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package xdelta
import (
"fmt"
"runtime"
"sync"
)
type TestGroup struct {
*Runner
main *Goroutine
sync.Mutex
sync.WaitGroup
running []*Goroutine
errors []error
nonerrors []error // For tolerated / expected conditions
}
type Goroutine struct {
*TestGroup
name string
done bool
}
func (g *Goroutine) String() string {
return fmt.Sprint("[", g.name, "]")
}
func (g *Goroutine) finish(err error) {
wait := false
tg := g.TestGroup
sbuf := make([]byte, 4096)
sbuf = sbuf[0:runtime.Stack(sbuf, false)]
if err != nil {
err = fmt.Errorf("%v:%v:%v", g.name, err, string(sbuf))
}
tg.Lock()
if g.done {
if err != nil {
tg.nonerrors = append(tg.nonerrors, err)
}
} else {
wait = true
g.done = true
if err != nil {
tg.errors = append(tg.errors, err)
}
}
tg.Unlock()
if wait {
tg.WaitGroup.Done()
}
}
func (g *Goroutine) OK() {
g.finish(nil)
}
func (g *Goroutine) Panic(err error) {
g.finish(err)
runtime.Goexit()
}
func (t *TestGroup) Main() *Goroutine { return t.main }
func (t *TestGroup) Panic(err error) { t.Main().Panic(err) }
func (t *TestGroup) Go(name string, f func(*Goroutine)) *Goroutine {
g := &Goroutine{t, name, false}
t.Lock()
t.WaitGroup.Add(1)
t.running = append(t.running, g)
t.Unlock()
go f(g)
return g
}
func (t *TestGroup) Wait(procs... *Run) {
t.Main().OK()
t.WaitGroup.Wait()
for _, p := range procs {
if err := p.Wait(); err != nil {
t.errors = append(t.errors, err)
}
}
for _, err := range t.errors {
fmt.Println(":ERROR:", err)
}
for _, err := range t.nonerrors {
fmt.Println("(ERROR)", err)
}
if len(t.errors) != 0 {
t.Fail("Test failed with", len(t.errors), "errors")
}
}
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