public void CanReturnTextBackToPreviousState()
{
var i = new TestReplacable();
string oldText = "test";
i.Text = oldText;
string str = "sth";
var c = new ReplaceTextCommand(i, str);
c.Execute();
Assert.AreEqual(i.Text, str);
c.Unexecute();
Assert.AreEqual(i.Text, oldText);
}
public void Unexecute_ReturnOriginTextValue()
{
// Arrange
var paragrpahDocumentItem = new DocumentItem(new Paragraph.Paragraph(""));
_documentMock.Setup(d => d.GetItem(It.IsAny <int>())).Returns(paragrpahDocumentItem);
ICommand command = new ReplaceTextCommand(1, "Hey", _documentMock.Object);
command.Execute();
// Act
command.Unexecute();
// Assert
Assert.Equal("", paragrpahDocumentItem.Paragraph.Text);
}
public void Unexecute_ReplaceTextCommand_ShouldReturnPrevTextToParagraph()
{
var prevText = "Old text";
var paragraph = new Text()
{
Value = prevText
};
var newText = "New text";
var command = new ReplaceTextCommand(paragraph, newText);
command.Execute();
Assert.AreEqual(newText, paragraph.Value);
command.Unexecute();
Assert.AreEqual(prevText, paragraph.Value);
}