/
toilfork_test.go
133 lines (83 loc) · 2.45 KB
/
toilfork_test.go
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package toilfork
import (
"testing"
"github.com/reiver/go-toil/toiltest"
"github.com/reiver/go-toil"
"math/rand"
"sync"
"time"
)
func TestNew(t *testing.T) {
newFn := func() (toil.Toiler, error) {
return nil, nil
}
newer := newFuncNewer(newFn)
toilForker := New(newer)
if nil == toilForker {
t.Errorf("After calling New(), expected returned value not to be nil, but instead was: %v", toilForker)
}
}
func TestNewFunc(t *testing.T) {
newFn := func() (toil.Toiler, error) {
return nil, nil
}
toilForker := NewFunc(newFn)
if nil == toilForker {
t.Errorf("After calling New(), expected returned value not to be nil, but instead was: %v", toilForker)
}
}
func TestLen(t *testing.T) {
newFn := func() (toil.Toiler, error) {
return nil, nil
}
toilForker := NewFunc(newFn)
length := toilForker.Len()
if expected, actual := 0, length; expected != actual {
t.Errorf("Expected the number of registered toilers to be %d, but actually was %d.", expected, actual)
return
}
}
func TestFork(t *testing.T) {
toiler := toiltest.NewRecorder()
newFn := func() (toil.Toiler, error) {
return toiler, nil
}
toilForker := NewFunc(newFn)
const NUM_FORK_TESTS = 20
for testNumber:=0; testNumber<NUM_FORK_TESTS; testNumber++ {
toilForker.Fork()
length := toilForker.Len()
if expected, actual := 1+testNumber, length; expected != actual {
t.Errorf("For test #%d, after fork, expected the number of toilers to be %d, but actually was %d.", testNumber, expected, actual)
continue
}
}
}
func TestToil(t *testing.T) {
// Initialize.
randomness := rand.New( rand.NewSource( time.Now().UTC().UnixNano() ) )
// Do tests.
const NUM_TOIL_TESTS = 20
for testNumber:=0; testNumber<NUM_TOIL_TESTS; testNumber++ {
numberOfTimesToToil := randomness.Intn(44)
var waitGroup sync.WaitGroup
waitGroup.Add(numberOfTimesToToil)
toiler := toiltest.NewRecorder()
toiler.ToilFunc(func(){
waitGroup.Done()
})
newFn := func() (toil.Toiler, error) {
return toiler, nil
}
toilForker := NewFunc(newFn)
for i:=0; i<numberOfTimesToToil; i++ {
toilForker.Fork()
}
go toilForker.Toil()
waitGroup.Wait() // Make sure all the calls on the Toil() method are done before continuing.
if expected, actual := numberOfTimesToToil, toiler.NumToiling(); expected != actual {
t.Errorf("For test #%d with, expected the number of toiling toilers to be %d, but actually was %d.", testNumber, expected, actual)
continue
}
}
}