Files
cmautobuy/admin/service/pagination_test.go
T

112 lines
3.3 KiB
Go
Raw Normal View History

package service
import "testing"
func TestParsePage_非法值当作第1页(t *testing.T) {
cases := []string{"", "abc", "0", "-1", "-100", " "}
for _, c := range cases {
if got := ParsePage(c); got != 1 {
t.Errorf("ParsePage(%q) = %d,想要 1", c, got)
}
}
}
func TestParsePage_合法值原样返回(t *testing.T) {
cases := map[string]int{"1": 1, "2": 2, "9999": 9999, " 3 ": 3}
for in, want := range cases {
if got := ParsePage(in); got != want {
t.Errorf("ParsePage(%q) = %d,想要 %d", in, got, want)
}
}
}
func TestTotalPages_总数为0返回1不是0(t *testing.T) {
if got := TotalPages(0); got != 1 {
t.Errorf("TotalPages(0) = %d,想要 1(不能出现『第 1/0 页』)", got)
}
}
func TestTotalPages_按PageSize向上取整(t *testing.T) {
cases := map[int]int{
1: 1,
PageSize: 1,
PageSize + 1: 2,
PageSize * 2: 2,
5195: 260, // 工单 #43 实测样本量:5195 条 / 20 条一页 = 260 页
}
for total, want := range cases {
if got := TotalPages(total); got != want {
t.Errorf("TotalPages(%d) = %d,想要 %d", total, got, want)
}
}
}
func TestClampPage_越界兜到最后一页(t *testing.T) {
if got := ClampPage(9999, 260); got != 260 {
t.Errorf("ClampPage(9999, 260) = %d,想要 260(兜到最后一页,不是空表格)", got)
}
}
func TestClampPage_小于1当作第1页(t *testing.T) {
for _, p := range []int{0, -1, -100} {
if got := ClampPage(p, 260); got != 1 {
t.Errorf("ClampPage(%d, 260) = %d,想要 1", p, got)
}
}
}
func TestClampPage_合法范围原样返回(t *testing.T) {
if got := ClampPage(3, 260); got != 3 {
t.Errorf("ClampPage(3, 260) = %d,想要 3", got)
}
}
func TestNewPaginationView_首页禁用上一页和首页(t *testing.T) {
v := NewPaginationView(1, 260, "")
if v.HasPrev {
t.Error("第 1 页时 HasPrev 应为 false(首页/上一页要禁用)")
}
if !v.HasNext {
t.Error("第 1 页且总页数 > 1 时 HasNext 应为 true")
}
}
func TestNewPaginationView_末页禁用下一页和末页(t *testing.T) {
v := NewPaginationView(260, 260, "")
if v.HasPrev != true {
t.Error("最后一页时 HasPrev 应为 true(前面还有页)")
}
if v.HasNext {
t.Error("最后一页时 HasNext 应为 false(下一页/末页要禁用)")
}
}
func TestNewPaginationView_总数为0时首尾都禁用(t *testing.T) {
v := NewPaginationView(1, 1, "")
if v.HasPrev || v.HasNext {
t.Errorf("只有 1 页时前后都应禁用,HasPrev=%v HasNext=%v", v.HasPrev, v.HasNext)
}
}
func TestNewPaginationView_URL带上筛选条件(t *testing.T) {
v := NewPaginationView(2, 260, "status=no_link")
if v.PrevURL != "?status=no_link&page=1" {
t.Errorf("PrevURL = %q,想要 ?status=no_link&page=1", v.PrevURL)
}
if v.NextURL != "?status=no_link&page=3" {
t.Errorf("NextURL = %q,想要 ?status=no_link&page=3", v.NextURL)
}
if v.FirstURL != "?status=no_link&page=1" {
t.Errorf("FirstURL = %q,想要 ?status=no_link&page=1", v.FirstURL)
}
if v.LastURL != "?status=no_link&page=260" {
t.Errorf("LastURL = %q,想要 ?status=no_link&page=260", v.LastURL)
}
}
func TestPaginationURL_无筛选条件时只有page(t *testing.T) {
if got := PaginationURL("", 3); got != "?page=3" {
t.Errorf("PaginationURL(\"\", 3) = %q,想要 ?page=3", got)
}
}