test(resolv): non-cascaded query test

test/nginx/conf/conf.d/location.conf

@@ -1,3 +1,7 @@
-location /test1 {
-    proxy_pass http://test.test.com;  # test inline comments
+location /test1-location {
+    if ($http_api_name != '') {
+        proxy_pass http://wrong_proxy;
+        break;
+    }
+    proxy_pass http://right_proxy;  # test inline comments
 }

test/resolve/nginx/V2/query_test.go

@@ -0,0 +1,37 @@
+package V2_test
+
+import (
+	"github.com/ClessLi/bifrost/pkg/resolv/V2/nginx/configuration"
+	"github.com/ClessLi/bifrost/pkg/resolv/V2/nginx/configuration/parser"
+	"github.com/ClessLi/bifrost/pkg/resolv/V2/nginx/parser_type"
+	"strings"
+	"testing"
+)
+
+func TestQueryNonCascaded(t *testing.T) {
+
+	configPath := "../../../nginx/conf/nginx.conf"
+	config, err := configuration.NewConfigurationFromPath(configPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	testLocation, err := config.Query(`location:sep: :reg: /test1-location`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	proxyPassKW, err := parser.NewKeyWords(parser_type.TypeKey, true, `^proxy_pass\s+`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	proxyPassKW.SetCascaded(false)
+	ctx, idx := testLocation.Self().(*parser.Location).Query(proxyPassKW)
+	childP, err := ctx.GetChild(idx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.EqualFold(childP.GetValue(), "proxy_pass http://right_proxy") {
+		t.Fatalf("want: 'proxy_pass http://right_proxy', got: '%s'", childP.GetValue())
+	}
+}