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// SPDX-License-Identifier: GPL-3.0-or-later
package jobmgr
import (
"bytes"
"context"
"errors"
"strings"
"testing"
"time"
"github.com/netdata/netdata/go/go.d.plugin/agent/confgroup"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/agent/netdataapi"
"github.com/netdata/netdata/go/go.d.plugin/agent/safewriter"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type runSim struct {
do func(mgr *Manager, in chan []*confgroup.Group)
wantDiscovered []confgroup.Config
wantSeen []seenConfig
wantExposed []seenConfig
wantRunning []string
wantDyncfg string
}
func (s *runSim) run(t *testing.T) {
t.Helper()
require.NotNil(t, s.do, "s.do is nil")
var buf bytes.Buffer
mgr := New()
mgr.api = netdataapi.New(safewriter.New(&buf))
mgr.Modules = prepareMockRegistry()
done := make(chan struct{})
grpCh := make(chan []*confgroup.Group)
ctx, cancel := context.WithCancel(context.Background())
go func() { defer close(done); defer close(grpCh); mgr.Run(ctx, grpCh) }()
timeout := time.Second * 5
select {
case <-mgr.started:
case <-time.After(timeout):
t.Errorf("failed to start work in %s", timeout)
}
s.do(mgr, grpCh)
cancel()
select {
case <-done:
case <-time.After(timeout):
t.Errorf("failed to finish work in %s", timeout)
}
var lines []string
for _, s := range strings.Split(buf.String(), "\n") {
if strings.HasPrefix(s, "CONFIG") && strings.Contains(s, " template ") {
continue
}
if strings.HasPrefix(s, "FUNCTION_RESULT_BEGIN") {
parts := strings.Fields(s)
s = strings.Join(parts[:len(parts)-1], " ") // remove timestamp
}
lines = append(lines, s)
}
wantDyncfg, gotDyncfg := strings.TrimSpace(s.wantDyncfg), strings.TrimSpace(strings.Join(lines, "\n"))
//fmt.Println(gotDyncfg)
assert.Equal(t, wantDyncfg, gotDyncfg, "dyncfg commands")
var n int
for _, cfgs := range mgr.discoveredConfigs.items {
n += len(cfgs)
}
wantLen, gotLen := len(s.wantDiscovered), n
require.Equalf(t, wantLen, gotLen, "discoveredConfigs: different len (want %d got %d)", wantLen, gotLen)
for _, cfg := range s.wantDiscovered {
cfgs, ok := mgr.discoveredConfigs.items[cfg.Source()]
require.Truef(t, ok, "discoveredConfigs: source %s is not found", cfg.Source())
_, ok = cfgs[cfg.Hash()]
require.Truef(t, ok, "discoveredConfigs: source %s config %d is not found", cfg.Source(), cfg.Hash())
}
wantLen, gotLen = len(s.wantSeen), len(mgr.seenConfigs.items)
require.Equalf(t, wantLen, gotLen, "seenConfigs: different len (want %d got %d)", wantLen, gotLen)
for _, scfg := range s.wantSeen {
v, ok := mgr.seenConfigs.lookup(scfg.cfg)
require.Truef(t, ok, "seenConfigs: config '%s' is not found", scfg.cfg.UID())
require.Truef(t, scfg.status == v.status, "seenConfigs: wrong status, want %s got %s", scfg.status, v.status)
}
wantLen, gotLen = len(s.wantExposed), len(mgr.exposedConfigs.items)
require.Equalf(t, wantLen, gotLen, "exposedConfigs: different len (want %d got %d)", wantLen, gotLen)
for _, scfg := range s.wantExposed {
v, ok := mgr.exposedConfigs.lookup(scfg.cfg)
require.Truef(t, ok && scfg.cfg.UID() == v.cfg.UID(), "exposedConfigs: config '%s' is not found", scfg.cfg.UID())
require.Truef(t, scfg.status == v.status, "exposedConfigs: wrong status, want %s got %s", scfg.status, v.status)
}
wantLen, gotLen = len(s.wantRunning), len(mgr.runningJobs.items)
require.Equalf(t, wantLen, gotLen, "runningJobs: different len (want %d got %d)", wantLen, gotLen)
for _, name := range s.wantRunning {
_, ok := mgr.runningJobs.lookup(name)
require.Truef(t, ok, "runningJobs: job '%s' is not found", name)
}
}
func prepareMockRegistry() module.Registry {
reg := module.Registry{}
reg.Register("success", module.Creator{
JobConfigSchema: module.MockConfigSchema,
Create: func() module.Module {
return &module.MockModule{
ChartsFunc: func() *module.Charts {
return &module.Charts{&module.Chart{ID: "id", Title: "title", Units: "units", Dims: module.Dims{{ID: "id1"}}}}
},
CollectFunc: func() map[string]int64 { return map[string]int64{"id1": 1} },
}
},
})
reg.Register("fail", module.Creator{
Create: func() module.Module {
return &module.MockModule{
InitFunc: func() error { return errors.New("mock failed init") },
}
},
})
return reg
}
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