thin-provisioning-tools/tests/thin_restore.rs

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3.6 KiB
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_restore [options]\n\
Options:\n \
{-h|--help}\n \
{-i|--input} <input xml file>\n \
{-o|--output} <output device or file>\n \
{--transaction-id} <natural>\n \
{--data-block-size} <natural>\n \
{--nr-data-blocks} <natural>\n \
{-q|--quiet}\n \
{-V|--version}";
//------------------------------------------
struct ThinRestore;
impl<'a> Program<'a> for ThinRestore {
fn name() -> &'a str {
"thin_restore"
}
fn path() -> &'a std::ffi::OsStr {
THIN_RESTORE.as_ref()
}
fn usage() -> &'a str {
USAGE
}
fn arg_type() -> ArgType {
ArgType::IoOptions
}
fn bad_option_hint(option: &str) -> String {
msg::bad_option_hint(option)
}
}
impl<'a> InputProgram<'a> for ThinRestore {
fn mk_valid_input(td: &mut TestDir) -> Result<std::path::PathBuf> {
mk_valid_md(td)
}
fn file_not_found() -> &'a str {
msg::FILE_NOT_FOUND
}
fn missing_input_arg() -> &'a str {
msg::MISSING_INPUT_ARG
}
fn corrupted_input() -> &'a str {
"" // we don't intent to verify error messages of XML parsing
}
}
impl<'a> OutputProgram<'a> for ThinRestore {
fn missing_output_arg() -> &'a str {
msg::MISSING_OUTPUT_ARG
}
}
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impl<'a> MetadataWriter<'a> for ThinRestore {
fn file_not_found() -> &'a str {
msg::FILE_NOT_FOUND
}
}
//-----------------------------------------
test_accepts_help!(ThinRestore);
test_accepts_version!(ThinRestore);
test_missing_input_option!(ThinRestore);
test_input_file_not_found!(ThinRestore);
test_corrupted_input_data!(ThinRestore);
test_missing_output_option!(ThinRestore);
test_tiny_output_file!(ThinRestore);
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test_unwritable_output_file!(ThinRestore);
//-----------------------------------------
// TODO: share with cache_restore, era_restore
fn quiet_flag(flag: &str) -> Result<()> {
let mut td = TestDir::new()?;
let xml = mk_valid_xml(&mut td)?;
let md = mk_zeroed_md(&mut td)?;
let output = run_ok_raw(THIN_RESTORE, args!["-i", &xml, "-o", &md, flag])?;
assert_eq!(output.stdout.len(), 0);
assert_eq!(output.stderr.len(), 0);
Ok(())
}
#[test]
fn accepts_q() -> Result<()> {
quiet_flag("-q")
}
#[test]
fn accepts_quiet() -> Result<()> {
quiet_flag("--quiet")
}
//-----------------------------------------
// TODO: share with thin_dump
fn override_something(flag: &str, value: &str, pattern: &str) -> Result<()> {
let mut td = TestDir::new()?;
let xml = mk_valid_xml(&mut td)?;
let md = mk_zeroed_md(&mut td)?;
run_ok(THIN_RESTORE, args!["-i", &xml, "-o", &md, flag, value])?;
let output = run_ok(THIN_DUMP, args![&md])?;
assert!(output.contains(pattern));
Ok(())
}
#[test]
fn override_transaction_id() -> Result<()> {
override_something("--transaction-id", "2345", "transaction=\"2345\"")
}
#[test]
fn override_data_block_size() -> Result<()> {
override_something("--data-block-size", "8192", "data_block_size=\"8192\"")
}
#[test]
fn override_nr_data_blocks() -> Result<()> {
override_something("--nr-data-blocks", "234500", "nr_data_blocks=\"234500\"")
}
//-----------------------------------------