Implemented support for loading configuration from nested subdirectories

internal/validate/standard_validator_test.go

@@ -116,6 +116,49 @@ func TestStandardValidatorJSONSchemaSuccess(t *testing.T) {
 	}
 }
 
+func TestStandardValidatorJSONSchemaNestedSchemaPathSuccess(t *testing.T) {
+	tmp := t.TempDir()
+	nestedDir := filepath.Join(tmp, "dnd")
+	if err := os.MkdirAll(nestedDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(nestedDir, "schema.json"), []byte(`{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "required": ["name"],
+  "properties": {
+    "name": {"type": "string"}
+  }
+}`), 0644); err != nil {
+		t.Fatal(err)
+	}
+
+	v := NewStandardValidator(tmp)
+
+	res, err := v.Validate(context.Background(), &domain.Artifact{Body: []byte(`{"name":"eris"}`)}, domain.OutputContract{
+		ValidationMode: domain.ValidationJSONSchema,
+		SchemaPath:     filepath.Join("dnd", "schema.json"),
+	})
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+	if res.Status != domain.ValidationPassed || !res.IsValid {
+		t.Fatalf("expected passed/valid, got status=%q valid=%v", res.Status, res.IsValid)
+	}
+}
+
+func TestStandardValidatorJSONSchemaNestedSchemaPathMissing(t *testing.T) {
+	v := NewStandardValidator(t.TempDir())
+
+	_, err := v.Validate(context.Background(), &domain.Artifact{Body: []byte(`{"name":"eris"}`)}, domain.OutputContract{
+		ValidationMode: domain.ValidationJSONSchema,
+		SchemaPath:     filepath.Join("dnd", "missing.json"),
+	})
+	if err == nil {
+		t.Fatal("expected nested schema load error")
+	}
+}
+
 func TestStandardValidatorJSONSchemaFailure(t *testing.T) {
 	tmp := t.TempDir()
 	schemaPath := filepath.Join(tmp, "schema.json")