chore: import upstream snapshot with attribution

internal/parser/languages/json_test.go

@@ -0,0 +1,56 @@
+package languages
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/zzet/gortex/internal/graph"
+)
+
+func TestJSONExtractor_Basics(t *testing.T) {
+	src := []byte(`{
+  "name": "gortex",
+  "version": "0.9.1",
+  "scripts": {
+    "build": "go build ./...",
+    "test": "go test ./..."
+  }
+}
+`)
+	e := NewJSONExtractor()
+	require.Equal(t, "json", e.Language())
+
+	res, err := e.Extract("package.json", src)
+	require.NoError(t, err)
+
+	var gotName, gotVersion, gotScripts, gotBuildLeak bool
+	for _, n := range res.Nodes {
+		if n.Kind != graph.KindVariable {
+			continue
+		}
+		switch n.Name {
+		case "name":
+			gotName = true
+		case "version":
+			gotVersion = true
+		case "scripts":
+			gotScripts = true
+		case "build":
+			// Nested keys should NOT be extracted.
+			gotBuildLeak = true
+		}
+	}
+	assert.True(t, gotName)
+	assert.True(t, gotVersion)
+	assert.True(t, gotScripts)
+	assert.False(t, gotBuildLeak, "nested keys must not be extracted")
+}
+
+func TestJSONExtractor_EmptyInput(t *testing.T) {
+	res, err := NewJSONExtractor().Extract("e.json", []byte(""))
+	require.NoError(t, err)
+	require.Len(t, res.Nodes, 1)
+	assert.Equal(t, graph.KindFile, res.Nodes[0].Kind)
+}