Feat(testing and infra): skeleton for catr library
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Cargo.lock
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486
Cargo.lock
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|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
|
||||
|
||||
@ -1,8 +1,16 @@
|
||||
[package]
|
||||
name = "catr"
|
||||
authors = ["Minh Tran <minh@minhtrannhat.com>"]
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
description = "Rust rewrite of cat"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4", features = ["cargo", "help"] }
|
||||
|
||||
[dev-dependencies]
|
||||
assert_cmd = "2.0.12"
|
||||
predicates = "3.0.3"
|
||||
rand = "0.8.5"
|
||||
|
||||
58
src/lib.rs
Normal file
58
src/lib.rs
Normal file
@ -0,0 +1,58 @@
|
||||
use clap::builder::{Arg, Command};
|
||||
use clap::{crate_authors, crate_description, crate_name, crate_version, ArgAction, ArgMatches};
|
||||
use std::error::Error;
|
||||
|
||||
type MyResult<T> = Result<T, Box<dyn Error>>;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Config {
|
||||
files: Vec<&str>,
|
||||
number_lines: bool,
|
||||
number_nonblank_lines: bool,
|
||||
}
|
||||
|
||||
pub fn get_args() -> MyResult<Config> {
|
||||
let matches: ArgMatches = Command::new(crate_name!())
|
||||
.version(crate_version!())
|
||||
.author(crate_authors!("\n"))
|
||||
.about(crate_description!())
|
||||
.help_template(
|
||||
"\
|
||||
{before-help}{name} {version}
|
||||
{author-with-newline}{about-with-newline}
|
||||
{usage-heading} {usage}
|
||||
{all-args} {after-help}
|
||||
",
|
||||
)
|
||||
.arg(
|
||||
Arg::new("file")
|
||||
.value_name("FILE")
|
||||
.help("Input file(s)")
|
||||
.num_args(1..),
|
||||
)
|
||||
.arg(
|
||||
Arg::new("number_lines")
|
||||
.short('n')
|
||||
.help("Number the lines (excluding the non-blank lines).")
|
||||
.num_args(0)
|
||||
.action(ArgAction::SetTrue),
|
||||
)
|
||||
.arg(
|
||||
Arg::new("number_nonblank_lines")
|
||||
.short('b')
|
||||
.help("Number the lines (including the non-blank lines).")
|
||||
.num_args(0)
|
||||
.action(ArgAction::SetTrue),
|
||||
)
|
||||
.get_matches();
|
||||
|
||||
Ok(Config {
|
||||
files: matches
|
||||
.get_many::<String>("file")
|
||||
.expect("Must be a valid file path")
|
||||
.map(|s| s.as_str())
|
||||
.collect(),
|
||||
number_lines: matches.get_flag("number_lines"),
|
||||
number_nonblank_lines: matches.get_flag("number_nonblank_lines"),
|
||||
})
|
||||
}
|
||||
@ -1,3 +1,3 @@
|
||||
fn main() {
|
||||
println!("Hello, world!");
|
||||
println!("Hello world");
|
||||
}
|
||||
|
||||
200
tests/cli.rs
Normal file
200
tests/cli.rs
Normal file
@ -0,0 +1,200 @@
|
||||
use assert_cmd::Command;
|
||||
use predicates::prelude::*;
|
||||
use rand::{distributions::Alphanumeric, Rng};
|
||||
use std::error::Error;
|
||||
use std::fs;
|
||||
|
||||
type TestResult = Result<(), Box<dyn Error>>;
|
||||
|
||||
const PRG: &str = "catr";
|
||||
const EMPTY: &str = "tests/inputs/empty.txt";
|
||||
const FOX: &str = "tests/inputs/fox.txt";
|
||||
const SPIDERS: &str = "tests/inputs/spiders.txt";
|
||||
const BUSTLE: &str = "tests/inputs/the-bustle.txt";
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn usage() -> TestResult {
|
||||
for flag in &["-h", "--help"] {
|
||||
Command::cargo_bin(PRG)?
|
||||
.arg(flag)
|
||||
.assert()
|
||||
.stdout(predicate::str::contains("USAGE"));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
fn gen_bad_file() -> String {
|
||||
loop {
|
||||
let filename: String = rand::thread_rng()
|
||||
.sample_iter(&Alphanumeric)
|
||||
.take(7)
|
||||
.map(char::from)
|
||||
.collect();
|
||||
|
||||
if fs::metadata(&filename).is_err() {
|
||||
return filename;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn skips_bad_file() -> TestResult {
|
||||
let bad = gen_bad_file();
|
||||
let expected = format!("{}: .* [(]os error 2[)]", bad);
|
||||
Command::cargo_bin(PRG)?
|
||||
.arg(&bad)
|
||||
.assert()
|
||||
.success()
|
||||
.stderr(predicate::str::is_match(expected)?);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
fn run(args: &[&str], expected_file: &str) -> TestResult {
|
||||
let expected = fs::read_to_string(expected_file)?;
|
||||
Command::cargo_bin(PRG)?
|
||||
.args(args)
|
||||
.assert()
|
||||
.success()
|
||||
.stdout(expected);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
fn run_stdin(
|
||||
input_file: &str,
|
||||
args: &[&str],
|
||||
expected_file: &str,
|
||||
) -> TestResult {
|
||||
let input = fs::read_to_string(input_file)?;
|
||||
let expected = fs::read_to_string(expected_file)?;
|
||||
Command::cargo_bin(PRG)?
|
||||
.args(args)
|
||||
.write_stdin(input)
|
||||
.assert()
|
||||
.success()
|
||||
.stdout(expected);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle_stdin() -> TestResult {
|
||||
run_stdin(BUSTLE, &["-"], "tests/expected/the-bustle.txt.stdin.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle_stdin_n() -> TestResult {
|
||||
run_stdin(
|
||||
BUSTLE,
|
||||
&["-n", "-"],
|
||||
"tests/expected/the-bustle.txt.n.stdin.out",
|
||||
)
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle_stdin_b() -> TestResult {
|
||||
run_stdin(
|
||||
BUSTLE,
|
||||
&["-b", "-"],
|
||||
"tests/expected/the-bustle.txt.b.stdin.out",
|
||||
)
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn empty() -> TestResult {
|
||||
run(&[EMPTY], "tests/expected/empty.txt.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn empty_n() -> TestResult {
|
||||
run(&["-n", EMPTY], "tests/expected/empty.txt.n.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn empty_b() -> TestResult {
|
||||
run(&["-b", EMPTY], "tests/expected/empty.txt.b.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn fox() -> TestResult {
|
||||
run(&[FOX], "tests/expected/fox.txt.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn fox_n() -> TestResult {
|
||||
run(&["-n", FOX], "tests/expected/fox.txt.n.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn fox_b() -> TestResult {
|
||||
run(&["-b", FOX], "tests/expected/fox.txt.b.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn spiders() -> TestResult {
|
||||
run(&[SPIDERS], "tests/expected/spiders.txt.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn spiders_n() -> TestResult {
|
||||
run(&["--number", SPIDERS], "tests/expected/spiders.txt.n.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn spiders_b() -> TestResult {
|
||||
run(
|
||||
&["--number-nonblank", SPIDERS],
|
||||
"tests/expected/spiders.txt.b.out",
|
||||
)
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle() -> TestResult {
|
||||
run(&[BUSTLE], "tests/expected/the-bustle.txt.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle_n() -> TestResult {
|
||||
run(&["-n", BUSTLE], "tests/expected/the-bustle.txt.n.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn bustle_b() -> TestResult {
|
||||
run(&["-b", BUSTLE], "tests/expected/the-bustle.txt.b.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn all() -> TestResult {
|
||||
run(&[FOX, SPIDERS, BUSTLE], "tests/expected/all.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn all_n() -> TestResult {
|
||||
run(&[FOX, SPIDERS, BUSTLE, "-n"], "tests/expected/all.n.out")
|
||||
}
|
||||
|
||||
// --------------------------------------------------
|
||||
#[test]
|
||||
fn all_b() -> TestResult {
|
||||
run(&[FOX, SPIDERS, BUSTLE, "-b"], "tests/expected/all.b.out")
|
||||
}
|
||||
13
tests/expected/all.b.out
Normal file
13
tests/expected/all.b.out
Normal file
@ -0,0 +1,13 @@
|
||||
1 The quick brown fox jumps over the lazy dog.
|
||||
1 Don't worry, spiders,
|
||||
2 I keep house
|
||||
3 casually.
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
|
||||
5 The sweeping up the heart,
|
||||
6 And putting love away
|
||||
7 We shall not want to use again
|
||||
8 Until eternity.
|
||||
13
tests/expected/all.n.out
Normal file
13
tests/expected/all.n.out
Normal file
@ -0,0 +1,13 @@
|
||||
1 The quick brown fox jumps over the lazy dog.
|
||||
1 Don't worry, spiders,
|
||||
2 I keep house
|
||||
3 casually.
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
5
|
||||
6 The sweeping up the heart,
|
||||
7 And putting love away
|
||||
8 We shall not want to use again
|
||||
9 Until eternity.
|
||||
13
tests/expected/all.out
Normal file
13
tests/expected/all.out
Normal file
@ -0,0 +1,13 @@
|
||||
The quick brown fox jumps over the lazy dog.
|
||||
Don't worry, spiders,
|
||||
I keep house
|
||||
casually.
|
||||
The bustle in a house
|
||||
The morning after death
|
||||
Is solemnest of industries
|
||||
Enacted upon earth,—
|
||||
|
||||
The sweeping up the heart,
|
||||
And putting love away
|
||||
We shall not want to use again
|
||||
Until eternity.
|
||||
0
tests/expected/empty.txt.b.out
Normal file
0
tests/expected/empty.txt.b.out
Normal file
0
tests/expected/empty.txt.n.out
Normal file
0
tests/expected/empty.txt.n.out
Normal file
0
tests/expected/empty.txt.out
Normal file
0
tests/expected/empty.txt.out
Normal file
1
tests/expected/fox.txt.b.out
Normal file
1
tests/expected/fox.txt.b.out
Normal file
@ -0,0 +1 @@
|
||||
1 The quick brown fox jumps over the lazy dog.
|
||||
1
tests/expected/fox.txt.n.out
Normal file
1
tests/expected/fox.txt.n.out
Normal file
@ -0,0 +1 @@
|
||||
1 The quick brown fox jumps over the lazy dog.
|
||||
1
tests/expected/fox.txt.out
Normal file
1
tests/expected/fox.txt.out
Normal file
@ -0,0 +1 @@
|
||||
The quick brown fox jumps over the lazy dog.
|
||||
3
tests/expected/spiders.txt.b.out
Normal file
3
tests/expected/spiders.txt.b.out
Normal file
@ -0,0 +1,3 @@
|
||||
1 Don't worry, spiders,
|
||||
2 I keep house
|
||||
3 casually.
|
||||
3
tests/expected/spiders.txt.n.out
Normal file
3
tests/expected/spiders.txt.n.out
Normal file
@ -0,0 +1,3 @@
|
||||
1 Don't worry, spiders,
|
||||
2 I keep house
|
||||
3 casually.
|
||||
3
tests/expected/spiders.txt.out
Normal file
3
tests/expected/spiders.txt.out
Normal file
@ -0,0 +1,3 @@
|
||||
Don't worry, spiders,
|
||||
I keep house
|
||||
casually.
|
||||
9
tests/expected/the-bustle.txt.b.out
Normal file
9
tests/expected/the-bustle.txt.b.out
Normal file
@ -0,0 +1,9 @@
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
|
||||
5 The sweeping up the heart,
|
||||
6 And putting love away
|
||||
7 We shall not want to use again
|
||||
8 Until eternity.
|
||||
9
tests/expected/the-bustle.txt.b.stdin.out
Normal file
9
tests/expected/the-bustle.txt.b.stdin.out
Normal file
@ -0,0 +1,9 @@
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
|
||||
5 The sweeping up the heart,
|
||||
6 And putting love away
|
||||
7 We shall not want to use again
|
||||
8 Until eternity.
|
||||
9
tests/expected/the-bustle.txt.n.out
Normal file
9
tests/expected/the-bustle.txt.n.out
Normal file
@ -0,0 +1,9 @@
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
5
|
||||
6 The sweeping up the heart,
|
||||
7 And putting love away
|
||||
8 We shall not want to use again
|
||||
9 Until eternity.
|
||||
9
tests/expected/the-bustle.txt.n.stdin.out
Normal file
9
tests/expected/the-bustle.txt.n.stdin.out
Normal file
@ -0,0 +1,9 @@
|
||||
1 The bustle in a house
|
||||
2 The morning after death
|
||||
3 Is solemnest of industries
|
||||
4 Enacted upon earth,—
|
||||
5
|
||||
6 The sweeping up the heart,
|
||||
7 And putting love away
|
||||
8 We shall not want to use again
|
||||
9 Until eternity.
|
||||
9
tests/expected/the-bustle.txt.out
Normal file
9
tests/expected/the-bustle.txt.out
Normal file
@ -0,0 +1,9 @@
|
||||
The bustle in a house
|
||||
The morning after death
|
||||
Is solemnest of industries
|
||||
Enacted upon earth,—
|
||||
|
||||
The sweeping up the heart,
|
||||
And putting love away
|
||||
We shall not want to use again
|
||||
Until eternity.
|
||||
9
tests/expected/the-bustle.txt.stdin.out
Normal file
9
tests/expected/the-bustle.txt.stdin.out
Normal file
@ -0,0 +1,9 @@
|
||||
The bustle in a house
|
||||
The morning after death
|
||||
Is solemnest of industries
|
||||
Enacted upon earth,—
|
||||
|
||||
The sweeping up the heart,
|
||||
And putting love away
|
||||
We shall not want to use again
|
||||
Until eternity.
|
||||
Loading…
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Reference in New Issue
Block a user