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package prompt
import (
"reflect"
"testing"
)
func TestHistoryClear(t *testing.T) {
h := NewHistory()
h.Add("foo")
h.Clear()
expected := &History{
histories: []string{"foo"},
tmp: []string{"foo", ""},
selected: 1,
}
if !reflect.DeepEqual(expected, h) {
t.Errorf("Should be %#v, but got %#v", expected, h)
}
}
func TestHistoryAdd(t *testing.T) {
h := NewHistory()
h.Add("echo 1")
expected := &History{
histories: []string{"echo 1"},
tmp: []string{"echo 1", ""},
selected: 1,
}
if !reflect.DeepEqual(h, expected) {
t.Errorf("Should be %v, but got %v", expected, h)
}
}
func TestHistoryOlder(t *testing.T) {
h := NewHistory()
h.Add("echo 1")
// Prepare buffer
buf := NewBuffer()
buf.InsertText("echo 2", false, true)
// [1 time] Call Older function
buf1, changed := h.Older(buf)
if !changed {
t.Error("Should be changed history but not changed.")
}
if buf1.Text() != "echo 1" {
t.Errorf("Should be %#v, but got %#v", "echo 1", buf1.Text())
}
// [2 times] Call Older function
buf = NewBuffer()
buf.InsertText("echo 1", false, true)
buf2, changed := h.Older(buf)
if changed {
t.Error("Should be not changed history but changed.")
}
if !reflect.DeepEqual("echo 1", buf2.Text()) {
t.Errorf("Should be %#v, but got %#v", "echo 1", buf2.Text())
}
}
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