HistogramFileFixture

Description

Fixture that creates a temporary ROOT file with "scale factor" histograms inside.

Collaboration diagram for HistogramFileFixture:

Public Member Functions
	HistogramFileFixture ()
	~HistogramFileFixture ()

Public Attributes
string	folder
string	path

Constructor & Destructor Documentation

HistogramFileFixture()

HistogramFileFixture ( )

inline

    {
        // Unfortunately TFile cannot use file handles directly, so we need to
        // create one on disk
        folder = fs::temp_directory_path() / "test_XXXXXX";
        if (mkdtemp(folder.data()) != folder.data()) {
            throw runtime_error("could not create temp folder");
        }
        path = folder + "/" + FILE_NAME;
 
        auto file = make_unique<TFile>(path.c_str(), "RECREATE");
 
        auto h = make_unique<TH1D>(HIST_PREFIX, "", 2, 1, 3);
        h->SetBinContent(1, BIN1_SF);
        h->SetBinContent(2, BIN2_SF);
        h->Write();
 
        h->SetName(HIST_PREFIX BIN_WISE_NAME);
        h->SetBinContent(1, BIN1_BW);
        h->SetBinContent(2, BIN2_BW);
        h->Write();
 
        h->SetName(HIST_PREFIX GLOBAL_NAME);
        h->SetBinContent(1, BIN1_GB);
        h->SetBinContent(2, BIN2_GB);
        h->Write();
 
        file->Write();
    }

~HistogramFileFixture()

~HistogramFileFixture ( )

inline

    {
        // Delete the temp folder and the file
        fs::remove_all(folder);
    }

Member Data Documentation

folder

string folder

path

string path

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The documentation for this struct was generated from the following file:

• test/testGenericSFApplier.cc