Ensure parsing a serialized LogQL AST results in the same AST.

grafana · Nov 14, 2023 · 91cdb6c · 91cdb6c
1 parent 117f108
commit 91cdb6c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/pkg/logql/syntax/parser_test.go b/pkg/logql/syntax/parser_test.go
@@ -3144,6 +3144,12 @@ func TestParse(t *testing.T) {
 			ast, err := ParseExpr(tc.in)
 			require.Equal(t, tc.err, err)
 			require.Equal(t, tc.exp, ast)
+
+			if err == nil {
+				roundtrip, err := ParseExpr(ast.String())
+				require.NoError(t, err)
+				require.Equal(t, ast, roundtrip)
+			}
 		})
 	}
 }