k9s/internal/model/stack_test.go

152 lines
3.2 KiB
Go

package model_test
import (
"context"
"testing"
"github.com/derailed/k9s/internal/model"
"github.com/derailed/tview"
"github.com/gdamore/tcell"
"github.com/rs/zerolog"
"github.com/stretchr/testify/assert"
)
func init() {
zerolog.SetGlobalLevel(zerolog.FatalLevel)
}
func TestStackPush(t *testing.T) {
top := c{}
uu := map[string]struct {
items []model.Component
pop int
e bool
top model.Component
}{
"empty": {
items: []model.Component{},
pop: 3,
e: true,
},
"full": {
items: []model.Component{c{}, c{}, top},
pop: 3,
e: true,
},
"pop": {
items: []model.Component{c{}, c{}, top},
pop: 2,
e: false,
top: top,
},
}
for k, u := range uu {
t.Run(k, func(t *testing.T) {
s := model.NewStack()
for _, c := range u.items {
s.Push(c)
}
for i := 0; i < u.pop; i++ {
s.Pop()
}
assert.Equal(t, u.e, s.Empty())
if !u.e {
assert.Equal(t, u.top, s.Top())
}
})
}
}
func TestStackTop(t *testing.T) {
top := c{}
uu := map[string]struct {
items []model.Component
e model.Component
}{
"blank": {
items: []model.Component{},
},
"push3": {
items: []model.Component{c{}, c{}, top},
e: top,
},
"push1": {
items: []model.Component{top},
e: top,
},
}
for k, u := range uu {
t.Run(k, func(t *testing.T) {
s := model.NewStack()
for _, item := range u.items {
s.Push(item)
}
v := s.Top()
assert.Equal(t, u.e, v)
})
}
}
func TestStackListener(t *testing.T) {
items := []model.Component{c{}, c{}, c{}}
s := model.NewStack()
l := stackL{}
s.AddListener(&l)
for _, item := range items {
s.Push(item)
}
assert.Equal(t, 3, l.count)
for range items {
s.Pop()
}
assert.Equal(t, 0, l.count)
}
func TestStackRemoveListener(t *testing.T) {
s := model.NewStack()
l1, l2, l3 := &stackL{}, &stackL{}, &stackL{}
s.AddListener(l1)
s.AddListener(l2)
s.AddListener(l3)
s.RemoveListener(l2)
s.RemoveListener(l3)
s.RemoveListener(l1)
s.Push(c{})
assert.Equal(t, 0, l1.count)
assert.Equal(t, 0, l2.count)
assert.Equal(t, 0, l3.count)
}
type stackL struct {
count int
}
func (s *stackL) StackPushed(model.Component) {
s.count++
}
func (s *stackL) StackPopped(c, top model.Component) {
s.count--
}
func (s *stackL) StackTop(model.Component) {}
type c struct{}
func (c c) Name() string { return "test" }
func (c c) Hints() model.MenuHints { return nil }
func (c c) Draw(tcell.Screen) {}
func (c c) InputHandler() func(*tcell.EventKey, func(tview.Primitive)) { return nil }
func (c c) SetRect(int, int, int, int) {}
func (c c) GetRect() (int, int, int, int) { return 0, 0, 0, 0 }
func (c c) GetFocusable() tview.Focusable { return nil }
func (c c) Focus(func(tview.Primitive)) {}
func (c c) Blur() {}
func (c c) Start() {}
func (c c) Stop() {}
func (c c) Init(context.Context) {}