verify generated files exist in ui/dist (#847)

* verify files script

* ui change

* minor fix

* updated scriot

* updated scriot

* updated scriot

* updated scriot

* updated scriot

* test

* make file

* removed html change

* addressing comments

.github/scripts/verify-files.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Define the path to the dist directory and index.html file
+DIST_DIR="ui/dist/ui"
+INDEX_FILE="${DIST_DIR}/index.html"
+
+# Check if index.html exists
+if [ ! -f "$INDEX_FILE" ]; then
+  echo "Error: index.html not found in $DIST_DIR"
+  exit 1
+fi
+
+# Define the patterns to search for
+declare -a patterns=("styles[^\"']*\.css" "runtime[^\"']*\.js" "polyfills[^\"']*\.js" "main[^\"']*\.js")
+
+# Flag to check if any file is missing
+MISSING_FILES=false
+
+# Check each pattern
+for pattern in "${patterns[@]}"; do
+  # Use grep to find the file reference in index.html
+  file=$(grep -oP "(?<=href=\"|src=\")$pattern(?=\")" "$INDEX_FILE" | head -n 1)
+
+  if [ -z "$file" ]; then
+    echo "Error: No file matching pattern $pattern found in $INDEX_FILE"
+    MISSING_FILES=true
+  else
+    # Check if the file exists in the dist directory
+    FILE_PATH="${DIST_DIR}/${file}"
+    if [ ! -f "$FILE_PATH" ]; then
+      echo "Error: File not found - $FILE_PATH"
+      MISSING_FILES=true
+    else
+      echo "File exists: $FILE_PATH"
+    fi
+  fi
+done
+
+# Exit with an error if any file was missing
+if [ "$MISSING_FILES" = true ]; then
+  echo "Verification failed. File mismatch issue. Please ensure that you have run ng build."
+  exit 1
+else
+  echo "All expected files are present. Verification passed."
+fi

.github/workflows/ui-generated-files-check.yaml

@@ -0,0 +1,34 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: ui-generated-files-check
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    paths:
+      - 'ui/**'
+
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Verify files
+      run: |
+        chmod +x .github/scripts/verify-files.sh
+        .github/scripts/verify-files.sh

Makefile

@@ -5,6 +5,7 @@ ifndef $(GOPATH)
 endif
 # Build the default binary
 build:
+	cd ui/ && ng build
 	go build -o spanner-migration-tool
 # Build a static binary
 build-static: