Files
g3/scripts/setup-chrome-for-testing.sh
Dhanji R. Prasanna 81cba42c8d Add Chrome for Testing support for reliable WebDriver automation
- Add setup script (scripts/setup-chrome-for-testing.sh) that downloads
  matching Chrome and ChromeDriver versions from Google's CDN
- Add chrome_binary config option to specify custom Chrome binary path
- Update ChromeDriver to support custom binary via with_port_headless_and_binary()
- Update README with Chrome for Testing setup instructions
- Update config.example.toml with chrome_binary documentation

Chrome for Testing is Google's dedicated browser for automated testing
that guarantees version compatibility with ChromeDriver, avoiding the
common 'version mismatch' errors when Chrome auto-updates.
2025-12-15 17:02:30 +11:00

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#!/bin/bash
# Setup Chrome for Testing with matching ChromeDriver
# This ensures version compatibility for WebDriver automation
set -e
# Configuration
INSTALL_DIR="${HOME}/.chrome-for-testing"
BIN_DIR="${HOME}/.local/bin"
# Detect architecture
ARCH=$(uname -m)
if [ "$ARCH" = "arm64" ]; then
PLATFORM="mac-arm64"
elif [ "$ARCH" = "x86_64" ]; then
PLATFORM="mac-x64"
else
echo "❌ Unsupported architecture: $ARCH"
exit 1
fi
echo "🔍 Detecting platform: $PLATFORM"
# Get latest stable version info
echo "📡 Fetching latest Chrome for Testing version..."
VERSION_JSON=$(curl -s 'https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions-with-downloads.json')
VERSION=$(echo "$VERSION_JSON" | python3 -c "import json,sys; print(json.load(sys.stdin)['channels']['Stable']['version'])")
echo "📦 Latest stable version: $VERSION"
# Get download URLs
CHROME_URL=$(echo "$VERSION_JSON" | python3 -c "
import json,sys
data = json.load(sys.stdin)
for d in data['channels']['Stable']['downloads']['chrome']:
if d['platform'] == '$PLATFORM':
print(d['url'])
break
")
CHROMEDRIVER_URL=$(echo "$VERSION_JSON" | python3 -c "
import json,sys
data = json.load(sys.stdin)
for d in data['channels']['Stable']['downloads']['chromedriver']:
if d['platform'] == '$PLATFORM':
print(d['url'])
break
")
# Create directories
mkdir -p "$INSTALL_DIR"
mkdir -p "$BIN_DIR"
# Download and extract Chrome for Testing
echo "⬇️ Downloading Chrome for Testing..."
cd "$INSTALL_DIR"
curl -L -o chrome.zip "$CHROME_URL"
unzip -q -o chrome.zip
rm chrome.zip
# The extracted folder name varies by platform
CHROME_APP_DIR="chrome-$PLATFORM"
if [ -d "$CHROME_APP_DIR" ]; then
echo "✅ Chrome for Testing installed to: $INSTALL_DIR/$CHROME_APP_DIR"
else
echo "❌ Chrome extraction failed"
exit 1
fi
# Download and extract ChromeDriver
echo "⬇️ Downloading ChromeDriver..."
curl -L -o chromedriver.zip "$CHROMEDRIVER_URL"
unzip -q -o chromedriver.zip
rm chromedriver.zip
CHROMEDRIVER_DIR="chromedriver-$PLATFORM"
if [ -f "$CHROMEDRIVER_DIR/chromedriver" ]; then
# Create symlink in bin directory
ln -sf "$INSTALL_DIR/$CHROMEDRIVER_DIR/chromedriver" "$BIN_DIR/chromedriver-for-testing"
chmod +x "$INSTALL_DIR/$CHROMEDRIVER_DIR/chromedriver"
echo "✅ ChromeDriver installed and linked to: $BIN_DIR/chromedriver-for-testing"
else
echo "❌ ChromeDriver extraction failed"
exit 1
fi
# Create a wrapper script that uses Chrome for Testing
cat > "$BIN_DIR/chrome-for-testing" << 'EOF'
#!/bin/bash
INSTALL_DIR="${HOME}/.chrome-for-testing"
ARCH=$(uname -m)
if [ "$ARCH" = "arm64" ]; then
PLATFORM="mac-arm64"
else
PLATFORM="mac-x64"
fi
exec "$INSTALL_DIR/chrome-$PLATFORM/Google Chrome for Testing.app/Contents/MacOS/Google Chrome for Testing" "$@"
EOF
chmod +x "$BIN_DIR/chrome-for-testing"
echo ""
echo "✅ Setup complete!"
echo ""
echo "Installed versions:"
echo " Chrome for Testing: $VERSION"
echo " ChromeDriver: $VERSION"
echo ""
echo "Binaries:"
echo " Chrome: $BIN_DIR/chrome-for-testing"
echo " ChromeDriver: $BIN_DIR/chromedriver-for-testing"
echo ""
echo "To use with g3, make sure $BIN_DIR is in your PATH:"
echo " export PATH=\"$BIN_DIR:\$PATH\""
echo ""
echo "Or add to your shell profile (~/.zshrc or ~/.bashrc):"
echo " echo 'export PATH=\"$BIN_DIR:\$PATH\"' >> ~/.zshrc"