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nushell/tests/shell/pipeline/commands/internal.rs
Andrés N. Robalino 7dc1d6a350
Extract .nu-env tests and more granularity (#3078) 
The autoenv logic mutates environment variables in the running session as
it operates and decides what to do for trusted directories containing `.nu-env`
files. Few of the ways to interact with it were all in a single test function.

We separate out all the ways that were done in the single test function to document
 it better. This will greatly help once we start refactoring our way out from setting
 environment variables this way to just setting them to `Scope`.

This is part of an on-going effort to keep variables (`PATH` and `ENV`)
in our `Scope` and rely on it for everything related to variables.

We expect to move away from setting (`std::*`) envrironment variables in the current
running process. This is non-trivial since we need to handle cases from vars
coming in from the outside world, prioritize, and also compare to the ones
we have both stored in memory and in configuration files.

Also to send out our in-memory (in `Scope`) variables properly to external
programs once we no longer rely on `std::env` vars from the running process.
2021-02-18 20:24:27 -05:00

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#[cfg(feature = "which")]
use nu_test_support::fs::Stub::FileWithContent;
use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::nu;
use nu_test_support::pipeline;
use nu_test_support::playground::Playground;
#[test]
fn takes_rows_of_nu_value_strings_and_pipes_it_to_stdin_of_external() {
Playground::setup("internal_to_external_pipe_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"nu_times.csv",
r#"
name,rusty_luck,origin
Jason,1,Canada
Jonathan,1,New Zealand
Andrés,1,Ecuador
AndKitKatz,1,Estados Unidos
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open nu_times.csv
| get origin
| each { ^echo $it | nu --testbin chop | lines }
| nth 2
"#
));
// chop will remove the last escaped double quote from \"Estados Unidos\"
assert_eq!(actual.out, "Ecuado");
})
}
#[test]
fn invocation_properly_redirects() {
let actual = nu!(
cwd: ".",
r#"
echo $(nu --testbin cococo "hello") | str collect
"#
);
assert_eq!(actual.out, "hello");
}
#[test]
fn argument_invocation() {
let actual = nu!(
cwd: ".",
r#"
echo "foo" | each { echo $(echo $it) }
"#
);
assert_eq!(actual.out, "foo");
}
#[test]
fn invocation_handles_dot() {
Playground::setup("invocation_handles_dot", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"nu_times.csv",
r#"
name,rusty_luck,origin
Jason,1,Canada
Jonathan,1,New Zealand
Andrés,1,Ecuador
AndKitKatz,1,Estados Unidos
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
echo $(open nu_times.csv)
| get name
| each { nu --testbin chop $it | lines }
| nth 3
"#
));
assert_eq!(actual.out, "AndKitKat");
})
}
#[test]
fn string_interpolation_with_it() {
let actual = nu!(
cwd: ".",
r#"
echo "foo" | each { echo `{{$it}}` }
"#
);
assert_eq!(actual.out, "foo");
}
#[test]
fn string_interpolation_with_column() {
let actual = nu!(
cwd: ".",
r#"
echo [[name]; [bob]] | each { echo `{{name}} is cool` }
"#
);
assert_eq!(actual.out, "bob is cool");
}
#[test]
fn string_interpolation_with_column2() {
let actual = nu!(
cwd: ".",
r#"
echo [[name]; [fred]] | each { echo `also {{name}} is cool` }
"#
);
assert_eq!(actual.out, "also fred is cool");
}
#[test]
fn string_interpolation_with_column3() {
let actual = nu!(
cwd: ".",
r#"
echo [[name]; [sally]] | each { echo `also {{name}}` }
"#
);
assert_eq!(actual.out, "also sally");
}
#[test]
fn string_interpolation_with_it_column_path() {
let actual = nu!(
cwd: ".",
r#"
echo [[name]; [sammie]] | each { echo `{{$it.name}}` }
"#
);
assert_eq!(actual.out, "sammie");
}
#[test]
fn bignum_large_integer() {
let actual = nu!(
cwd: ".",
r#"
echo 91231720741731287123917
"#
);
assert_eq!(actual.out, "91231720741731287123917");
}
#[test]
fn bignum_large_decimal() {
let actual = nu!(
cwd: ".",
r#"
echo 91231720741731287123917.1
"#
);
assert_eq!(actual.out, "91231720741731287123917.1");
}
#[test]
fn run_custom_command() {
let actual = nu!(
cwd: ".",
r#"
def add-me [x y] { = $x + $y}; add-me 10 5
"#
);
assert_eq!(actual.out, "15");
}
#[test]
fn run_custom_command_with_flag() {
let actual = nu!(
cwd: ".",
r#"
def foo [--bar:number] { if $(echo $bar | empty?) { echo "empty" } { echo $bar } }; foo --bar 10
"#
);
assert_eq!(actual.out, "10");
}
#[test]
fn run_custom_command_with_flag_missing() {
let actual = nu!(
cwd: ".",
r#"
def foo [--bar:number] { if $(echo $bar | empty?) { echo "empty" } { echo $bar } }; foo
"#
);
assert_eq!(actual.out, "empty");
}
#[test]
fn run_custom_subcommand() {
let actual = nu!(
cwd: ".",
r#"
def "str double" [x] { echo $x $x | str collect }; str double bob
"#
);
assert_eq!(actual.out, "bobbob");
}
#[test]
fn run_inner_custom_command() {
let actual = nu!(
cwd: ".",
r#"
def outer [x] { def inner [y] { echo $y }; inner $x }; outer 10
"#
);
assert_eq!(actual.out, "10");
}
#[test]
fn run_broken_inner_custom_command() {
let actual = nu!(
cwd: ".",
r#"
def outer [x] { def inner [y] { echo $y }; inner $x }; inner 10
"#
);
assert!(actual.err.contains("not found"));
}
#[test]
fn run_custom_command_with_rest() {
let actual = nu!(
cwd: ".",
r#"
def rest-me [...rest: string] { echo $rest.1 $rest.0}; rest-me "hello" "world" | to json
"#
);
assert_eq!(actual.out, r#"["world","hello"]"#);
}
#[test]
fn run_custom_command_with_rest_and_arg() {
let actual = nu!(
cwd: ".",
r#"
def rest-me-with-arg [name: string, ...rest: string] { echo $rest.1 $rest.0 $name}; rest-me-with-arg "hello" "world" "yay" | to json
"#
);
assert_eq!(actual.out, r#"["yay","world","hello"]"#);
}
#[test]
fn run_custom_command_with_rest_and_flag() {
let actual = nu!(
cwd: ".",
r#"
def rest-me-with-flag [--name: string, ...rest: string] { echo $rest.1 $rest.0 $name}; rest-me-with-flag "hello" "world" --name "yay" | to json
"#
);
assert_eq!(actual.out, r#"["world","hello","yay"]"#);
}
#[test]
fn set_variable() {
let actual = nu!(
cwd: ".",
r#"
let x = 5
let y = 12
= $x + $y
"#
);
assert_eq!(actual.out, "17");
}
#[test]
fn set_doesnt_leak() {
let actual = nu!(
cwd: ".",
r#"
do { let x = 5 }; echo $x
"#
);
assert!(actual.err.contains("unknown variable"));
}
#[test]
fn set_env_variable() {
let actual = nu!(
cwd: ".",
r#"
let-env TESTENVVAR = "hello world"
echo $nu.env.TESTENVVAR
"#
);
assert_eq!(actual.out, "hello world");
}
#[test]
fn set_env_doesnt_leak() {
let actual = nu!(
cwd: ".",
r#"
do { let-env xyz = "my message" }; echo $nu.env.xyz
"#
);
assert!(actual.err.contains("did you mean"));
}
#[test]
fn proper_shadow_set_env_aliases() {
let actual = nu!(
cwd: ".",
r#"
let-env DEBUG = true; echo $nu.env.DEBUG | autoview; do { let-env DEBUG = false; echo $nu.env.DEBUG } | autoview; echo $nu.env.DEBUG
"#
);
assert_eq!(actual.out, "truefalsetrue");
}
#[test]
fn proper_shadow_set_aliases() {
let actual = nu!(
cwd: ".",
r#"
let DEBUG = false; echo $DEBUG | autoview; do { let DEBUG = true; echo $DEBUG } | autoview; echo $DEBUG
"#
);
assert_eq!(actual.out, "falsetruefalse");
}
#[cfg(feature = "which")]
#[test]
fn argument_invocation_reports_errors() {
let actual = nu!(
cwd: ".",
"echo $(ferris_is_not_here.exe)"
);
assert!(actual.err.contains("Command not found"));
}
#[test]
fn can_process_one_row_from_internal_and_pipes_it_to_stdin_of_external() {
let actual = nu!(
cwd: ".",
r#"echo "nushelll" | nu --testbin chop"#
);
assert_eq!(actual.out, "nushell");
}
#[test]
fn index_out_of_bounds() {
let actual = nu!(
cwd: ".",
r#"
let foo = [1, 2, 3]; echo $foo.5
"#
);
assert!(actual.err.contains("unknown row"));
}
#[test]
fn index_row() {
let actual = nu!(
cwd: ".",
r#"
let foo = [[name]; [joe] [bob]]; echo $foo.1 | to json
"#
);
assert_eq!(actual.out, r#"{"name":"bob"}"#);
}
#[test]
fn index_cell() {
let actual = nu!(
cwd: ".",
r#"
let foo = [[name]; [joe] [bob]]; echo $foo.name.1
"#
);
assert_eq!(actual.out, "bob");
}
#[test]
fn index_cell_alt() {
let actual = nu!(
cwd: ".",
r#"
let foo = [[name]; [joe] [bob]]; echo $foo.1.name
"#
);
assert_eq!(actual.out, "bob");
}
#[test]
fn echoing_ranges() {
let actual = nu!(
cwd: ".",
r#"
echo 1..3 | math sum
"#
);
assert_eq!(actual.out, "6");
}
#[test]
fn echoing_exclusive_ranges() {
let actual = nu!(
cwd: ".",
r#"
echo 1..<4 | math sum
"#
);
assert_eq!(actual.out, "6");
}
#[test]
fn table_literals1() {
let actual = nu!(
cwd: ".",
r#"
echo [[name age]; [foo 13]] | get age
"#
);
assert_eq!(actual.out, "13");
}
#[test]
fn table_literals2() {
let actual = nu!(
cwd: ".",
r#"
echo [[name age] ; [bob 13] [sally 20]] | get age | math sum
"#
);
assert_eq!(actual.out, "33");
}
#[test]
fn list_with_commas() {
let actual = nu!(
cwd: ".",
r#"
echo [1, 2, 3] | math sum
"#
);
assert_eq!(actual.out, "6");
}
#[test]
fn range_with_left_var() {
let actual = nu!(
cwd: ".",
r#"
echo [[size]; [3]] | each { echo $it.size..10 } | math sum
"#
);
assert_eq!(actual.out, "52");
}
#[test]
fn range_with_right_var() {
let actual = nu!(
cwd: ".",
r#"
echo [[size]; [30]] | each { echo 4..$it.size } | math sum
"#
);
assert_eq!(actual.out, "459");
}
#[test]
fn range_with_open_left() {
let actual = nu!(
cwd: ".",
r#"
echo ..30 | math sum
"#
);
assert_eq!(actual.out, "465");
}
#[test]
fn exclusive_range_with_open_left() {
let actual = nu!(
cwd: ".",
r#"
echo ..<31 | math sum
"#
);
assert_eq!(actual.out, "465");
}
#[test]
fn range_with_open_right() {
let actual = nu!(
cwd: ".",
r#"
echo 5.. | first 10 | math sum
"#
);
assert_eq!(actual.out, "95");
}
#[test]
fn exclusive_range_with_open_right() {
let actual = nu!(
cwd: ".",
r#"
echo 5..< | first 10 | math sum
"#
);
assert_eq!(actual.out, "95");
}
#[test]
fn range_with_mixed_types() {
let actual = nu!(
cwd: ".",
r#"
echo 1..10.5 | math sum
"#
);
assert_eq!(actual.out, "55");
}
#[test]
fn filesize_math() {
let actual = nu!(
cwd: ".",
r#"
= 100 * 10kb
"#
);
assert_eq!(actual.out, "1000.0 KB");
// why 1000.0 KB instead of 1.0 MB?
// looks like `byte.get_appropriate_unit(false)` behaves this way
}
#[test]
fn filesize_math2() {
let actual = nu!(
cwd: ".",
r#"
= 100 / 10kb
"#
);
assert!(actual.err.contains("Coercion"));
}
#[test]
fn filesize_math3() {
let actual = nu!(
cwd: ".",
r#"
= 100kb / 10
"#
);
assert_eq!(actual.out, "10.0 KB");
}
#[test]
fn filesize_math4() {
let actual = nu!(
cwd: ".",
r#"
= 100kb * 5
"#
);
assert_eq!(actual.out, "500.0 KB");
}
#[test]
fn filesize_math5() {
let actual = nu!(
cwd: ".",
r#"
= 1001 * 1kb
"#
);
assert_eq!(actual.out, "1.0 MB");
}
#[test]
fn filesize_math6() {
let actual = nu!(
cwd: ".",
r#"
= 1001 * 1mb
"#
);
assert_eq!(actual.out, "1.0 GB");
}
#[test]
fn filesize_math7() {
let actual = nu!(
cwd: ".",
r#"
= 1001 * 1gb
"#
);
assert_eq!(actual.out, "1.0 TB");
}
#[test]
fn exclusive_range_with_mixed_types() {
let actual = nu!(
cwd: ".",
r#"
echo 1..<10.5 | math sum
"#
);
assert_eq!(actual.out, "55");
}
#[test]
fn table_with_commas() {
let actual = nu!(
cwd: ".",
r#"
echo [[name, age, height]; [JT, 42, 185] [Unknown, 99, 99]] | get age | math sum
"#
);
assert_eq!(actual.out, "141");
}
#[test]
fn duration_overflow() {
let actual = nu!(
cwd: ".", pipeline(
r#"
ls | get modified | each { = $it + 1000000000000000000yr }
"#)
);
assert!(actual.err.contains("Duration overflow"));
}
#[test]
fn date_and_duration_overflow() {
let actual = nu!(
cwd: ".", pipeline(
r#"
ls | get modified | each { = $it + 1000000yr }
"#)
);
// assert_eq!(actual.err, "overflow");
assert!(actual.err.contains("Duration and date addition overflow"));
}
mod parse {
use nu_test_support::nu;
/*
The debug command's signature is:
Usage:
> debug {flags}
flags:
-h, --help: Display this help message
-r, --raw: Prints the raw value representation.
*/
#[test]
fn errors_if_flag_passed_is_not_exact() {
let actual = nu!(cwd: ".", "debug -ra");
assert!(
actual.err.contains("unexpected flag"),
format!(
"error message '{}' should contain 'unexpected flag'",
actual.err
)
);
let actual = nu!(cwd: ".", "debug --rawx");
assert!(
actual.err.contains("unexpected flag"),
format!(
"error message '{}' should contain 'unexpected flag'",
actual.err
)
);
}
#[test]
fn errors_if_flag_is_not_supported() {
let actual = nu!(cwd: ".", "debug --ferris");
assert!(
actual.err.contains("unexpected flag"),
format!(
"error message '{}' should contain 'unexpected flag'",
actual.err
)
);
}
#[test]
fn errors_if_passed_an_unexpected_argument() {
let actual = nu!(cwd: ".", "debug ferris");
assert!(
actual.err.contains("unexpected argument"),
format!(
"error message '{}' should contain 'unexpected argument'",
actual.err
)
);
}
}
mod tilde_expansion {
use nu_test_support::nu;
#[test]
#[should_panic]
fn as_home_directory_when_passed_as_argument_and_begins_with_tilde() {
let actual = nu!(
cwd: ".",
r#"
echo ~
"#
);
assert!(
!actual.out.contains('~'),
format!("'{}' should not contain ~", actual.out)
);
}
#[test]
fn does_not_expand_when_passed_as_argument_and_does_not_start_with_tilde() {
let actual = nu!(
cwd: ".",
r#"
echo "1~1"
"#
);
assert_eq!(actual.out, "1~1");
}
}
mod variable_scoping {
use nu_test_support::nu;
macro_rules! test_variable_scope {
($func:literal == $res:literal $(,)*) => {
let actual = nu!(
cwd: ".",
$func
);
assert_eq!(actual.out, $res);
};
}
macro_rules! test_variable_scope_list {
($func:literal == $res:expr $(,)*) => {
let actual = nu!(
cwd: ".",
$func
);
let result: Vec<&str> = actual.out.matches("ZZZ").collect();
assert_eq!(result, $res);
};
}
#[test]
fn access_variables_in_scopes() {
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { echo $input } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { if $input == "ZZZ" { echo $input } { echo $input } } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { if $input == "ZZZ" { echo $input } { echo $input } } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { echo $input } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { if $input == $input { echo $input } { echo $input } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { echo $input } }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { if $it > 0 {echo $input} {echo $input}} }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { if $input == $input {echo $input} {echo $input}} }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
}
}
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