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[tests] Add testing of keyboard events in FullscreenRenderer.GetChar()

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This contains one test case of each tcell.Key* event type that can be
sent to and subsequently processed in fzf's GetChar(). The test cases
describe status quo, and all of them PASS.

Small function util.ToTty() was added. It is similar to util.IsTty(),
but for stdout (hence the To preposition).
This commit is contained in:
Vlastimil Ovčáčík
2021-09-19 21:37:37 +02:00
committed by Junegunn Choi
parent 4173e94c6f
commit 00fb486f6a
3 changed files with 400 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/tui/tcell.go
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@@ -233,6 +233,7 @@ func (r *FullscreenRenderer) GetChar() Event {
return EventType(CtrlA.Int() - 'a' + int(r)).AsEvent()
}
switch ev.Key() {
// section 1: Ctrl+(Alt)+[a-z]
case tcell.KeyCtrlA:
return keyfn('a')
case tcell.KeyCtrlB:
@@ -285,6 +286,7 @@ func (r *FullscreenRenderer) GetChar() Event {
return keyfn('y')
case tcell.KeyCtrlZ:
return keyfn('z')
// section 2: Ctrl+[ \]_]
case tcell.KeyCtrlSpace:
return Event{CtrlSpace, 0, nil}
case tcell.KeyCtrlBackslash:
@@ -293,12 +295,14 @@ func (r *FullscreenRenderer) GetChar() Event {
return Event{CtrlRightBracket, 0, nil}
case tcell.KeyCtrlUnderscore:
return Event{CtrlSlash, 0, nil}
// section 3: (Alt)+Backspace2
case tcell.KeyBackspace2:
if alt {
return Event{AltBS, 0, nil}
}
return Event{BSpace, 0, nil}
// section 4: (Alt+Shift)+Key(Up|Down|Left|Right)
case tcell.KeyUp:
if altShift {
return Event{AltSUp, 0, nil}
@@ -344,6 +348,7 @@ func (r *FullscreenRenderer) GetChar() Event {
}
return Event{Right, 0, nil}
// section 5: (Insert|Home|Delete|End|PgUp|PgDn|BackTab|F1-F12)
case tcell.KeyInsert:
return Event{Insert, 0, nil}
case tcell.KeyHome:
@@ -356,10 +361,8 @@ func (r *FullscreenRenderer) GetChar() Event {
return Event{PgUp, 0, nil}
case tcell.KeyPgDn:
return Event{PgDn, 0, nil}
case tcell.KeyBacktab:
return Event{BTab, 0, nil}
case tcell.KeyF1:
return Event{F1, 0, nil}
case tcell.KeyF2:
@@ -385,6 +388,7 @@ func (r *FullscreenRenderer) GetChar() Event {
case tcell.KeyF12:
return Event{F12, 0, nil}
// section 6: (Alt)+'rune'
case tcell.KeyRune:
r := ev.Rune()
if alt {
@@ -392,12 +396,13 @@ func (r *FullscreenRenderer) GetChar() Event {
}
return Event{Rune, r, nil}
// section 7: Esc
case tcell.KeyEsc:
return Event{ESC, 0, nil}
}
}
// section 8: Invalid
return Event{Invalid, 0, nil}
}