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Merge pull request #39800 from thaJeztah/refactor_TestEscapeProxyRead

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pkg/term: refactor TestEscapeProxyRead
This commit is contained in:
Tibor Vass 2019-09-06 13:51:06 -07:00 committed by GitHub
commit 4ce040289a
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1 changed files with 130 additions and 94 deletions
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148
pkg/term/proxy_test.go
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@ -2,7 +2,6 @@ package term // import "github.com/docker/docker/pkg/term"
import (
"bytes"
"fmt"
"testing"
"gotest.tools/assert"
@ -10,106 +9,143 @@ import (
)
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), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
assert.Equal(t, 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)
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), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
assert.Equal(t, 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)
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, "nr should be zero")
assert.Equal(t, nr, 0)
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)
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), fmt.Sprintf("nr %d should be equal to the number of %d", nr, len(keys)))
assert.Equal(t, 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)
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, "nr should be zero")
assert.Equal(t, nr, 0)
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)
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, fmt.Sprintf("nr %d should be equal to the number of 1", nr))
assert.Equal(t, nr, 1)
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)
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, "nr should be equal to 0")
assert.Equal(t, nr, 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)
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, "nr should be equal to 0")
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, "nr should be equal to 0")
assert.Equal(t, nr, 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)
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, "nr should be equal to 0")
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), fmt.Sprintf("nr should be equal to %d", len(keys)))
assert.Equal(t, nr, 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)
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, "nr should be equal to 0")
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), fmt.Sprintf("nr should be equal to %d", len(keys)))
assert.Equal(t, nr, len(keys))
assert.DeepEqual(t, keys, buf)
})
}