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moby--moby/pkg/term/proxy_test.go
Daniel Nephin c9e52bd0da Post migration assertion fixes
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-03-16 11:03:46 -04:00

89 lines
3 KiB
Go

package term // import "github.com/docker/docker/pkg/term"
import (
"bytes"
"fmt"
"testing"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
)
func TestEscapeProxyRead(t *testing.T) {
escapeKeys, _ := ToBytes("DEL")
keys, _ := ToBytes("a,b,c,+")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, len(keys), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
assert.DeepEqual(t, keys, buf)
keys, _ = ToBytes("")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
assert.Equal(t, nr, 0, "nr should be zero")
assert.Check(t, is.Len(keys, 0))
assert.Check(t, is.Len(buf, 0))
escapeKeys, _ = ToBytes("ctrl-x,ctrl-@")
keys, _ = ToBytes("DEL")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, 1, fmt.Sprintf("nr %d should be equal to the number of 1", nr))
assert.DeepEqual(t, keys, buf)
escapeKeys, _ = ToBytes("ctrl-c")
keys, _ = ToBytes("ctrl-c")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
assert.Error(t, err, "read escape sequence")
assert.Equal(t, nr, 0, "nr should be equal to 0")
assert.DeepEqual(t, keys, buf)
escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
keys, _ = ToBytes("ctrl-c,ctrl-z")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, 1)
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, 0, "nr should be equal to 0")
assert.DeepEqual(t, keys[0:1], buf)
nr, err = reader.Read(buf)
assert.Error(t, err, "read escape sequence")
assert.Equal(t, nr, 0, "nr should be equal to 0")
assert.DeepEqual(t, keys[1:], buf)
escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
keys, _ = ToBytes("ctrl-c,DEL,+")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, 1)
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, 0, "nr should be equal to 0")
assert.DeepEqual(t, keys[0:1], buf)
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
assert.DeepEqual(t, keys, buf)
escapeKeys, _ = ToBytes("ctrl-c,ctrl-z")
keys, _ = ToBytes("ctrl-c,DEL")
reader = NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf = make([]byte, 1)
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, 0, "nr should be equal to 0")
assert.DeepEqual(t, keys[0:1], buf)
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
assert.NilError(t, err)
assert.Equal(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
assert.DeepEqual(t, keys, buf)
}