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https://github.com/nushell/nushell.git
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d7014e671d
# Description Fixes: #13967 The key changes lays in `nu-protocol/src/module.rs`, when resolving import pattern, nushell only needs to bring `$module` with a record value if it defines any constants. # User-Facing Changes ```nushell module spam {} use spam ``` Will no longer create a `$spam` variable with an empty record. # Tests + Formatting Adjusted some tests and added some tests.
437 lines
11 KiB
Rust
437 lines
11 KiB
Rust
use nu_test_support::nu;
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use pretty_assertions::assert_eq;
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use rstest::rstest;
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const MODULE_SETUP: &str = r#"
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module spam {
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export const X = 'x'
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export module eggs {
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export const E = 'e'
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export module bacon {
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export const viking = 'eats'
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export module none {}
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}
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}
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}
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"#;
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#[test]
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fn const_bool() {
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let inp = &["const x = false", "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "false");
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}
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#[test]
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fn const_int() {
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let inp = &["const x = 10", "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "10");
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}
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#[test]
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fn const_float() {
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let inp = &["const x = 1.234", "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "1.234");
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}
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#[test]
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fn const_binary() {
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let inp = &["const x = 0x[12]", "$x"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.out.contains("12"));
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}
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#[test]
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fn const_datetime() {
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let inp = &["const x = 2021-02-27T13:55:40+00:00", "$x"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.out.contains("Sat, 27 Feb 2021 13:55:40"));
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}
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#[test]
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fn const_list() {
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let inp = &["const x = [ a b c ]", "$x | describe"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "list<string>");
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}
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#[test]
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fn const_record() {
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let inp = &["const x = { a: 10, b: 20, c: 30 }", "$x | describe"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "record<a: int, b: int, c: int>");
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}
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#[test]
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fn const_table() {
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let inp = &[
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"const x = [[a b c]; [10 20 30] [100 200 300]]",
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"$x | describe",
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];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "table<a: int, b: int, c: int>");
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}
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#[test]
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fn const_invalid_table() {
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let inp = &["const x = [[a b a]; [10 20 30] [100 200 300]]"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.err.contains("column_defined_twice"));
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}
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#[test]
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fn const_string() {
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let inp = &[r#"const x = "abc""#, "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "abc");
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}
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#[test]
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fn const_string_interpolation_var() {
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let actual = nu!(r#"const x = 2; const s = $"($x)"; $s"#);
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assert_eq!(actual.out, "2");
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}
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#[test]
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fn const_string_interpolation_date() {
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let actual = nu!(r#"const s = $"(2021-02-27T13:55:40+00:00)"; $s"#);
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assert!(actual.out.contains("Sat, 27 Feb 2021 13:55:40 +0000"));
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}
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#[test]
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fn const_string_interpolation_filesize() {
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let actual = nu!(r#"const s = $"(2kb)"; $s"#);
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assert_eq!(actual.out, "2.0 KiB");
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}
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#[test]
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fn const_nothing() {
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let inp = &["const x = null", "$x | describe"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "nothing");
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}
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#[rstest]
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#[case(&["const x = not false", "$x"], "true")]
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#[case(&["const x = false", "const y = not $x", "$y"], "true")]
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#[case(&["const x = not false", "const y = not $x", "$y"], "false")]
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fn const_unary_operator(#[case] inp: &[&str], #[case] expect: &str) {
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, expect);
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}
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#[rstest]
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#[case(&["const x = 1 + 2", "$x"], "3")]
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#[case(&["const x = 1 * 2", "$x"], "2")]
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#[case(&["const x = 4 / 2", "$x"], "2")]
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#[case(&["const x = 4 mod 3", "$x"], "1")]
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#[case(&["const x = 5.0 / 2.0", "$x"], "2.5")]
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#[case(&[r#"const x = "a" + "b" "#, "$x"], "ab")]
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#[case(&[r#"const x = "a" ++ "b" "#, "$x"], "ab")]
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#[case(&[r#"const x = [1,2] ++ [3]"#, "$x | describe"], "list<int>")]
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#[case(&[r#"const x = 0x[1,2] ++ 0x[3]"#, "$x | describe"], "binary")]
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#[case(&[r#"const x = 0x[1,2] ++ [3]"#, "$x | describe"], "list<any>")]
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#[case(&["const x = 1 < 2", "$x"], "true")]
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#[case(&["const x = (3 * 200) > (2 * 100)", "$x"], "true")]
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#[case(&["const x = (3 * 200) < (2 * 100)", "$x"], "false")]
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#[case(&["const x = (3 * 200) == (2 * 300)", "$x"], "true")]
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fn const_binary_operator(#[case] inp: &[&str], #[case] expect: &str) {
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, expect);
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}
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#[rstest]
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#[case(&["const x = 1 / 0", "$x"], "division by zero")]
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#[case(&["const x = 10 ** 10000000", "$x"], "pow operation overflowed")]
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#[case(&["const x = 2 ** 62 * 2", "$x"], "multiply operation overflowed")]
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#[case(&["const x = 1 ++ 0", "$x"], "doesn't support this value")]
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fn const_operator_error(#[case] inp: &[&str], #[case] expect: &str) {
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let actual = nu!(&inp.join("; "));
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assert!(actual.err.contains(expect));
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}
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#[rstest]
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#[case(&["const x = (1..3)", "$x | math sum"], "6")]
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#[case(&["const x = (1..3)", "$x | describe"], "range")]
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fn const_range(#[case] inp: &[&str], #[case] expect: &str) {
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, expect);
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}
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#[test]
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fn const_subexpression_supported() {
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let inp = &["const x = ('spam')", "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "spam");
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}
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#[test]
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fn const_command_supported() {
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let inp = &["const x = ('spam' | str length)", "$x"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "4");
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}
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#[test]
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fn const_command_unsupported() {
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let inp = &["const x = (loop { break })"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.err.contains("not_a_const_command"));
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}
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#[test]
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fn const_in_scope() {
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let inp = &["do { const x = 'x'; $x }"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "x");
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}
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#[test]
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fn not_a_const_help() {
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let actual = nu!("const x = ('abc' | str length -h)");
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assert!(actual.err.contains("not_a_const_help"));
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}
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#[test]
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fn complex_const_export() {
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let inp = &[MODULE_SETUP, "use spam", "$spam.X"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "x");
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let inp = &[MODULE_SETUP, "use spam", "$spam.eggs.E"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "e");
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let inp = &[MODULE_SETUP, "use spam", "$spam.eggs.bacon.viking"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "eats");
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let inp = &[MODULE_SETUP, "use spam", "'none' in $spam.eggs.bacon"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "false");
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}
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#[test]
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fn only_nested_module_have_const() {
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let setup = r#"
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module spam {
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export module eggs {
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export module bacon {
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export const viking = 'eats'
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export module none {}
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}
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}
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}
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"#;
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let inp = &[setup, "use spam", "$spam.eggs.bacon.viking"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "eats");
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let inp = &[setup, "use spam", "'none' in $spam.eggs.bacon"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "false");
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}
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#[test]
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fn complex_const_glob_export() {
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let inp = &[MODULE_SETUP, "use spam *", "$X"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "x");
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let inp = &[MODULE_SETUP, "use spam *", "$eggs.E"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "e");
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let inp = &[MODULE_SETUP, "use spam *", "$eggs.bacon.viking"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "eats");
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let inp = &[MODULE_SETUP, "use spam *", "'none' in $eggs.bacon"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "false");
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}
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#[test]
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fn complex_const_drill_export() {
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let inp = &[MODULE_SETUP, "use spam eggs bacon none", "$none"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.err.contains("variable not found"));
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}
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#[test]
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fn complex_const_list_export() {
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let inp = &[
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MODULE_SETUP,
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"use spam [X eggs]",
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"[$X $eggs.E] | str join ''",
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];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "xe");
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}
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#[test]
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fn exported_const_is_const() {
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let module1 = "module foo {
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export def main [] { 'foo' }
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}";
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let module2 = "module spam {
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export const MOD_NAME = 'foo'
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}";
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let inp = &[module1, module2, "use spam", "use $spam.MOD_NAME", "foo"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "foo");
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}
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#[test]
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fn const_captures_work() {
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let module = "module spam {
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export const X = 'x'
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const Y = 'y'
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export-env { $env.SPAM = $X + $Y }
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export def main [] { $X + $Y }
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}";
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let inp = &[module, "use spam", "$env.SPAM"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "xy");
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let inp = &[module, "use spam", "spam"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "xy");
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}
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#[test]
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fn const_captures_in_closures_work() {
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let module = "module foo {
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const a = 'world'
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export def bar [] {
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'hello ' + $a
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}
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}";
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let inp = &[module, "use foo", "do { foo bar }"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "hello world");
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}
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#[ignore = "TODO: Need to fix `overlay hide` to hide the constants brought by `overlay use`"]
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#[test]
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fn complex_const_overlay_use_hide() {
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let inp = &[MODULE_SETUP, "overlay use spam", "$X"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "x");
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let inp = &[MODULE_SETUP, "overlay use spam", "$eggs.E"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "e");
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let inp = &[MODULE_SETUP, "overlay use spam", "$eggs.bacon.viking"];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "eats");
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let inp = &[
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MODULE_SETUP,
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"overlay use spam",
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"($eggs.bacon.none | is-empty)",
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];
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let actual = nu!(&inp.join("; "));
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assert_eq!(actual.out, "true");
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let inp = &[MODULE_SETUP, "overlay use spam", "overlay hide", "$eggs"];
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let actual = nu!(&inp.join("; "));
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assert!(actual.err.contains("nu::parser::variable_not_found"));
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}
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// const implementations of commands without dedicated tests
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#[test]
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fn describe_const() {
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let actual = nu!("const x = ('abc' | describe); $x");
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assert_eq!(actual.out, "string");
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}
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#[test]
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fn ignore_const() {
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let actual = nu!(r#"const x = ("spam" | ignore); $x == null"#);
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assert_eq!(actual.out, "true");
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}
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#[test]
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fn version_const() {
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let actual = nu!("const x = (version); $x");
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assert!(actual.err.is_empty());
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}
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#[test]
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fn if_const() {
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let actual = nu!("const x = (if 2 < 3 { 'yes!' }); $x");
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assert_eq!(actual.out, "yes!");
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let actual = nu!("const x = (if 5 < 3 { 'yes!' } else { 'no!' }); $x");
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assert_eq!(actual.out, "no!");
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let actual =
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nu!("const x = (if 5 < 3 { 'yes!' } else if 4 < 5 { 'no!' } else { 'okay!' }); $x");
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assert_eq!(actual.out, "no!");
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}
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#[test]
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fn const_glob_type() {
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let actual = nu!("const x: glob = 'aa'; $x | describe");
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assert_eq!(actual.out, "glob");
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}
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#[test]
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fn const_raw_string() {
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let actual = nu!(r#"const x = r#'abcde""fghi"''''jkl'#; $x"#);
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assert_eq!(actual.out, r#"abcde""fghi"''''jkl"#);
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let actual = nu!(r#"const x = r##'abcde""fghi"''''#jkl'##; $x"#);
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assert_eq!(actual.out, r#"abcde""fghi"''''#jkl"#);
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let actual = nu!(r#"const x = r###'abcde""fghi"'''##'#jkl'###; $x"#);
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assert_eq!(actual.out, r#"abcde""fghi"'''##'#jkl"#);
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let actual = nu!(r#"const x = r#'abc'#; $x"#);
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assert_eq!(actual.out, "abc");
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}
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#[test]
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fn const_takes_pipeline() {
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let actual = nu!(r#"const list = 'bar_baz_quux' | split row '_'; $list | length"#);
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assert_eq!(actual.out, "3");
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}
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