| // Copyright 2026 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package bigquery |
| |
| import "testing" |
| |
| func TestRandomID(t *testing.T) { |
| // A very simplistic collision test. |
| testSize := 50000 |
| colMap := make(map[string]struct{}, testSize) |
| for i := 0; i < testSize; i++ { |
| id := randomID() |
| if len(id) != 32 { |
| t.Fatalf("anomalous ID len (%d): %q", len(id), id) |
| } |
| if _, ok := colMap[id]; ok { |
| t.Fatalf("collision on id: %q", id) |
| } |
| colMap[id] = struct{}{} |
| } |
| } |