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

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2019-12-17 19:54:39 +01:00
use nu_test_support::{nu, pipeline};
#[test]
fn sets_the_column() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open cargo_sample.toml
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| update dev-dependencies.pretty_assertions "0.7.0"
| get dev-dependencies.pretty_assertions
"#
));
assert_eq!(actual.out, "0.7.0");
}
#[test]
fn doesnt_convert_record_to_table() {
let actual = nu!(
cwd: ".", r#"{a:1} | update a 2 | to nuon"#
);
assert_eq!(actual.out, "{a: 2}");
}
#[cfg(features = "inc")]
#[test]
fn sets_the_column_from_a_block_run_output() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open cargo_sample.toml
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| update dev-dependencies.pretty_assertions { open cargo_sample.toml | get dev-dependencies.pretty_assertions | inc --minor }
| get dev-dependencies.pretty_assertions
"#
));
assert_eq!(actual.out, "0.7.0");
}
#[test]
fn sets_the_column_from_a_block_full_stream_output() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
{content: null}
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| update content { open --raw cargo_sample.toml | lines | first 5 }
| get content.1
| str contains "nu"
"#
));
assert_eq!(actual.out, "true");
}
#[test]
fn sets_the_column_from_a_subexpression() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
{content: null}
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| update content (open --raw cargo_sample.toml | lines | first 5)
| get content.1
| str contains "nu"
"#
));
assert_eq!(actual.out, "true");
}
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#[test]
fn upsert_column_missing() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open cargo_sample.toml
| update dev-dependencies.new_assertions "0.7.0"
"#
));
assert!(actual.err.contains("cannot find column"));
}
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#[test]
fn update_list() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | update 1 abc | to json -r
"#
));
assert_eq!(actual.out, r#"[1,"abc",3]"#);
}
#[test]
fn update_past_end_list() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | update 5 abc | to json -r
"#
));
assert!(actual.err.contains("too large"));
}
#[test]
fn update_nonexistent_column() {
let actual = nu!(
cwd: ".", pipeline(
r#"{a:1} | update b 2"#
));
assert!(actual.err.contains("cannot find column 'b'"));
}
#[test]
fn update_uses_enumerate_index() {
let actual = nu!(
cwd: ".", pipeline(
r#"[[a]; [7] [6]] | enumerate | update item.a {|el| $el.index + 1 + $el.item.a } | flatten | to nuon"#
));
assert_eq!(actual.out, "[[index, a]; [0, 8], [1, 8]]");
}