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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 magic {
use super::*;
mod roundtrip {
use super::*;
/// Magic roundtrip using stdin
/// Compressing: input = stdin, output = test.txt.gz
/// Extracting: input = test.txt.gz, output = test.txt
///
/// ``` bash
/// cat test.txt | cmprss test.txt.gz
/// cmprss gz --extract test.txt.gz 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.gz");
archive.assert(predicate::path::missing());
// Pipe file to stdin
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-stdout")
.arg("test.txt.gz")
.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("gz")
.arg("--ignore-pipes")
.arg("--extract")
.arg("test.txt.gz");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("test.txt"));
Ok(())
}
/// Magic roundtrip using files
/// Compressing: input = test.txt, output = test.txt.gz
/// Extracting: input = test.txt.gz, output = stdout
///
/// ``` bash
/// cmprss test.txt test.txt.gz
/// cmprss test.txt.gz out.txt
/// ```
#[test]
fn files() -> 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.gz");
archive.assert(predicate::path::missing());
// Compress file to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg(file.path())
.arg("test.txt.gz");
compress.assert().success();
archive.assert(predicate::path::is_file());
// Extract file to given file
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg("test.txt.gz")
.arg("out.txt");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("out.txt"));
Ok(())
}
/// Magic roundtrip using stdout decompression
/// Compressing: input = test.txt, output = test.txt.gz
/// Extracting: input = test.txt.gz, output = stdout
///
/// ``` bash
/// cmprss test.txt test.txt.gz
/// cmprss test.txt.gz > out.txt
/// ```
#[test]
fn stdout_decompression() -> 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.gz");
archive.assert(predicate::path::missing());
let out_file = working_dir.child("out.txt");
// Compress file to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg(file.path())
.arg("test.txt.gz");
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("--ignore-stdin")
.arg("test.txt.gz")
.stdout(Stdio::from(File::create(&out_file)?));
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), out_file.path());
Ok(())
}
/// Magic roundtrip using stdin compression
/// Compressing: input = stdin, output = test.txt.gz
/// Extracting: input = test.txt.gz, output = test.txt
///
/// ``` bash
/// cat test.txt | cmprss test.txt.gz
/// cmprss test.txt.gz out.txt
/// ```
#[test]
fn stdin_compression() -> 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.gz");
archive.assert(predicate::path::missing());
let out_file = working_dir.child("out.txt");
// Compress stdin to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-stdout")
.arg("test.txt.gz")
.stdin(Stdio::from(File::open(file.path())?));
compress.assert().success();
archive.assert(predicate::path::is_file());
// Extract file to given file
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg("test.txt.gz")
.arg(out_file.path());
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), out_file.path());
Ok(())
}
/// Magic roundtrip using default filenames
/// Compressing: input = test.txt, output = test.txt.gz
/// Extracting: input = test.txt.gz, output = <default>
///
/// ``` bash
/// cmprss test.txt test.txt.gz
/// cmprss test.txt.gz
/// ```
#[test]
fn default_filenames() -> 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.gz");
archive.assert(predicate::path::missing());
// Compress file to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg(file.path())
.arg("test.txt.gz");
compress.assert().success();
archive.assert(predicate::path::is_file());
// Extract file to default filename
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg("test.txt.gz");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("test.txt"));
Ok(())
}
/// Magic roundtrip using multiple files with tar
/// Compressing: input = test.txt/test2.txt, output = archive.tar
/// Extracting: input = archive.tar, output = <default>
///
/// ``` bash
/// cmprss test.txt test2.txt archive.tar
/// cmprss archive.tar
/// ```
#[test]
fn multiple_files_tar() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let file2 = create_test_file("test2.txt", "more garbage data for testing")?;
let working_dir = create_working_dir()?;
let archive = working_dir.child("archive.tar");
archive.assert(predicate::path::missing());
// Compress files to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg(file.path())
.arg(file2.path())
.arg("archive.tar");
compress.assert().success();
archive.assert(predicate::path::is_file());
// Extract file to default filename
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg("archive.tar");
extract.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &working_dir.child("test.txt"));
assert_files_equal(file2.path(), &working_dir.child("test2.txt"));
Ok(())
}
/// Magic roundtrip with tar.gz
/// Infer things as much as possible
/// Compressing: input = test.txt + test2.txt, output = test.tar.gz
/// Extracting: input = test.tar.gz, output = test.txt + test2.txt
///
/// ``` bash
/// cmprss test.txt test2.txt archive.tar
/// cmprss archive.tar archive.tar.gz
/// cmprss archive.tar.gz archive.tar
/// cmprss archive.tar
/// ```
#[test]
fn tar_gz() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let file2 = create_test_file("test2.txt", "more garbage data for testing")?;
let working_dir = create_working_dir()?;
let archive = working_dir.child("archive.tar");
archive.assert(predicate::path::missing());
let archive2 = working_dir.child("archive.tar.gz");
archive2.assert(predicate::path::missing());
let extract_dir = create_working_dir()?;
// Compress files to an archive
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg(file.path())
.arg(file2.path())
.arg("archive.tar");
compress.assert().success();
archive.assert(predicate::path::is_file());
// Compress tar to an archive
let mut compress2 = Command::cargo_bin("cmprss")?;
compress2
.current_dir(&working_dir)
.arg("--ignore-pipes")
.arg("archive.tar")
.arg("archive.tar.gz");
compress2.assert().success();
archive2.assert(predicate::path::is_file());
// Extract file to default filename
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&extract_dir)
.arg("--ignore-pipes")
.arg(archive2.path())
.arg("archive.tar");
extract.assert().success();
// Extract file to default filename
let mut extract2 = Command::cargo_bin("cmprss")?;
extract2
.current_dir(&extract_dir)
.arg("--ignore-pipes")
.arg("archive.tar");
extract2.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &extract_dir.child("test.txt"));
assert_files_equal(file2.path(), &extract_dir.child("test2.txt"));
Ok(())
}
/// Magic roundtrip with tar.gz using pipes
/// Infer things as much as possible
/// Compressing: input = test.txt + test2.txt, output = test.tar.gz
/// Extracting: input = test.tar.gz, output = test.txt + test2.txt
///
/// ``` bash
/// cmprss tar test.txt test2.txt | cmprss gzip | cmprss gzip --extract | cmprss tar --extract
/// ```
#[test]
fn tar_gz_pipes() -> Result<(), Box<dyn std::error::Error>> {
let file = create_test_file("test.txt", "garbage data for testing")?;
let file2 = create_test_file("test2.txt", "more garbage data for testing")?;
let working_dir = create_working_dir()?;
let tee1 = working_dir.child("tee1");
let tee2 = working_dir.child("tee2");
let tee3 = working_dir.child("tee3");
let extract_dir = create_working_dir()?;
let mut compress = Command::cargo_bin("cmprss")?;
compress
.current_dir(&working_dir)
.arg("tar")
.arg("--ignore-stdin")
.arg(file.path())
.arg(file2.path())
.stdout(Stdio::from(File::create(tee1.path())?));
compress.assert().success();
tee1.assert(predicate::path::is_file());
let mut compress2 = Command::cargo_bin("cmprss")?;
compress2
.current_dir(&working_dir)
.arg("gzip")
.stdin(Stdio::from(File::open(tee1.path())?))
.stdout(Stdio::from(File::create(tee2.path())?));
compress2.assert().success();
tee2.assert(predicate::path::is_file());
let mut extract = Command::cargo_bin("cmprss")?;
extract
.current_dir(&working_dir)
.arg("gzip")
.arg("--extract")
.stdin(Stdio::from(File::open(tee2.path())?))
.stdout(Stdio::from(File::create(tee3.path())?));
extract.assert().success();
tee3.assert(predicate::path::is_file());
// Extract file to default filename
let mut extract2 = Command::cargo_bin("cmprss")?;
extract2
.current_dir(&extract_dir)
.arg("tar")
.arg("--ignore-stdout")
.arg("--extract")
.stdin(Stdio::from(File::open(tee3.path())?));
extract2.assert().success();
// Assert the files are identical
assert_files_equal(file.path(), &extract_dir.child("test.txt"));
assert_files_equal(file2.path(), &extract_dir.child("test2.txt"));
Ok(())
}
}
}