go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/milo/ui/src/testing_tools/fakes/fake_storage.ts (about)

     1  // Copyright 2022 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  export class FakeStorage implements Storage {
    16    private store = new Map<string, string>();
    17  
    18    get length() {
    19      return this.store.size;
    20    }
    21  
    22    clear(): void {
    23      this.store.clear();
    24    }
    25    getItem(key: string): string | null {
    26      return this.store.get(key) ?? null;
    27    }
    28    key(_index: number): string | null {
    29      throw new Error('Method not implemented.');
    30    }
    31    removeItem(key: string): void {
    32      this.store.delete(key);
    33    }
    34    setItem(key: string, value: string): void {
    35      this.store.set(key, value);
    36    }
    37  }