Function test_boxplot_2

tests/test_boxplot.rs:56–94

()

#[test]
fn test_boxplot_2() -> Result<(), StrError> {
    let data = vec![
        vec![1, 2, 3, 4, 5],              // A
        vec![2, 3, 4, 5, 6, 7, 8, 9, 10], // B
        vec![3, 4, 5, 6],                 // C
        vec![4, 5, 6, 7, 8, 9, 10],       // D
        vec![5, 6, 7],                    // E
    ];

    let positions = [2.0, 2.5, 3.0, 3.5, 4.0];
    let labels = ["A", "B", "C", "D", "E"];

    // boxplot object and options
    let mut boxes = Boxplot::new();
    boxes
        .set_symbol("b.")
        .set_horizontal(true)
        .set_positions(&positions)
        .set_width(0.45)
        .draw(&data);

    let mut plot = Plot::new();
    plot.add(&boxes)
        .set_inv_y()
        .set_title("boxplot integration test")
        .set_ticks_y_labels(&positions, &labels);

    // save figure
    let path = Path::new(OUT_DIR).join("integ_boxplot_2.svg");
    plot.save(&path)?;

    // check number of lines
    let file = File::open(path).map_err(|_| "cannot open file")?;
    let buffered = BufReader::new(file);
    let lines_iter = buffered.lines();
    let c = lines_iter.count();
    assert!(c > 950 && c < 1000);
    Ok(())
}

#[test]
fn test_boxplot_3() -> Result<(), StrError> {