empty? rewrite. (#2641)

This commit is contained in:
Andrés N. Robalino
2020-10-06 05:21:20 -05:00
committed by GitHub
parent df07be6a42
commit 5d945ef869
12 changed files with 498 additions and 338 deletions

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@ -0,0 +1,86 @@
use nu_test_support::{nu, pipeline};
#[test]
fn reports_emptiness() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [[are_empty];
[$(= [[check]; [[]] ])]
[$(= [[check]; [""] ])]
[$(= [[check]; [$(wrap)] ])]
]
| get are_empty
| empty? check
| where check
| count
"#
));
assert_eq!(actual.out, "3");
}
#[test]
fn sets_block_run_value_for_an_empty_column() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ first_name, last_name, rusty_at, likes ];
[ Andrés, Robalino, 10/11/2013, 1 ]
[ Jonathan, Turner, 10/12/2013, 1 ]
[ Jason, Gedge, 10/11/2013, 1 ]
[ Yehuda, Katz, 10/11/2013, '' ]
]
| empty? likes { = 1 }
| get likes
| math sum
"#
));
assert_eq!(actual.out, "4");
}
#[test]
fn sets_block_run_value_for_many_empty_columns() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ boost check ];
[ 1, [] ]
[ 1, "" ]
[ 1, $(wrap) ]
]
| empty? boost check { = 1 }
| get boost check
| math sum
"#
));
assert_eq!(actual.out, "6");
}
#[test]
fn passing_a_block_will_set_contents_on_empty_cells_and_leave_non_empty_ones_untouched() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ NAME, LVL, HP ];
[ Andrés, 30, 3000 ]
[ Alistair, 29, 2900 ]
[ Arepas, "", "" ]
[ Jorge, 30, 3000 ]
]
| empty? LVL { = 9 }
| empty? HP {
get LVL | = $it * 1000
}
| math sum
| get HP
"#
));
assert_eq!(actual.out, "17900");
}

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@ -1,94 +0,0 @@
use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
#[test]
fn adds_value_provided_if_column_is_empty() {
Playground::setup("is_empty_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"likes.csv",
r#"
first_name,last_name,rusty_at,likes
Andrés,Robalino,10/11/2013,1
Jonathan,Turner,10/12/2013,1
Jason,Gedge,10/11/2013,1
Yehuda,Katz,10/11/2013,
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open likes.csv
| empty? likes 1
| get likes
| math sum
| echo $it
"#
));
assert_eq!(actual.out, "4");
})
}
#[test]
fn adds_value_provided_for_columns_that_are_empty() {
Playground::setup("is_empty_test_2", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"checks.json",
r#"
[
{"boost": 1, "check": []},
{"boost": 1, "check": ""},
{"boost": 1, "check": {}}
]
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open checks.json
| empty? boost check 1
| get boost check
| math sum
| echo $it
"#
));
assert_eq!(actual.out, "6");
})
}
#[test]
fn value_emptiness_check() {
Playground::setup("is_empty_test_3", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"checks.json",
r#"
{
"are_empty": [
{"check": []},
{"check": ""},
{"check": {}}
]
}
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open checks.json
| get are_empty.check
| empty?
| where $it
| count
| echo $it
"#
));
assert_eq!(actual.out, "3");
})
}

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@ -12,6 +12,7 @@ mod default;
mod drop;
mod each;
mod echo;
mod empty;
mod enter;
mod every;
mod first;
@ -22,7 +23,6 @@ mod headers;
mod histogram;
mod insert;
mod into_int;
mod is_empty;
mod keep;
mod last;
mod lines;