Support length for objects

nikoraes · Nov 5, 2024 · c71b977 · c71b977
1 parent 70fe5b2
commit c71b977
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Showing 3 changed files with 8 additions and 0 deletions.
diff --git a/JexlNet.ExtendedGrammar/ExtendedGrammar.cs b/JexlNet.ExtendedGrammar/ExtendedGrammar.cs
@@ -369,6 +369,10 @@ public static JsonNode Length(JsonNode input)
             {
                 return JsonValue.Create(array.Count);
             }
+            else if (input is JsonObject obj)
+            {
+                return JsonValue.Create(obj.Count);
+            }
             else if (input is JsonValue value)
             {
                 return JsonValue.Create(value.ToString().Length);

diff --git a/JexlNet.Test/Evaluator/Evaluator.cs b/JexlNet.Test/Evaluator/Evaluator.cs
@@ -45,6 +45,7 @@ public async void EvaluateExpression_ReturnString(string input, string expected)
     [InlineData(@"2 > 1", true)]
     [InlineData(@"2 <= 1", false)]
     [InlineData(@"""foo"" && 6 >= 6 && 0 + 1 && true", true)]
+    [InlineData(@"!!'foo'", true)]
     public async void EvaluateExpression_ReturnBoolean(string input, bool expected)
     {
         Evaluator _evaluator = new(new Grammar());
@@ -58,6 +59,7 @@ public async void EvaluateExpression_ReturnBoolean(string input, bool expected)
     [InlineData("$['foo'].baz.bar", "tek")]
     [InlineData("$[{bar:'foo'}.bar].baz.bar", "tek")]
     [InlineData("$[{$:'foo'}.$].baz.bar", "tek")]
+    [InlineData("(foo.bar || foo.baz).bar", "tek")]
     public async void EvaluateExpression_WithContext(string input, string expected)
     {
         JsonObject context = new()

diff --git a/JexlNet.Test/ExtendedGrammar.cs b/JexlNet.Test/ExtendedGrammar.cs
@@ -22,6 +22,8 @@ public void String(string expression, string expected)
     [InlineData("length('test123')", 7)]
     [InlineData("[\"a\",1,\"b\"]|length", 3)]
     [InlineData("$length([\"a\",1,\"b\"])", 3)]
+    [InlineData("{foo:[]}.foo|length", 0)]
+    [InlineData("{foo:'a',bar:'b'}|length", 2)]
     public void Length(string expression, int expected)
     {
         var jexl = new Jexl(new ExtendedGrammar());