nushell/src/tests/test_conditionals.rs
JT fa15a2856a
Add OneOf shape to fix else (#7385)
# Description

fixes #7384 

This is a stop-gap fix until we remove type-directed parsing. With this,
you can create a `OneOf` shape that can be one of a list of syntax
shapes. This gives you a little more control than you get with `Any`,
allowing you to add `Block` without breaking other parsing rules.

# User-Facing Changes

`else` block will no longer capture variables as it will now use a block
instead of a closure.

# 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 08:58:54 +13:00

77 lines
1.4 KiB
Rust

use crate::tests::{run_test, TestResult};
#[test]
fn if_test1() -> TestResult {
run_test("if true { 10 } else { 20 } ", "10")
}
#[test]
fn if_test2() -> TestResult {
run_test("if false { 10 } else { 20 } ", "20")
}
#[test]
fn simple_if() -> TestResult {
run_test("if true { 10 } ", "10")
}
#[test]
fn simple_if2() -> TestResult {
run_test("if false { 10 } ", "")
}
#[test]
fn if_cond() -> TestResult {
run_test("if 2 < 3 { 3 } ", "3")
}
#[test]
fn if_cond2() -> TestResult {
run_test("if 2 > 3 { 3 } ", "")
}
#[test]
fn if_cond3() -> TestResult {
run_test("if 2 < 3 { 5 } else { 4 } ", "5")
}
#[test]
fn if_cond4() -> TestResult {
run_test("if 2 > 3 { 5 } else { 4 } ", "4")
}
#[test]
fn if_elseif1() -> TestResult {
run_test("if 2 > 3 { 5 } else if 6 < 7 { 4 } ", "4")
}
#[test]
fn if_elseif2() -> TestResult {
run_test("if 2 < 3 { 5 } else if 6 < 7 { 4 } else { 8 } ", "5")
}
#[test]
fn if_elseif3() -> TestResult {
run_test("if 2 > 3 { 5 } else if 6 > 7 { 4 } else { 8 } ", "8")
}
#[test]
fn if_elseif4() -> TestResult {
run_test("if 2 > 3 { 5 } else if 6 < 7 { 4 } else { 8 } ", "4")
}
#[test]
fn mutation_in_else() -> TestResult {
run_test(
"mut x = 100; if 2 > 3 { $x = 200 } else { $x = 300 }; $x ",
"300",
)
}
#[test]
fn mutation_in_else2() -> TestResult {
run_test(
"mut x = 100; if 2 > 3 { $x = 200 } else if true { $x = 400 } else { $x = 300 }; $x ",
"400",
)
}