feat(adapter): registry with detect filtering and duplicate guard

internal/render/render_test.go

@@ -0,0 +1,28 @@
+package render
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestJSONIndent(t *testing.T) {
+	b, err := JSON(map[string]any{"a": 1, "b": "x"})
+	require.NoError(t, err)
+	s := string(b)
+	assert.Contains(t, s, "\"a\": 1")
+	assert.True(t, s[len(s)-1] == '\n', "trailing newline required")
+}
+
+func TestYAML(t *testing.T) {
+	b, err := YAML(map[string]any{"a": 1})
+	require.NoError(t, err)
+	assert.Contains(t, string(b), "a: 1")
+}
+
+func TestTOML(t *testing.T) {
+	b, err := TOML(map[string]any{"a": 1})
+	require.NoError(t, err)
+	assert.Contains(t, string(b), "a = 1")
+}