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package textarea
import (
"testing"
"github.com/sst/opencode/internal/attachment"
)
func TestRemoveAttachmentAtCursor_ConvertsToText_WhenCursorAfterAttachment(t *testing.T) {
m := New()
m.InsertString("a ")
att := &attachment.Attachment{ID: "1", Display: "@file.txt"}
m.InsertAttachment(att)
m.InsertString(" b")
// Position cursor immediately after the attachment (index 3: 'a',' ',att,' ', 'b')
m.SetCursorColumn(3)
if ok := m.removeAttachmentAtCursor(); !ok {
t.Fatalf("expected removal to occur")
}
got := m.Value()
want := "a @file.txt b"
if got != want {
t.Fatalf("expected %q, got %q", want, got)
}
}
func TestRemoveAttachmentAtCursor_ConvertsToText_WhenCursorOnAttachment(t *testing.T) {
m := New()
m.InsertString("x ")
att := &attachment.Attachment{ID: "2", Display: "@img.png"}
m.InsertAttachment(att)
m.InsertString(" y")
// Position cursor on the attachment token (index 2: 'x',' ',att,' ', 'y')
m.SetCursorColumn(2)
if ok := m.removeAttachmentAtCursor(); !ok {
t.Fatalf("expected removal to occur")
}
got := m.Value()
want := "x @img.png y"
if got != want {
t.Fatalf("expected %q, got %q", want, got)
}
}
func TestRemoveAttachmentAtCursor_StartOfLine(t *testing.T) {
m := New()
att := &attachment.Attachment{ID: "3", Display: "@a.txt"}
m.InsertAttachment(att)
m.InsertString(" tail")
// Position cursor immediately after the attachment at start of line (index 1)
m.SetCursorColumn(1)
if ok := m.removeAttachmentAtCursor(); !ok {
t.Fatalf("expected removal to occur at start of line")
}
if got := m.Value(); got != "@a.txt tail" {
t.Fatalf("unexpected value: %q", got)
}
}
func TestRemoveAttachmentAtCursor_NoAttachment_NoChange(t *testing.T) {
m := New()
m.InsertString("hello world")
col := m.CursorColumn()
if ok := m.removeAttachmentAtCursor(); ok {
t.Fatalf("did not expect removal to occur")
}
if m.Value() != "hello world" || m.CursorColumn() != col {
t.Fatalf("value or cursor unexpectedly changed")
}
}
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