a415a11279
Signed-off-by: Daniel Nephin <dnephin@docker.com> (cherry picked from commit ef01dea8935932486f03a37069720987e805dce6) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
90 lines
3.3 KiB
Go
90 lines
3.3 KiB
Go
package term // import "github.com/docker/docker/pkg/term"
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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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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assert.Len(t, keys, 0)
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assert.Len(t, buf, 0)
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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.EqualError(t, err, "read escape sequence")
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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.EqualError(t, err, "read escape sequence")
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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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