Function test_help_prefix_search

std/src/help.rs:927–988

()

    #[test]
    fn test_help_prefix_search() {
        fn exp_output(name: &str, is_function: bool) -> Vec<CapturedOut> {
            let spec = if is_function {
                format!("    {}(sample$)", name)
            } else {
                format!("    {} sample$", name)
            };
            vec![
                CapturedOut::Print("".to_owned()),
                CapturedOut::SetColor(Some(TITLE_COLOR), None),
                CapturedOut::Print(spec),
                CapturedOut::SetColor(None, None),
                CapturedOut::Print("".to_owned()),
                CapturedOut::Print("    This is the blurb.".to_owned()),
                CapturedOut::Print("".to_owned()),
                CapturedOut::Print("    First paragraph of the extended description.".to_owned()),
                CapturedOut::Print("".to_owned()),
                CapturedOut::Print("    Second paragraph of the extended description.".to_owned()),
                CapturedOut::Print("".to_owned()),
            ]
        }

        for cmd in &[r#"help "aa""#, r#"help "aab""#, r#"help "aabc""#] {
            tester_with(vec![
                EmptyFunction::new_with_name("AABC"),
                EmptyFunction::new_with_name("ABC"),
                EmptyFunction::new_with_name("BC"),
            ])
            .run(*cmd)
            .expect_output(exp_output("AABC$", true))
            .check();
        }

        for cmd in &[r#"help "b""#, r#"help "bc""#] {
            tester_with(vec![
                EmptyFunction::new_with_name("AABC"),
                EmptyFunction::new_with_name("ABC"),
                EmptyFunction::new_with_name("BC"),
            ])
            .run(*cmd)
            .expect_output(exp_output("BC$", true))
            .check();
        }

        tester_with(vec![
            DoNothingCommand::new_with_name("AAAB"),
            DoNothingCommand::new_with_name("AAAA"),
            DoNothingCommand::new_with_name("AAAAA"),
        ])
        .run(r#"help "aaaa""#)
        .expect_output(exp_output("AAAA", false))
        .check();

        tester_with(vec![
            DoNothingCommand::new_with_name("ZAB"),
            EmptyFunction::new_with_name("ZABC"),
            EmptyFunction::new_with_name("ZAABC"),
        ])