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comm: return UResult from uumain() function

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This commit is contained in:
Jeffrey Finkelstein 2021-12-24 13:40:18 -05:00
parent eb87ddbaf7
commit 2aebfc9f8d
2 changed files with 17 additions and 6 deletions
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15
src/uu/comm/src/comm.rs
View file

@ -11,6 +11,8 @@ use std::cmp::Ordering;
use std::fs::File;
use std::io::{self, stdin, BufRead, BufReader, Stdin};
use std::path::Path;
use uucore::error::FromIo;
use uucore::error::UResult;
use uucore::InvalidEncodingHandling;
use clap::{crate_version, App, Arg, ArgMatches};
@ -128,20 +130,21 @@ fn open_file(name: &str) -> io::Result<LineReader> {
}
}
pub fn uumain(args: impl uucore::Args) -> i32 {
#[uucore_procs::gen_uumain]
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let usage = usage();
let args = args
.collect_str(InvalidEncodingHandling::ConvertLossy)
.accept_any();
let matches = uu_app().usage(&usage[..]).get_matches_from(args);
let mut f1 = open_file(matches.value_of(options::FILE_1).unwrap()).unwrap();
let mut f2 = open_file(matches.value_of(options::FILE_2).unwrap()).unwrap();
let filename1 = matches.value_of(options::FILE_1).unwrap();
let filename2 = matches.value_of(options::FILE_2).unwrap();
let mut f1 = open_file(filename1).map_err_context(|| filename1.to_string())?;
let mut f2 = open_file(filename2).map_err_context(|| filename2.to_string())?;
comm(&mut f1, &mut f2, &matches);
0
Ok(())
}
pub fn uu_app() -> App<'static, 'static> {

8
tests/by-util/test_comm.rs
View file

@ -170,3 +170,11 @@ fn no_arguments() {
fn one_argument() {
new_ucmd!().arg("a").fails().no_stdout().no_stderr();
}
#[test]
fn test_no_such_file() {
new_ucmd!()
.args(&["bogus_file_1", "bogus_file_2"])
.fails()
.stderr_only("comm: bogus_file_1: No such file or directory");
}