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use hyper_server;
use matching::MatchResult;
use pact_matching::models::{Pact, Interaction, PactSpecification};
use std::ffi::CString;
use std::path::PathBuf;
use std::io;
use std::sync::{Arc, Mutex};
use serde_json::json;
use futures::future::Future;
lazy_static! {
static ref PACT_FILE_MUTEX: Mutex<()> = Mutex::new(());
}
#[derive(Debug)]
pub struct MockServer {
pub id: String,
pub addr: std::net::SocketAddr,
pub resources: Vec<CString>,
pub pact: Pact,
matches: Arc<Mutex<Vec<MatchResult>>>,
shutdown_tx: Option<futures::sync::oneshot::Sender<()>>
}
impl MockServer {
pub fn new(id: String, pact: Pact, port: u16) -> Result<(MockServer, impl Future<Item = (), Error = ()>), String> {
let (shutdown_tx, shutdown_rx) = futures::sync::oneshot::channel();
let matches = Arc::new(Mutex::new(vec![]));
let (future, socket_addr) = hyper_server::create_and_bind(
pact.clone(),
port as u16,
shutdown_rx.map_err(|_| ()),
matches.clone()
).map_err(|err| format!("Could not start server: {}", err))?;
let mock_server = MockServer {
id: id.clone(),
addr: socket_addr,
resources: vec![],
pact: pact,
matches: matches,
shutdown_tx: Some(shutdown_tx)
};
Ok((mock_server, future))
}
pub fn shutdown(&mut self) -> Result<(), String> {
match self.shutdown_tx.take() {
Some(sender) => {
match sender.send(()) {
Ok(()) => Ok(()),
Err(_) => Err("Problem sending shutdown signal to mock server".into())
}
},
_ => Err("Mock server already shut down".into())
}
}
pub fn to_json(&self) -> serde_json::Value {
json!({
"id" : json!(self.id.clone()),
"port" : json!(self.addr.port() as u64),
"provider" : json!(self.pact.provider.name.clone()),
"status" : json!(if self.mismatches().is_empty() { "ok" } else { "error" })
})
}
pub fn matches(&self) -> Vec<MatchResult> {
self.matches.lock().unwrap().clone()
}
pub fn mismatches(&self) -> Vec<MatchResult> {
let matches = self.matches();
let mismatches = matches.iter()
.filter(|m| !m.matched())
.map(|m| m.clone());
let interactions: Vec<&Interaction> = matches.iter().map(|m| {
match *m {
MatchResult::RequestMatch(ref interaction) => Some(interaction),
MatchResult::RequestMismatch(ref interaction, _) => Some(interaction),
MatchResult::RequestNotFound(_) => None,
MatchResult::MissingRequest(_) => None
}
}).filter(|o| o.is_some()).map(|o| o.unwrap()).collect();
let missing = self.pact.interactions.iter()
.filter(|i| !interactions.contains(i))
.map(|i| MatchResult::MissingRequest(i.clone()));
mismatches.chain(missing).collect()
}
pub fn write_pact(&self, output_path: &Option<String>) -> io::Result<()> {
let pact_file_name = self.pact.default_file_name();
let filename = match *output_path {
Some(ref path) => {
let mut path = PathBuf::from(path);
path.push(pact_file_name);
path
},
None => PathBuf::from(pact_file_name)
};
info!("Writing pact out to '{}'", filename.display());
let _file_lock = PACT_FILE_MUTEX.lock().unwrap();
match self.pact.write_pact(filename.as_path(), PactSpecification::V3) {
Ok(_) => Ok(()),
Err(err) => {
warn!("Failed to write pact to file - {}", err);
Err(err)
}
}
}
pub fn url(&self) -> String {
format!("http://localhost:{}", self.addr.port())
}
}
impl Clone for MockServer {
fn clone(&self) -> MockServer {
MockServer {
id: self.id.clone(),
addr: self.addr,
resources: vec![],
pact: self.pact.clone(),
matches: self.matches.clone(),
shutdown_tx: None
}
}
}