Adding the caching

Author: hiranya911

.github/workflows/ci.yml

@@ -12,6 +12,12 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
+    - name: Cache Firebase CLI
+      uses: actions/cache@v1
+      id: cache
+      with:
+        path: ~/.cache
+        key: firebase-cli
     - name: Set up Python ${{ matrix.python }}
       uses: actions/setup-python@v1
       with:
@@ -26,11 +32,16 @@ jobs:
     - name: Test with pytest
       if: success() || failure()
       run: pytest
-    - name: Set up Node.js 10
-      uses: actions/setup-node@v1
-      with:
-        node-version: 10.x
-    - name: Run integration tests against emulator
+    - name: Set up CLI
+      if: steps.cache.outputs.cache-hit != 'true'
       run: |
-        npm install -g firebase-tools
-        firebase emulators:exec --only database --project fake-project-id 'pytest integration/test_db.py'
+        curl -o ${HOME}/.cache/bin/firebase --create-dirs -sL https://firebase.tools/bin/linux/latest
+        chmod +x ${HOME}/.cache/bin/firebase
+    - name: Add Firebase to path
+      run: |
+        echo Home is $HOME
+        echo GitHub Workspace is $GITHUB_WORKSPACE
+        ls -l ${HOME}/.cache
+        echo "::add-path::${HOME}/.cache/bin"
+    - name: Run integration tests against emulator
+      run: firebase emulators:exec --only database --project fake-project-id 'pytest integration/test_db.py'