nushell/src/tests/test_table_operations.rs

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

#[test]
fn cell_path_subexpr1() -> TestResult {
    run_test("([[lang, gems]; [nu, 100]]).lang | get 0", "nu")
}

#[test]
fn cell_path_subexpr2() -> TestResult {
    run_test("([[lang, gems]; [nu, 100]]).lang.0", "nu")
}

#[test]
fn cell_path_var1() -> TestResult {
    run_test("let x = [[lang, gems]; [nu, 100]]; $x.lang | get 0", "nu")
}

#[test]
fn cell_path_var2() -> TestResult {
    run_test("let x = [[lang, gems]; [nu, 100]]; $x.lang.0", "nu")
}

#[test]
fn flatten_simple_list() -> TestResult {
    run_test("[[N, u, s, h, e, l, l]] | flatten", "N\nu\ns\nh\ne\nl\nl")
}

#[test]
fn flatten_get_simple_list() -> TestResult {
    run_test("[[N, u, s, h, e, l, l]] | flatten | get 0", "N")
}

#[test]
fn flatten_table_get() -> TestResult {
    run_test(
        "[[origin, people]; [Ecuador, ([[name, meal]; ['Andres', 'arepa']])]] | flatten | get meal",
        "arepa",
    )
}

#[test]
fn flatten_table_column_get_last() -> TestResult {
    run_test(
        "[[origin, crate, versions]; [World, ([[name]; ['nu-cli']]), ['0.21', '0.22']]] | flatten versions | last | get versions",
        "0.22",
    )
}

#[test]
fn get_table_columns_1() -> TestResult {
    run_test(
        "[[name, age, grade]; [paul,21,a]] | columns | first",
        "name",
    )
}

#[test]
fn get_table_columns_2() -> TestResult {
    run_test("[[name, age, grade]; [paul,21,a]] | columns | nth 1", "age")
}

#[test]
fn flatten_should_flatten_inner_table() -> TestResult {
    run_test(
        "[[[name, value]; [abc, 123]]] | flatten | get value.0",
        "123",
    )
}

#[test]
fn command_filter_reject_1() -> TestResult {
    run_test(
        "[[lang, gems]; [nu, 100]] | reject gems | to json",
        r#"[
  {
    "lang": "nu"
  }
]"#,
    )
}

#[test]
fn command_filter_reject_2() -> TestResult {
    run_test(
        "[[lang, gems, grade]; [nu, 100, a]] | reject gems grade | to json",
        r#"[
  {
    "lang": "nu"
  }
]"#,
    )
}

#[test]
fn command_filter_reject_3() -> TestResult {
    run_test(
        "[[lang, gems, grade]; [nu, 100, a]] | reject grade gems | to json",
        r#"[
  {
    "lang": "nu"
  }
]"#,
    )
}

#[test]
fn command_drop_column_1() -> TestResult {
    run_test(
        "[[lang, gems, grade]; [nu, 100, a]] | drop column 2 | to json",
        r#"[
  {
    "lang": "nu"
  }
]"#,
    )
}

#[test]
fn record_1() -> TestResult {
    run_test(r#"{'a': 'b'} | get a"#, "b")
}

#[test]
fn record_2() -> TestResult {
    run_test(r#"{'b': 'c'}.b"#, "c")
}

#[test]
fn where_on_ranges() -> TestResult {
    run_test(r#"1..10 | where $it > 8 | math sum"#, "19")
}

#[test]
fn index_on_list() -> TestResult {
    run_test(r#"[1, 2, 3].1"#, "2")
}

#[test]
fn update_cell_path_1() -> TestResult {
    run_test(
        r#"[[name, size]; [a, 1.1]] | into int size | get size.0"#,
        "1",
    )
}

#[test]
fn missing_column_error() -> TestResult {
    fail_test(
        r#"([([[name, size]; [ABC, 10], [DEF, 20]]).1, ([[name]; [HIJ]]).0]).size | table"#,
        "did you mean 'name'?",
    )
}

#[test]
fn string_cell_path() -> TestResult {
    run_test(
        r#"let x = "name"; [["name", "score"]; [a, b], [c, d]] | get $x | get 1"#,
        "c",
    )
}

#[test]
fn split_row() -> TestResult {
    run_test(r#""hello world" | split row " " | get 1"#, "world")
}

#[test]
fn split_column() -> TestResult {
    run_test(
        r#""hello world" | split column " " | get "Column1".0"#,
        "hello",
    )
}

#[test]
fn wrap() -> TestResult {
    run_test(r#"([1, 2, 3] | wrap foo).foo.1"#, "2")
}

#[test]
fn get() -> TestResult {
    run_test(
        r#"[[name, grade]; [Alice, A], [Betty, B]] | get grade.1"#,
        "B",
    )
}

#[test]
fn select() -> TestResult {
    run_test(
        r#"([[name, age]; [a, 1], [b, 2]]) | select name | get 1 | get name"#,
        "b",
    )
}

#[test]
fn update_will_insert() -> TestResult {
    run_test(r#"{} | update a b | get a"#, "b")
}

#[test]
fn length_for_columns() -> TestResult {
    run_test(
        r#"[[name,age,grade]; [bill,20,a] [a b c]] | length -c"#,
        "3",
    )
}

#[test]
fn length_for_rows() -> TestResult {
    run_test(r#"[[name,age,grade]; [bill,20,a] [a b c]] | length"#, "2")
}