forked from extern/nushell
97 lines
2.5 KiB
Rust
97 lines
2.5 KiB
Rust
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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 adds_value_provided_if_column_is_empty() {
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Playground::setup("is_empty_test_1", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"likes.csv",
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r#"
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first_name,last_name,rusty_at,likes
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Andrés,Robalino,10/11/2013,1
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Jonathan,Turner,10/12/2013,1
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Jason,Gedge,10/11/2013,1
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Yehuda,Katz,10/11/2013,
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"#,
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)]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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r#"
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open likes.csv
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| empty? likes 1
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| get likes
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| sum
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| echo $it
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"#
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));
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assert_eq!(actual, "4");
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})
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}
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#[test]
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fn adds_value_provided_for_columns_that_are_empty() {
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Playground::setup("is_empty_test_2", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"checks.json",
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r#"
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[
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{"boost": 1, "check": []},
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{"boost": 1, "check": ""},
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{"boost": 1, "check": {}},
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{"boost": null, "check": ["" {} [] ""]}
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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(), pipeline(
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r#"
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open checks.json
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| empty? boost check 1
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| get boost check
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| sum
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| echo $it
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"#
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));
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assert_eq!(actual, "8");
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})
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}
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#[test]
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fn value_emptiness_check() {
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Playground::setup("is_empty_test_3", |dirs, sandbox| {
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sandbox.with_files(vec![FileWithContentToBeTrimmed(
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"checks.json",
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r#"
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{
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"are_empty": [
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{"check": []},
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{"check": ""},
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{"check": {}},
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{"check": ["" {} [] ""]}
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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(), pipeline(
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r#"
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open checks.json
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| get are_empty.check
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| empty?
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| where $it
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| count
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| echo $it
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"#
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));
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assert_eq!(actual, "4");
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})
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}
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