woodpecker/server/worker/pool/pool_test.go

104 lines
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2014-09-29 01:36:24 +00:00
package pool
import (
"testing"
"code.google.com/p/go.net/context"
"github.com/drone/drone/server/worker"
"github.com/franela/goblin"
)
func TestPool(t *testing.T) {
g := goblin.Goblin(t)
g.Describe("Pool", func() {
g.It("Should allocate workers", func() {
w := mockWorker{}
pool := New()
pool.Allocate(&w)
g.Assert(len(pool.workers)).Equal(1)
g.Assert(len(pool.workerc)).Equal(1)
g.Assert(pool.workers[&w]).Equal(true)
})
g.It("Should not re-allocate an allocated worker", func() {
w := mockWorker{}
pool := New()
g.Assert(pool.Allocate(&w)).Equal(true)
g.Assert(pool.Allocate(&w)).Equal(false)
})
g.It("Should reserve a worker", func() {
w := mockWorker{}
pool := New()
pool.Allocate(&w)
g.Assert(<-pool.Reserve()).Equal(&w)
})
g.It("Should release a worker", func() {
w := mockWorker{}
pool := New()
pool.Allocate(&w)
g.Assert(len(pool.workerc)).Equal(1)
g.Assert(<-pool.Reserve()).Equal(&w)
g.Assert(len(pool.workerc)).Equal(0)
pool.Release(&w)
g.Assert(len(pool.workerc)).Equal(1)
g.Assert(<-pool.Reserve()).Equal(&w)
g.Assert(len(pool.workerc)).Equal(0)
})
g.It("Should not release an unallocated worker", func() {
w := mockWorker{}
pool := New()
g.Assert(len(pool.workers)).Equal(0)
g.Assert(len(pool.workerc)).Equal(0)
pool.Release(&w)
g.Assert(len(pool.workers)).Equal(0)
g.Assert(len(pool.workerc)).Equal(0)
pool.Release(nil)
g.Assert(len(pool.workers)).Equal(0)
g.Assert(len(pool.workerc)).Equal(0)
})
g.It("Should list all allocated workers", func() {
w1 := mockWorker{}
w2 := mockWorker{}
pool := New()
pool.Allocate(&w1)
pool.Allocate(&w2)
g.Assert(len(pool.workers)).Equal(2)
g.Assert(len(pool.workerc)).Equal(2)
g.Assert(len(pool.List())).Equal(2)
})
g.It("Should remove a worker", func() {
w1 := mockWorker{}
w2 := mockWorker{}
pool := New()
pool.Allocate(&w1)
pool.Allocate(&w2)
g.Assert(len(pool.workers)).Equal(2)
pool.Deallocate(&w1)
pool.Deallocate(&w2)
g.Assert(len(pool.workers)).Equal(0)
g.Assert(len(pool.List())).Equal(0)
})
g.It("Should add / retrieve from context", func() {
c := context.Background()
p := New()
c = NewContext(c, p)
g.Assert(FromContext(c)).Equal(p)
})
})
}
// fake worker for testing purpose only
type mockWorker struct {
name string
}
func (*mockWorker) Do(c context.Context, w *worker.Work) {}