chrome-for-testing-manager 0.11.0

Programmatic management of chrome-for-testing installations.
Documentation 
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use std::fmt::{Display, Formatter};

/// A TCP port bound (or to be bound) by a chromedriver process.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Port(pub u16);

impl From<u16> for Port {
    fn from(value: u16) -> Self {
        Self(value)
    }
}

impl AsRef<u16> for Port {
    fn as_ref(&self) -> &u16 {
        &self.0
    }
}

impl Display for Port {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}

/// How chromedriver should pick the port it listens on.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum PortRequest {
    /// Let the OS assign an unused port.
    Any,

    /// Bind to a specific port.
    Specific(Port),
}

impl From<u16> for PortRequest {
    fn from(value: u16) -> Self {
        Self::Specific(Port(value))
    }
}

impl From<Port> for PortRequest {
    fn from(value: Port) -> Self {
        Self::Specific(value)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use assertr::prelude::*;

    #[test]
    fn port_from_u16_constructs_typed_port() {
        assert_that!(Port::from(8080u16)).is_equal_to(Port(8080));
    }

    #[test]
    fn port_request_from_u16_constructs_specific_port() {
        assert_that!(PortRequest::from(8080u16)).is_equal_to(PortRequest::Specific(Port(8080)));
    }
}