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// This file is part of the uutils coreutils package.
//
// For the full copyright and license information, please view the LICENSE
// file that was distributed with this source code.
// spell-checker:ignore incorrectnumber
use crate::common::util::TestScenario;
#[test]
fn test_invalid_arg() {
new_ucmd!().arg("--definitely-invalid").fails_with_code(1);
}
#[test]
fn test_nproc() {
let nproc: u8 = new_ucmd!().succeeds().stdout_str().trim().parse().unwrap();
assert!(nproc > 0);
}
#[test]
fn test_nproc_all_omp() {
let result = new_ucmd!().arg("--all").succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert!(nproc > 0);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "60")
.succeeds();
let nproc_omp: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc_omp, 60);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "1") // Has no effect
.arg("--all")
.succeeds();
let nproc_omp: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, nproc_omp);
// If the parsing fails, returns the number of CPU
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "incorrectnumber") // returns the number CPU
.succeeds();
let nproc_omp: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, nproc_omp);
}
#[test]
fn test_nproc_ignore() {
let result = new_ucmd!().succeeds();
let nproc_total: u8 = result.stdout_str().trim().parse().unwrap();
if nproc_total > 1 {
// Ignore all CPU but one
let result = TestScenario::new(util_name!())
.ucmd()
.arg("--ignore")
.arg((nproc_total - 1).to_string())
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 1);
// Ignore all CPU but one with a string
let result = TestScenario::new(util_name!())
.ucmd()
.arg("--ignore= 1")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc_total - 1, nproc);
}
}
#[test]
fn test_nproc_ignore_all_omp() {
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "42")
.arg("--ignore=40")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 2);
}
#[test]
fn test_nproc_omp_limit() {
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "42")
.env("OMP_THREAD_LIMIT", "0")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 42);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "42")
.env("OMP_THREAD_LIMIT", "2")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 2);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "42")
.env("OMP_THREAD_LIMIT", "2bad")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 42);
let result = new_ucmd!().arg("--all").succeeds();
let nproc_system: u8 = result.stdout_str().trim().parse().unwrap();
assert!(nproc_system > 0);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_THREAD_LIMIT", "1")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, 1);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "0")
.env("OMP_THREAD_LIMIT", "")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, nproc_system);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "")
.env("OMP_THREAD_LIMIT", "")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(nproc, nproc_system);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "2,2,1")
.env("OMP_THREAD_LIMIT", "")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(2, nproc);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "2,ignored")
.env("OMP_THREAD_LIMIT", "")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(2, nproc);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "2,2,1")
.env("OMP_THREAD_LIMIT", "0")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(2, nproc);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "2,2,1")
.env("OMP_THREAD_LIMIT", "1bad")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(2, nproc);
let result = TestScenario::new(util_name!())
.ucmd()
.env("OMP_NUM_THREADS", "29,2,1")
.env("OMP_THREAD_LIMIT", "1bad")
.succeeds();
let nproc: u8 = result.stdout_str().trim().parse().unwrap();
assert_eq!(29, nproc);
}
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