public void WhichReturnsNullWhenNotFound()
{
using (TestHostContext hc = new TestHostContext(this))
{
//Arrange
Tracing trace = hc.GetTrace();
var whichUtil = new WhichUtil();
whichUtil.Initialize(hc);
// Act.
string nosuch = whichUtil.Which("no-such-file-cf7e351f");
trace.Info($"result: {nosuch ?? string.Empty}");
// Assert.
Assert.True(string.IsNullOrEmpty(nosuch), "Path should not be resolved");
}
}
public void UseWhichFindGit()
{
using (TestHostContext hc = new TestHostContext(this))
{
//Arrange
Tracing trace = hc.GetTrace();
var whichTool = new WhichUtil();
whichTool.Initialize(hc);
// Act.
string gitPath = whichTool.Which("git");
trace.Info($"Which(\"git\") returns: {gitPath ?? string.Empty}");
// Assert.
Assert.True(!string.IsNullOrEmpty(gitPath) && File.Exists(gitPath), $"Unable to find Git through: {nameof(WhichUtil.Which)}");
}
}
public void WhichThrowsWhenRequireAndNotFound()
{
using (TestHostContext hc = new TestHostContext(this))
{
//Arrange
Tracing trace = hc.GetTrace();
var whichUtil = new WhichUtil();
whichUtil.Initialize(hc);
// Act.
try
{
whichUtil.Which("no-such-file-cf7e351f", require: true);
throw new Exception("which should have thrown");
}
catch (FileNotFoundException ex)
{
Assert.Equal("no-such-file-cf7e351f", ex.FileName);
}
}
}