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tail
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tests for the new Location spec

This commit is contained in:
Sridhar Ratnakumar 2013-08-09 14:57:38 -07:00
parent faf14146e7
commit 275e6442bd
1 changed files with 23 additions and 7 deletions
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30
tail_test.go
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@ -43,7 +43,7 @@ func TestMustExist(t *testing.T) {
func TestMaxLineSize(_t *testing.T) {
t := NewTailTest("maxlinesize", _t)
t.CreateFile("test.txt", "hello\nworld\nfin\nhe")
tail := t.StartTail("test.txt", Config{Follow: true, Location: -1, MaxLineSize: 3})
tail := t.StartTail("test.txt", Config{Follow: true, Location: nil, MaxLineSize: 3})
go t.VerifyTailOutput(tail, []string{"hel", "lo", "wor", "ld", "fin", "he"})
// Delete after a reasonable delay, to give tail sufficient time
@ -56,7 +56,7 @@ func TestMaxLineSize(_t *testing.T) {
func TestLocationFull(_t *testing.T) {
t := NewTailTest("location-full", _t)
t.CreateFile("test.txt", "hello\nworld\n")
tail := t.StartTail("test.txt", Config{Follow: true, Location: -1})
tail := t.StartTail("test.txt", Config{Follow: true, Location: nil})
go t.VerifyTailOutput(tail, []string{"hello", "world"})
// Delete after a reasonable delay, to give tail sufficient time
@ -69,7 +69,7 @@ func TestLocationFull(_t *testing.T) {
func TestLocationFullDontFollow(_t *testing.T) {
t := NewTailTest("location-full-dontfollow", _t)
t.CreateFile("test.txt", "hello\nworld\n")
tail := t.StartTail("test.txt", Config{Follow: false, Location: -1})
tail := t.StartTail("test.txt", Config{Follow: false, Location: nil})
go t.VerifyTailOutput(tail, []string{"hello", "world"})
// Add more data only after reasonable delay.
@ -83,7 +83,7 @@ func TestLocationFullDontFollow(_t *testing.T) {
func TestLocationEnd(_t *testing.T) {
t := NewTailTest("location-end", _t)
t.CreateFile("test.txt", "hello\nworld\n")
tail := t.StartTail("test.txt", Config{Follow: true, Location: 0})
tail := t.StartTail("test.txt", Config{Follow: true, Location: &SeekInfo{0, os.SEEK_END}})
go t.VerifyTailOutput(tail, []string{"more", "data"})
<-time.After(100 * time.Millisecond)
@ -96,6 +96,23 @@ func TestLocationEnd(_t *testing.T) {
tail.Stop()
}
func TestLocationMiddle(_t *testing.T) {
// Test reading from middle.
t := NewTailTest("location-end", _t)
t.CreateFile("test.txt", "hello\nworld\n")
tail := t.StartTail("test.txt", Config{Follow: true, Location: &SeekInfo{-6, os.SEEK_END}})
go t.VerifyTailOutput(tail, []string{"world", "more", "data"})
<-time.After(100 * time.Millisecond)
t.AppendFile("test.txt", "more\ndata\n")
// Delete after a reasonable delay, to give tail sufficient time
// to read all lines.
<-time.After(100 * time.Millisecond)
t.RemoveFile("test.txt")
tail.Stop()
}
func _TestReOpen(_t *testing.T, poll bool) {
var name string
if poll {
@ -107,7 +124,7 @@ func _TestReOpen(_t *testing.T, poll bool) {
t.CreateFile("test.txt", "hello\nworld\n")
tail := t.StartTail(
"test.txt",
Config{Follow: true, ReOpen: true, Poll: poll, Location: -1})
Config{Follow: true, ReOpen: true, Poll: poll})
go t.VerifyTailOutput(tail, []string{"hello", "world", "more", "data", "endofworld"})
@ -157,7 +174,7 @@ func _TestReSeek(_t *testing.T, poll bool) {
t.CreateFile("test.txt", "a really long string goes here\nhello\nworld\n")
tail := t.StartTail(
"test.txt",
Config{Follow: true, ReOpen: false, Poll: poll, Location: -1})
Config{Follow: true, ReOpen: false, Poll: poll})
go t.VerifyTailOutput(tail, []string{
"a really long string goes here", "hello", "world", "h311o", "w0r1d", "endofworld"})
@ -193,7 +210,6 @@ func TestRateLimiting(_t *testing.T) {
t.CreateFile("test.txt", "hello\nworld\nagain\n")
config := Config{
Follow: true,
Location: -1,
LimitRate: 2}
tail := t.StartTail("test.txt", config)
// TODO: also verify that tail resumes after the cooloff period.