package term // import "github.com/docker/docker/pkg/term" import ( "bytes" "fmt" "testing" "gotest.tools/assert" is "gotest.tools/assert/cmp" ) func TestEscapeProxyRead(t *testing.T) { escapeKeys, _ := ToBytes("") keys, _ := ToBytes("a") 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("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("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) }