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- package term // import "github.com/docker/docker/pkg/term"
- import (
- "bytes"
- "testing"
- "gotest.tools/v3/assert"
- is "gotest.tools/v3/assert/cmp"
- )
- 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, len(keys))
- assert.DeepEqual(t, 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, len(keys))
- assert.DeepEqual(t, 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)
- assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
- assert.Equal(t, nr, 0)
- assert.Check(t, is.Len(keys, 0))
- assert.Check(t, is.Len(buf, 0))
- })
- 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, len(keys))
- assert.DeepEqual(t, 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)
- assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
- assert.Equal(t, nr, 0)
- assert.Check(t, is.Len(keys, 0))
- assert.Check(t, is.Len(buf, 0))
- })
- 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, 1)
- assert.DeepEqual(t, 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)
- assert.Error(t, err, "read escape sequence")
- assert.Equal(t, nr, 0)
- assert.DeepEqual(t, 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, 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)
- assert.DeepEqual(t, keys[1:], 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)
- assert.Error(t, err, "read escape sequence")
- assert.Equal(t, nr, 0, "nr should be equal to 0")
- assert.DeepEqual(t, 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, 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))
- assert.DeepEqual(t, 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)
- assert.NilError(t, err)
- assert.Equal(t, nr, 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))
- assert.DeepEqual(t, 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)
- assert.NilError(t, err)
- assert.Equal(t, 0, nr)
- assert.DeepEqual(t, keys[0:2], buf)
- buf = make([]byte, 2)
- nr, err = reader.Read(buf)
- assert.Error(t, err, "read escape sequence")
- assert.Equal(t, 0, nr)
- assert.DeepEqual(t, keys[2:4], 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)
- assert.NilError(t, err)
- assert.Equal(t, 0, nr)
- buf = make([]byte, 1)
- nr, err = reader.Read(buf)
- assert.NilError(t, err)
- assert.Equal(t, 1, nr)
- assert.DeepEqual(t, keys[:1], buf)
- buf = make([]byte, 2)
- nr, err = reader.Read(buf)
- assert.NilError(t, err)
- assert.Equal(t, 1, nr)
- assert.DeepEqual(t, keys[1:3], buf)
- buf = make([]byte, 2)
- nr, err = reader.Read(buf)
- assert.Error(t, err, "read escape sequence")
- assert.Equal(t, 0, nr)
- })
- }
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