func TestPubSubBubbling(t *testing.T) {
defer errLogBuf.Reset()
testPath := "a/b/c"
m := config.NewManager()
_, err := m.Subscribe("", nil)
assert.EqualError(t, err, config.ErrPathEmpty.Error())
subID, err := m.Subscribe(testPath, &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
assert.Equal(t, testPath, path)
if sg == scope.DefaultID {
assert.Equal(t, int64(0), id)
} else {
assert.Equal(t, int64(123), id)
}
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 1, subID, "The very first subscription ID should be 1")
m.Write(config.Value(1), config.Path(testPath), config.Scope(scope.WebsiteID, 123))
assert.NoError(t, m.Close())
time.Sleep(time.Millisecond * 10) // wait for goroutine to close
// send on closed channel
m.Write(config.NoBubble(), config.Value(1), config.Path(testPath+"Doh"), config.Scope(scope.WebsiteID, 3))
assert.EqualError(t, m.Close(), config.ErrPublisherClosed.Error())
}
func TestPubSubEvict(t *testing.T) {
defer errLogBuf.Reset()
var level2Calls int
var level3Calls int
var pErr = errors.New("WTF Eviction? Panic!")
m := config.NewManager()
subID, err := m.Subscribe("x/y", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
assert.Contains(t, path, "x/y")
// this function gets called 3 times
level2Calls++
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 1, subID)
subID, err = m.Subscribe("x/y/z", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
level3Calls++
// this function gets called 1 times and then gets removed
panic(pErr)
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 2, subID)
m.Write(config.Value(321), config.Path("x/y/z"), config.ScopeStore(123), config.NoBubble())
m.Write(config.Value(321), config.Path("x/y/a"), config.ScopeStore(123), config.NoBubble())
m.Write(config.Value(321), config.Path("x/y/z"), config.ScopeStore(123), config.NoBubble())
time.Sleep(time.Millisecond * 20) // wait for goroutine ...
assert.Contains(t, errLogBuf.String(), "testErr: stdLib.go:228: config.pubSub.publish.recover.err err: WTF Eviction? Panic!")
assert.Equal(t, 3, level2Calls)
assert.Equal(t, 1, level3Calls)
}
func TestPubSubPanic(t *testing.T) {
defer errLogBuf.Reset()
testPath := "x/y/z"
m := config.NewManager()
subID, err := m.Subscribe(testPath, &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
panic("Don't panic!")
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 1, subID, "The very first subscription ID should be 1")
m.Write(config.Value(321), config.Path(testPath), config.ScopeStore(123), config.NoBubble())
assert.NoError(t, m.Close())
time.Sleep(time.Millisecond * 10) // wait for goroutine to close
assert.Contains(t, errLogBuf.String(), `config.pubSub.publish.recover.r recover: "Don't panic!"`)
}
func TestPubSubUnsubscribe(t *testing.T) {
defer errLogBuf.Reset()
var pErr = errors.New("WTF? Panic!")
m := config.NewManager()
subID, err := m.Subscribe("x/y/z", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
panic(pErr)
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 1, subID, "The very first subscription ID should be 1")
assert.NoError(t, m.Unsubscribe(subID))
m.Write(config.Value(321), config.Path("x/y/z"), config.ScopeStore(123), config.NoBubble())
time.Sleep(time.Millisecond) // wait for goroutine ...
assert.Empty(t, errLogBuf.String())
}
func TestPubSubPanicError(t *testing.T) {
defer errLogBuf.Reset()
testPath := "™/ö/º"
var pErr = errors.New("OMG! Panic!")
m := config.NewManager()
subID, err := m.Subscribe(testPath, &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
panic(pErr)
return nil
},
})
assert.NoError(t, err)
assert.Equal(t, 1, subID, "The very first subscription ID should be 1")
m.Write(config.Value(321), config.Path(testPath), config.ScopeStore(123), config.NoBubble())
// not closing channel to let the Goroutine around egging aka. herumeiern.
time.Sleep(time.Millisecond * 10) // wait for goroutine ...
assert.Contains(t, errLogBuf.String(), `config.pubSub.publish.recover.err err: OMG! Panic!`)
}
func TestPubSubPanicMultiple(t *testing.T) {
defer errLogBuf.Reset()
m := config.NewManager()
subID, err := m.Subscribe("x", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
assert.Equal(t, "x/y/z", path)
panic("One: Don't panic!")
return nil
},
})
assert.NoError(t, err)
assert.True(t, subID > 0)
subID, err = m.Subscribe("x/y", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
assert.Equal(t, "x/y/z", path)
panic("Two: Don't panic!")
return nil
},
})
assert.NoError(t, err)
assert.True(t, subID > 0)
subID, err = m.Subscribe("x/y/z", &testSubscriber{
f: func(path string, sg scope.Scope, id int64) error {
assert.Equal(t, "x/y/z", path)
panic("Three: Don't panic!")
return nil
},
})
assert.NoError(t, err)
assert.True(t, subID > 0)
m.Write(config.Value(789), config.Path("x/y/z"), config.ScopeStore(987), config.NoBubble())
assert.NoError(t, m.Close())
time.Sleep(time.Millisecond * 30) // wait for goroutine to close
assert.Contains(t, errLogBuf.String(), `testErr: stdLib.go:228: config.pubSub.publish.recover.r recover: "One: Don't panic!`)
assert.Contains(t, errLogBuf.String(), `testErr: stdLib.go:228: config.pubSub.publish.recover.r recover: "Two: Don't panic!"`)
assert.Contains(t, errLogBuf.String(), `testErr: stdLib.go:228: config.pubSub.publish.recover.r recover: "Three: Don't panic!"`)
}