dockertest-server 0.1.0

use crate::{Config, ContainerConfig, Server};
use derive_builder::Builder;
use dockertest::{PullPolicy, Source};
use std::collections::HashMap;

const IMAGE: &str = "ghcr.io/navikt/mock-oauth2-server";
const PORT: u32 = 8080;
const LOG_MSG: &str = "started server on address";
const SOURCE: Source = Source::DockerHub(PullPolicy::IfNotPresent);

/// Configuration for creating a mock OAuth (OIDC) server.
///
/// By default the OAuth server listens on port 8080 for HTTP requests. This
/// is exposed on the container by default, but the exposed port can be
/// controlled by setting the `port` field.
///
/// See the [Github](https://github.com/navikt/mock-oauth2-server) repo for more
/// information on the arguments and environment variables that can be used to
/// configure the server.
#[derive(Clone, Default, Builder)]
#[builder(default)]
pub struct OIDCServerConfig {
    #[builder(default = "Vec::new()")]
    pub args: Vec<String>,
    #[builder(default = "HashMap::new()")]
    pub env: HashMap<String, String>,
    #[builder(default = "crate::server::new_handle(IMAGE)")]
    pub handle: String,
    #[builder(default = "8200")]
    pub port: u32,
    #[builder(default = "15")]
    pub timeout: u16,
    #[builder(default = "String::from(\"0.3.5\")")]
    pub version: String,
}

impl OIDCServerConfig {
    pub fn builder() -> OIDCServerConfigBuilder {
        OIDCServerConfigBuilder::default()
    }
}

impl Config for OIDCServerConfig {
    fn into_composition(self) -> dockertest::Composition {
        let ports = vec![(PORT, self.port)];
        ContainerConfig {
            args: self.args,
            env: self.env,
            handle: self.handle,
            name: IMAGE.into(),
            source: SOURCE,
            timeout: self.timeout,
            version: self.version,
            ports: Some(ports),
            wait_msg: Some(LOG_MSG.into()),
        }
        .into()
    }

    fn handle(&self) -> &str {
        self.handle.as_str()
    }
}

/// A running instance of a mock OAuth server.
///
/// The server URL which is accessible from the local host can be found in
/// `local_address`. Other running containers which need access to this server
/// should use the `address` field instead.
pub struct OIDCServer {
    pub address: String,
    pub local_address: String,
    pub port: u32,
}

impl Server for OIDCServer {
    type Config = OIDCServerConfig;

    fn new(config: &Self::Config, container: &dockertest::RunningContainer) -> Self {
        OIDCServer {
            address: format!("http://{}:{}", container.ip(), config.port),
            local_address: format!("http://localhost:{}", config.port),
            port: config.port,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::{OIDCServer, OIDCServerConfig};
    use crate::Test;
    use test_env_log::test;

    #[test]
    fn test_oidc() {
        let config = OIDCServerConfig::builder().port(8090).build().unwrap();
        let mut test = Test::new();
        test.register(config);

        test.run(|instance| async move {
            let server: OIDCServer = instance.server();

            let client = reqwest::Client::new();
            let resp = client
                .get(format!(
                    "{}/default/.well-known/openid-configuration",
                    server.local_address
                ))
                .send()
                .await;
            assert!(resp.is_ok());
            assert_eq!(resp.unwrap().status(), 200);
        });
    }
}