package term
import (
"bytes"
"testing"
)
func TestEscapeProxyRead(t *testing.T) {
t.Run("no escape keys, keys [a]", func(t *testing.T) {
escapeKeys, _ := ToBytes("")
keys, _ := ToBytes("a")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("no escape keys, keys [a,b,c]", func(t *testing.T) {
escapeKeys, _ := ToBytes("")
keys, _ := ToBytes("a,b,c")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("no escape keys, no keys", func(t *testing.T) {
escapeKeys, _ := ToBytes("")
keys, _ := ToBytes("")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if err == nil {
t.Error("expected an error when there are no keys are to read")
}
if expected := 0; len(keys) != expected {
t.Errorf("expected: %d, got: %d", expected, len(keys))
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if expected := len(keys); len(buf) != expected {
t.Errorf("expected: %d, got: %d", expected, len(buf))
}
})
t.Run("DEL escape key, keys [a,b,c,+]", func(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)
if err != nil {
t.Error(err)
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("DEL escape key, no keys", func(t *testing.T) {
escapeKeys, _ := ToBytes("DEL")
keys, _ := ToBytes("")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if err == nil {
t.Error("expected an error when there are no keys are to read")
}
if expected := 0; len(keys) != expected {
t.Errorf("expected: %d, got: %d", expected, len(keys))
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if expected := len(keys); len(buf) != expected {
t.Errorf("expected: %d, got: %d", expected, len(buf))
}
})
t.Run("ctrl-x,ctrl-@ escape key, keys [DEL]", func(t *testing.T) {
escapeKeys, _ := ToBytes("ctrl-x,ctrl-@")
keys, _ := ToBytes("DEL")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := 1; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-c escape key, keys [ctrl-c]", func(t *testing.T) {
escapeKeys, _ := ToBytes("ctrl-c")
keys, _ := ToBytes("ctrl-c")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, len(keys))
nr, err := reader.Read(buf)
if expected := "read escape sequence"; err == nil || err.Error() != expected {
t.Errorf("expected: %v, got: %v", expected, err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-c,ctrl-z escape key, keys [ctrl-c],[ctrl-z]", func(t *testing.T) {
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)
if err != nil {
t.Error(err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[0:1]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
nr, err = reader.Read(buf)
if expected := "read escape sequence"; err == nil || err.Error() != expected {
t.Errorf("expected: %v, got: %v", expected, err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[1:]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-c,ctrl-z escape key, keys [ctrl-c,ctrl-z]", func(t *testing.T) {
escapeKeys, _ := ToBytes("ctrl-c,ctrl-z")
keys, _ := ToBytes("ctrl-c,ctrl-z")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, 2)
nr, err := reader.Read(buf)
if expected := "read escape sequence"; err == nil || err.Error() != expected {
t.Errorf("expected: %v, got: %v", expected, err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-c,ctrl-z escape key, keys [ctrl-c],[DEL,+]", func(t *testing.T) {
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)
if err != nil {
t.Error(err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[0:1]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-c,ctrl-z escape key, keys [ctrl-c],[DEL]", func(t *testing.T) {
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)
if err != nil {
t.Error(err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[0:1]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
buf = make([]byte, len(keys))
nr, err = reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := len(keys); nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("a,b,c,d escape key, keys [a,b],[c,d]", func(t *testing.T) {
escapeKeys, _ := ToBytes("a,b,c,d")
keys, _ := ToBytes("a,b,c,d")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, 2)
nr, err := reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[0:2]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
buf = make([]byte, 2)
nr, err = reader.Read(buf)
if expected := "read escape sequence"; err == nil || err.Error() != expected {
t.Errorf("expected: %v, got: %v", expected, err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[2:4]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
})
t.Run("ctrl-p,ctrl-q escape key, keys [ctrl-p],[a],[ctrl-p,ctrl-q]", func(t *testing.T) {
escapeKeys, _ := ToBytes("ctrl-p,ctrl-q")
keys, _ := ToBytes("ctrl-p,a,ctrl-p,ctrl-q")
reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
buf := make([]byte, 1)
nr, err := reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
buf = make([]byte, 1)
nr, err = reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := 1; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[:1]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
buf = make([]byte, 2)
nr, err = reader.Read(buf)
if err != nil {
t.Error(err)
}
if expected := 1; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
if !bytes.Equal(buf, keys[1:3]) {
t.Errorf("expected: %+v, got: %+v", keys, buf)
}
buf = make([]byte, 2)
nr, err = reader.Read(buf)
if expected := "read escape sequence"; err == nil || err.Error() != expected {
t.Errorf("expected: %v, got: %v", expected, err)
}
if expected := 0; nr != expected {
t.Errorf("expected: %d, got: %d", expected, nr)
}
})
}