public void FindChefInstallationDirectory_ShouldReturnNullIfNotFound()
{
const string path = @"C:\something";
var fileSystem = new FileSystem(ChefProcessTest.CreateEnvironmentWithPath(path),
new FakeFileSystemCommands());
var actual = fileSystem.FindInstallationDirectoryInPathContaining("chef-client.bat", @"C:\something");
actual.Should().BeNull("because the file doesn't exist anywhere on the path");
}
public void FindInstallationDirectoryInPathContaining_ShouldLookAtDefaultEvenIfNotInPath()
{
string chefPath = $@"{ChefProcessTest.ChefInstallPath}\bin";
var chefClientFileExclusively = @"chef-client.bat";
var chefClientFile = $@"{chefPath}\{chefClientFileExclusively}";
var fileSystem = new FileSystem(ChefProcessTest.CreateEnvironmentWithPath(string.Empty),
FakeFileSystemCommands.CreateWithExistingFiles(chefClientFile));
fileSystem.FindInstallationDirectoryInPathContaining(chefClientFileExclusively, chefPath).Should()
.Be(chefPath, "because even if it's not in the path, the default chef path should be used");
}
public void FindChefInstallationDirectory_ShouldFindChefFileThatExistsInPathEnvironmentVariable()
{
string chefPath = $@"{ChefProcessTest.ChefInstallPath}\bin";
var path = $@"C:\something;C:\else;{chefPath}";
var chefClientFileExclusively = @"chef-client.bat";
var chefClientFile = $@"{chefPath}\{chefClientFileExclusively}";
var fileSystem = new FileSystem(ChefProcessTest.CreateEnvironmentWithPath(path),
FakeFileSystemCommands.CreateWithExistingFiles(chefClientFile));
fileSystem.FindInstallationDirectoryInPathContaining(chefClientFileExclusively, @"C:\default").Should()
.Be(chefPath, "because it is the parent directory of the bin path in which the batch file exists");
}
