2019-10-04 22:46:49 +00:00
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package pagination_test
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2019-07-25 19:45:31 +00:00
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import (
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"strings"
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"testing"
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2019-10-04 22:46:49 +00:00
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"github.com/prysmaticlabs/prysm/shared/pagination"
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2019-07-25 19:45:31 +00:00
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)
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func TestStartAndEndPage(t *testing.T) {
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tests := []struct {
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token string
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pageSize int
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totalSize int
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nextToken string
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start int
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end int
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}{
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{
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token: "0",
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pageSize: 9,
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totalSize: 100,
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nextToken: "1",
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start: 0,
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end: 9,
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},
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{
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token: "10",
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pageSize: 4,
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totalSize: 100,
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nextToken: "11",
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start: 40,
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end: 44,
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},
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{
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token: "100",
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pageSize: 5,
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totalSize: 1000,
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nextToken: "101",
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start: 500,
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end: 505,
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},
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{
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token: "3",
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pageSize: 33,
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totalSize: 100,
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2019-12-03 17:45:43 +00:00
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nextToken: "",
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2019-07-25 19:45:31 +00:00
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start: 99,
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end: 100,
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},
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2020-06-19 14:39:12 +00:00
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{
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token: "34",
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pageSize: 500,
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totalSize: 17500,
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nextToken: "",
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start: 17000,
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end: 17500,
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},
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2019-07-25 19:45:31 +00:00
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}
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for _, test := range tests {
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2019-10-04 22:46:49 +00:00
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start, end, next, err := pagination.StartAndEndPage(test.token, test.pageSize, test.totalSize)
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2019-07-25 19:45:31 +00:00
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if err != nil {
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t.Fatal(err)
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}
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if test.start != start {
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t.Errorf("expected start and computed start are not equal %d, %d", test.start, start)
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}
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if test.end != end {
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t.Errorf("expected end and computed end are not equal %d, %d", test.end, end)
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}
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if test.nextToken != next {
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t.Errorf("expected next token and computed next token are not equal %v, %v", test.nextToken, next)
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}
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}
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}
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func TestStartAndEndPage_CannotConvertPage(t *testing.T) {
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wanted := "could not convert page token: strconv.Atoi: parsing"
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2019-10-04 22:46:49 +00:00
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if _, _, _, err := pagination.StartAndEndPage("bad", 0, 0); !strings.Contains(err.Error(), wanted) {
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2019-07-25 19:45:31 +00:00
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t.Fatalf("wanted error: %v, got error: %v", wanted, err.Error())
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}
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}
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func TestStartAndEndPage_ExceedsMaxPage(t *testing.T) {
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2019-07-26 17:07:20 +00:00
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wanted := "page start 0 >= list 0"
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2019-10-04 22:46:49 +00:00
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if _, _, _, err := pagination.StartAndEndPage("", 0, 0); !strings.Contains(err.Error(), wanted) {
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2019-07-25 19:45:31 +00:00
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t.Fatalf("wanted error: %v, got error: %v", wanted, err.Error())
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}
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}
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