nushell/src/tests/test_engine.rs

use crate::tests::{fail_test, run_test, TestResult};

#[test]
fn concrete_variable_assignment() -> TestResult {
    run_test(
        "let x = (1..100 | each { |y| $y + 100 }); let y = ($x | length); $x | length",
        "100",
    )
}

#[test]
fn proper_shadow() -> TestResult {
    run_test("let x = 10; let x = $x + 9; $x", "19")
}

#[test]
fn config_filesize_format_with_metric_true() -> TestResult {
    // Note: this tests both the config variable and that it is properly captured into a block
    run_test(
        r#"let config = {"filesize_metric": $true "filesize_format": "kib" }; do { 40kb | into string } "#,
        "39.1 KiB",
    )
}

#[test]
fn config_filesize_format_with_metric_false_kib() -> TestResult {
    // Note: this tests both the config variable and that it is properly captured into a block
    run_test(
        r#"let config = {"filesize_metric": $false "filesize_format": "kib" }; do { 40kb | into string } "#,
        "39.1 KiB",
    )
}

#[test]
fn config_filesize_format_with_metric_false_kb() -> TestResult {
    // Note: this tests both the config variable and that it is properly captured into a block
    run_test(
        r#"let config = {"filesize_metric": $false "filesize_format": "kb" }; do { 40kb | into string } "#,
        "40.0 KB",
    )
}

#[test]
fn in_variable_1() -> TestResult {
    run_test(r#"[3] | if $in.0 > 4 { "yay!" } else { "boo" }"#, "boo")
}

#[test]
fn in_variable_2() -> TestResult {
    run_test(r#"3 | if $in > 2 { "yay!" } else { "boo" }"#, "yay!")
}

#[test]
fn in_variable_3() -> TestResult {
    run_test(r#"3 | if $in > 4 { "yay!" } else { $in }"#, "3")
}

#[test]
fn in_variable_4() -> TestResult {
    run_test(r#"3 | do { $in }"#, "3")
}

#[test]
fn in_variable_5() -> TestResult {
    run_test(r#"3 | if $in > 2 { $in - 10 } else { $in * 10 }"#, "-7")
}

#[test]
fn in_variable_6() -> TestResult {
    run_test(r#"3 | if $in > 6 { $in - 10 } else { $in * 10 }"#, "30")
}

#[test]
fn help_works_with_missing_requirements() -> TestResult {
    run_test(r#"each --help | lines | length"#, "15")
}

#[test]
fn scope_variable() -> TestResult {
    run_test(r#"let x = 3; $scope.vars.'$x'"#, "int")
}

#[test]
fn earlier_errors() -> TestResult {
    fail_test(
        r#"[1, "bob"] | each { $it + 3 } | each { $it / $it } | table"#,
        "int",
    )
}