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Implement histogram command (#5518)

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* finish histogram

* adjust comment

* add test for histogram

* add Date to test

* move hashable value back inside chart package
This commit is contained in:
WindSoilder
2022-05-13 19:48:47 +08:00
committed by GitHub
parent 06f40405fe
commit 852de79212
7 changed files with 640 additions and 15 deletions
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71
crates/nu-command/tests/commands/histogram.rs
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@ -2,10 +2,40 @@ use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
// FIXME: jt: needs more work
#[ignore]
#[test]
fn summarizes_by_column_given() {
Playground::setup("histogram_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.csv",
r#"
first_name,last_name,rusty_at
Andrés,Robalino,Ecuador
Jonathan,Turner,Estados Unidos
Yehuda,Katz,Estados Unidos
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| histogram rusty_at countries --percentage-type relative
| where rusty_at == "Ecuador"
| get countries
| get 0
"#
));
assert_eq!(
actual.out,
"**************************************************"
);
// 50%
})
}
#[test]
fn summarizes_by_column_given_with_normalize_percentage() {
Playground::setup("histogram_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.csv",
@ -24,19 +54,15 @@ fn summarizes_by_column_given() {
| histogram rusty_at countries
| where rusty_at == "Ecuador"
| get countries
| get 0
"#
));
assert_eq!(
actual.out,
"**************************************************"
);
// 50%
assert_eq!(actual.out, "*********************************");
// 33%
})
}
// FIXME: jt: needs more work
#[ignore]
#[test]
fn summarizes_by_values() {
Playground::setup("histogram_test_2", |dirs, sandbox| {
@ -58,6 +84,7 @@ fn summarizes_by_values() {
| histogram
| where value == "Estados Unidos"
| get count
| get 0
"#
));
@ -65,8 +92,6 @@ fn summarizes_by_values() {
})
}
// FIXME: jt: needs more work
#[ignore]
#[test]
fn help() {
Playground::setup("histogram_test_3", |dirs, _sandbox| {
@ -96,22 +121,38 @@ fn help() {
})
}
// FIXME: jt: needs more work
#[ignore]
#[test]
fn count() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [[bit]; [1] [0] [0] [0] [0] [0] [0] [1]]
| histogram bit
| histogram bit --percentage-type relative
| sort-by count
| reject frequency
| to json
"#
));
let bit_json = r#"[{"bit":"1","count":2,"percentage":"33.33%"},{"bit":"0","count":6,"percentage":"100.00%"}]"#;
let bit_json = r#"[ { "bit": 1, "count": 2, "percentage": "33.33%" }, { "bit": 0, "count": 6, "percentage": "100.00%" }]"#;
assert_eq!(actual.out, bit_json);
}
#[test]
fn count_with_normalize_percentage() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [[bit]; [1] [0] [0] [0] [0] [0] [0] [1]]
| histogram bit --percentage-type normalize
| sort-by count
| reject frequency
| to json
"#
));
let bit_json = r#"[ { "bit": 1, "count": 2, "percentage": "25.00%" }, { "bit": 0, "count": 6, "percentage": "75.00%" }]"#;
assert_eq!(actual.out, bit_json);
}