forked from extern/nushell
125 lines
2.5 KiB
Rust
125 lines
2.5 KiB
Rust
use nu_test_support::{nu, pipeline};
|
|
|
|
#[test]
|
|
fn reduce_table_column() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
echo "[{month:2,total:30}, {month:3,total:10}, {month:4,total:3}, {month:5,total:60}]"
|
|
| from json
|
|
| get total
|
|
| reduce -f 20 { |it, acc| $it + (math eval $"($acc)^1.05")}
|
|
| into string -d 1
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "180.6");
|
|
}
|
|
|
|
#[test]
|
|
fn reduce_table_column_with_path() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
[{month:2,total:30}, {month:3,total:10}, {month:4,total:3}, {month:5,total:60}]
|
|
| reduce -f 20 { |it, acc| $it.total + (math eval $"($acc)^1.05")}
|
|
| into string -d 1
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "180.6");
|
|
}
|
|
|
|
#[test]
|
|
fn reduce_rows_example() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
[[a,b]; [1,2] [3,4]]
|
|
| reduce -f 1.6 { |it, acc| $acc * ($it.a | into int) + ($it.b | into int) }
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "14.8");
|
|
}
|
|
|
|
// FIXME: jt: needs more work
|
|
#[ignore]
|
|
#[test]
|
|
fn reduce_numbered_example() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
echo one longest three bar
|
|
reduce -n { |it, acc| if ($it | str length) > ($acc | str length) {echo $it} else {echo $acc}}
|
|
| get index
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "1");
|
|
}
|
|
|
|
#[test]
|
|
fn reduce_numbered_integer_addition_example() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
echo [1 2 3 4]
|
|
| reduce -n { |it, acc| $acc + $it.item }
|
|
| get item
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "10");
|
|
}
|
|
|
|
#[test]
|
|
fn folding_with_tables() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
echo [10 20 30 40]
|
|
| reduce -f [] { |it, acc|
|
|
with-env [value $it] {
|
|
echo $acc | append (10 * ($env.value | into int))
|
|
}
|
|
}
|
|
| math sum
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert_eq!(actual.out, "1000");
|
|
}
|
|
|
|
#[test]
|
|
fn error_reduce_fold_type_mismatch() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
echo a b c | reduce -f 0 { |it, acc| $acc + $it }
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert!(actual.err.contains("mismatch"));
|
|
}
|
|
|
|
#[test]
|
|
fn error_reduce_empty() {
|
|
let actual = nu!(
|
|
cwd: ".", pipeline(
|
|
r#"
|
|
reduce { |it, acc| $acc + $it }
|
|
"#
|
|
)
|
|
);
|
|
|
|
assert!(actual.err.contains("needs input"));
|
|
}
|