forked from extern/nushell
169 lines
5.2 KiB
Rust
169 lines
5.2 KiB
Rust
use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
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use nu_test_support::playground::Playground;
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use nu_test_support::{nu, pipeline};
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#[test]
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fn flatten_nested_tables_with_columns() {
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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echo [[origin, people]; [Ecuador, $(= 'Andres' | wrap name)]]
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[[origin, people]; [Nu, $(= 'nuno' | wrap name)]]
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| flatten
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| get name
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| str collect ','
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"#
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));
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assert_eq!(actual.out, "Andres,nuno");
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}
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#[test]
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fn flatten_nested_tables_that_have_many_columns() {
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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echo [[origin, people]; [Ecuador, $(echo [[name, meal]; ['Andres', 'arepa']])]]
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[[origin, people]; [USA, $(echo [[name, meal]; ['Katz', 'nurepa']])]]
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| flatten
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| get meal
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| str collect ','
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"#
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));
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assert_eq!(actual.out, "arepa,nurepa");
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}
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#[test]
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fn flatten_nested_tables() {
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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echo [[Andrés, Nicolás, Robalino]] | flatten | nth 1
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"#
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));
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assert_eq!(actual.out, "Nicolás");
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}
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#[test]
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fn flatten_row_column_explictly() {
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Playground::setup("flatten_test_1", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"katz.json",
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r#"
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[
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{
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"origin": "Ecuador",
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"people": {
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"name": "Andres",
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"meal": "arepa"
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},
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"code": { "id": 1, "references": 2},
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"tags": ["carbohydrate", "corn", "maiz"],
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"city": ["Guayaquil", "Samborondón"]
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},
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{
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"origin": "USA",
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"people": {
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"name": "Katz",
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"meal": "nurepa"
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},
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"code": { "id": 2, "references": 1},
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"tags": ["carbohydrate", "shell food", "amigos flavor"],
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"city": ["Oregon", "Brooklin"]
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}
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]
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"#,
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)]);
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let actual = nu!(
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cwd: dirs.test(),
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"open katz.json | flatten people | where name == Andres | count"
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);
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assert_eq!(actual.out, "1");
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})
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}
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#[test]
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fn flatten_table_columns_explictly() {
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Playground::setup("flatten_test_2", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"katz.json",
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r#"
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[
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{
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"origin": "Ecuador",
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"people": {
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"name": "Andres",
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"meal": "arepa"
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},
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"code": { "id": 1, "references": 2},
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"tags": ["carbohydrate", "corn", "maiz"],
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"city": ["Guayaquil", "Samborondón"]
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},
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{
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"origin": "USA",
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"people": {
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"name": "Katz",
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"meal": "nurepa"
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},
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"code": { "id": 2, "references": 1},
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"tags": ["carbohydrate", "shell food", "amigos flavor"],
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"city": ["Oregon", "Brooklin"]
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}
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]
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"#,
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)]);
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let actual = nu!(
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cwd: dirs.test(),
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"open katz.json | flatten city | where people.name == Katz | count"
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);
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assert_eq!(actual.out, "2");
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})
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}
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#[test]
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fn flatten_more_than_one_column_that_are_subtables_not_supported() {
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Playground::setup("flatten_test_3", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"katz.json",
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r#"
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[
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{
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"origin": "Ecuador",
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"people": {
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"name": "Andres",
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"meal": "arepa"
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},
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"code": { "id": 1, "references": 2},
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"tags": ["carbohydrate", "corn", "maiz"],
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"city": ["Guayaquil", "Samborondón"]
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},
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{
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"origin": "USA",
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"people": {
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"name": "Katz",
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"meal": "nurepa"
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},
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"code": { "id": 2, "references": 1},
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"tags": ["carbohydrate", "shell food", "amigos flavor"],
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"city": ["Oregon", "Brooklin"]
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}
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]
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"#,
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)]);
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let actual = nu!(
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cwd: dirs.test(),
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"open katz.json | flatten tags city"
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);
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assert!(actual.err.contains("tried flattening"));
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assert!(actual.err.contains("but is flattened already"));
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})
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}
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