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peco_test.go
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peco_test.go
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package peco
import (
"bytes"
"fmt"
"runtime"
"sync"
"testing"
"time"
"github.com/nsf/termbox-go"
"github.com/peco/peco/internal/util"
"github.com/stretchr/testify/assert"
"golang.org/x/net/context"
)
type interceptorArgs []interface{}
type interceptor struct {
m sync.Mutex
events map[string][]interceptorArgs
}
func newInterceptor() *interceptor {
return &interceptor{
events: make(map[string][]interceptorArgs),
}
}
func (i *interceptor) reset() {
i.m.Lock()
defer i.m.Unlock()
i.events = make(map[string][]interceptorArgs)
}
func (i *interceptor) record(name string, args []interface{}) {
i.m.Lock()
defer i.m.Unlock()
events := i.events
v, ok := events[name]
if !ok {
v = []interceptorArgs{}
}
events[name] = append(v, interceptorArgs(args))
}
func newPeco() *Peco {
_, file, _, _ := runtime.Caller(0)
state := New()
state.Argv = []string{"peco", file}
state.screen = NewDummyScreen()
return state
}
type dummyScreen struct {
*interceptor
width int
height int
pollCh chan termbox.Event
}
func NewDummyScreen() *dummyScreen {
return &dummyScreen{
interceptor: newInterceptor(),
width: 80,
height: 10,
pollCh: make(chan termbox.Event),
}
}
func (d dummyScreen) Init() error {
return nil
}
func (d dummyScreen) Close() error {
return nil
}
func (d dummyScreen) Print(args PrintArgs) int {
return screenPrint(d, args)
}
func (d dummyScreen) SendEvent(e termbox.Event) {
d.pollCh <- e
}
func (d dummyScreen) SetCell(x, y int, ch rune, fg, bg termbox.Attribute) {
d.record("SetCell", interceptorArgs{x, y, ch, fg, bg})
}
func (d dummyScreen) Flush() error {
d.record("Flush", interceptorArgs{})
return nil
}
func (d dummyScreen) PollEvent() chan termbox.Event {
return d.pollCh
}
func (d dummyScreen) Size() (int, int) {
return d.width, d.height
}
func TestIDGen(t *testing.T) {
idgen := newIDGen()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go idgen.Run(ctx)
lines := []*RawLine{}
for i := 0; i < 1000000; i++ {
lines = append(lines, NewRawLine(idgen.next(), fmt.Sprintf("%d", i), false))
}
sel := NewSelection()
for _, l := range lines {
if sel.Has(l) {
t.Errorf("Collision detected %d", l.ID())
}
sel.Add(l)
}
}
func TestPeco(t *testing.T) {
p := newPeco()
ctx, cancel := context.WithCancel(context.Background())
time.AfterFunc(time.Second, cancel)
if !assert.NoError(t, p.Run(ctx), "p.Run() succeeds") {
return
}
}
type testCauser interface {
Cause() error
}
type testIgnorableError interface {
Ignorable() bool
}
func TestPecoHelp(t *testing.T) {
p := newPeco()
p.Argv = []string{"peco", "-h"}
p.Stdout = &bytes.Buffer{}
ctx, cancel := context.WithCancel(context.Background())
time.AfterFunc(time.Second, cancel)
err := p.Run(ctx)
if !assert.True(t, util.IsIgnorableError(err), "p.Run() should return error with Ignorable() method, and it should return true") {
return
}
}