nushell/crates/nu-command/tests/commands/where_.rs

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use nu_test_support::nu;
use nu_test_support::pipeline;
#[test]
fn filters_by_unit_size_comparison() {
let actual = nu!(
cwd: "tests/fixtures/formats",
"ls | where size > 1kib | sort-by size | get name | first 1 | str trim"
);
assert_eq!(actual.out, "cargo_sample.toml");
}
#[test]
fn filters_with_nothing_comparison() {
let actual = nu!(
cwd: "tests/fixtures/formats",
r#"echo '[{"foo": 3}, {"foo": null}, {"foo": 4}]' | from json | get foo | compact | where $it > 1 | math sum"#
);
assert_eq!(actual.out, "7");
}
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#[test]
fn where_in_table() {
let actual = nu!(
cwd: "tests/fixtures/formats",
r#"echo '[{"name": "foo", "size": 3}, {"name": "foo", "size": 2}, {"name": "bar", "size": 4}]' | from json | where name in ["foo"] | get size | math sum"#
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);
assert_eq!(actual.out, "5");
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}
#[test]
fn where_not_in_table() {
let actual = nu!(
cwd: "tests/fixtures/formats",
r#"echo '[{"name": "foo", "size": 3}, {"name": "foo", "size": 2}, {"name": "bar", "size": 4}]' | from json | where name not-in ["foo"] | get size | math sum"#
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);
assert_eq!(actual.out, "4");
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}
#[cfg(feature = "database")]
#[test]
fn binary_operator_comparisons() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get ints
| first 4
| where z > 4200
| get z.0
"#
));
assert_eq!(actual.out, "4253");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get ints
| first 4
| where z >= 4253
| get z.0
"#
));
assert_eq!(actual.out, "4253");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get ints
| first 4
| where z < 10
| get z.0
"#
));
assert_eq!(actual.out, "1");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get ints
| first 4
| where z <= 1
| get z.0
"#
));
assert_eq!(actual.out, "1");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get ints
| where z != 1
| first 1
| get z
"#
));
assert_eq!(actual.out, "42");
}
#[cfg(feature = "database")]
#[test]
fn contains_operator() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get strings
| where x =~ ell
| length
"#
));
assert_eq!(actual.out, "4");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| get strings
| where x !~ ell
| length
"#
));
assert_eq!(actual.out, "2");
}