forked from sadlil/go-trigger
/
trigger_test.go
185 lines (157 loc) · 3.67 KB
/
trigger_test.go
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package trigger
import (
"testing"
. "gopkg.in/go-playground/assert.v1"
"sort"
"fmt"
"runtime"
)
func TestOn(t *testing.T) {
On("test-event", func() { })
Equal(t, 1, EventCount())
ClearEvents()
}
func TestDualOn(t *testing.T) {
On("test-event", func() { })
On("test-event", func() { })
Equal(t, 1, EventCount())
ClearEvents()
}
func TestTrigger(t *testing.T) {
On("test-event", func() {
fmt.Println("Testing Triggered Ok.")
})
_, err := Fire("test-event")
Equal(t, err, nil)
On("test-event2", func(a, b int) int {
return a + b
})
results, err := Fire("test-event2", 100, 5)
Equal(t, err, nil)
for _, values := range(results) {
NotEqual(t, values, nil)
Equal(t, values[0].Int(), int64(105))
}
results, err = Fire("test-event2", -100, 5)
Equal(t, err, nil)
for _, values := range(results) {
NotEqual(t, values, nil)
Equal(t, values[0].Int(), int64(-95))
}
ClearEvents()
}
func TestClear(t *testing.T) {
On("test-event", func() { })
On("test-event2", func() { })
Equal(t, 2, EventCount())
Clear("test-event")
Equal(t, 1, EventCount())
On("test-event", func() { })
Equal(t, 2, EventCount())
ClearEvents()
Equal(t, 0, EventCount())
}
func TestClearEvents(t *testing.T) {
On("test-event", func() { })
On("test-event2", func() { })
Equal(t, 2, EventCount())
ClearEvents()
Equal(t, 0, EventCount())
On("test-event", func() { })
Equal(t, 1, EventCount())
ClearEvents()
Equal(t, 0, EventCount())
}
func TestEventCount(t *testing.T) {
On("test-event", func() { })
Equal(t, 1, EventCount())
ClearEvents()
Equal(t, 0, EventCount())
On("test-event1", func() { })
On("test-event2", func() { })
On("test-event3", func() { })
On("test-event4", func() { })
Equal(t, 4, EventCount())
On("test-event4", func() { })
Equal(t, 4, EventCount())
ClearEvents()
}
func TestEvents(t *testing.T) {
On("test-event1", func() { })
On("test-event2", func() { })
On("test-event3", func() { })
On("test-event4", func() { })
eventList := Events()
Equal(t, 4, len(eventList))
sort.Strings(eventList)
Equal(t, []string{"test-event1", "test-event2", "test-event3", "test-event4"}, eventList)
ClearEvents()
}
func TestHasEvent(t *testing.T) {
On("test-event1", func() { })
ret := HasEvent("test-event1")
Equal(t, ret, true)
ret = HasEvent("test-event-not-found")
Equal(t, ret, false)
ClearEvents()
}
func TestParallelSimple(t *testing.T) {
On("p-1", func () {
for i:=1; i<=10000; i++ {
}
})
On("p-2", func () {
for i:=1; i<=10000; i++ {
}
})
prev := runtime.NumGoroutine()
FireBackground("p-1")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
now := runtime.NumGoroutine()
fmt.Println("Number of go routine running ", now - prev)
Equal(t, 8, now - prev)
ClearEvents();
}
// TestParallelMultiHandler verifies that when we have multiple listeners
// on an event each one is fired.
func TestParallelMultiHandler(t *testing.T) {
// listen on p1
On("p-1", func () {
for i:=1; i<=100000; i++ {
}
})
// listen on p1 again
On("p-1", func () {
for i:=1; i<=100000; i++ {
}
})
// listen on p2
On("p-2", func () {
for i:=1; i<=100000; i++ {
}
})
prev := runtime.NumGoroutine()
FireBackground("p-1")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
FireBackground("p-2")
now := runtime.NumGoroutine()
fmt.Println("Number of go routine running ", now - prev)
// we need 9 goroutines::
// 2 listeners on p1 and one listener on p2
// 1 fire on p1 -> 2*1 = 2
// 7 fire on p2 -> 1*7 = 7
// = 2*1 + 1*7 = 9
Equal(t, 9, now - prev)
ClearEvents();
}