thin-provisioning-tools/tests/thin_metadata_unpack.rs

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Rust
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use anyhow::Result;
use thinp::version::TOOLS_VERSION;
mod common;
use common::*;
use common::test_dir::*;
//------------------------------------------
#[test]
fn accepts_v() -> Result<()> {
let stdout = thin_metadata_unpack!("-V").read()?;
assert!(stdout.contains(TOOLS_VERSION));
Ok(())
}
#[test]
fn accepts_version() -> Result<()> {
let stdout = thin_metadata_unpack!("--version").read()?;
assert!(stdout.contains(TOOLS_VERSION));
Ok(())
}
const USAGE: &str = "thin_metadata_unpack 0.9.0\nUnpack a compressed file of thin metadata.\n\nUSAGE:\n thin_metadata_unpack -i <DEV> -o <FILE>\n\nFLAGS:\n -h, --help Prints help information\n -V, --version Prints version information\n\nOPTIONS:\n -i <DEV> Specify thinp metadata binary device/file\n -o <FILE> Specify packed output file";
#[test]
fn accepts_h() -> Result<()> {
let stdout = thin_metadata_unpack!("-h").read()?;
assert_eq!(stdout, USAGE);
Ok(())
}
#[test]
fn accepts_help() -> Result<()> {
let stdout = thin_metadata_unpack!("--help").read()?;
assert_eq!(stdout, USAGE);
Ok(())
}
#[test]
fn rejects_bad_option() -> Result<()> {
let stderr = run_fail(thin_metadata_unpack!("--hedgehogs-only"))?;
assert!(stderr.contains("Found argument \'--hedgehogs-only\'"));
Ok(())
}
#[test]
fn missing_input_file() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_zeroed_md(&mut td)?;
let stderr = run_fail(thin_metadata_unpack!("-o", &md))?;
assert!(
stderr.contains("error: The following required arguments were not provided:\n -i <DEV>")
);
Ok(())
}
#[test]
fn no_such_input_file() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_zeroed_md(&mut td)?;
let stderr = run_fail(thin_metadata_unpack!("-i", "no-such-file", "-o", &md))?;
assert!(stderr.contains("Couldn't find input file"));
Ok(())
}
#[test]
fn missing_output_file() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_zeroed_md(&mut td)?;
let stderr = run_fail(thin_metadata_unpack!("-i", &md))?;
assert!(stderr
.contains("error: The following required arguments were not provided:\n -o <FILE>"));
Ok(())
}
#[test]
fn garbage_input_file() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_zeroed_md(&mut td)?;
let stderr = run_fail(thin_metadata_unpack!("-i", &md, "-o", "junk"))?;
assert!(stderr.contains("Not a pack file."));
Ok(())
}
#[test]
fn end_to_end() -> Result<()> {
let mut td = TestDir::new()?;
let md_in = mk_valid_md(&mut td)?;
let md_out = mk_zeroed_md(&mut td)?;
thin_metadata_pack!("-i", &md_in, "-o", "meta.pack").run()?;
thin_metadata_unpack!("-i", "meta.pack", "-o", &md_out).run()?;
let dump1 = thin_dump!(&md_in).read()?;
let dump2 = thin_dump!(&md_out).read()?;
assert_eq!(dump1, dump2);
Ok(())
}
//------------------------------------------