// Copyright 2025 The Bucketeer Authors.
//
// 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 writer

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"go.uber.org/mock/gomock"
)

func TestGetUniqueFails(t *testing.T) {
	t.Parallel()
	mockController := gomock.NewController(t)
	defer mockController.Finish()
	patterns := []struct {
		desc     string
		input    []int
		expected []int
	}{
		{
			desc:     "Same result as input",
			input:    []int{1, 2, 3, 4, 5},
			expected: []int{1, 2, 3, 4, 5},
		},
		{
			desc:     "Remove duplicated",
			input:    []int{1, 2, 3, 4, 4},
			expected: []int{1, 2, 3, 4},
		},
	}
	for _, p := range patterns {
		t.Run(p.desc, func(t *testing.T) {
			actual := getUniqueFails(p.input)
			for _, num := range p.expected {
				assert.Contains(t, actual, num)
			}
			assert.Len(t, actual, len(p.expected))
		})
	}
}
