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package roadrunner
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestErrBuffer_Write_Len(t *testing.T) {
buf := newErrBuffer()
defer func() {
err := buf.Close()
if err != nil {
t.Errorf("error during closing the buffer: error %v", err)
}
}()
_, err := buf.Write([]byte("hello"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
assert.Equal(t, 5, buf.Len())
assert.Equal(t, "hello", buf.String())
}
func TestErrBuffer_Write_Event(t *testing.T) {
buf := newErrBuffer()
defer func() {
err := buf.Close()
if err != nil {
t.Errorf("error during closing the buffer: error %v", err)
}
}()
tr := make(chan interface{})
buf.Listen(func(event int, ctx interface{}) {
assert.Equal(t, EventStderrOutput, event)
assert.Equal(t, []byte("hello\n"), ctx)
close(tr)
})
_, err := buf.Write([]byte("hello\n"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
<-tr
// messages are read
assert.Equal(t, 0, buf.Len())
}
func TestErrBuffer_Write_Event_Separated(t *testing.T) {
buf := newErrBuffer()
defer func() {
err := buf.Close()
if err != nil {
t.Errorf("error during closing the buffer: error %v", err)
}
}()
tr := make(chan interface{})
buf.Listen(func(event int, ctx interface{}) {
assert.Equal(t, EventStderrOutput, event)
assert.Equal(t, []byte("hello\nending"), ctx)
close(tr)
})
_, err := buf.Write([]byte("hel"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
_, err = buf.Write([]byte("lo\n"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
_, err = buf.Write([]byte("ending"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
<-tr
assert.Equal(t, 0, buf.Len())
assert.Equal(t, "", buf.String())
}
func TestErrBuffer_Write_Event_Separated_NoListener(t *testing.T) {
buf := newErrBuffer()
defer func() {
err := buf.Close()
if err != nil {
t.Errorf("error during closing the buffer: error %v", err)
}
}()
_, err := buf.Write([]byte("hel"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
_, err = buf.Write([]byte("lo\n"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
_, err = buf.Write([]byte("ending"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
assert.Equal(t, 12, buf.Len())
assert.Equal(t, "hello\nending", buf.String())
}
func TestErrBuffer_Write_Remaining(t *testing.T) {
buf := newErrBuffer()
defer func() {
err := buf.Close()
if err != nil {
t.Errorf("error during closing the buffer: error %v", err)
}
}()
_, err := buf.Write([]byte("hel"))
if err != nil {
t.Errorf("fail to write: error %v", err)
}
assert.Equal(t, 3, buf.Len())
assert.Equal(t, "hel", buf.String())
}
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