fix: use deep equal in contains (#87)

Signed-off-by: Charles-Edouard Brétéché <[email protected]>

Author: eddycharly

pkg/api/api_test.go

@@ -139,6 +139,12 @@ func TestSearch(t *testing.T) {
 			},
 		},
 		want: 42.0,
+	}, {
+		args: args{
+			expression: "contains(@, { foo: 'bar' })",
+			data:       []interface{}{map[string]any{}, nil, map[string]any{"foo": "bar"}},
+		},
+		want: true,
 	}}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

pkg/functions/functions.go

@@ -141,7 +141,7 @@ func jpfContains(arguments []interface{}) (interface{}, error) {
 	// Otherwise this is a generic contains for []interface{}
 	general := search.([]interface{})
 	for _, item := range general {
-		if item == el {
+		if reflect.DeepEqual(el, item) {
 			return true, nil
 		}
 	}