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|
package ansi
import (
"os"
"reflect"
"testing"
)
type testCase struct {
name string
input string
expected []Sequence
}
type testDispatcher struct {
dispatched []Sequence
}
func (d *testDispatcher) Dispatch(s Sequence) {
d.dispatched = append(d.dispatched, s.Clone())
}
func testParser(d *testDispatcher) *Parser {
p := NewParser(16, 0)
return p
}
func TestControlSequence(t *testing.T) {
cases := []testCase{
{
name: "just_esc",
input: "\x1b",
expected: []Sequence{
ControlCode(0x1b),
},
},
{
name: "double_esc",
input: "\x1b\x1b",
expected: []Sequence{
ControlCode(0x1b),
ControlCode(0x1b),
},
},
{
name: "esc_bracket",
input: "\x1b[",
expected: []Sequence{
EscSequence('['),
},
},
{
name: "csi_rune_esc_bracket",
input: "\x1b[1;2;3mabc\x1b\x1bP",
expected: []Sequence{
CsiSequence{
Params: []int{1, 2, 3},
Cmd: 'm',
},
Rune('a'),
Rune('b'),
Rune('c'),
ControlCode(0x1b),
EscSequence('P'),
},
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
dispatcher := &testDispatcher{}
parser := testParser(dispatcher)
parser.Parse(dispatcher.Dispatch, []byte(c.input))
assertEqual(t, len(c.expected), len(dispatcher.dispatched))
for i := range c.expected {
assertEqual(t, c.expected[i], dispatcher.dispatched[i])
}
})
}
}
func BenchmarkNext(bm *testing.B) {
bts, err := os.ReadFile("./fixtures/demo.vte")
if err != nil {
bm.Fatalf("Error: %v", err)
}
bm.ResetTimer()
var parser Parser
parser.Parse(nil, bts)
}
func BenchmarkStateChanges(bm *testing.B) {
input := "\x1b]2;X\x1b\\ \x1b[0m \x1bP0@\x1b\\"
for i := 0; i < bm.N; i++ {
var parser Parser
for i := 0; i < 1000; i++ {
parser.Parse(nil, []byte(input))
}
}
}
func assertEqual[T any](t *testing.T, expected, got T) {
t.Helper()
if !reflect.DeepEqual(expected, got) {
t.Fatalf("expected:\n %#v, got:\n %#v", expected, got)
}
}
|
