feat: add github action validators, ToString(), cleanup interface (#7)

* chore: ToString() added which effectively pretty-prints (formats) the original jsonpath

* chore: add test.yaml

* chore: grammar

* chore: adjust on

* chore: clone with submodules

.github/workflows/test.yaml

@@ -0,0 +1,43 @@
+name: Test
+
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+    - opened
+    - edited
+    - synchronize
+    - reopened
+
+jobs:
+  build:
+    name: Conventional pull request names
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: amannn/action-semantic-pull-request@0723387faaf9b38adef4775cd42cfd5155ed6017 # v5.5.3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  build-test:
+    name: Build & Test
+    if: ${{ github.event.pull_request.draft == false }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: true
+      - name: Set up Go
+        uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
+        with:
+          go-version-file: "go.mod"
+      - name: Set up Node
+        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
+        with:
+          node-version: "18.x"
+          registry-url: "https://registry.npmjs.org"
+      - name: Set up gotestfmt
+        run: go install github.com/gotesttools/gotestfmt/v2/cmd/gotestfmt@latest
+      - name: Build
+        run: go build ./...
+      - run: go test -json -v -p 1 ./... | gotestfmt

integration_test.go

@@ -54,11 +54,17 @@ func TestJSONPathComplianceTestSuite(t *testing.T) {
 			// Test case for a valid selector
 			jp, err := jsonpath.NewPath(test.Selector)
 			if test.InvalidSelector {
-				require.Error(t, err, "Expected an error for invalid selector, but got none")
+				require.Error(t, err, "Expected an error for invalid selector, but got none for path", jp.String())
 				return
 			} else {
-				require.NoError(t, err, "Failed to parse JSONPath selector")
+				require.NoError(t, err, "Failed to parse JSONPath selector", jp.String())
 			}
+
+			// expect stability of ToString()
+			stringified := jp.String()
+			recursive, err := jsonpath.NewPath(stringified)
+			require.NoError(t, err, "Failed to parse recursive JSONPath selector. expected=%s got=%s", test.Selector, jp.String())
+			require.Equal(t, stringified, recursive.String(), "JSONPath selector does not match test case")
 			// interface{} to yaml.Node
 			toYAML := func(i interface{}) *yaml.Node {
 				o, err := yaml.Marshal(i)