feat: Add basic CI/CD testing infrastructure (MVP)

basic_test.sh

@@ -0,0 +1,144 @@
+#!/bin/bash
+
+# Basic CI/CD test script for mini-gdbstub
+# This is a MVP (Minimum Viable Product) version
+
+set -e  # Exit on any error
+
+# Configuration
+GDBSTUB_HOST="127.0.0.1"
+GDBSTUB_PORT="1234"
+TIMEOUT=10
+GDB_TIMEOUT=30
+BUILD_DIR="build"
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+log_info() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+log_warn() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+log_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Cleanup function - will be called on script exit
+cleanup() {
+    log_info "Cleaning up..."
+    if [ ! -z "$GDBSTUB_PID" ]; then
+        log_info "Stopping gdbstub server (PID: $GDBSTUB_PID)"
+        kill $GDBSTUB_PID 2>/dev/null || true
+        wait $GDBSTUB_PID 2>/dev/null || true
+    fi
+    # Clean up temporary files
+    rm -f /tmp/gdb_test.gdb /tmp/gdb_output.log
+}
+
+# Set trap to call cleanup on script exit
+trap cleanup EXIT
+
+# Step 1: Build stage
+log_info "=== Step 1: Building project ==="
+make clean || true
+make build-emu || {
+    log_error "Build failed"
+    exit 1
+}
+log_info "Build completed successfully"
+
+# Step 2: Start gdbstub server
+log_info "=== Step 2: Starting gdbstub server ==="
+make run-gdbstub &
+GDBSTUB_PID=$!
+log_info "Started gdbstub server in background (PID: $GDBSTUB_PID)"
+
+# Step 3: Wait for server to be ready
+log_info "=== Step 3: Waiting for server to be ready ==="
+for i in $(seq 1 $TIMEOUT); do
+    # Check if emulator process is still running
+    if ! ps -p $GDBSTUB_PID > /dev/null 2>&1; then
+        log_error "Emulator process died unexpectedly"
+        exit 1
+    fi
+
+    if netstat -tlnp 2>/dev/null | grep -q ":$GDBSTUB_PORT " || \
+       ss -tlnp 2>/dev/null | grep -q ":$GDBSTUB_PORT "; then
+        log_info "Server is ready on port $GDBSTUB_PORT"
+        break
+    fi
+
+    if [ $i -eq $TIMEOUT ]; then
+        log_error "Timeout waiting for server to start"
+        exit 1
+    fi
+
+    log_info "Waiting for server... ($i/$TIMEOUT)"
+    sleep 1
+done
+
+# Step 4: Basic connection test
+log_info "=== Step 4: Basic connection test ==="
+
+# Detect which GDB to use
+if command -v riscv64-unknown-elf-gdb >/dev/null 2>&1; then
+    GDB_CMD="riscv64-unknown-elf-gdb"
+elif command -v gdb-multiarch >/dev/null 2>&1; then
+    GDB_CMD="gdb-multiarch"
+else
+    log_error "No suitable GDB found"
+    log_error "Please install gdb-multiarch or riscv64-unknown-elf-gdb"
+    exit 1
+fi
+log_info "Using GDB: $GDB_CMD"
+
+# Create a simple GDB script for testing
+cat > /tmp/gdb_test.gdb << 'EOF'
+set confirm off
+set print pretty on
+set architecture riscv:rv64
+target remote 127.0.0.1:1234
+info registers
+continue
+quit
+EOF
+
+# Run GDB test with timeout
+log_info "Running GDB connection test..."
+if timeout ${GDB_TIMEOUT}s $GDB_CMD -batch -x /tmp/gdb_test.gdb ${BUILD_DIR}/emu/test.obj 2>&1 | tee /tmp/gdb_output.log; then
+    log_info "GDB connection test completed"
+else
+    exit_code=$?
+    if [ $exit_code -eq 124 ]; then
+        log_error "GDB connection test timed out after ${GDB_TIMEOUT} seconds"
+    else
+        log_error "GDB connection test failed"
+    fi
+    exit 1
+fi
+
+# Step 5: Verify test results
+log_info "=== Step 5: Verifying results ==="
+
+if grep -q "The target architecture is set to" /tmp/gdb_output.log; then
+    log_info "✓ GDB connection successful"
+else
+    log_warn "Connection verification unclear"
+fi
+
+if grep -q "SIGTRAP" /tmp/gdb_output.log; then
+    log_info "✓ Program completed successfully"
+else
+    log_warn "Program completion verification unclear"
+fi
+
+log_info "=== Test completed successfully! ==="
+
+# Cleanup will be called automatically by trap