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b7af715f6b
# Description Fixes: #14110 Fixes: #14087 I think it's ok to not generating instruction to `def` and `export def` call. Because they just return `PipelineData::Empty` without doing anything. If nushell generates instructions for `def` and `export def`, nushell will try to capture variables for these block. It's not the time to do this. # User-Facing Changes ``` nu -c " def bar [] { let x = 1 ($x | foo) } def foo [] { foo } " ``` Will no longer raise error. # Tests + Formatting Added 4 tests
329 lines
9.1 KiB
Rust
329 lines
9.1 KiB
Rust
use nu_test_support::nu;
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use nu_test_support::playground::Playground;
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use std::fs;
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#[test]
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fn def_with_comment() {
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Playground::setup("def_with_comment", |dirs, _| {
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let data = r#"
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#My echo
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export def e [arg] {echo $arg}
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"#;
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fs::write(dirs.root().join("def_test"), data).expect("Unable to write file");
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let actual = nu!(
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cwd: dirs.root(),
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"use def_test e; help e | to json -r"
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);
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assert!(actual.out.contains("My echo\\n\\n"));
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});
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}
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#[test]
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fn def_with_param_comment() {
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Playground::setup("def_with_param_comment", |dirs, _| {
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let data = r#"
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export def e [
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param:string #My cool attractive param
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] {echo $param};
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"#;
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fs::write(dirs.root().join("def_test"), data).expect("Unable to write file");
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let actual = nu!(
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cwd: dirs.root(),
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"use def_test e; help e"
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);
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assert!(actual.out.contains(r#"My cool attractive param"#));
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})
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}
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#[test]
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fn def_errors_with_no_space_between_params_and_name_1() {
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let actual = nu!("def test-command[] {}");
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assert!(actual.err.contains("expected space"));
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}
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#[test]
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fn def_errors_with_no_space_between_params_and_name_2() {
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let actual = nu!("def --env test-command() {}");
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assert!(actual.err.contains("expected space"));
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}
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#[test]
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fn def_errors_with_multiple_short_flags() {
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let actual = nu!("def test-command [ --long(-l)(-o) ] {}");
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assert!(actual.err.contains("expected only one short flag"));
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}
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#[test]
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fn def_errors_with_comma_before_alternative_short_flag() {
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let actual = nu!("def test-command [ --long, (-l) ] {}");
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assert!(actual.err.contains("expected parameter"));
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}
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#[test]
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fn def_errors_with_comma_before_equals() {
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let actual = nu!("def test-command [ foo, = 1 ] {}");
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assert!(actual.err.contains("expected parameter"));
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}
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#[test]
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fn def_errors_with_comma_before_colon() {
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let actual = nu!("def test-command [ foo, : int ] {}");
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assert!(actual.err.contains("expected parameter"));
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}
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#[test]
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fn def_errors_with_multiple_colons() {
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let actual = nu!("def test-command [ foo::int ] {}");
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assert!(actual.err.contains("expected type"));
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}
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#[ignore = "This error condition is not implemented yet"]
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#[test]
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fn def_errors_with_multiple_types() {
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let actual = nu!("def test-command [ foo:int:string ] {}");
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assert!(actual.err.contains("expected parameter"));
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}
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#[test]
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fn def_errors_with_multiple_commas() {
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let actual = nu!("def test-command [ foo,,bar ] {}");
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assert!(actual.err.contains("expected parameter"));
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}
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#[test]
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fn def_fails_with_invalid_name() {
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let err_msg = "command name can't be a number, a filesize, or contain a hash # or caret ^";
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let actual = nu!(r#"def 1234 = echo "test""#);
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assert!(actual.err.contains(err_msg));
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let actual = nu!(r#"def 5gib = echo "test""#);
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assert!(actual.err.contains(err_msg));
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let actual = nu!("def ^foo [] {}");
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assert!(actual.err.contains(err_msg));
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}
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#[test]
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fn def_with_list() {
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Playground::setup("def_with_list", |dirs, _| {
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let data = r#"
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def e [
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param: list
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] {echo $param};
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"#;
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fs::write(dirs.root().join("def_test"), data).expect("Unable to write file");
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let actual = nu!(
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cwd: dirs.root(),
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"source def_test; e [one] | to json -r"
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);
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assert!(actual.out.contains(r#"one"#));
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})
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}
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#[test]
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fn def_with_default_list() {
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Playground::setup("def_with_default_list", |dirs, _| {
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let data = r#"
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def f [
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param: list = [one]
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] {echo $param};
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"#;
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fs::write(dirs.root().join("def_test"), data).expect("Unable to write file");
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let actual = nu!(
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cwd: dirs.root(),
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"source def_test; f | to json -r"
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);
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assert!(actual.out.contains(r#"["one"]"#));
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})
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}
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#[test]
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fn def_with_paren_params() {
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let actual = nu!("def foo (x: int, y: int) { $x + $y }; foo 1 2");
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assert_eq!(actual.out, "3");
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}
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#[test]
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fn def_default_value_shouldnt_restrict_explicit_type() {
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let actual = nu!("def foo [x: any = null] { $x }; foo 1");
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assert_eq!(actual.out, "1");
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let actual2 = nu!("def foo [--x: any = null] { $x }; foo --x 1");
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assert_eq!(actual2.out, "1");
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}
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#[test]
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fn def_default_value_should_restrict_implicit_type() {
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let actual = nu!("def foo [x = 3] { $x }; foo 3.0");
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assert!(actual.err.contains("expected int"));
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let actual2 = nu!("def foo2 [--x = 3] { $x }; foo2 --x 3.0");
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assert!(actual2.err.contains("expected int"));
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}
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#[test]
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fn def_wrapped_with_block() {
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let actual = nu!(
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"def --wrapped foo [...rest] { print ($rest | str join ',' ) }; foo --bar baz -- -q -u -x"
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);
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assert_eq!(actual.out, "--bar,baz,--,-q,-u,-x");
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}
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#[test]
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fn def_wrapped_from_module() {
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let actual = nu!(r#"module spam {
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export def --wrapped my-echo [...rest] { nu --testbin cococo ...$rest }
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}
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use spam
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spam my-echo foo -b -as -9 --abc -- -Dxmy=AKOO - bar
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"#);
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assert!(actual
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.out
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.contains("foo -b -as -9 --abc -- -Dxmy=AKOO - bar"));
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}
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#[test]
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fn def_cursed_env_flag_positions() {
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let actual = nu!("def spam --env [] { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual =
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nu!("def spam --env []: nothing -> nothing { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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}
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#[test]
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#[ignore = "TODO: Investigate why it's not working, it might be the signature parsing"]
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fn def_cursed_env_flag_positions_2() {
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let actual = nu!("def spam [] --env { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual = nu!("def spam [] { $env.SPAM = 'spam' } --env; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual =
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nu!("def spam []: nothing -> nothing { $env.SPAM = 'spam' } --env; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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}
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#[test]
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fn export_def_cursed_env_flag_positions() {
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let actual = nu!("export def spam --env [] { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual =
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nu!("export def spam --env []: nothing -> nothing { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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}
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#[test]
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#[ignore = "TODO: Investigate why it's not working, it might be the signature parsing"]
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fn export_def_cursed_env_flag_positions_2() {
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let actual = nu!("export def spam [] --env { $env.SPAM = 'spam' }; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual = nu!("export def spam [] { $env.SPAM = 'spam' } --env; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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let actual =
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nu!("export def spam []: nothing -> nothing { $env.SPAM = 'spam' } --env; spam; $env.SPAM");
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assert_eq!(actual.out, "spam");
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}
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#[test]
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fn def_cursed_wrapped_flag_positions() {
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let actual = nu!("def spam --wrapped [...rest] { $rest.0 }; spam --foo");
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assert_eq!(actual.out, "--foo");
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let actual = nu!("def spam --wrapped [...rest]: nothing -> nothing { $rest.0 }; spam --foo");
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assert_eq!(actual.out, "--foo");
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}
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#[test]
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#[ignore = "TODO: Investigate why it's not working, it might be the signature parsing"]
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fn def_cursed_wrapped_flag_positions_2() {
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let actual = nu!("def spam [...rest] --wrapped { $rest.0 }; spam --foo");
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assert_eq!(actual.out, "--foo");
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let actual = nu!("def spam [...rest] { $rest.0 } --wrapped; spam --foo");
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assert_eq!(actual.out, "--foo");
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let actual = nu!("def spam [...rest]: nothing -> nothing { $rest.0 } --wrapped; spam --foo");
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assert_eq!(actual.out, "--foo");
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}
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#[test]
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fn def_wrapped_missing_rest_error() {
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let actual = nu!("def --wrapped spam [] {}");
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assert!(actual.err.contains("missing_positional"))
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}
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#[test]
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fn def_wrapped_wrong_rest_type_error() {
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let actual = nu!("def --wrapped spam [...eggs: list<string>] { $eggs }");
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assert!(actual.err.contains("type_mismatch_help"));
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assert!(actual.err.contains("of ...eggs to 'string'"));
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}
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#[test]
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fn def_env_wrapped() {
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let actual = nu!(
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"def --env --wrapped spam [...eggs: string] { $env.SPAM = $eggs.0 }; spam bacon; $env.SPAM"
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);
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assert_eq!(actual.out, "bacon");
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}
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#[test]
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fn def_env_wrapped_no_help() {
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let actual = nu!("def --wrapped foo [...rest] { echo $rest }; foo -h | to json --raw");
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assert_eq!(actual.out, r#"["-h"]"#);
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}
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#[test]
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fn def_recursive_func_should_work() {
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let actual = nu!("def bar [] { let x = 1; ($x | foo) }; def foo [] { foo }");
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assert!(actual.err.is_empty());
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let actual = nu!(r#"
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def recursive [c: int] {
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if ($c == 0) { return }
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if ($c mod 2 > 0) {
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$in | recursive ($c - 1)
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} else {
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recursive ($c - 1)
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}
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}"#);
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assert!(actual.err.is_empty());
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}
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#[test]
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fn export_def_recursive_func_should_work() {
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let actual = nu!("export def bar [] { let x = 1; ($x | foo) }; export def foo [] { foo }");
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assert!(actual.err.is_empty());
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let actual = nu!(r#"
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export def recursive [c: int] {
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if ($c == 0) { return }
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if ($c mod 2 > 0) {
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$in | recursive ($c - 1)
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} else {
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recursive ($c - 1)
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}
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}"#);
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assert!(actual.err.is_empty());
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}
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