fix: Add new mock for ESP8266Wifi to allow compilation of sketch

Author: milesburton

.github/workflows/arduino-ci.yml

@@ -18,6 +18,28 @@ jobs:
           mkdir -p $GITHUB_WORKSPACE/libraries
           mkdir -p $GITHUB_WORKSPACE/.arduino15
           mkdir -p $GITHUB_WORKSPACE/Arduino
+          mkdir -p $GITHUB_WORKSPACE/mocks  # Create a directory for mock files
+
+      - name: Create mock ESP8266WiFi.h
+        run: |
+          cat > $GITHUB_WORKSPACE/mocks/ESP8266WiFi.h << 'EOF'
+          #ifndef ESP8266WIFI_MOCK_H
+          #define ESP8266WIFI_MOCK_H
+
+          #include <Arduino.h>
+
+          class WiFiClass {
+          public:
+              void begin(const char* ssid, const char* password) {}
+              void disconnect() {}
+              bool isConnected() { return true; }
+              IPAddress localIP() { return IPAddress(192, 168, 1, 1); }
+          };
+
+          extern WiFiClass WiFi;
+
+          #endif // ESP8266WIFI_MOCK_H
+          EOF
 
       - name: Setup Arduino CLI
         uses: arduino/setup-arduino-cli@v1
@@ -79,4 +101,6 @@ jobs:
 
       - name: Run tests
         run: |
-          bundle exec arduino_ci.rb
+          # Add the mock directory to the include path
+          export CPLUS_INCLUDE_PATH=$GITHUB_WORKSPACE/mocks:$CPLUS_INCLUDE_PATH
+          bundle exec arduino_ci.rb