public void CreateFile()
{
var pathOfFileToCreate = "file.jpg";
File.Delete(pathOfFileToCreate);
#region CreateFile
AllFiles.CreateFile(pathOfFileToCreate);
#endregion
Assert.True(File.Exists(pathOfFileToCreate));
File.Delete(pathOfFileToCreate);
AllFiles.CreateFile("foo.txt", true);
Assert.True(File.Exists("foo.txt"));
File.Delete("foo.txt");
Assert.True(AllFiles.TryCreateFile(pathOfFileToCreate));
Assert.True(File.Exists(pathOfFileToCreate));
File.Delete(pathOfFileToCreate);
Assert.False(AllFiles.TryCreateFile("foo.txt"));
Assert.False(File.Exists("foo.txt"));
File.Delete("foo.txt");
Assert.True(AllFiles.TryCreateFile("foo.txt", true));
Assert.True(File.Exists("foo.txt"));
File.Delete("foo.txt");
}
public void Unknown_extension()
{
Assert.Throws <Exception>(() => AllFiles.GetPathFor("txt"));
Assert.False(AllFiles.TryGetPathFor("txt", out var result));
Assert.Null(result);
Assert.False(AllFiles.TryGetPathFor(".txt", out result));
Assert.Null(result);
Assert.False(AllFiles.TryCreateFile("foo.txt"));
Assert.Null(result);
Assert.Throws <Exception>(() => AllFiles.GetPathFor(".txt"));
Assert.Throws <Exception>(() => AllFiles.CreateFile("foo.txt"));
}
static bool TryCreate(ResolvedTool tool, string targetFile)
{
var targetExists = File.Exists(targetFile);
if (tool.RequiresTarget && !targetExists)
{
if (!AllFiles.TryCreateFile(targetFile, useEmptyStringForTextFiles: true))
{
return(false);
}
}
return(true);
}
public static Task <LaunchResult> Launch(ResolvedTool tool, string tempFile, string targetFile)
{
GuardFiles(tempFile, targetFile);
Guard.AgainstNull(tool, nameof(tool));
if (Disabled)
{
return(Task.FromResult(LaunchResult.Disabled));
}
var targetExists = File.Exists(targetFile);
if (tool.RequiresTarget && !targetExists)
{
if (!AllFiles.TryCreateFile(targetFile, useEmptyStringForTextFiles: true))
{
return(Task.FromResult(LaunchResult.NoEmptyFileForExtension));
}
}
return(InnerLaunch(tool, tempFile, targetFile));
}
/// <summary>
/// Launch a diff tool for the given paths.
/// </summary>
public static void Launch(string path1, string path2)
{
Guard.AgainstNullOrEmpty(path1, nameof(path1));
Guard.AgainstNullOrEmpty(path2, nameof(path2));
var extension = Extensions.GetExtension(path1);
if (launchedInstances >= maxInstancesToLaunch)
{
return;
}
if (!DiffTools.TryFind(extension, out var diffTool))
{
return;
}
//TODO: throw if both dont exist
if (!File.Exists(path1))
{
if (!AllFiles.TryCreateFile(path1, true))
{
return;
}
}
if (!File.Exists(path2))
{
if (!AllFiles.TryCreateFile(path2, true))
{
return;
}
}
launchedInstances++;
Launch(diffTool, path1, path2);
}
