added tests

Author: Jamess-Lucass

src/GoatQuery/src/Lexer/Lexer.cs

@@ -48,6 +48,9 @@ public Token NextToken()
             case ')':
                 token = new Token(TokenType.RPAREN, _character);
                 break;
+            case '/':
+                token = new Token(TokenType.SLASH, _character);
+                break;
             case '\'':
                 token.Type = TokenType.STRING;
                 token.Literal = ReadString();

src/GoatQuery/src/Token/Token.cs

@@ -15,6 +15,7 @@ public enum TokenType
     BOOLEAN,
     LPAREN,
     RPAREN,
+    SLASH
 }
 
 public static class Keywords

src/GoatQuery/tests/Filter/FilterLexerTest.cs

@@ -437,6 +437,19 @@ public static IEnumerable<object[]> Parameters()
                 new (TokenType.NULL, "null"),
             }
         };
+
+        yield return new object[]
+        {
+            "manager/firstName eq 'James'",
+            new KeyValuePair<TokenType, string>[]
+            {
+                new (TokenType.IDENT, "manager"),
+                new (TokenType.SLASH, "/"),
+                new (TokenType.IDENT, "firstName"),
+                new (TokenType.IDENT, "eq"),
+                new (TokenType.STRING, "James"),
+            }
+        };
     }
 
     [Theory]

src/GoatQuery/tests/Filter/FilterParserTest.cs

@@ -25,6 +25,7 @@ public sealed class FilterParserTest
     [InlineData("balance eq null", "balance", "eq", "null")]
     [InlineData("balance ne null", "balance", "ne", "null")]
     [InlineData("name eq NULL", "name", "eq", "NULL")]
+    [InlineData("manager/firstName eq 'John'", "manager/firstName", "eq", "John")]
     public void Test_ParsingFilterStatement(string input, string expectedLeft, string expectedOperator, string expectedRight)
     {
         var lexer = new QueryLexer(input);