pkg/term: refactor TestEscapeProxyRead
- use subtests to make it clearer what the individual test-cases are, and to prevent tests from depending on values set by the previous test(s). - remove redundant messages in assert (gotest.tools already prints a useful message if assertions fail). Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
parent
5c0d487416
commit
556d26c07d
1 changed files with 130 additions and 94 deletions
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@ -2,7 +2,6 @@ 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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"gotest.tools/assert"
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@ -10,106 +9,143 @@ import (
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)
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func TestEscapeProxyRead(t *testing.T) {
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escapeKeys, _ := ToBytes("")
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keys, _ := ToBytes("a")
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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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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
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assert.DeepEqual(t, keys, buf)
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t.Run("no escape keys, keys a", func(t *testing.T) {
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escapeKeys, _ := ToBytes("")
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keys, _ := ToBytes("a")
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reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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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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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
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assert.DeepEqual(t, keys, buf)
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buf := make([]byte, len(keys))
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nr, err := reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys))
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assert.DeepEqual(t, keys, buf)
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})
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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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assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
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assert.Equal(t, nr, 0, "nr should be zero")
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assert.Check(t, is.Len(keys, 0))
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assert.Check(t, is.Len(buf, 0))
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t.Run("no escape keys, keys a,b,c", func(t *testing.T) {
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escapeKeys, _ := ToBytes("")
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keys, _ := ToBytes("a,b,c")
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reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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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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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
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assert.DeepEqual(t, keys, buf)
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buf := make([]byte, len(keys))
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nr, err := reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys))
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assert.DeepEqual(t, keys, buf)
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})
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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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assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
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assert.Equal(t, nr, 0, "nr should be zero")
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assert.Check(t, is.Len(keys, 0))
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assert.Check(t, is.Len(buf, 0))
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t.Run("no escape keys, no keys", func(t *testing.T) {
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escapeKeys, _ := ToBytes("")
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keys, _ := ToBytes("")
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reader := NewEscapeProxy(bytes.NewReader(keys), escapeKeys)
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 1, fmt.Sprintf("nr %d should be equal to the number of 1", nr))
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assert.DeepEqual(t, keys, buf)
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buf := make([]byte, len(keys))
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nr, err := reader.Read(buf)
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assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
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assert.Equal(t, nr, 0)
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assert.Check(t, is.Len(keys, 0))
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assert.Check(t, is.Len(buf, 0))
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})
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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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assert.Error(t, err, "read escape sequence")
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assert.Equal(t, nr, 0, "nr should be equal to 0")
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assert.DeepEqual(t, keys, buf)
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t.Run("DEL escape key, keys a,b,c,+", func(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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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0, "nr should be equal to 0")
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assert.DeepEqual(t, keys[0:1], buf)
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nr, err = reader.Read(buf)
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assert.Error(t, err, "read escape sequence")
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assert.Equal(t, nr, 0, "nr should be equal to 0")
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assert.DeepEqual(t, keys[1:], buf)
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buf := make([]byte, len(keys))
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nr, err := reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys))
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assert.DeepEqual(t, keys, buf)
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})
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0, "nr should be equal to 0")
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assert.DeepEqual(t, keys[0:1], buf)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
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assert.DeepEqual(t, keys, buf)
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t.Run("DEL escape key, no keys", func(t *testing.T) {
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escapeKeys, _ := ToBytes("DEL")
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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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assert.Assert(t, is.ErrorContains(err, ""), "Should throw error when no keys are to read")
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assert.Equal(t, nr, 0)
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assert.Check(t, is.Len(keys, 0))
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assert.Check(t, is.Len(buf, 0))
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})
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t.Run("ctrl-x,ctrl-@ escape key, keys DEL", func(t *testing.T) {
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 1)
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assert.DeepEqual(t, keys, buf)
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})
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t.Run("ctrl-c escape key, keys ctrl-c", func(t *testing.T) {
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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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assert.Error(t, err, "read escape sequence")
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assert.Equal(t, nr, 0)
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assert.DeepEqual(t, keys, buf)
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})
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t.Run("ctrl-c,ctrl-z escape key, keys ctrl-c,ctrl-z", func(t *testing.T) {
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0)
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assert.DeepEqual(t, keys[0:1], buf)
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nr, err = reader.Read(buf)
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assert.Error(t, err, "read escape sequence")
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assert.Equal(t, nr, 0)
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assert.DeepEqual(t, keys[1:], buf)
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})
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t.Run("ctrl-c,ctrl-z escape key, keys ctrl-c,DEL,+", func(t *testing.T) {
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0)
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assert.DeepEqual(t, keys[0:1], buf)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys))
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assert.DeepEqual(t, keys, buf)
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})
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t.Run("ctrl-c,ctrl-z escape key, keys ctrl-c,DEL", func(t *testing.T) {
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0)
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assert.DeepEqual(t, keys[0:1], buf)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys))
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assert.DeepEqual(t, keys, buf)
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})
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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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assert.NilError(t, err)
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assert.Equal(t, nr, 0, "nr should be equal to 0")
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assert.DeepEqual(t, keys[0:1], buf)
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buf = make([]byte, len(keys))
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nr, err = reader.Read(buf)
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assert.NilError(t, err)
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assert.Equal(t, nr, len(keys), fmt.Sprintf("nr should be equal to %d", len(keys)))
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assert.DeepEqual(t, keys, buf)
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}
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