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