Ilia Denisov
126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
package shared_test
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import (
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"encoding/base64"
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"strconv"
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"testing"
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"galaxy/lobby/internal/service/shared"
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"github.com/stretchr/testify/require"
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)
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func TestParsePageDefaults(t *testing.T) {
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t.Parallel()
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page, err := shared.ParsePage("", "")
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require.NoError(t, err)
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require.Equal(t, shared.Page{Size: shared.DefaultPageSize, Offset: 0}, page)
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}
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func TestParsePageHonoursSize(t *testing.T) {
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t.Parallel()
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page, err := shared.ParsePage("75", "")
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require.NoError(t, err)
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require.Equal(t, shared.Page{Size: 75, Offset: 0}, page)
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}
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func TestParsePageHonoursToken(t *testing.T) {
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t.Parallel()
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token := shared.EncodeToken(150)
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page, err := shared.ParsePage("", token)
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require.NoError(t, err)
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require.Equal(t, shared.Page{Size: shared.DefaultPageSize, Offset: 150}, page)
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}
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func TestParsePageRejectsBadSize(t *testing.T) {
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t.Parallel()
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cases := []string{"abc", "0", "-3", strconv.Itoa(shared.MaxPageSize + 1)}
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for _, raw := range cases {
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t.Run(raw, func(t *testing.T) {
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t.Parallel()
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_, err := shared.ParsePage(raw, "")
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require.Error(t, err)
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require.Contains(t, err.Error(), "invalid page_size")
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})
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}
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}
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func TestParsePageRejectsBadToken(t *testing.T) {
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t.Parallel()
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negative := base64.RawURLEncoding.EncodeToString([]byte("-1"))
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notInt := base64.RawURLEncoding.EncodeToString([]byte("abc"))
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cases := []string{"!!!", negative, notInt}
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for _, raw := range cases {
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t.Run(raw, func(t *testing.T) {
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t.Parallel()
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_, err := shared.ParsePage("", raw)
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require.Error(t, err)
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require.Contains(t, err.Error(), "invalid page_token")
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})
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}
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}
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func TestEncodeTokenRoundtrip(t *testing.T) {
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t.Parallel()
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token := shared.EncodeToken(42)
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page, err := shared.ParsePage("", token)
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require.NoError(t, err)
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require.Equal(t, 42, page.Offset)
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}
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func TestWindowFirstPageWithMore(t *testing.T) {
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t.Parallel()
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start, end, nextOffset, hasMore := shared.Window(120, shared.Page{Size: 50})
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require.Equal(t, 0, start)
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require.Equal(t, 50, end)
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require.Equal(t, 50, nextOffset)
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require.True(t, hasMore)
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}
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func TestWindowMiddlePage(t *testing.T) {
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t.Parallel()
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start, end, nextOffset, hasMore := shared.Window(120, shared.Page{Size: 50, Offset: 50})
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require.Equal(t, 50, start)
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require.Equal(t, 100, end)
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require.Equal(t, 100, nextOffset)
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require.True(t, hasMore)
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}
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func TestWindowLastPageExact(t *testing.T) {
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t.Parallel()
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start, end, nextOffset, hasMore := shared.Window(100, shared.Page{Size: 50, Offset: 50})
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require.Equal(t, 50, start)
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require.Equal(t, 100, end)
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require.Equal(t, 0, nextOffset)
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require.False(t, hasMore)
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}
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func TestWindowOffsetPastEnd(t *testing.T) {
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t.Parallel()
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start, end, nextOffset, hasMore := shared.Window(10, shared.Page{Size: 50, Offset: 200})
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require.Equal(t, 10, start)
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require.Equal(t, 10, end)
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require.Equal(t, 0, nextOffset)
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require.False(t, hasMore)
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}
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func TestWindowZeroSizeFallsBackToDefault(t *testing.T) {
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t.Parallel()
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start, end, _, hasMore := shared.Window(120, shared.Page{Size: 0})
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require.Equal(t, 0, start)
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require.Equal(t, shared.DefaultPageSize, end)
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require.True(t, hasMore)
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}
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