nushell/crates/nu-cli/tests/commands/where_.rs
2020-03-21 11:02:49 +13:00

131 lines
2.8 KiB
Rust

use nu_test_support::{nu, pipeline};
#[test]
fn filters_by_unit_size_comparison() {
let actual = nu!(
cwd: "tests/fixtures/formats",
"ls | where size > 1kb | sort-by size | get name | first 1 | trim | echo $it"
);
assert_eq!(actual, "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 | where foo > 1 | get foo | sum | echo $it"#
);
assert_eq!(actual, "7");
}
#[test]
fn binary_operator_comparisons() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == ints
| get table_values
| first 4
| where z > 4200
| get z
| echo $it
"#
));
assert_eq!(actual, "4253");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == ints
| get table_values
| first 4
| where z >= 4253
| get z
| echo $it
"#
));
assert_eq!(actual, "4253");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == ints
| get table_values
| first 4
| where z < 10
| get z
| echo $it
"#
));
assert_eq!(actual, "1");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == ints
| get table_values
| first 4
| where z <= 1
| get z
| echo $it
"#
));
assert_eq!(actual, "1");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == ints
| get table_values
| where z != 1
| first 1
| get z
| echo $it
"#
));
assert_eq!(actual, "42");
}
#[test]
fn contains_operator() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == strings
| get table_values
| where x =~ ell
| count
| echo $it
"#
));
assert_eq!(actual, "4");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open sample.db
| where table_name == strings
| get table_values
| where x !~ ell
| count
| echo $it
"#
));
assert_eq!(actual, "2");
}