zendriver-imperva 0.2.3

Imperva WAF / Incapsula bypass for zendriver
Documentation 
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//! Imperva-bypass errors.

use zendriver_interception::InterceptionError;
use zendriver_transport::CallError;

use crate::detection::CaptchaKind;

/// Error returned by [`ImpervaBypass`] operations.
///
/// [`ImpervaBypass`]: crate::bypass::ImpervaBypass
#[derive(Debug, thiserror::Error)]
#[non_exhaustive]
pub enum ImpervaError {
    /// CAPTCHA detected, but no `on_captcha` solver was registered.
    #[error("CAPTCHA required but no solver registered: {kind:?}")]
    CaptchaRequired { kind: CaptchaKind },

    /// User-supplied CAPTCHA solver returned an error.
    #[error("CAPTCHA solver failed: {0}")]
    CaptchaSolver(Box<dyn std::error::Error + Send + Sync>),

    /// Fetch-domain interception hook failed at startup (only when
    /// [`ImpervaBypass::with_interception`] was set).
    ///
    /// [`ImpervaBypass::with_interception`]: crate::bypass::ImpervaBypass::with_interception
    #[error("interception hook error: {0}")]
    Interception(#[from] InterceptionError),

    /// CDP transport / call error.
    #[error("call failed: {0}")]
    Call(#[from] CallError),

    /// In-page evaluator raised or returned an unexpected payload shape.
    #[error("JS error: {0}")]
    JsError(String),
}

#[cfg(test)]
#[allow(clippy::panic, clippy::unwrap_used)]
mod tests {
    use super::*;

    #[test]
    fn display_captcha_required_includes_kind() {
        let e = ImpervaError::CaptchaRequired {
            kind: CaptchaKind::HCaptcha,
        };
        assert_eq!(
            e.to_string(),
            "CAPTCHA required but no solver registered: HCaptcha"
        );
    }

    #[test]
    fn display_js_error_passthrough() {
        let e = ImpervaError::JsError("bad payload".into());
        assert_eq!(e.to_string(), "JS error: bad payload");
    }
}