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pagination_test.go
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pagination_test.go
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package bom
import (
"reflect"
"testing"
)
func TestNewPagination(t *testing.T) {
type args struct {
page int32
size int32
}
tests := []struct {
name string
args args
want *Pagination
}{
{name: "test standard initialization", args: args{page: 1, size: 20}, want: &Pagination{
TotalCount: 0,
TotalPages: 0,
CurrentPage: 1,
Size: 20,
}},
{name: "test the case when passed 0", args: args{page: 0, size: 20}, want: &Pagination{
TotalCount: 0,
TotalPages: 0,
CurrentPage: 1,
Size: 20,
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewPagination(tt.args.page, tt.args.size); !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewPagination() = %v, want %v", got, tt.want)
}
})
}
}
func TestPagination_CalculateOffset(t *testing.T) {
type fields struct {
CurrentPage int32
Size int32
}
tests := []struct {
name string
fields fields
want int32
want1 int32
}{
{name: "page1", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 1, Size: 20}, want: 20, want1: 0},
{name: "page2", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 2, Size: 20}, want: 20, want1: 20},
{name: "page3", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 3, Size: 20}, want: 20, want1: 40},
{name: "page4", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 4, Size: 5}, want: 5, want1: 15},
{name: "incorrect offest", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 0, Size: 50}, want: 50, want1: 0},
{name: "incorrect offest2", fields: struct {
CurrentPage int32
Size int32
}{CurrentPage: 0, Size: -100}, want: 20, want1: 0},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := &Pagination{
CurrentPage: tt.fields.CurrentPage,
Size: tt.fields.Size,
}
got, got1 := p.CalculateOffset()
if got != tt.want {
t.Errorf("CalculateOffset() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("CalculateOffset() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestPagination_WithTotal(t *testing.T) {
type fields struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}
type args struct {
count int32
}
tests := []struct {
name string
fields fields
args args
want *Pagination
}{
{name: "init", fields: struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}{CurrentPage: 1, Size: 50}, args: struct{ count int32 }{count: 100}, want: &Pagination{
TotalCount: 100,
TotalPages: 2,
CurrentPage: 1,
Size: 50,
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := &Pagination{
TotalCount: tt.fields.TotalCount,
TotalPages: tt.fields.TotalPages,
CurrentPage: tt.fields.CurrentPage,
Size: tt.fields.Size,
}
if got := p.WithTotal(tt.args.count); !reflect.DeepEqual(got, tt.want) {
t.Errorf("WithTotal() = %v, want %v", got, tt.want)
}
})
}
}
func TestPagination_getTotalPages(t *testing.T) {
type fields struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}
tests := []struct {
name string
fields fields
want int32
}{
{name: "case 1", fields: struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}{TotalCount: 100, Size: 50}, want: 2},
{name: "case 2", fields: struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}{TotalCount: 80, Size: 50}, want: 2},
{name: "case 3", fields: struct {
TotalCount int32
TotalPages int32
CurrentPage int32
Size int32
}{TotalCount: 51, Size: 50}, want: 2},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := &Pagination{
TotalCount: tt.fields.TotalCount,
TotalPages: tt.fields.TotalPages,
CurrentPage: tt.fields.CurrentPage,
Size: tt.fields.Size,
}
if got := p.getTotalPages(); got != tt.want {
t.Errorf("getTotalPages() = %v, want %v", got, tt.want)
}
})
}
}