thin-provisioning-tools/tests/thin_repair.rs

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Rust
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use anyhow::Result;
mod common;
use common::common_args::*;
use common::fixture::*;
use common::input_arg::*;
use common::output_option::*;
use common::process::*;
use common::program::*;
use common::target::*;
use common::test_dir::*;
use common::thin::*;
//------------------------------------------
const USAGE: &str = "Usage: thin_repair [options] {device|file}\n\
Options:\n \
{-h|--help}\n \
{-i|--input} <input metadata (binary format)>\n \
{-o|--output} <output metadata (binary format)>\n \
{--transaction-id} <natural>\n \
{--data-block-size} <natural>\n \
{--nr-data-blocks} <natural>\n \
{-V|--version}";
//-----------------------------------------
struct ThinRepair;
impl<'a> Program<'a> for ThinRepair {
fn name() -> &'a str {
"thin_repair"
}
fn path() -> &'a std::ffi::OsStr {
THIN_REPAIR.as_ref()
}
fn usage() -> &'a str {
USAGE
}
fn arg_type() -> ArgType {
ArgType::IoOptions
}
fn bad_option_hint(option: &str) -> String {
cpp_msg::bad_option_hint(option)
}
}
impl<'a> InputProgram<'a> for ThinRepair {
fn mk_valid_input(td: &mut TestDir) -> Result<std::path::PathBuf> {
mk_valid_md(td)
}
fn file_not_found() -> &'a str {
cpp_msg::FILE_NOT_FOUND
}
fn missing_input_arg() -> &'a str {
cpp_msg::MISSING_INPUT_ARG
}
fn corrupted_input() -> &'a str {
"The following field needs to be provided on the command line due to corruption in the superblock"
}
}
impl<'a> OutputProgram<'a> for ThinRepair {
fn file_not_found() -> &'a str {
cpp_msg::FILE_NOT_FOUND
}
fn missing_output_arg() -> &'a str {
cpp_msg::MISSING_OUTPUT_ARG
}
}
//-----------------------------------------
test_accepts_help!(ThinRepair);
test_accepts_version!(ThinRepair);
test_rejects_bad_option!(ThinRepair);
test_input_file_not_found!(ThinRepair);
test_input_cannot_be_a_directory!(ThinRepair);
test_corrupted_input_data!(ThinRepair);
test_missing_output_option!(ThinRepair);
//-----------------------------------------
// test output to a small file
// TODO: share with thin_restore
#[test]
fn dont_repair_xml() -> Result<()> {
let mut td = TestDir::new()?;
let md = mk_zeroed_md(&mut td)?;
let xml = mk_valid_xml(&mut td)?;
run_fail(THIN_REPAIR, args!["-i", &xml, "-o", &md])?;
Ok(())
}
//-----------------------------------------
// TODO: share with thin_dump
fn override_thing(flag: &str, val: &str, pattern: &str) -> Result<()> {
let mut td = TestDir::new()?;
let md1 = mk_valid_md(&mut td)?;
let md2 = mk_zeroed_md(&mut td)?;
let output = run_ok_raw(THIN_REPAIR, args![flag, val, "-i", &md1, "-o", &md2])?;
assert_eq!(output.stderr.len(), 0);
let output = run_ok(THIN_DUMP, args![&md2])?;
assert!(output.contains(pattern));
Ok(())
}
#[test]
fn override_transaction_id() -> Result<()> {
override_thing("--transaction-id", "2345", "transaction=\"2345\"")
}
#[test]
fn override_data_block_size() -> Result<()> {
override_thing("--data-block-size", "8192", "data_block_size=\"8192\"")
}
#[test]
fn override_nr_data_blocks() -> Result<()> {
override_thing("--nr-data-blocks", "234500", "nr_data_blocks=\"234500\"")
}
// FIXME: that's repair_superblock in thin_dump.rs
#[test]
fn superblock_succeeds() -> Result<()> {
let mut td = TestDir::new()?;
let md1 = mk_valid_md(&mut td)?;
let original = run_ok_raw(
THIN_DUMP,
args![
"--transaction-id=5",
"--data-block-size=128",
"--nr-data-blocks=4096000",
&md1
],
)?;
if !cfg!(feature = "rust_tests") {
assert_eq!(original.stderr.len(), 0);
}
damage_superblock(&md1)?;
let md2 = mk_zeroed_md(&mut td)?;
run_ok(
THIN_REPAIR,
args![
"--transaction-id=5",
"--data-block-size=128",
"--nr-data-blocks=4096000",
"-i",
&md1,
"-o",
&md2
],
)?;
let repaired = run_ok_raw(THIN_DUMP, args![&md2])?;
if !cfg!(feature = "rust_tests") {
assert_eq!(repaired.stderr.len(), 0);
}
assert_eq!(original.stdout, repaired.stdout);
Ok(())
}
//-----------------------------------------
// TODO: share with thin_dump
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fn missing_thing(flag1: &str, flag2: &str, pattern: &str) -> Result<()> {
let mut td = TestDir::new()?;
let md1 = mk_valid_md(&mut td)?;
damage_superblock(&md1)?;
let md2 = mk_zeroed_md(&mut td)?;
let stderr = run_fail(THIN_REPAIR, args![flag1, flag2, "-i", &md1, "-o", &md2])?;
assert!(stderr.contains(pattern));
Ok(())
}
#[test]
fn missing_transaction_id() -> Result<()> {
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missing_thing(
"--data-block-size=128",
"--nr-data-blocks=4096000",
"transaction id",
)
}
#[test]
fn missing_data_block_size() -> Result<()> {
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missing_thing(
"--transaction-id=5",
"--nr-data-blocks=4096000",
"data block size",
)
}
#[test]
fn missing_nr_data_blocks() -> Result<()> {
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missing_thing(
"--transaction-id=5",
"--data-block-size=128",
"nr data blocks",
)
}
//-----------------------------------------