56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package util
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import (
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"github.com/stretchr/testify/require"
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"io"
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"strings"
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"testing"
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)
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func TestPeak_LimitReached(t *testing.T) {
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underlying := io.NopCloser(strings.NewReader("1234567890"))
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peaked, err := Peek(underlying, 5)
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if err != nil {
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t.Fatal(err)
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}
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require.Equal(t, []byte("12345"), peaked.PeekedBytes)
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require.Equal(t, true, peaked.LimitReached)
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all, err := io.ReadAll(peaked)
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if err != nil {
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t.Fatal(err)
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}
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require.Equal(t, []byte("1234567890"), all)
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require.Equal(t, []byte("12345"), peaked.PeekedBytes)
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require.Equal(t, true, peaked.LimitReached)
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}
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func TestPeak_LimitNotReached(t *testing.T) {
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underlying := io.NopCloser(strings.NewReader("1234567890"))
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peaked, err := Peek(underlying, 15)
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if err != nil {
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t.Fatal(err)
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}
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all, err := io.ReadAll(peaked)
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if err != nil {
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t.Fatal(err)
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}
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require.Equal(t, []byte("1234567890"), all)
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require.Equal(t, []byte("1234567890"), peaked.PeekedBytes)
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require.Equal(t, false, peaked.LimitReached)
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}
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func TestPeak_Nil(t *testing.T) {
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peaked, err := Peek(nil, 15)
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if err != nil {
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t.Fatal(err)
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}
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all, err := io.ReadAll(peaked)
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if err != nil {
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t.Fatal(err)
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}
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require.Equal(t, []byte(""), all)
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require.Equal(t, []byte(""), peaked.PeekedBytes)
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require.Equal(t, false, peaked.LimitReached)
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}
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