use nu_test_support::fs::{file_contents, Stub};
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
use std::io::Write;
#[test]
fn writes_out_csv() {
Playground::setup("save_test_2", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("cargo_sample.csv");
nu!(
cwd: dirs.root(),
r#"[[name, version, description, license, edition]; [nu, "0.14", "A new type of shell", "MIT", "2018"]] | save save_test_2/cargo_sample.csv"#,
);
let actual = file_contents(expected_file);
println!("{actual}");
assert!(actual.contains("nu,0.14,A new type of shell,MIT,2018"));
})
}
#[test]
fn writes_out_list() {
Playground::setup("save_test_3", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("list_sample.txt");
nu!(
cwd: dirs.root(),
"[a b c d] | save save_test_3/list_sample.txt",
);
let actual = file_contents(expected_file);
println!("{actual}");
assert_eq!(actual, "a\nb\nc\nd\n")
})
}
#[test]
fn save_append_will_create_file_if_not_exists() {
Playground::setup("save_test_3", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("new-file.txt");
nu!(
cwd: dirs.root(),
r#"'hello' | save --raw --append save_test_3/new-file.txt"#,
);
let actual = file_contents(expected_file);
println!("{actual}");
assert_eq!(actual, "hello");
})
}
#[test]
fn save_append_will_not_overwrite_content() {
Playground::setup("save_test_4", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("new-file.txt");
{
let mut file =
std::fs::File::create(&expected_file).expect("Failed to create test file");
file.write_all("hello ".as_bytes())
.expect("Failed to write to test file");
file.flush().expect("Failed to flush io")
}
nu!(
cwd: dirs.root(),
r#"'world' | save --append save_test_4/new-file.txt"#,
);
let actual = file_contents(expected_file);
println!("{actual}");
assert_eq!(actual, "hello world");
})
}
#[test]
fn save_stderr_and_stdout_to_same_file() {
Playground::setup("save_test_5", |dirs, sandbox| {
sandbox.with_files(&[]);
let actual = nu!(
cwd: dirs.root(),
r#"
$env.FOO = "bar";
$env.BAZ = "ZZZ";
do -c {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -r save_test_5/new-file.txt --stderr save_test_5/new-file.txt
"#,
);
assert!(actual
.err
.contains("can't save both input and stderr input to the same file"));
})
}
#[test]
fn save_stderr_and_stdout_to_diff_file() {
Playground::setup("save_test_6", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("log.txt");
let expected_stderr_file = dirs.test().join("err.txt");
nu!(
cwd: dirs.root(),
r#"
$env.FOO = "bar";
$env.BAZ = "ZZZ";
do -c {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -r save_test_6/log.txt --stderr save_test_6/err.txt
"#,
);
let actual = file_contents(expected_file);
assert!(actual.contains("bar"));
assert!(!actual.contains("ZZZ"));
let actual = file_contents(expected_stderr_file);
assert!(actual.contains("ZZZ"));
assert!(!actual.contains("bar"));
})
}
#[test]
fn save_string_and_stream_as_raw() {
Playground::setup("save_test_7", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("temp.html");
nu!(
cwd: dirs.root(),
r#"
"Example" | save save_test_7/temp.html
"#,
);
let actual = file_contents(expected_file);
assert_eq!(
actual,
r#"Example"#
)
})
}
#[test]
fn save_not_override_file_by_default() {
Playground::setup("save_test_8", |dirs, sandbox| {
sandbox.with_files(&[Stub::EmptyFile("log.txt")]);
let actual = nu!(
cwd: dirs.root(),
r#""abcd" | save save_test_8/log.txt"#
);
assert!(actual.err.contains("Destination file already exists"));
})
}
#[test]
fn save_override_works() {
Playground::setup("save_test_9", |dirs, sandbox| {
sandbox.with_files(&[Stub::EmptyFile("log.txt")]);
let expected_file = dirs.test().join("log.txt");
nu!(
cwd: dirs.root(),
r#""abcd" | save save_test_9/log.txt -f"#
);
let actual = file_contents(expected_file);
assert_eq!(actual, "abcd");
})
}
#[test]
fn save_failure_not_overrides() {
Playground::setup("save_test_10", |dirs, sandbox| {
sandbox.with_files(&[Stub::FileWithContent("result.toml", "Old content")]);
let expected_file = dirs.test().join("result.toml");
nu!(
cwd: dirs.root(),
// Writing number to file as toml fails
"3 | save save_test_10/result.toml -f"
);
let actual = file_contents(expected_file);
assert_eq!(actual, "Old content");
})
}
#[test]
fn save_append_works_on_stderr() {
Playground::setup("save_test_11", |dirs, sandbox| {
sandbox.with_files(&[
Stub::FileWithContent("log.txt", "Old"),
Stub::FileWithContent("err.txt", "Old Err"),
]);
let expected_file = dirs.test().join("log.txt");
let expected_stderr_file = dirs.test().join("err.txt");
nu!(
cwd: dirs.root(),
r#"
$env.FOO = " New";
$env.BAZ = " New Err";
do -i {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -a -r save_test_11/log.txt --stderr save_test_11/err.txt"#,
);
let actual = file_contents(expected_file);
assert_eq!(actual, "Old New\n");
let actual = file_contents(expected_stderr_file);
assert_eq!(actual, "Old Err New Err\n");
})
}
#[test]
fn save_not_overrides_err_by_default() {
Playground::setup("save_test_12", |dirs, sandbox| {
sandbox.with_files(&[Stub::FileWithContent("err.txt", "Old Err")]);
let actual = nu!(
cwd: dirs.root(),
r#"
$env.FOO = " New";
$env.BAZ = " New Err";
do -i {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -r save_test_12/log.txt --stderr save_test_12/err.txt"#,
);
assert!(actual.err.contains("Destination file already exists"));
})
}
#[test]
fn save_override_works_stderr() {
Playground::setup("save_test_13", |dirs, sandbox| {
sandbox.with_files(&[
Stub::FileWithContent("log.txt", "Old"),
Stub::FileWithContent("err.txt", "Old Err"),
]);
let expected_file = dirs.test().join("log.txt");
let expected_stderr_file = dirs.test().join("err.txt");
nu!(
cwd: dirs.root(),
r#"
$env.FOO = "New";
$env.BAZ = "New Err";
do -i {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -f -r save_test_13/log.txt --stderr save_test_13/err.txt"#,
);
let actual = file_contents(expected_file);
assert_eq!(actual, "New\n");
let actual = file_contents(expected_stderr_file);
assert_eq!(actual, "New Err\n");
})
}
#[test]
fn save_list_stream() {
Playground::setup("save_test_13", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("list_sample.txt");
nu!(
cwd: dirs.root(),
"[a b c d] | each {|i| $i} | save -r save_test_13/list_sample.txt",
);
let actual = file_contents(expected_file);
assert_eq!(actual, "a\nb\nc\nd\n")
})
}
#[test]
fn writes_out_range() {
Playground::setup("save_test_14", |dirs, sandbox| {
sandbox.with_files(&[]);
let expected_file = dirs.test().join("list_sample.json");
nu!(
cwd: dirs.root(),
"1..3 | save save_test_14/list_sample.json",
);
let actual = file_contents(expected_file);
println!("{actual}");
assert_eq!(actual, "[\n 1,\n 2,\n 3\n]")
})
}
// https://github.com/nushell/nushell/issues/10044
#[test]
fn save_file_correct_relative_path() {
Playground::setup("save_test_15", |dirs, sandbox| {
sandbox.with_files(&[Stub::FileWithContent(
"test.nu",
r#"
export def main [] {
let foo = "foo"
mkdir bar
cd bar
'foo!' | save $foo
}
"#,
)]);
let expected_file = dirs.test().join("bar/foo");
nu!(
cwd: dirs.test(),
r#"use test.nu; test"#
);
let actual = file_contents(expected_file);
assert_eq!(actual, "foo!");
})
}
#[test]
fn save_same_file_with_extension() {
Playground::setup("save_test_16", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline(
"
echo 'world'
| save --raw hello.md;
open --raw hello.md
| save --raw --force hello.md
"
)
);
assert!(actual
.err
.contains("pipeline input and output are the same file"));
})
}
#[test]
fn save_same_file_with_extension_pipeline() {
Playground::setup("save_test_17", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline(
"
echo 'world'
| save --raw hello.md;
open --raw hello.md
| prepend 'hello'
| save --raw --force hello.md
"
)
);
assert!(actual
.err
.contains("pipeline input and output are the same file"));
})
}
#[test]
fn save_same_file_without_extension() {
Playground::setup("save_test_18", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline(
"
echo 'world'
| save hello;
open hello
| save --force hello
"
)
);
assert!(actual
.err
.contains("pipeline input and output are the same file"));
})
}
#[test]
fn save_same_file_without_extension_pipeline() {
Playground::setup("save_test_19", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline(
"
echo 'world'
| save hello;
open hello
| prepend 'hello'
| save --force hello
"
)
);
assert!(actual
.err
.contains("pipeline input and output are the same file"));
})
}
#[test]
fn save_with_custom_converter() {
Playground::setup("save_with_custom_converter", |dirs, _| {
let file = dirs.test().join("test.ndjson");
nu!(cwd: dirs.test(), pipeline(
r#"
def "to ndjson" []: any -> string { each { to json --raw } | to text --no-newline } ;
{a: 1, b: 2} | save test.ndjson
"#
));
let actual = file_contents(file);
assert_eq!(actual, r#"{"a":1,"b":2}"#);
})
}
#[test]
fn save_same_file_with_collect() {
Playground::setup("save_test_20", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline("
echo 'world'
| save hello;
open hello
| prepend 'hello'
| collect
| save --force hello;
open hello
")
);
assert!(actual.status.success());
assert_eq!("helloworld", actual.out);
})
}
#[test]
fn save_same_file_with_collect_and_filter() {
Playground::setup("save_test_21", |dirs, _sandbox| {
let actual = nu!(
cwd: dirs.test(), pipeline("
echo 'world'
| save hello;
open hello
| prepend 'hello'
| collect
| filter { true }
| save --force hello;
open hello
")
);
assert!(actual.status.success());
assert_eq!("helloworld", actual.out);
})
}
#[test]
fn save_from_child_process_dont_sink_stderr() {
Playground::setup("save_test_22", |dirs, sandbox| {
sandbox.with_files(&[
Stub::FileWithContent("log.txt", "Old"),
Stub::FileWithContent("err.txt", "Old Err"),
]);
let expected_file = dirs.test().join("log.txt");
let expected_stderr_file = dirs.test().join("err.txt");
let actual = nu!(
cwd: dirs.root(),
r#"
$env.FOO = " New";
$env.BAZ = " New Err";
do -i {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -a -r save_test_22/log.txt"#,
);
assert_eq!(actual.err.trim_end(), " New Err");
let actual = file_contents(expected_file);
assert_eq!(actual.trim_end(), "Old New");
let actual = file_contents(expected_stderr_file);
assert_eq!(actual.trim_end(), "Old Err");
})
}
#[test]
fn parent_redirection_doesnt_affect_save() {
Playground::setup("save_test_23", |dirs, sandbox| {
sandbox.with_files(&[
Stub::FileWithContent("log.txt", "Old"),
Stub::FileWithContent("err.txt", "Old Err"),
]);
let expected_file = dirs.test().join("log.txt");
let expected_stderr_file = dirs.test().join("err.txt");
let actual = nu!(
cwd: dirs.root(),
r#"
$env.FOO = " New";
$env.BAZ = " New Err";
def tttt [] {
do -i {nu -n -c 'nu --testbin echo_env FOO; nu --testbin echo_env_stderr BAZ'} | save -a -r save_test_23/log.txt
};
tttt e> ("save_test_23" | path join empty_file)"#
);
assert_eq!(actual.err.trim_end(), " New Err");
let actual = file_contents(expected_file);
assert_eq!(actual.trim_end(), "Old New");
let actual = file_contents(expected_stderr_file);
assert_eq!(actual.trim_end(), "Old Err");
let actual = file_contents(dirs.test().join("empty_file"));
assert_eq!(actual.trim_end(), "");
})
}