add match_with operator

Author: LeandroSNunes

querybuilder/operator/match_with.go

@@ -0,0 +1,38 @@
+package operator
+
+import (
+	"reflect"
+	"regexp"
+	"strings"
+)
+
+func init() {
+	AddOperator(MatchWith)
+}
+
+var MatchWith = &Operator{
+	Name: "match_with",
+	Evaluate: func(input, value interface{}) bool {
+		rv := reflect.ValueOf(value)
+		if rv.Kind() != reflect.String {
+			return false
+		}
+
+		v := value.(string)
+		in := input.(string)
+
+		if strings.HasPrefix(v, "/") && strings.HasSuffix(v, "/") {
+			v = v[1 : len(v)-1]                   // remove slashes
+			vr, err := regexp.Compile("(?i)" + v) // add ignore case option to regex and compile it
+			if err != nil {
+				return false
+			}
+
+			if vr.MatchString(in) {
+				return true
+			}
+		}
+
+		return false
+	},
+}

querybuilder/operator/match_with_test.go

@@ -0,0 +1,25 @@
+package operator
+
+import "testing"
+
+func TestMatchWith(t *testing.T) {
+	var inputs = []struct {
+		title string
+		value interface{}
+		input interface{}
+		want  bool
+	}{
+		{title: "match-1", value: `/word\sto/`, input: "my word to match", want: true},
+		{title: "match-2", value: `/word\sto/`, input: "My Word To Match", want: true},
+		{title: "match-4", value: "word to", input: "my word to match", want: false},
+	}
+
+	for _, input := range inputs {
+		t.Run(input.title, func(t *testing.T) {
+			got := MatchWith.Evaluate(input.input, input.value)
+			if got != input.want {
+				t.Errorf("%v match with %v got: %t, want: %t", input.input, input.value, got, input.want)
+			}
+		})
+	}
+}