nushell/tests/helpers/mod.rs

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#![allow(dead_code)]
use glob::glob;
pub use std::path::Path;
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pub use std::path::PathBuf;
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use std::io::Read;
#[macro_export]
macro_rules! nu {
($out:ident, $cwd:expr, $commands:expr) => {
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pub use std::error::Error;
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pub use std::io::prelude::*;
pub use std::process::{Command, Stdio};
let commands = &*format!(
"
cd {}
{}
exit",
$cwd, $commands
);
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let mut process = match Command::new(helpers::executable_path())
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
{
Ok(child) => child,
Err(why) => panic!("Can't run test {}", why.description()),
};
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let stdin = process.stdin.as_mut().expect("couldn't open stdin");
stdin
.write_all(commands.as_bytes())
.expect("couldn't write to stdin");
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let output = process
.wait_with_output()
.expect("couldn't read from stdout");
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let $out = String::from_utf8_lossy(&output.stdout);
let $out = $out.replace("\r\n", "");
let $out = $out.replace("\n", "");
};
}
#[macro_export]
macro_rules! nu_error {
($out:ident, $cwd:expr, $commands:expr) => {
use std::io::prelude::*;
use std::process::{Command, Stdio};
let commands = &*format!(
"
cd {}
{}
exit",
$cwd, $commands
);
let mut process = Command::new(helpers::executable_path())
.stdin(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.expect("couldn't run test");
let stdin = process.stdin.as_mut().expect("couldn't open stdin");
stdin
.write_all(commands.as_bytes())
.expect("couldn't write to stdin");
let output = process
.wait_with_output()
.expect("couldn't read from stderr");
let $out = String::from_utf8_lossy(&output.stderr);
};
}
pub enum Stub<'a> {
FileWithContent(&'a str, &'a str),
EmptyFile(&'a str),
}
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pub struct Playground {
tests: String,
cwd: PathBuf,
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}
impl Playground {
pub fn root() -> String {
String::from("tests/fixtures/nuplayground")
}
pub fn test_dir_name(&self) -> String {
self.tests.clone()
}
pub fn back_to_playground(&mut self) -> &mut Self {
self.cwd = PathBuf::from([Playground::root(), self.tests.clone()].join("/"));
self
}
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pub fn setup_for(topic: &str) -> Playground {
let nuplay_dir = format!("{}/{}", Playground::root(), topic);
if PathBuf::from(&nuplay_dir).exists() {
std::fs::remove_dir_all(PathBuf::from(&nuplay_dir)).expect("can not remove directory");
}
std::fs::create_dir(PathBuf::from(&nuplay_dir)).expect("can not create directory");
Playground {
tests: topic.to_string(),
cwd: PathBuf::from([Playground::root(), topic.to_string()].join("/")),
}
}
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pub fn mkdir(&mut self, directory: &str) -> &mut Self {
self.cwd.push(directory);
std::fs::create_dir_all(&self.cwd).expect("can not create directory");
self.back_to_playground();
self
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}
pub fn with_files(&mut self, files: Vec<Stub>) -> &mut Self {
files
.iter()
.map(|f| {
let mut path = PathBuf::from(&self.cwd);
let (file_name, contents) = match *f {
Stub::EmptyFile(name) => (name, "fake data"),
Stub::FileWithContent(name, content) => (name, content),
};
path.push(file_name);
std::fs::write(PathBuf::from(path), contents.as_bytes())
.expect("can not create file");
})
.for_each(drop);
self.back_to_playground();
self
}
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pub fn within(&mut self, directory: &str) -> &mut Self {
self.cwd.push(directory);
std::fs::create_dir(&self.cwd).expect("can not create directory");
self
}
pub fn glob_vec(pattern: &str) -> Vec<PathBuf> {
glob(pattern).unwrap().map(|r| r.unwrap()).collect()
}
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}
pub fn file_contents(full_path: &str) -> String {
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let mut file = std::fs::File::open(full_path).expect("can not open file");
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let mut contents = String::new();
file.read_to_string(&mut contents)
.expect("can not read file");
contents
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}
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pub fn normalize_string(input: &str) -> String {
#[cfg(windows)]
{
input.to_string()
}
#[cfg(not(windows))]
{
format!("\"{}\"", input)
}
}
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pub fn create_file_at(full_path: impl AsRef<Path>) -> Result<(), std::io::Error> {
let full_path = full_path.as_ref();
assert!(
full_path.parent().unwrap().is_dir(),
"{:?} exists",
full_path.parent().unwrap().display(),
);
std::fs::write(full_path, "fake data".as_bytes())
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}
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pub fn copy_file_to(source: &str, destination: &str) {
std::fs::copy(source, destination).expect("can not copy file");
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}
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pub fn files_exist_at(files: Vec<&Path>, path: PathBuf) -> bool {
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files.iter().all(|f| {
let mut loc = path.clone();
loc.push(f);
loc.exists()
})
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}
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pub fn file_exists_at(path: PathBuf) -> bool {
path.exists()
}
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pub fn dir_exists_at(path: PathBuf) -> bool {
path.exists()
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}
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pub fn delete_directory_at(full_path: &str) {
std::fs::remove_dir_all(PathBuf::from(full_path)).expect("can not remove directory");
}
pub fn executable_path() -> PathBuf {
let mut buf = PathBuf::new();
buf.push("target");
buf.push("debug");
buf.push("nu");
buf
}
pub fn in_directory(str: &str) -> &str {
str
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}