added assertions, fixed script a bit

Author: klpx

.github/workflows/test.yml

@@ -5,12 +5,31 @@ jobs:
   case-basic:
     runs-on: ubuntu-latest
     steps:
-      - uses: ./
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: execute
+        uses: ./
+        id: execute
         with:
-          path: ./tests
+          working-directory: ./tests/basic/
           values: |
             values.yml
             values-override.yml
           output: |
             app_name = .appName
             host = .nginx.host
+
+      - name: validate result (app_name)
+        uses: nick-fields/assert-action@v2
+        continue-on-error: true
+        with:
+          expected: default
+          actual: ${{ steps.execute.outputs.app_name }}
+
+      - name: validate result (host)
+        uses: nick-fields/assert-action@v2
+        continue-on-error: true
+        with:
+          expected: ton.org
+          actual: ${{ steps.execute.outputs.host }}

action.yaml

@@ -5,10 +5,9 @@ description:
   Because of dynamic nature of output variables, they are written to $GITHUB_OUTPUT.
   So no output is defined in this action
 inputs:
-  path:
+  working-directory:
     description: Base directory for values files
     required: false
-    default: '.'
   values:
     description: List of values files, separated by newline
     required: true
@@ -30,11 +29,13 @@ runs:
     - name: Extract Helm values
       id: extract
       shell: bash
+      working-directory: ${{ inputs.working-directory }}
       run: |
         EXPRS=()
         while IFS= read -r line; do
           [[ -z "$line" ]] && continue
           EXPRS+=("$line")
         done <<< "${{ inputs.output }}"
         
-        ${{ github.action_path }}/read-values.bash <<< "${{ inputs.values_files }}" >> "$GITHUB_OUTPUT"
+        ${{ github.action_path }}/read-values.bash $EXPRS <<< "${{ inputs.values }}" >> "$GITHUB_OUTPUT"
+

read-values.bash

@@ -28,7 +28,7 @@ for out in "$@"; do
 
   IFS='=' read -r KEY EXPR <<< "$out"
 
-  # trim surronding whitespace
+  # trim surrounding whitespace
   KEY="${KEY##+([[:space:]])}"
   KEY="${KEY%%+([[:space:]])}"
   EXPR="${EXPR##+([[:space:]])}"