mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
92 lines
3.5 KiB
Go
92 lines
3.5 KiB
Go
package term
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import (
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"bytes"
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"fmt"
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"reflect"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestEscapeProxyRead(t *testing.T) {
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escapeKeys, _ := ToBytes("DEL")
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keys, _ := ToBytes("a,b,c,+")
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reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf := make([]byte, len(keys))
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nr, err := reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, len(keys), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
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require.Equal(t, keys, buf, "keys & the read buffer should be equal")
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keys, _ = ToBytes("")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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require.Error(t, err, "Should throw error when no keys are to read")
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require.EqualValues(t, nr, 0, "nr should be zero")
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require.Condition(t, func() (success bool) { return len(keys) == 0 && len(buf) == 0 }, "keys & the read buffer size should be zero")
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escapeKeys, _ = ToBytes("ctrl-x,ctrl-@")
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keys, _ = ToBytes("DEL")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, 1, fmt.Sprintf("nr %d should be equal to the number of 1", nr))
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require.Equal(t, keys, buf, "keys & the read buffer should be equal")
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escapeKeys, _ = ToBytes("ctrl-c")
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keys, _ = ToBytes("ctrl-c")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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require.Condition(t, func() (success bool) {
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return reflect.TypeOf(err).Name() == "EscapeError"
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}, err)
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require.EqualValues(t, nr, 0, "nr should be equal to 0")
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require.Equal(t, keys, buf, "keys & the read buffer should be equal")
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escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
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keys, _ = ToBytes("ctrl-c,ctrl-z")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, 1)
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, 0, "nr should be equal to 0")
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require.Equal(t, keys[0:1], buf, "keys & the read buffer should be equal")
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nr, err = reader.Read(buf)
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require.Condition(t, func() (success bool) {
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return reflect.TypeOf(err).Name() == "EscapeError"
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}, err)
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require.EqualValues(t, nr, 0, "nr should be equal to 0")
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require.Equal(t, keys[1:], buf, "keys & the read buffer should be equal")
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escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
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keys, _ = ToBytes("ctrl-c,DEL,+")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, 1)
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, 0, "nr should be equal to 0")
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require.Equal(t, keys[0:1], buf, "keys & the read buffer should be equal")
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
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require.Equal(t, keys, buf, "keys & the read buffer should be equal")
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escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
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keys, _ = ToBytes("ctrl-c,DEL")
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reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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buf = make([]byte, 1)
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, 0, "nr should be equal to 0")
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require.Equal(t, keys[0:1], buf, "keys & the read buffer should be equal")
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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require.NoError(t, err)
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require.EqualValues(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
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require.Equal(t, keys, buf, "keys & the read buffer should be equal")
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}
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