chore: run the tests on a temporary container

justfile

@@ -24,9 +24,9 @@ _setup_client_node:
 dev: _setup_db
 	cd scheduler && cargo run
 
-# Test
-test: _setup_db
-	cd scheduler && cargo nextest run --workspace
+# Run the tests on a temporary DB container
+test:
+	bash ./scripts/run_tests.sh
 
 # Lint
 lint: _setup_db

scripts/run_tests.sh

@@ -0,0 +1,31 @@
+#! /bin/bash
+
+# Search for a free port to bind the temporary PG container
+BASE_PORT=1234
+INCREMENT=1
+
+PORT=$BASE_PORT
+IS_FREE=$(netstat -taln | grep $PORT)
+
+while [[ -n "$IS_FREE" ]]; do
+  PORT=$((PORT + INCREMENT))
+  IS_FREE=$(netstat -taln | grep $PORT)
+done
+
+# Generate a random name for the temporary PG container
+RANDOM_NAME="pg_test_$(date +%s)"
+
+# Launch a PG container
+docker run -d --name $RANDOM_NAME -p $PORT:5432 -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=postgres -e POSTGRES_DB=scheduler postgres:13
+
+# Set the DATABASE_URL environment variable
+export DATABASE_URL="postgres://postgres:postgres@localhost:${PORT}/scheduler"
+
+# Run the migrations
+cd scheduler/crates/infra && sqlx migrate run && cd ../../..
+
+# Run the tests
+cd scheduler && cargo nextest run --workspace && cd ..
+
+# Stop and remove the temporary PG container
+docker rm -f $RANDOM_NAME