mirror of
https://github.com/woodpecker-ci/woodpecker.git
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92 lines
2 KiB
Go
92 lines
2 KiB
Go
// Copyright 2023 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestPaginate(t *testing.T) {
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// Generic mock generator that can handle all cases
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createMock := func(pages [][]int) func(page int) []int {
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return func(page int) []int {
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if page <= 0 {
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page = 0
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} else {
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page--
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}
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if page >= len(pages) {
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return []int{}
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}
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return pages[page]
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}
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}
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tests := []struct {
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name string
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limit int
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pages [][]int
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expected []int
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apiCalls int
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}{
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{
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name: "multiple pages",
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limit: -1,
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pages: [][]int{{11, 12, 13}, {21, 22, 23}, {31, 32}},
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expected: []int{11, 12, 13, 21, 22, 23, 31, 32},
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apiCalls: 3,
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},
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{
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name: "zero limit",
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limit: 0,
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pages: [][]int{{1, 2, 3}, {1, 2, 3}, {1, 2, 3}},
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expected: []int{1, 2, 3, 1, 2, 3, 1, 2, 3},
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apiCalls: 4,
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},
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{
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name: "empty result",
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limit: 5,
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pages: [][]int{{}},
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expected: []int{},
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apiCalls: 1,
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},
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{
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name: "limit less than batch",
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limit: 2,
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pages: [][]int{{1, 2, 3, 4, 5}},
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expected: []int{1, 2},
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apiCalls: 1,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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apiExec := 0
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mock := createMock(tt.pages)
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result, _ := Paginate(func(page int) ([]int, error) {
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apiExec++
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return mock(page), nil
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}, tt.limit)
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assert.EqualValues(t, tt.apiCalls, apiExec)
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assert.EqualValues(t, tt.expected, result)
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})
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}
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}
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