thin-provisioning-tools/tests/thin_delta.rs

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use anyhow::Result;
use thinp::version::TOOLS_VERSION;
mod common;
use common::test_dir::*;
2021-05-04 13:40:20 +05:30
use common::*;
//------------------------------------------
#[test]
fn accepts_v() -> Result<()> {
let stdout = thin_delta!("-V").read()?;
assert_eq!(stdout, TOOLS_VERSION);
Ok(())
}
#[test]
fn accepts_version() -> Result<()> {
let stdout = thin_delta!("--version").read()?;
assert_eq!(stdout, TOOLS_VERSION);
Ok(())
}
const USAGE: &str = "Usage: thin_delta [options] <device or file>\nOptions:\n {--thin1, --snap1, --root1}\n {--thin2, --snap2, --root2}\n {-m, --metadata-snap} [block#]\n {--verbose}\n {-h|--help}\n {-V|--version}";
#[test]
fn accepts_h() -> Result<()> {
let stdout = thin_delta!("-h").read()?;
assert_eq!(stdout, USAGE);
Ok(())
}
#[test]
fn accepts_help() -> Result<()> {
let stdout = thin_delta!("--help").read()?;
assert_eq!(stdout, USAGE);
Ok(())
}
#[test]
fn rejects_bad_option() -> Result<()> {
let stderr = run_fail(thin_delta!("--hedgehogs-only"))?;
assert!(stderr.contains("unrecognized option \'--hedgehogs-only\'"));
Ok(())
}
#[test]
fn snap1_unspecified() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_valid_md(&mut td)?;
let stderr = run_fail(thin_delta!("--snap2", "45", &md))?;
assert!(stderr.contains("--snap1 or --root1 not specified"));
Ok(())
}
#[test]
fn snap2_unspecified() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_valid_md(&mut td)?;
let stderr = run_fail(thin_delta!("--snap1", "45", &md))?;
assert!(stderr.contains("--snap2 or --root2 not specified"));
Ok(())
}
#[test]
fn dev_unspecified() -> Result<()> {
let stderr = run_fail(thin_delta!("--snap1", "45", "--snap2", "46"))?;
assert!(stderr.contains("No input device provided"));
Ok(())
}