nushell/src/tests/test_math.rs
JT 379e3d70ca
Better errors when bash-like operators are used (#7241)
# Description

Adds improved errors for when a user uses a bashism that nu doesn't
support.

fixes #7237 

Examples:

```
Error: nu::parser::shell_andand (link)

  × The '&&' operator is not supported in Nushell
   ╭─[entry #1:1:1]
 1 │ ls && ls
   ·    ─┬
   ·     ╰── instead of '&&', use ';' or 'and'
   ╰────
  help: use ';' instead of the shell '&&', or 'and' instead of the boolean '&&'
```

```
Error: nu::parser::shell_oror (link)

  × The '||' operator is not supported in Nushell
   ╭─[entry #8:1:1]
 1 │ ls || ls
   ·    ─┬
   ·     ╰── instead of '||', use 'try' or 'or'
   ╰────
  help: use 'try' instead of the shell '||', or 'or' instead of the boolean '||'
```

```
Error: nu::parser::shell_err (link)

  × The '2>' shell operation is 'err>' in Nushell.
   ╭─[entry #9:1:1]
 1 │ foo 2> bar.txt
   ·     ─┬
   ·      ╰── use 'err>' instead of '2>' in Nushell
   ╰────
```

```
Error: nu::parser::shell_outerr (link)

  × The '2>&1' shell operation is 'out+err>' in Nushell.
   ╭─[entry #10:1:1]
 1 │ foo 2>&1 bar.txt
   ·     ──┬─
   ·       ╰── use 'out+err>' instead of '2>&1' in Nushell
   ╰────
  help: Nushell redirection will write all of stdout before stderr.
```


# User-Facing Changes

**BREAKING CHANGES**

This removes the `&&` and `||` operators. We previously supported by
`&&`/`and` and `||`/`or`. With this change, only `and` and `or` are
valid boolean operators.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-08 12:02:11 +13:00

122 lines
1.9 KiB
Rust

use crate::tests::{fail_test, run_test, TestResult};
#[test]
fn add_simple() -> TestResult {
run_test("3 + 4", "7")
}
#[test]
fn add_simple2() -> TestResult {
run_test("3 + 4 + 9", "16")
}
#[test]
fn broken_math() -> TestResult {
fail_test("3 + ", "incomplete")
}
#[test]
fn modulo1() -> TestResult {
run_test("5 mod 2", "1")
}
#[test]
fn modulo2() -> TestResult {
run_test("5.25 mod 2", "1.25")
}
#[test]
fn bit_shr() -> TestResult {
run_test("16 bit-shr 1", "8")
}
#[test]
fn bit_shl() -> TestResult {
run_test("5 bit-shl 1", "10")
}
#[test]
fn bit_shl_add() -> TestResult {
run_test("2 bit-shl 1 + 2", "16")
}
#[test]
fn sub_bit_shr() -> TestResult {
run_test("10 - 2 bit-shr 2", "2")
}
#[test]
fn and() -> TestResult {
run_test("true and false", "false")
}
#[test]
fn or() -> TestResult {
run_test("true or false", "true")
}
#[test]
fn xor_1() -> TestResult {
run_test("false xor true", "true")
}
#[test]
fn xor_2() -> TestResult {
run_test("true xor true", "false")
}
#[test]
fn bit_xor() -> TestResult {
run_test("4 bit-xor 4", "0")
}
#[test]
fn bit_xor_add() -> TestResult {
run_test("4 bit-xor 2 + 2", "0")
}
#[test]
fn bit_and() -> TestResult {
run_test("2 bit-and 4", "0")
}
#[test]
fn bit_or() -> TestResult {
run_test("2 bit-or 4", "6")
}
#[test]
fn bit_and_or() -> TestResult {
run_test("2 bit-or 4 bit-and 1 + 2", "2")
}
#[test]
fn pow() -> TestResult {
run_test("3 ** 3", "27")
}
#[test]
fn contains() -> TestResult {
run_test("'testme' =~ 'test'", "true")
}
#[test]
fn not_contains() -> TestResult {
run_test("'testme' !~ 'test'", "false")
}
#[test]
fn floating_add() -> TestResult {
run_test("10.1 + 0.8", "10.9")
}
#[test]
fn precedence_of_or_groups() -> TestResult {
run_test(r#"4 mod 3 == 0 or 5 mod 5 == 0"#, "true")
}
#[test]
fn test_filesize_op() -> TestResult {
run_test("-5kb + 4.5kb", "-500 B")
}