public void InputtingNonExistentFile_ReturnsNull()
{
string filePath = "WubbaLubba";
FileAssert.FileDoesNotExist(filePath);
Assert.IsNull(Story.Load(filePath));
}
public void Save_DontOverwrite_FileDoesNotExist_SavesFileCorrectly_ReturnsTrue()
{
Story story = new Story();
SpeechNode speechNode = story.CreateNode("Test");
SpeechNode speechNode2 = story.CreateNode("Test2");
speechNode.CreateTransition(speechNode2);
string filePath = Path.Combine(Resources.TempDir, "Test.data");
FileAssert.FileDoesNotExist(filePath);
Assert.IsTrue(story.Save(filePath, false));
FileAssert.FileExists(filePath);
Story loadedStory = Story.Load(filePath);
Assert.IsNotNull(loadedStory);
Assert.AreEqual(2, loadedStory.NodeCount);
Assert.IsNotNull(loadedStory.FindNode("Test"));
Assert.IsNotNull(loadedStory.FindNode("Test2"));
Assert.AreEqual(1, loadedStory.FindNode("Test").TransitionCount);
Assert.AreSame(loadedStory.FindNode("Test"), loadedStory.FindNode("Test").GetTransitionAt(0).Source);
Assert.AreSame(loadedStory.FindNode("Test2"), loadedStory.FindNode("Test").GetTransitionAt(0).Destination);
}