feat(eventually-test): add acceptance tests to raise coverage (#83)

Author: ar3s3ru

eventually-test/Cargo.toml

@@ -23,3 +23,7 @@ tokio = { version = "0.2", features = ["sync"] }
 tokio-postgres = "0.5"
 femme = "2.1.0"
 anyhow = "1.0"
+
+[dev-dependencies]
+reqwest = { version = "0.10", features = ["json"] }
+lazy_static = "1.4"

eventually-test/src/bin/eventually-test-api.rs

@@ -0,0 +1,8 @@
+use envconfig::Envconfig;
+
+use eventually_test::config::Config;
+
+fn main() -> anyhow::Result<()> {
+    let config = Config::init()?;
+    smol::run(eventually_test::run(config))
+}

eventually-test/src/config.rs

@@ -2,7 +2,7 @@ use envconfig::Envconfig;
 use envconfig_derive::Envconfig;
 
 #[derive(Envconfig)]
-pub(crate) struct Config {
+pub struct Config {
     #[envconfig(from = "DB_HOST", default = "localhost")]
     pub db_host: String,
 

eventually-test/src/main.rs eventually-test/src/lib.rseventually-test/src/main.rs renamed to eventually-test/src/lib.rs

@@ -1,12 +1,10 @@
 mod api;
-mod config;
-mod order;
+pub mod config;
+pub mod order;
 mod state;
 
 use std::sync::Arc;
 
-use envconfig::Envconfig;
-
 use eventually::aggregate::Optional;
 use eventually::inmemory::EventStoreBuilder;
 use eventually::{AggregateRootBuilder, Repository};
@@ -16,13 +14,7 @@ use tokio::sync::RwLock;
 use crate::config::Config;
 use crate::order::OrderAggregate;
 
-fn main() -> anyhow::Result<()> {
-    smol::run(run())
-}
-
-async fn run() -> anyhow::Result<()> {
-    let config = Config::init()?;
-
+pub async fn run(config: Config) -> anyhow::Result<()> {
     femme::with_level(config.log_level);
 
     // Aggregate target: in this case it's empty, but usually it would use

eventually-test/src/order.rs

@@ -42,7 +42,7 @@ impl OrderItems {
     }
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 #[serde(tag = "state")]
 pub enum OrderState {
     Editable { updated_at: DateTime<Utc> },
@@ -52,12 +52,35 @@ pub enum OrderState {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Order {
+    #[serde(skip_serializing)]
     id: String,
     created_at: DateTime<Utc>,
     items: Vec<OrderItem>,
     state: OrderState,
 }
 
+impl Order {
+    pub fn created_at(&self) -> DateTime<Utc> {
+        self.created_at
+    }
+
+    pub fn items(&self) -> &Vec<OrderItem> {
+        &self.items
+    }
+
+    pub fn state(&self) -> OrderState {
+        self.state
+    }
+
+    pub fn is_editable(&self) -> bool {
+        if let OrderState::Editable { .. } = self.state {
+            return true;
+        }
+
+        false
+    }
+}
+
 #[derive(Debug)]
 pub enum OrderCommand {
     Create,

eventually-test/tests/acceptance_tests.rs

@@ -0,0 +1,56 @@
+use std::sync::atomic::AtomicBool;
+use std::sync::Once;
+use std::thread;
+
+use chrono::Utc;
+
+use envconfig::Envconfig;
+
+use lazy_static::lazy_static;
+
+use eventually_test::config::Config;
+use eventually_test::order::Order;
+
+static START: Once = Once::new();
+
+lazy_static! {
+    static ref SERVER_STARTED: AtomicBool = AtomicBool::default();
+}
+
+fn setup() {
+    START.call_once(|| {
+        thread::spawn(move || {
+            let config = Config::init().unwrap();
+            SERVER_STARTED.store(true, std::sync::atomic::Ordering::SeqCst);
+
+            smol::run(eventually_test::run(config));
+        });
+    });
+
+    while !SERVER_STARTED.load(std::sync::atomic::Ordering::SeqCst) {}
+}
+
+#[test]
+fn it_creates_an_order_successfully() {
+    setup();
+
+    smol::run(async {
+        let url = format!("http://localhost:8080/orders/test/create");
+        let client = reqwest::Client::new();
+
+        let start = Utc::now();
+
+        let root: Order = client
+            .post(&url)
+            .send()
+            .await
+            .unwrap()
+            .json()
+            .await
+            .unwrap();
+
+        assert!(root.created_at() >= start);
+        assert!(root.is_editable());
+        assert!(root.items().is_empty());
+    });
+}