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use assert_cmd::prelude::*;
use assert_fs::prelude::*;
use predicates::prelude::*;
use std::{
fs::File,
process::{Command, Stdio},
};
mod common;
use common::*;
mod bzip2 {
use super::*;
mod roundtrip {
use super::*;
/// Bzip2 roundtrip using files
/// Compressing: input = test.txt, output = test.txt.bz2
/// Extracting: input = test.txt.bz2, output = test.txt
///
/// ``` bash
/// cmprss bzip2 test.txt test.txt.bz2
/// cmprss bzip2 --extract --ignore-pipes test.txt.bz2
/// ```
#[test]
fn explicit() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let working_dir = create_working_dir()?;
let archive = working_dir.child("test.txt.bz2");
archive.assert(predicate::path::missing());
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("bzip2")
.arg(file.path())
.arg(archive.path());
compress.assert().success();
archive.assert(predicate::path::is_file());
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("bzip2")
.arg("--ignore-pipes")
.arg("--extract")
.arg(archive.path());
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("test.txt"));
Ok(())
}
/// Bzip2 roundtrip using stdin
/// Compressing: input = stdin, output = test.txt.bz2
/// Extracting: input = stdin(test.txt.bz2), output = test.txt
///
/// ``` bash
/// cat test.txt | cmprss bzip2 test.txt.bz2
/// cat test.txt.bz2 | cmprss bzip2 --extract out.txt
/// ```
#[test]
fn stdin() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let working_dir = create_working_dir()?;
let archive = working_dir.child("test.txt.bz2");
archive.assert(predicate::path::missing());
// Pipe file to stdin
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("bzip2")
.arg("test.txt.bz2")
.stdin(Stdio::from(File::open(file.path())?));
compress.assert().success();
archive.assert(predicate::path::is_file());
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("bzip2")
.stdin(Stdio::from(File::open(archive.path())?))
.arg("--extract")
.arg("out.txt");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("out.txt"));
Ok(())
}
/// Bzip2 roundtrip using stdout
/// Compressing: input = test.txt, output = stdout
/// Extracting: input = test.txt.bz2, output = stdout
///
/// ``` bash
/// cmprss bzip2 test.txt > test.txt.bz2
/// cmprss bzip2 --extract test.txt.bz2 > out.txt
/// ```
#[test]
fn stdout() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let working_dir = create_working_dir()?;
let archive = working_dir.child("test.txt.bz2");
archive.assert(predicate::path::missing());
// Compress file to stdout
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("bzip2")
.arg(file.path())
.stdout(Stdio::from(File::create(archive.path())?));
compress.assert().success();
archive.assert(predicate::path::is_file());
// Extract file to stdout
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("bzip2")
.arg("--ignore-stdin")
.arg("--extract")
.arg(archive.path())
.arg("out.txt");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("out.txt"));
Ok(())
}
}
}