open-consul/api/watch/plan_test.go
Matt Keeler 2831c8993d
Move the watch package into the api module (#5664)
* Move the watch package into the api module

It was already just a thin wrapper around the API anyways. The biggest change was to the testing. Instead of using a test agent directly from the agent package it now uses the binary on the PATH just like the other API tests.

The other big changes were to fix up the connect based watch tests so that we didn’t need to pull in the connect package (and therefore all of Consul)
2019-04-26 12:33:01 -04:00

130 lines
2.2 KiB
Go

package watch
import (
"testing"
"time"
)
func init() {
watchFuncFactory["noop"] = noopWatch
}
func noopWatch(params map[string]interface{}) (WatcherFunc, error) {
fn := func(p *Plan) (BlockingParamVal, interface{}, error) {
idx := WaitIndexVal(0)
if i, ok := p.lastParamVal.(WaitIndexVal); ok {
idx = i
}
return idx + 1, uint64(idx + 1), nil
}
return fn, nil
}
func mustParse(t *testing.T, q string) *Plan {
params := makeParams(t, q)
plan, err := Parse(params)
if err != nil {
t.Fatalf("err: %v", err)
}
return plan
}
func TestRun_Stop(t *testing.T) {
t.Parallel()
plan := mustParse(t, `{"type":"noop"}`)
var expect uint64 = 1
doneCh := make(chan struct{})
plan.Handler = func(idx uint64, val interface{}) {
if idx != expect {
t.Fatalf("Bad: %d %d", expect, idx)
}
if val != expect {
t.Fatalf("Bad: %d %d", expect, val)
}
if expect == 1 {
close(doneCh)
}
expect++
}
errCh := make(chan error, 1)
go func() {
errCh <- plan.Run("127.0.0.1:8500")
}()
select {
case <-doneCh:
plan.Stop()
case <-time.After(1 * time.Second):
t.Fatalf("handler never ran")
}
select {
case err := <-errCh:
if err != nil {
t.Fatalf("err: %v", err)
}
case <-time.After(1 * time.Second):
t.Fatalf("watcher didn't exit")
}
if expect == 1 {
t.Fatalf("Bad: %d", expect)
}
}
func TestRun_Stop_Hybrid(t *testing.T) {
t.Parallel()
plan := mustParse(t, `{"type":"noop"}`)
var expect uint64 = 1
doneCh := make(chan struct{})
plan.HybridHandler = func(blockParamVal BlockingParamVal, val interface{}) {
idxVal, ok := blockParamVal.(WaitIndexVal)
if !ok {
t.Fatalf("expected index-based watch")
}
idx := uint64(idxVal)
if idx != expect {
t.Fatalf("Bad: %d %d", expect, idx)
}
if val != expect {
t.Fatalf("Bad: %d %d", expect, val)
}
if expect == 1 {
close(doneCh)
}
expect++
}
errCh := make(chan error, 1)
go func() {
errCh <- plan.Run("127.0.0.1:8500")
}()
select {
case <-doneCh:
plan.Stop()
case <-time.After(1 * time.Second):
t.Fatalf("handler never ran")
}
select {
case err := <-errCh:
if err != nil {
t.Fatalf("err: %v", err)
}
case <-time.After(1 * time.Second):
t.Fatalf("watcher didn't exit")
}
if expect == 1 {
t.Fatalf("Bad: %d", expect)
}
}