obadgen 0.2.4

Generates (aka "bakes") basic Open Badge annotated images (lib & CLI-tool).
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// SPDX-FileCopyrightText: 2021 - 2026 Robin Vobruba <hoijui.quaero@gmail.com>
//
// SPDX-License-Identifier: AGPL-3.0-or-later

use thiserror::Error;

/// This serves to wrap/represent `std::**()` `Option` return values as `Result`s,
/// like the one of [`std::path::Path::file_name()`], or [`std::ffi::OsStr::to_str()`].
#[derive(Error, Debug)]
pub enum Error {
    #[error("Represents a None Option value as an error.")]
    None,

    /// A required properties value could not be evaluated
    #[error("The file name ends in \"..\", and does therefore not represent a file.")]
    PathNotAFile,

    #[error(
        "The string is not valid UTF-8, and can thus not be represented by a normal rust string."
    )]
    NotValidUtf8,

    // #[error(transparent)]
    // InvalidUrl(#[from] url::ParseError),
    /// Represents all cases of `std::io::Error`.
    #[error(transparent)]
    IO(#[from] std::io::Error),

    /// Represents all other cases of `std::error::Error`.
    #[error(transparent)]
    Boxed(#[from] Box<dyn std::error::Error + Send + Sync>),

    /// An error made up of only a message.
    #[error("{0}")]
    Message(String),
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::util::test::is_good_error;

    #[test]
    fn normal_types() {
        is_good_error::<Error>();
    }
}