ploidy-core 0.10.0

An OpenAPI IR and type graph for Ploidy
Documentation 
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//! Shared test-only helpers.

use std::fmt::{Arguments, Debug};

/// Asserts that an expression matches the given pattern.
///
/// The pattern can be optionally followed by a match guard. This works
/// exactly like the unstable `assert_matches!()` macro (rust-lang/rust#82775).
/// Once it's stabilized, we can remove this version.
macro_rules! assert_matches {
    ($left:expr, $($pattern:pat_param)|+ $(if $guard:expr)? $(,)?) => {
        match $left {
            $($pattern)|+ $(if $guard)? => {}
            ref left => {
                crate::tests::assert_matches_failed(
                    left,
                    stringify!($($pattern)|+ $(if $guard)?),
                    None,
                );
            }
        }
    };
    ($left:expr, $($pattern:pat_param)|+ $(if $guard:expr)?, $($arg:tt)+) => {
        match $left {
            $($pattern)|+ $(if $guard)? => {}
            ref left => {
                crate::tests::assert_matches_failed(
                    left,
                    stringify!($($pattern)|+ $(if $guard)?),
                    Some(format_args!($($arg)+)),
                );
            }
        }
    };
}

pub(crate) use assert_matches;

#[track_caller]
pub(crate) fn assert_matches_failed(left: impl Debug, right: &str, message: Option<Arguments<'_>>) {
    match message {
        Some(message) => panic!(
            "{}",
            indoc::formatdoc! {"
                assertion `left matches right` failed: {message}
                  left: {left:?}
                 right: {right:?}
            "},
        ),
        None => panic!(
            "{}",
            indoc::formatdoc! {"
                assertion `left matches right` failed
                  left: {left:?}
                 right: {right:?}
            "},
        ),
    }
}