k9s/internal/model/log_test.go

275 lines
6.3 KiB
Go

package model_test
import (
"fmt"
"strconv"
"testing"
"time"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/dao"
"github.com/derailed/k9s/internal/model"
"github.com/derailed/k9s/internal/watch"
"github.com/stretchr/testify/assert"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/informers"
)
func TestLogFullBuffer(t *testing.T) {
size := 4
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(size), 10*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
data := make(dao.LogItems, 0, 2*size)
for i := 0; i < 2*size; i++ {
data = append(data, dao.NewLogItemFromString("line"+strconv.Itoa(i)))
m.Append(data[i])
}
m.Notify()
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 1, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, data[4:].Lines(false), v.data)
}
func TestLogFilter(t *testing.T) {
uu := map[string]struct {
q string
e int
}{
"plain": {
q: "line-1",
e: 2,
},
"regexp": {
q: `pod-line-[1-3]{1}`,
e: 4,
},
"invert": {
q: `!pod-line-1`,
e: 8,
},
"fuzzy": {
q: `-f po-l1`,
e: 2,
},
}
size := 10
for k := range uu {
u := uu[k]
t.Run(k, func(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(size), 10*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
m.Filter(u.q)
var data dao.LogItems
for i := 0; i < size; i++ {
data = append(data, dao.NewLogItemFromString(fmt.Sprintf("pod-line-%d", i+1)))
m.Append(data[i])
}
m.Notify()
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 2, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, u.e, len(v.data))
m.ClearFilter()
assert.Equal(t, 2, v.dataCalled)
assert.Equal(t, 3, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, size, len(v.data))
})
}
}
func TestLogStartStop(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(4), 10*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
m.Start()
data := dao.LogItems{dao.NewLogItemFromString("line1"), dao.NewLogItemFromString("line2")}
for _, d := range data {
m.Append(d)
}
m.Notify()
m.Stop()
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 1, v.clearCalled)
assert.Equal(t, 1, v.errCalled)
assert.Equal(t, 2, len(v.data))
}
func TestLogClear(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(4), 10*time.Millisecond)
m.Init(makeFactory())
assert.Equal(t, "fred", m.GetPath())
assert.Equal(t, "blee", m.GetContainer())
v := newTestView()
m.AddListener(v)
data := dao.LogItems{dao.NewLogItemFromString("line1"), dao.NewLogItemFromString("line2")}
for _, d := range data {
m.Append(d)
}
m.Notify()
m.Clear()
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 2, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, 0, len(v.data))
}
func TestLogBasic(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(2), 10*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
data := dao.LogItems{dao.NewLogItemFromString("line1"), dao.NewLogItemFromString("line2")}
m.Set(data)
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 1, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, data.Lines(false), v.data)
}
func TestLogAppend(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(4), 5*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
items := dao.LogItems{
dao.NewLogItemFromString("blah blah"),
}
m.Set(items)
assert.Equal(t, items.Lines(false), v.data)
data := dao.LogItems{
dao.NewLogItemFromString("line1"),
dao.NewLogItemFromString("line2"),
}
for _, d := range data {
m.Append(d)
}
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, items.Lines(false), v.data)
m.Notify()
assert.Equal(t, 2, v.dataCalled)
assert.Equal(t, 1, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
assert.Equal(t, append(items, data...).Lines(false), v.data)
}
func TestLogTimedout(t *testing.T) {
m := model.NewLog(client.NewGVR("fred"), makeLogOpts(4), 10*time.Millisecond)
m.Init(makeFactory())
v := newTestView()
m.AddListener(v)
m.Filter("line1")
data := dao.LogItems{
dao.NewLogItemFromString("line1"),
dao.NewLogItemFromString("line2"),
dao.NewLogItemFromString("line3"),
dao.NewLogItemFromString("line4"),
}
for _, d := range data {
m.Append(d)
}
m.Notify()
assert.Equal(t, 1, v.dataCalled)
assert.Equal(t, 2, v.clearCalled)
assert.Equal(t, 0, v.errCalled)
const e = "\x1b[38;5;209ml\x1b[0m\x1b[38;5;209mi\x1b[0m\x1b[38;5;209mn\x1b[0m\x1b[38;5;209me\x1b[0m\x1b[38;5;209m1\x1b[0m"
assert.Equal(t, e, string(v.data[0]))
}
// ----------------------------------------------------------------------------
// Helpers...
func makeLogOpts(count int) dao.LogOptions {
return dao.LogOptions{
Path: "fred",
Container: "blee",
Lines: int64(count),
}
}
// ----------------------------------------------------------------------------
type testView struct {
data [][]byte
dataCalled int
clearCalled int
errCalled int
}
func newTestView() *testView {
return &testView{}
}
func (t *testView) LogChanged(ll [][]byte) {
t.data = ll
t.dataCalled++
}
func (t *testView) LogCleared() {
t.clearCalled++
t.data = nil
}
func (t *testView) LogFailed(err error) {
fmt.Println("LogErr", err)
t.errCalled++
}
// ----------------------------------------------------------------------------
type testFactory struct{}
var _ dao.Factory = testFactory{}
func (f testFactory) Client() client.Connection {
return nil
}
func (f testFactory) Get(gvr, path string, wait bool, sel labels.Selector) (runtime.Object, error) {
return nil, nil
}
func (f testFactory) List(gvr, ns string, wait bool, sel labels.Selector) ([]runtime.Object, error) {
return nil, nil
}
func (f testFactory) ForResource(ns, gvr string) (informers.GenericInformer, error) {
return nil, nil
}
func (f testFactory) CanForResource(ns, gvr string, verbs []string) (informers.GenericInformer, error) {
return nil, nil
}
func (f testFactory) WaitForCacheSync() {}
func (f testFactory) Forwarders() watch.Forwarders {
return nil
}
func (f testFactory) DeleteForwarder(string) {}
func makeFactory() dao.Factory {
return testFactory{}
}