69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
package paginator
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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 TestCut(t *testing.T) {
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items := []int{1, 2, 3}
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page := 2
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limit := 1
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pageCount := 1
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pag := New(items, page, limit, pageCount)
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t.Logf("pag: %s", pag)
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}
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func TestNilItems(t *testing.T) {
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pag := New[int](nil, 1, 10, 0)
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assert.Equal(t, 0, pag.TotalCount())
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assert.Equal(t, 0, pag.TotalPage())
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assert.Empty(t, pag.Items())
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assert.Equal(t, 0, pag.CurPage())
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assert.Equal(t, 0, pag.PreviewPage())
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assert.Equal(t, 0, pag.NextPage())
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assert.Equal(t, 0, pag.FirstPage())
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assert.Equal(t, 0, pag.LastPage())
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assert.Empty(t, pag.PageRange())
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}
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func TestEmptyItems(t *testing.T) {
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pag := New([]int{}, 1, 10, 0)
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assert.Equal(t, 0, pag.TotalCount())
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assert.Equal(t, 0, pag.TotalPage())
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assert.Empty(t, pag.Items())
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assert.Equal(t, 0, pag.CurPage())
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assert.Equal(t, 0, pag.PreviewPage())
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assert.Equal(t, 0, pag.NextPage())
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assert.Equal(t, 0, pag.FirstPage())
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assert.Equal(t, 0, pag.LastPage())
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assert.Empty(t, pag.PageRange())
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}
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func TestNilItemsWithDifferentPages(t *testing.T) {
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tests := []struct {
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name string
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page int
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limit int
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pageCount int
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}{
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{name: "page=0,limit=1", page: 0, limit: 1, pageCount: 0},
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{name: "page=1,limit=1", page: 1, limit: 1, pageCount: 0},
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{name: "page=5,limit=10", page: 5, limit: 10, pageCount: 0},
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{name: "page=1,limit=1,pageCount=3", page: 1, limit: 1, pageCount: 3},
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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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pag := New[string](nil, tt.page, tt.limit, tt.pageCount)
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assert.Equal(t, 0, pag.TotalCount())
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assert.Equal(t, 0, pag.TotalPage())
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assert.Empty(t, pag.Items())
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})
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}
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}
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