use Docker to run integration tests

.github/workflows/tests.yml

@@ -23,13 +23,21 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Run server and tests
+      - name: Build and run chat server and tests in Docker
+        run: |          
+          docker build -t chat-server .
+          docker run -d --name chat-server -p 8080:8080 -p 3478-3495:3478-3495/udp chat-server
+
+      - name: Wait for docker container to exit
         run: |
-          cargo run --release --package sfu --example chat -- -d --level info > sfu.log 2>&1 & echo $! > server_pid.txt
-          cargo test --release --no-fail-fast -- --show-output > test.log 2>&1 || true
+          while docker ps | grep chat-server >/dev/null; do
+            echo "chat-server is still running, waiting..."
+            sleep 5
+          done
 
-      - name: Shutdown server
-        run: kill -INT $(cat server_pid.txt) || true
+      - name: Copy logs from container to host
+        run: |
+          docker cp chat-server:/usr/src/app/logs/. .
 
       - name: Upload logs as artifact
         uses: actions/upload-artifact@v2
@@ -39,5 +47,8 @@ jobs:
             sfu.log
             test.log
 
+      - name: Shutdown chat server
+        run: docker stop chat-server && docker rm chat-server
+
       - name: Parse test results
         run: ./scripts/parse_test_results.sh test.log

Dockerfile

@@ -0,0 +1,21 @@
+# Use rust image as base
+FROM rust:latest
+
+# Set working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy the Rust project files into the container
+COPY . .
+
+# Build the Rust project
+RUN cargo build --release --package sfu --example chat
+
+# Expose the TCP port the signal server will listen on
+EXPOSE 8080
+# Expose the UDP ports the media server will listen on
+EXPOSE 3478-3495/udp
+
+RUN mkdir -p logs
+
+# Command to run the server
+CMD ./target/release/examples/chat -d --level info > ./logs/sfu.log 2>&1 & echo $! > server_pid.txt & cargo test --release --no-fail-fast -- --show-output > ./logs/test.log 2>&1

examples/chat.rs

@@ -21,7 +21,7 @@ use std::str::FromStr;
 use std::sync::Arc;
 use waitgroup::WaitGroup;
 
-mod signal;
+pub mod signal;
 
 extern crate num_cpus;
 

scripts/parse_test_results.sh

@@ -77,3 +77,10 @@ if [[ $total_failed -gt 0 ]]; then
 else
     exit 0
 fi
+
+# Return non-zero exit code if there are zero passed tests
+if [[ $total_passed -eq 0 ]]; then
+    exit 1
+else
+    exit 0
+fi