Create an integration test in rust

This is an attempt at a first integration test in rust, using two
accounts which send real email to each other.

src/job.rs

@@ -505,6 +505,8 @@ pub fn perform_smtp_jobs(context: &Context) {
     }
 }
 
+pub fn perform_smtp_fetch(_context: &Context) {}
+
 pub fn perform_smtp_idle(context: &Context) {
     info!(context, "SMTP-idle started...",);
     {

src/location.rs

@@ -190,7 +190,13 @@ impl Kml {
     }
 }
 
-// location streaming
+/// Starts streaming locations to a chat.
+///
+/// # Parameters
+///
+/// * `context` - The [Context].
+/// * `chat_id` - The ID of the chat to send locations to.
+/// * `seconds` - The duration for which to stream the location.
 pub fn send_locations_to_chat(context: &Context, chat_id: u32, seconds: i64) {
     let now = time();
     if !(seconds < 0 || chat_id <= DC_CHAT_ID_LAST_SPECIAL) {

test-data/key/private2.asc

@@ -0,0 +1 @@
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

test-data/key/public2.asc

@@ -0,0 +1 @@
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

tests/location.rs

@@ -0,0 +1,476 @@
+//! Integration tests for location streaming.
+
+use std::collections::{HashMap, VecDeque};
+use std::mem::discriminant;
+use std::path::Path;
+use std::sync::{atomic, Arc, Condvar, Mutex};
+use std::thread;
+
+use itertools::Itertools;
+use libc::uintptr_t;
+use serde::Deserialize;
+use tempfile;
+
+use deltachat::chat;
+use deltachat::config::Config;
+use deltachat::contact::Contact;
+use deltachat::context::Context;
+use deltachat::job;
+use deltachat::location;
+use deltachat::Event;
+
+/// Credentials for a test account.
+///
+/// This is populated by the JSON returned from the account provider's
+/// API.
+#[derive(Debug, Deserialize)]
+struct AccountCredentials {
+    email: String,
+    password: String,
+}
+
+impl AccountCredentials {
+    /// Creates a new online account.
+    ///
+    /// Invoke the API of the account provider to create a new
+    /// temporary account.
+    fn new(provider_url: &str) -> AccountCredentials {
+        let (post_url, token) = provider_url.splitn(2, '#').next_tuple().unwrap();
+        let mut data: HashMap<&str, u64> = HashMap::new();
+        data.insert("token_create_user", token.parse().unwrap());
+        let client = reqwest::Client::new();
+        let mut response = client.post(post_url).json(&data).send().unwrap();
+        assert!(
+            response.status().is_success(),
+            format!("Failed to create new tmpuser: {}", response.status())
+        );
+        response.json().unwrap()
+    }
+}
+
+#[derive(Debug)]
+struct EventsItem {
+    acc_name: String,
+    when: std::time::Duration,
+    event: Event,
+}
+
+#[derive(Debug)]
+struct EventsQueue {
+    name: String,
+    events: Mutex<VecDeque<EventsItem>>,
+    cond: Condvar,
+}
+
+impl EventsQueue {
+    fn new(name: &str) -> EventsQueue {
+        EventsQueue {
+            name: name.to_string(),
+            events: Mutex::new(VecDeque::new()),
+            cond: Condvar::new(),
+        }
+    }
+
+    fn push(&self, evt: EventsItem) {
+        let mut queue = self.events.lock().unwrap();
+        queue.push_back(evt);
+        self.cond.notify_all();
+    }
+
+    fn wait_for(&self, event: Event, data: bool) -> Result<(), ()> {
+        println!(
+            "==> [{}] Waiting for: {:?} match-data={}",
+            self.name, event, data
+        );
+        let mut queue = self.events.lock().unwrap();
+        let start_time = std::time::Instant::now();
+        loop {
+            while let Some(item) = queue.pop_front() {
+                let hit = match data {
+                    true => event == item.event,
+                    false => discriminant(&event) == discriminant(&item.event),
+                };
+                self.log_event(&item);
+                if hit {
+                    println!(
+                        "<== [{}] Found {:?} match-data={} in {:?}",
+                        self.name,
+                        event,
+                        data,
+                        start_time.elapsed()
+                    );
+                    return Ok(());
+                }
+            }
+            if start_time.elapsed().as_secs() > 25 {
+                println!(
+                    "=!= [{}] Timed out waiting for {:?} match-data={}",
+                    self.name, event, data
+                );
+                return Err(());
+            }
+            queue = self.cond.wait(queue).unwrap();
+        }
+    }
+
+    fn clear(&self) {
+        let mut queue = self.events.lock().unwrap();
+        while let Some(item) = queue.pop_front() {
+            self.log_event(&item);
+        }
+    }
+
+    fn log_event(&self, item: &EventsItem) {
+        match &item.event {
+            Event::Info(msg) => println!("I [{} {:?}]: {}", item.acc_name, item.when, msg),
+            Event::Warning(msg) => println!("W [{} {:?}]: {}", item.acc_name, item.when, msg),
+            Event::Error(msg) => println!("E [{} {:?}]: {}", item.acc_name, item.when, msg),
+            _ => println!("Evt [{} {:?}]: {:?}", item.acc_name, item.when, item.event),
+        }
+    }
+
+    fn clear_log_events(&self) {
+        let mut queue = self.events.lock().unwrap();
+        for item in queue.iter() {
+            self.log_event(item)
+        }
+        queue.retain(|item| match item.event {
+            Event::Info(_) | Event::Warning(_) | Event::Error(_) => false,
+            _ => true,
+        });
+    }
+}
+
+/// A Configured DeltaChat account.
+#[derive(Debug)]
+struct Account {
+    name: String,
+    creds: AccountCredentials,
+    ctx: Arc<Context>,
+    events: Arc<EventsQueue>,
+    running: Arc<atomic::AtomicBool>,
+    imap_handle: Option<thread::JoinHandle<()>>,
+    mvbox_handle: Option<thread::JoinHandle<()>>,
+    sentbox_handle: Option<thread::JoinHandle<()>>,
+    smtp_handle: Option<thread::JoinHandle<()>>,
+}
+
+impl Account {
+    fn new(name: &str, dir: &Path, keys: KeyPair, start: std::time::Instant) -> Account {
+        // Create events queue and callback.
+        let events = Arc::new(EventsQueue::new(name));
+        let events_cb = Arc::clone(&events);
+        let name_cb = name.to_string();
+        let cb = move |_ctx: &Context, evt: Event| -> uintptr_t {
+            events_cb.push(EventsItem {
+                acc_name: name_cb.clone(),
+                when: start.elapsed(),
+                event: evt,
+            });
+            0
+        };
+
+        // Create and configure the context.
+        let dbfile = dir.join(format!("{}.db", name));
+        let creds = AccountCredentials::new(&Account::liveconfig_url());
+        println!("Account credentials for {}: {:#?}", name, creds);
+        let ctx = Arc::new(Context::new(Box::new(cb), "TestClient".into(), dbfile).unwrap());
+        ctx.set_config(Config::Addr, Some(&creds.email)).unwrap();
+        ctx.set_config(Config::MailPw, Some(&creds.password))
+            .unwrap();
+        keys.save_as_self(&ctx);
+        deltachat::configure::configure(&ctx);
+
+        // Start the threads.
+        let running = Arc::new(atomic::AtomicBool::new(true));
+        let imap_handle = Self::start_imap(name, Arc::clone(&ctx), Arc::clone(&running));
+        let mvbox_handle = Self::start_mvbox(name, Arc::clone(&ctx), Arc::clone(&running));
+        let sentbox_handle = Self::start_sentbox(name, Arc::clone(&ctx), Arc::clone(&running));
+        let smtp_handle = Self::start_smtp(name, Arc::clone(&ctx), Arc::clone(&running));
+        events.clear_log_events();
+
+        Account {
+            name: name.to_string(),
+            creds,
+            ctx,
+            events,
+            running,
+            imap_handle: Some(imap_handle),
+            mvbox_handle: Some(mvbox_handle),
+            sentbox_handle: Some(sentbox_handle),
+            smtp_handle: Some(smtp_handle),
+        }
+    }
+
+    /// Find the liveconfig URL.
+    ///
+    /// Prefers the `DCC_TMPACCOUNT_PROVIDER`, will also use the
+    /// `DCC_PY_LIVECONFIG` environment variable and finally fall back
+    /// to finding a file named `liveconfig` and starting with
+    /// `#:provider:https://`.
+    fn liveconfig_url() -> String {
+        if let Some(url) = std::env::var("DCC_TMPACCOUNT_PROVIDER").ok() {
+            return url;
+        }
+        if let Some(url) = std::env::var("DCC_PY_LIVECONFIG").ok() {
+            return url;
+        }
+        let mut dir = Some(Path::new(".").canonicalize().unwrap());
+        loop {
+            let cfg_fname = match dir {
+                Some(path) => {
+                    dir = path.parent().map(|p| p.to_path_buf());
+                    path.join("liveconfig")
+                }
+                None => break,
+            };
+            if cfg_fname.is_file() {
+                let raw_data = std::fs::read(&cfg_fname).unwrap();
+                let data = String::from_utf8(raw_data).unwrap();
+                for line in data.lines() {
+                    if line.starts_with("#:provider:https://") {
+                        let (_, url) = line.split_at(11);
+                        return url.to_string();
+                    }
+                }
+                panic!("No provider URL in {}", cfg_fname.display());
+            }
+        }
+        panic!("Found no liveconfig");
+    }
+
+    fn start_imap(
+        name: &str,
+        ctx: Arc<Context>,
+        running: Arc<atomic::AtomicBool>,
+    ) -> thread::JoinHandle<()> {
+        thread::Builder::new()
+            .name(format!("{}-imap", name))
+            .spawn(move || {
+                while running.load(atomic::Ordering::Relaxed) {
+                    job::perform_imap_jobs(&ctx);
+                    job::perform_imap_fetch(&ctx);
+                    if !running.load(atomic::Ordering::Relaxed) {
+                        break;
+                    }
+                    job::perform_imap_idle(&ctx);
+                }
+            })
+            .unwrap()
+    }
+
+    fn start_mvbox(
+        name: &str,
+        ctx: Arc<Context>,
+        running: Arc<atomic::AtomicBool>,
+    ) -> thread::JoinHandle<()> {
+        thread::Builder::new()
+            .name(format!("{}-mvbox", name))
+            .spawn(move || {
+                while running.load(atomic::Ordering::Relaxed) {
+                    job::perform_mvbox_jobs(&ctx);
+                    job::perform_mvbox_fetch(&ctx);
+                    if !running.load(atomic::Ordering::Relaxed) {
+                        break;
+                    }
+                    job::perform_mvbox_idle(&ctx);
+                }
+            })
+            .unwrap()
+    }
+
+    fn start_sentbox(
+        name: &str,
+        ctx: Arc<Context>,
+        running: Arc<atomic::AtomicBool>,
+    ) -> thread::JoinHandle<()> {
+        thread::Builder::new()
+            .name(format!("{}-sentbox", name))
+            .spawn(move || {
+                while running.load(atomic::Ordering::Relaxed) {
+                    job::perform_sentbox_jobs(&ctx);
+                    job::perform_sentbox_fetch(&ctx);
+                    if !running.load(atomic::Ordering::Relaxed) {
+                        break;
+                    }
+                    job::perform_sentbox_idle(&ctx);
+                }
+            })
+            .unwrap()
+    }
+
+    fn start_smtp(
+        name: &str,
+        ctx: Arc<Context>,
+        running: Arc<atomic::AtomicBool>,
+    ) -> thread::JoinHandle<()> {
+        thread::Builder::new()
+            .name(format!("{}-smtp", name))
+            .spawn(move || {
+                while running.load(atomic::Ordering::Relaxed) {
+                    job::perform_smtp_jobs(&ctx);
+                    job::perform_smtp_fetch(&ctx);
+                    if !running.load(atomic::Ordering::Relaxed) {
+                        break;
+                    }
+                    job::perform_smtp_idle(&ctx);
+                }
+            })
+            .unwrap()
+    }
+
+    /// Goes through the events queue and prints all log events.
+    ///
+    /// Each processed event is removed from the queue.
+    fn process_log_events(&self) {}
+}
+
+impl Drop for Account {
+    fn drop(&mut self) {
+        println!("Terminating Account {}", self.name);
+        self.running.store(false, atomic::Ordering::Relaxed);
+        job::interrupt_imap_idle(&self.ctx);
+        job::interrupt_mvbox_idle(&self.ctx);
+        self.imap_handle.take().unwrap().join().unwrap();
+        self.mvbox_handle.take().unwrap().join().unwrap();
+        self.events.clear();
+        println!("Account {} Terminated", self.name);
+    }
+}
+
+/// Helper struct to handle account key pairs.
+struct KeyPair {
+    public: deltachat::key::Key,
+    private: deltachat::key::Key,
+}
+
+impl KeyPair {
+    /// Create a new [KeyPair].
+    ///
+    /// # Example
+    ///
+    /// ```
+    /// let alice_keys = KeyPair::new(
+    ///     include_str!("../test-data/key/public.asc"),
+    ///     include_str!("../test-data/key/private.asc"),
+    /// );
+    /// ```
+    fn new(public_data: &str, private_data: &str) -> KeyPair {
+        let public =
+            deltachat::key::Key::from_base64(public_data, deltachat::constants::KeyType::Public)
+                .unwrap();
+        let private =
+            deltachat::key::Key::from_base64(private_data, deltachat::constants::KeyType::Private)
+                .unwrap();
+        KeyPair { public, private }
+    }
+
+    /// Saves a key into the context as the default key of the self address.
+    ///
+    /// [Config::Addr] must already be set.
+    fn save_as_self(&self, ctx: &Context) {
+        let addr = ctx.get_config(Config::Addr).unwrap();
+        let ok = deltachat::key::dc_key_save_self_keypair(
+            &ctx,
+            &self.public,
+            &self.private,
+            &addr,
+            true,
+            &ctx.sql,
+        );
+        assert_eq!(ok, true);
+    }
+}
+
+#[test]
+fn test_location_streaming() {
+    // Create accounts
+    let start = std::time::Instant::now();
+    let tmpdir = tempfile::tempdir().unwrap();
+    let alice_keys = KeyPair::new(
+        include_str!("../test-data/key/public.asc"),
+        include_str!("../test-data/key/private.asc"),
+    );
+    let alice = Account::new("alice", tmpdir.path(), alice_keys, start);
+    let bob_keys = KeyPair::new(
+        include_str!("../test-data/key/public2.asc"),
+        include_str!("../test-data/key/private2.asc"),
+    );
+    let bob = Account::new("bob", tmpdir.path(), bob_keys, start);
+    alice
+        .events
+        .wait_for(Event::ConfigureProgress(1000), true)
+        .unwrap();
+    bob.events
+        .wait_for(Event::ConfigureProgress(1000), true)
+        .unwrap();
+
+    // Create contacts and chats.
+    let contact_bob = Contact::create(&alice.ctx, "Bob", &bob.creds.email).unwrap();
+    let contact_alice = Contact::create(&bob.ctx, "Alice", &bob.creds.email).unwrap();
+    let alice_to_bob = deltachat::chat::create_by_contact_id(&alice.ctx, contact_bob).unwrap();
+    let bob_to_alice = deltachat::chat::create_by_contact_id(&bob.ctx, contact_alice).unwrap();
+    alice.events.clear();
+    bob.events.clear();
+
+    println!("### Starting location streaming from Alice to Bob");
+    assert!(!location::is_sending_locations_to_chat(
+        &alice.ctx,
+        alice_to_bob
+    ));
+    assert!(!location::is_sending_locations_to_chat(
+        &bob.ctx,
+        bob_to_alice
+    ));
+    location::send_locations_to_chat(&alice.ctx, alice_to_bob, 100);
+    assert!(location::is_sending_locations_to_chat(
+        &alice.ctx,
+        alice_to_bob
+    ));
+    alice
+        .events
+        .wait_for(Event::SmtpMessageSent(Default::default()), false)
+        .unwrap();
+    assert_eq!(location::set(&alice.ctx, 1.0, 1.0, 1.0), true);
+    alice
+        .events
+        .wait_for(Event::LocationChanged(Default::default()), false)
+        .unwrap();
+    assert_eq!(location::set(&alice.ctx, 1.1, 1.1, 1.0), true);
+    chat::send_text_msg(&alice.ctx, alice_to_bob, "ping".to_string()).unwrap();
+    alice
+        .events
+        .wait_for(Event::SmtpMessageSent(Default::default()), false)
+        .unwrap();
+
+    println!("### Looking for location messages received by Bob");
+    // First message is the "enabled-location-streaming" command.
+    bob.events
+        .wait_for(
+            Event::MsgsChanged {
+                chat_id: Default::default(),
+                msg_id: Default::default(),
+            },
+            false,
+        )
+        .unwrap();
+    // Core emits location changed before the incoming message.  Sadly
+    // the the ordering requirement is brittle.
+    bob.events
+        .wait_for(Event::LocationChanged(Default::default()), false)
+        .unwrap();
+    // Next message is the "ping" one which should contain a location.
+    bob.events
+        .wait_for(
+            Event::MsgsChanged {
+                chat_id: Default::default(),
+                msg_id: Default::default(),
+            },
+            false,
+        )
+        .unwrap();
+    let positions = location::get_range(&bob.ctx, bob_to_alice, contact_alice, 0, 0);
+    println!("pos len: {}", positions.len());
+    println!("{:#?}", positions);
+    assert!(false, "THE END");
+}