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bubbletea/mouse_test.go

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package tea
import (
"fmt"
"testing"
)
func TestMouseEvent_String(t *testing.T) {
tt := []struct {
name string
event MouseEvent
expected string
}{
{
name: "unknown",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonNone,
Type: MouseUnknown,
},
expected: "unknown",
},
{
name: "left",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonLeft,
Type: MouseLeft,
},
expected: "left press",
},
{
name: "right",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonRight,
Type: MouseRight,
},
expected: "right press",
},
{
name: "middle",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonMiddle,
Type: MouseMiddle,
},
expected: "middle press",
},
{
name: "release",
event: MouseEvent{
Action: MouseActionRelease,
Button: MouseButtonNone,
Type: MouseRelease,
},
expected: "release",
},
{
name: "wheel up",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonWheelUp,
Type: MouseWheelUp,
},
expected: "wheel up",
},
{
name: "wheel down",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonWheelDown,
Type: MouseWheelDown,
},
expected: "wheel down",
},
{
name: "wheel left",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonWheelLeft,
Type: MouseWheelLeft,
},
expected: "wheel left",
},
{
name: "wheel right",
event: MouseEvent{
Action: MouseActionPress,
Button: MouseButtonWheelRight,
Type: MouseWheelRight,
},
expected: "wheel right",
},
{
name: "motion",
event: MouseEvent{
Action: MouseActionMotion,
Button: MouseButtonNone,
Type: MouseMotion,
},
expected: "motion",
},
{
name: "shift+left release",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionRelease,
Button: MouseButtonLeft,
Shift: true,
},
expected: "shift+left release",
},
{
name: "shift+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Shift: true,
},
expected: "shift+left press",
},
{
name: "ctrl+shift+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Shift: true,
Ctrl: true,
},
expected: "ctrl+shift+left press",
},
{
name: "alt+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Alt: true,
},
expected: "alt+left press",
},
{
name: "ctrl+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Ctrl: true,
},
expected: "ctrl+left press",
},
{
name: "ctrl+alt+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Alt: true,
Ctrl: true,
},
expected: "ctrl+alt+left press",
},
{
name: "ctrl+alt+shift+left",
event: MouseEvent{
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
Alt: true,
Ctrl: true,
Shift: true,
},
expected: "ctrl+alt+shift+left press",
},
{
name: "ignore coordinates",
event: MouseEvent{
X: 100,
Y: 200,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
expected: "left press",
},
{
name: "broken type",
event: MouseEvent{
Type: MouseEventType(-100),
Action: MouseAction(-110),
Button: MouseButton(-120),
},
expected: "",
},
}
for i := range tt {
tc := tt[i]
t.Run(tc.name, func(t *testing.T) {
actual := tc.event.String()
if tc.expected != actual {
t.Fatalf("expected %q but got %q",
tc.expected,
actual,
)
}
})
}
}
func TestParseX10MouseEvent(t *testing.T) {
encode := func(b byte, x, y int) []byte {
return []byte{
'\x1b',
'[',
'M',
byte(32) + b,
byte(x + 32 + 1),
byte(y + 32 + 1),
}
}
tt := []struct {
name string
buf []byte
expected MouseEvent
}{
// Position.
{
name: "zero position",
buf: encode(0b0000_0000, 0, 0),
expected: MouseEvent{
X: 0,
Y: 0,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
{
name: "max position",
buf: encode(0b0000_0000, 222, 222), // Because 255 (max int8) - 32 - 1.
expected: MouseEvent{
X: 222,
Y: 222,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
// Simple.
{
name: "left",
buf: encode(0b0000_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
{
name: "left in motion",
buf: encode(0b0010_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseLeft,
Action: MouseActionMotion,
Button: MouseButtonLeft,
},
},
{
name: "middle",
buf: encode(0b0000_0001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMiddle,
Action: MouseActionPress,
Button: MouseButtonMiddle,
},
},
{
name: "middle in motion",
buf: encode(0b0010_0001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMiddle,
Action: MouseActionMotion,
Button: MouseButtonMiddle,
},
},
{
name: "right",
buf: encode(0b0000_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "right in motion",
buf: encode(0b0010_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRight,
Action: MouseActionMotion,
Button: MouseButtonRight,
},
},
{
name: "motion",
buf: encode(0b0010_0011, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMotion,
Action: MouseActionMotion,
Button: MouseButtonNone,
},
},
{
name: "wheel up",
buf: encode(0b0100_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelUp,
Action: MouseActionPress,
Button: MouseButtonWheelUp,
},
},
{
name: "wheel down",
buf: encode(0b0100_0001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "wheel left",
buf: encode(0b0100_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelLeft,
Action: MouseActionPress,
Button: MouseButtonWheelLeft,
},
},
{
name: "wheel right",
buf: encode(0b0100_0011, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelRight,
Action: MouseActionPress,
Button: MouseButtonWheelRight,
},
},
{
name: "release",
buf: encode(0b0000_0011, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRelease,
Action: MouseActionRelease,
Button: MouseButtonNone,
},
},
{
name: "backward",
buf: encode(0b1000_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseBackward,
Action: MouseActionPress,
Button: MouseButtonBackward,
},
},
{
name: "forward",
buf: encode(0b1000_0001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseForward,
Action: MouseActionPress,
Button: MouseButtonForward,
},
},
{
name: "button 10",
buf: encode(0b1000_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseUnknown,
Action: MouseActionPress,
Button: MouseButton10,
},
},
{
name: "button 11",
buf: encode(0b1000_0011, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseUnknown,
Action: MouseActionPress,
Button: MouseButton11,
},
},
// Combinations.
{
name: "alt+right",
buf: encode(0b0000_1010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "ctrl+right",
buf: encode(0b0001_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Ctrl: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "left in motion",
buf: encode(0b0010_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: false,
Type: MouseLeft,
Action: MouseActionMotion,
Button: MouseButtonLeft,
},
},
{
name: "alt+right in motion",
buf: encode(0b0010_1010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Type: MouseRight,
Action: MouseActionMotion,
Button: MouseButtonRight,
},
},
{
name: "ctrl+right in motion",
buf: encode(0b0011_0010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Ctrl: true,
Type: MouseRight,
Action: MouseActionMotion,
Button: MouseButtonRight,
},
},
{
name: "ctrl+alt+right",
buf: encode(0b0001_1010, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Ctrl: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "ctrl+wheel up",
buf: encode(0b0101_0000, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Ctrl: true,
Type: MouseWheelUp,
Action: MouseActionPress,
Button: MouseButtonWheelUp,
},
},
{
name: "alt+wheel down",
buf: encode(0b0100_1001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "ctrl+alt+wheel down",
buf: encode(0b0101_1001, 32, 16),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Ctrl: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
// Overflow position.
{
name: "overflow position",
buf: encode(0b0010_0000, 250, 223), // Because 255 (max int8) - 32 - 1.
expected: MouseEvent{
X: -6,
Y: -33,
Type: MouseLeft,
Action: MouseActionMotion,
Button: MouseButtonLeft,
},
},
}
for i := range tt {
tc := tt[i]
t.Run(tc.name, func(t *testing.T) {
actual := parseX10MouseEvent(tc.buf)
if tc.expected != actual {
t.Fatalf("expected %#v but got %#v",
tc.expected,
actual,
)
}
})
}
}
// func TestParseX10MouseEvent_error(t *testing.T) {
// tt := []struct {
// name string
// buf []byte
// }{
// {
// name: "empty buf",
// buf: nil,
// },
// {
// name: "wrong high bit",
// buf: []byte("\x1a[M@A1"),
// },
// {
// name: "short buf",
// buf: []byte("\x1b[M@A"),
// },
// {
// name: "long buf",
// buf: []byte("\x1b[M@A11"),
// },
// }
//
// for i := range tt {
// tc := tt[i]
//
// t.Run(tc.name, func(t *testing.T) {
// _, err := parseX10MouseEvent(tc.buf)
//
// if err == nil {
// t.Fatalf("expected error but got nil")
// }
// })
// }
// }
func TestParseSGRMouseEvent(t *testing.T) {
encode := func(b, x, y int, r bool) []byte {
re := 'M'
if r {
re = 'm'
}
return []byte(fmt.Sprintf("\x1b[<%d;%d;%d%c", b, x+1, y+1, re))
}
tt := []struct {
name string
buf []byte
expected MouseEvent
}{
// Position.
{
name: "zero position",
buf: encode(0, 0, 0, false),
expected: MouseEvent{
X: 0,
Y: 0,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
{
name: "225 position",
buf: encode(0, 225, 225, false),
expected: MouseEvent{
X: 225,
Y: 225,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
// Simple.
{
name: "left",
buf: encode(0, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseLeft,
Action: MouseActionPress,
Button: MouseButtonLeft,
},
},
{
name: "left in motion",
buf: encode(32, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseLeft,
Action: MouseActionMotion,
Button: MouseButtonLeft,
},
},
{
name: "left release",
buf: encode(0, 32, 16, true),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRelease,
Action: MouseActionRelease,
Button: MouseButtonLeft,
},
},
{
name: "middle",
buf: encode(1, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMiddle,
Action: MouseActionPress,
Button: MouseButtonMiddle,
},
},
{
name: "middle in motion",
buf: encode(33, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMiddle,
Action: MouseActionMotion,
Button: MouseButtonMiddle,
},
},
{
name: "middle release",
buf: encode(1, 32, 16, true),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRelease,
Action: MouseActionRelease,
Button: MouseButtonMiddle,
},
},
{
name: "right",
buf: encode(2, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "right release",
buf: encode(2, 32, 16, true),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseRelease,
Action: MouseActionRelease,
Button: MouseButtonRight,
},
},
{
name: "motion",
buf: encode(35, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseMotion,
Action: MouseActionMotion,
Button: MouseButtonNone,
},
},
{
name: "wheel up",
buf: encode(64, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelUp,
Action: MouseActionPress,
Button: MouseButtonWheelUp,
},
},
{
name: "wheel down",
buf: encode(65, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "wheel left",
buf: encode(66, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelLeft,
Action: MouseActionPress,
Button: MouseButtonWheelLeft,
},
},
{
name: "wheel right",
buf: encode(67, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseWheelRight,
Action: MouseActionPress,
Button: MouseButtonWheelRight,
},
},
{
name: "backward",
buf: encode(128, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseBackward,
Action: MouseActionPress,
Button: MouseButtonBackward,
},
},
{
name: "backward in motion",
buf: encode(160, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseBackward,
Action: MouseActionMotion,
Button: MouseButtonBackward,
},
},
{
name: "forward",
buf: encode(129, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseForward,
Action: MouseActionPress,
Button: MouseButtonForward,
},
},
{
name: "forward in motion",
buf: encode(161, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Type: MouseForward,
Action: MouseActionMotion,
Button: MouseButtonForward,
},
},
// Combinations.
{
name: "alt+right",
buf: encode(10, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "ctrl+right",
buf: encode(18, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Ctrl: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "ctrl+alt+right",
buf: encode(26, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Ctrl: true,
Type: MouseRight,
Action: MouseActionPress,
Button: MouseButtonRight,
},
},
{
name: "alt+wheel press",
buf: encode(73, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "ctrl+wheel press",
buf: encode(81, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Ctrl: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "ctrl+alt+wheel press",
buf: encode(89, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Alt: true,
Ctrl: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
{
name: "ctrl+alt+shift+wheel press",
buf: encode(93, 32, 16, false),
expected: MouseEvent{
X: 32,
Y: 16,
Shift: true,
Alt: true,
Ctrl: true,
Type: MouseWheelDown,
Action: MouseActionPress,
Button: MouseButtonWheelDown,
},
},
}
for i := range tt {
tc := tt[i]
t.Run(tc.name, func(t *testing.T) {
actual := parseSGRMouseEvent(tc.buf)
if tc.expected != actual {
t.Fatalf("expected %#v but got %#v",
tc.expected,
actual,
)
}
})
}
}
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