andres-portainer
64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package cli
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"k8s.io/client-go/tools/remotecommand"
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)
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func Test_TerminalSizeQueue(t *testing.T) {
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t.Parallel()
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t.Run("Next returns pushed size", func(t *testing.T) {
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q := NewTerminalSizeQueue()
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defer q.Close()
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go q.Push(80, 24)
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size := q.Next()
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require.NotNil(t, size)
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require.Equal(t, uint16(80), size.Width)
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require.Equal(t, uint16(24), size.Height)
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})
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t.Run("Next returns sizes in push order", func(t *testing.T) {
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q := NewTerminalSizeQueue()
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defer q.Close()
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go q.Push(80, 24)
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size := q.Next()
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require.NotNil(t, size)
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require.Equal(t, uint16(80), size.Width)
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require.Equal(t, uint16(24), size.Height)
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go q.Push(120, 40)
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size = q.Next()
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require.NotNil(t, size)
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require.Equal(t, uint16(120), size.Width)
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require.Equal(t, uint16(40), size.Height)
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})
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t.Run("Close causes Next to return nil", func(t *testing.T) {
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q := NewTerminalSizeQueue()
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q.Close()
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size := q.Next()
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require.Nil(t, size)
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})
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t.Run("Next unblocks when queue is closed", func(t *testing.T) {
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q := NewTerminalSizeQueue()
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result := make(chan *remotecommand.TerminalSize, 1)
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go func() { result <- q.Next() }()
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q.Close()
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require.Nil(t, <-result)
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})
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t.Run("Close is idempotent", func(t *testing.T) {
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q := NewTerminalSizeQueue()
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q.Close()
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q.Close()
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})
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}
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