feat: allow for version to be optional and discover the latest version (#138)

of Chrome for Testing and install it

Author: AtofStryker

.circleci/test-deploy.yml

@@ -18,6 +18,14 @@ jobs:
       - browser-tools/install_chrome_for_testing:
           version: <<parameters.version >>
       - checkout
+  int-chrome-for-testing-no-args:
+    parameters:
+      executor:
+        type: executor
+    executor: <<parameters.executor >>
+    steps:
+      - browser-tools/install_chrome_for_testing
+      - checkout
   int-test-all:
     parameters:
       executor:
@@ -242,7 +250,13 @@ workflows:
             alias: install_chrome_for_testing
             parameters:
               executor: [cimg-base, linux, macos]
-              version: ["136.0.7103.113", "137.0.7151.40"]
+              version: ["136.0.7103.113", "137.0.7151.40", "latest"]
+      - int-chrome-for-testing-no-args:
+          name: install_chrome_for_testing_no_args-<<matrix.executor>>
+          matrix:
+            alias: install_chrome_for_testing_no_args
+            parameters:
+              executor: [cimg-base, linux, macos]
       - orb-tools/pack:
           filters: *filters
       # This matrix job can likely replace the several others above in the future

src/commands/install_chrome_for_testing.yml

@@ -6,8 +6,9 @@ description: >
 parameters:
   version:
     type: string
+    default: "latest"
     description: >
-      Which version to install. No default version provided, you must specify the one you want.
+      Which version to install. If none provided, the latest available will be installed.
 
   install_dir:
     type: string

src/scripts/install_chrome_for_testing.sh

@@ -3,31 +3,50 @@ if [[ $EUID == 0 ]]; then export SUDO=""; else export SUDO="sudo"; fi
 
 cd "$ORB_PARAM_DIR" || { echo "$ORB_PARAM_DIR does not exist. Exiting"; exit 1; }
 
-if [ -z "$ORB_PARAM_VERSION" ]; then
-    echo "ORB_PARAM_VERSION is not set. Exiting."
-    exit 1
+# process ORB_PARAM_VERSION
+if command -v circleci &>/dev/null; then
+  # CircleCI is installed, proceed with substitution
+  PROCESSED_CHROME_VERSION=$(circleci env subst "$ORB_PARAM_VERSION")
+else
+  # CircleCI is not installed, fallback to using the environment variable as-is
+  echo "CircleCI CLI is not installed. Relying on the environment variable ORB_PARAM_VERSION to be set manually."
+  PROCESSED_CHROME_VERSION=${ORB_PARAM_VERSION:-latest} # Default to "latest" if the variable is unset
 fi
 
 if uname -a | grep Darwin >/dev/null 2>&1; then
-    $SUDO curl -s -o chrome-for-testing.zip "https://storage.googleapis.com/chrome-for-testing-public/$ORB_PARAM_VERSION/mac-arm64/chrome-mac-arm64.zip"
+    if [[ "$PROCESSED_CHROME_VERSION" == "latest" ]]; then
+      LATEST_VERSION="$(curl -s 'https://chromiumdash.appspot.com/fetch_releases?channel=Stable&platform=Mac' | jq -r ' .[0] | .version ')"
+      target_version="$LATEST_VERSION"
+    else
+      target_version="$PROCESSED_CHROME_VERSION"
+    fi
+
+    $SUDO curl -s -o chrome-for-testing.zip "https://storage.googleapis.com/chrome-for-testing-public/$target_version/mac-arm64/chrome-mac-arm64.zip"
     if [ -s "chrome-for-testing.zip" ]; then
         $SUDO unzip chrome-for-testing.zip >/dev/null 2>&1
     else
-        echo "Version $ORB_PARAM_VERSION doesn't exist"
-        exit 1
+        echo "Version $target_version doesn't exist"
+        #exit 1
     fi
 
     if [ "$ORB_PARAM_INSTALL_CHROMEDRIVER" = true ] ; then
-        $SUDO curl -s -o chrome-for-testing-driver.zip "https://storage.googleapis.com/chrome-for-testing-public/$ORB_PARAM_VERSION/mac-arm64/chromedriver-mac-arm64.zip"
+        $SUDO curl -s -o chrome-for-testing-driver.zip "https://storage.googleapis.com/chrome-for-testing-public/$target_version/mac-arm64/chromedriver-mac-arm64.zip"
         $SUDO unzip chrome-for-testing-driver.zip >/dev/null 2>&1
         $SUDO mv chromedriver-mac-arm64/chromedriver chromedriver
     fi
 elif command -v apt >/dev/null 2>&1; then
-    $SUDO curl -s -o chrome-for-testing.zip "https://storage.googleapis.com/chrome-for-testing-public/$ORB_PARAM_VERSION/linux64/chrome-linux64.zip"
+    if [[ "$PROCESSED_CHROME_VERSION" == "latest" ]]; then
+      LATEST_VERSION="$(curl -s 'https://chromiumdash.appspot.com/fetch_releases?channel=Stable&platform=Linux' | jq -r ' .[0] | .version ')"
+      target_version="$LATEST_VERSION"
+    else
+      target_version="$PROCESSED_CHROME_VERSION"
+    fi
+
+    $SUDO curl -s -o chrome-for-testing.zip "https://storage.googleapis.com/chrome-for-testing-public/$target_version/linux64/chrome-linux64.zip"
     if [ -s "chrome-for-testing.zip" ]; then
         $SUDO unzip chrome-for-testing.zip >/dev/null 2>&1
     else
-        echo "Version $ORB_PARAM_VERSION doesn't exist"
+        echo "Version $target_version doesn't exist"
         exit 1
     fi
     $SUDO apt-get update
@@ -36,7 +55,7 @@ elif command -v apt >/dev/null 2>&1; then
     done < chrome-linux64/deb.deps;
 
     if [ "$ORB_PARAM_INSTALL_CHROMEDRIVER" = true ] ; then
-        $SUDO curl -s -o chrome-for-testing-driver.zip "https://storage.googleapis.com/chrome-for-testing-public/$ORB_PARAM_VERSION/linux64/chromedriver-linux64.zip"
+        $SUDO curl -s -o chrome-for-testing-driver.zip "https://storage.googleapis.com/chrome-for-testing-public/$target_version/linux64/chromedriver-linux64.zip"
         $SUDO unzip chrome-for-testing-driver.zip >/dev/null 2>&1
         $SUDO mv chromedriver-linux64/chromedriver chromedriver
     fi
@@ -47,7 +66,7 @@ if [ "$ORB_PARAM_INSTALL_CHROMEDRIVER" = true ] ; then
 fi
 
 if [ "$ORB_PARAM_INSTALL_CHROMEDRIVER" = true ] ; then
-    if chromedriver --version | grep "$ORB_PARAM_VERSION" >/dev/null 2>&1; then
+    if chromedriver --version | grep "$target_version" >/dev/null 2>&1; then
         echo "chromedriver for Chrome for testing installed correctly"
     else
         echo "Error installing Chrome for testing"