factory_pattern.rs

pub trait Factory {
    fn name(&self) -> String;
}

pub struct CarFactory {
    name: String
}

impl CarFactory {
    pub fn car(name: &str) -> CarFactory{
        CarFactory{
            name: String::from(name)
        }
    }
}

impl Factory for CarFactory {
    fn name(&self) -> String {
        self.name.to_string()
    }
}

pub struct CellPhone {
    name: String
}

impl CellPhone {
    pub fn cellphone(name: &str) -> CellPhone {
        CellPhone {
            name: String::from(name)
        }
    }
}

impl Factory for CellPhone {
    fn name(&self) -> String {
        self.name.to_string()
    }
}



#[cfg(test)]
mod tests {
    use crate::{CarFactory, CellPhone, Factory};

    #[test]
    fn it_works() {
        let car = CarFactory::car("Dodge Challenger");
        assert_eq!(car.name(), "Dodge Challenger");

        let phone = CellPhone::cellphone("iPhone 15");
        assert_eq!(phone.name(), "iPhone 15");
    }
}