use nu_test_support::fs::Stub::FileWithContentToBeTrimmed; use nu_test_support::playground::Playground; use nu_test_support::{nu, pipeline}; #[test] fn rows() { Playground::setup("take_test_1", |dirs, sandbox| { sandbox.with_files(vec![FileWithContentToBeTrimmed( "caballeros.csv", r#" name,lucky_code Andrés,1 JT,1 Jason,2 Yehuda,1 "#, )]); let actual = nu!( cwd: dirs.test(), pipeline( r#" open caballeros.csv | take 3 | get lucky_code | math sum "# )); assert_eq!(actual.out, "4"); }) } #[test] fn rows_with_no_arguments_should_lead_to_error() { Playground::setup("take_test_2", |dirs, _sandbox| { let actual = nu!( cwd: dirs.test(), pipeline( r#"[1 2 3] | take"# )); assert!(actual.err.contains("missing_positional")); }) } #[test] fn fails_on_string() { let actual = nu!( cwd: ".", pipeline( r#" "foo bar" | take 2 "# )); assert!(actual.err.contains("command doesn't support")); } #[test] // covers a situation where `take` used to behave strangely on list input fn works_with_binary_list() { let actual = nu!( cwd: ".", pipeline( r#" ([0x[01 11]] | take 1 | get 0) == 0x[01 11] "# )); assert_eq!(actual.out, "true"); }