nushell/crates/nu-cli/tests/commands/math/mod.rs
bailey-layzer 7532618bdc
Add error for division by zero using "=" (#2002) (#2030)
* error for division by zero with =

* cargo fmt

* add helper zero_division_error

* tests for zero division error

* fix test names (zero div error)
2020-06-22 08:50:43 +12:00

233 lines
4.1 KiB
Rust

mod avg;
mod median;
use nu_test_support::{nu, pipeline};
#[test]
fn one_arg() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1
"#
));
assert_eq!(actual.out, "1");
}
#[test]
fn add() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 + 1
"#
));
assert_eq!(actual.out, "2");
}
#[test]
fn add_compount() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 + 2 + 2
"#
));
assert_eq!(actual.out, "5");
}
#[test]
fn precedence_of_operators() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 + 2 * 2
"#
));
assert_eq!(actual.out, "5");
}
#[test]
fn precedence_of_operators2() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 + 2 * 2 + 1
"#
));
assert_eq!(actual.out, "6");
}
#[test]
fn division_of_ints() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 4 / 2
"#
));
assert_eq!(actual.out, "2");
}
#[test]
fn division_of_ints2() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 / 4
"#
));
assert_eq!(actual.out, "0.25");
}
#[test]
fn error_zero_division_int_int() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 / 0
"#
));
assert!(actual.err.contains("division by zero"));
}
#[test]
fn error_zero_division_decimal_int() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1.0 / 0
"#
));
assert!(actual.err.contains("division by zero"));
}
#[test]
fn error_zero_division_int_decimal() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1 / 0.0
"#
));
assert!(actual.err.contains("division by zero"));
}
#[test]
fn error_zero_division_decimal_decimal() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1.0 / 0.0
"#
));
assert!(actual.err.contains("division by zero"));
}
#[test]
fn proper_precedence_history() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 2 / 2 / 2 + 1
"#
));
assert_eq!(actual.out, "1.5");
}
#[test]
fn parens_precedence() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 4 * (6 - 3)
"#
));
assert_eq!(actual.out, "12");
}
#[test]
fn duration_math() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 1w + 1d
"#
));
assert_eq!(actual.out, "8:00:00:00");
}
#[test]
fn it_math() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo 1020 | = $it + 10
"#
));
assert_eq!(actual.out, "1030");
}
#[test]
fn compound_comparison() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 4 > 3 && 2 > 1
"#
));
assert_eq!(actual.out, "true");
}
#[test]
fn compound_comparison2() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
= 4 < 3 || 2 > 1
"#
));
assert_eq!(actual.out, "true");
}
#[test]
fn compound_where() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo '[{"a": 1, "b": 1}, {"a": 2, "b": 1}, {"a": 2, "b": 2}]' | from json | where a == 2 && b == 1 | to json
"#
));
assert_eq!(actual.out, r#"{"a":2,"b":1}"#);
}
#[test]
fn compound_where_paren() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo '[{"a": 1, "b": 1}, {"a": 2, "b": 1}, {"a": 2, "b": 2}]' | from json | where (a == 2 && b == 1) || b == 2 | to json
"#
));
assert_eq!(actual.out, r#"[{"a":2,"b":1},{"a":2,"b":2}]"#);
}