arrange
Exception exception = new Exception();
IT9Keypad keypad = A.Fake <IT9Keypad>();
A.CallTo(() => keypad.GetButton(A <char> .Ignored)).Throws(() => exception);
SimpleTextToT9Converter sut = new SimpleTextToT9Converter(keypad);
// Act
Action act = () => sut.Convert("*");
// Assert
act.Should().Throw <Exception>().Where(e => ReferenceEquals(e, exception));
}
public SimpleTextToT9Converter(IT9Keypad keypad) => this.keypad = keypad ?? throw new ArgumentNullException(nameof(keypad));
