public void ShouldCopyIfDestDoesntExist() {
var fs = new Mock<IFileUtils>();
string src = "src";
string dest = "dest";
fs.Setup(d => d.FileExists(dest)).Returns(false);
var lazy = new LazyFileUtils(fs.Object);
lazy.CopyFile(src, dest);
fs.Verify(d => d.CopyFile(src, dest), Times.Once());
}
public void ShouldCopyIfDestDoesntExist()
{
var fs = new Mock <IFileUtils>();
string src = "src";
string dest = "dest";
fs.Setup(d => d.FileExists(dest)).Returns(false);
var lazy = new LazyFileUtils(fs.Object);
lazy.CopyFile(src, dest);
fs.Verify(d => d.CopyFile(src, dest), Times.Once());
}
public void ShouldNotCopyIfDestExistsAndIsNewerThanSrc() {
var fs = new Mock<IFileUtils>();
string src = "src";
string dest = "dest";
fs.Setup(d => d.FileExists(dest)).Returns(true);
var destModTime = new DateTime(2010, 3, 1);
fs.Setup(d => d.LastWriteTimeForFile(dest)).Returns(destModTime);
fs.Setup(d => d.LastWriteTimeForFile(src)).Returns(destModTime.AddDays(-1));
var lazy = new LazyFileUtils(fs.Object);
lazy.CopyFile(src, dest);
fs.Verify(d => d.CopyFile(src, dest), Times.Never());
}
public void ShouldNotCopyIfDestExistsAndIsNewerThanSrc()
{
var fs = new Mock <IFileUtils>();
string src = "src";
string dest = "dest";
fs.Setup(d => d.FileExists(dest)).Returns(true);
var destModTime = new DateTime(2010, 3, 1);
fs.Setup(d => d.LastWriteTimeForFile(dest)).Returns(destModTime);
fs.Setup(d => d.LastWriteTimeForFile(src)).Returns(destModTime.AddDays(-1));
var lazy = new LazyFileUtils(fs.Object);
lazy.CopyFile(src, dest);
fs.Verify(d => d.CopyFile(src, dest), Times.Never());
}