package fzf import ( "fmt" "strings" "testing" "github.com/junegunn/fzf/src/tui" ) func TestExtractColor(t *testing.T) { assert := func(offset ansiOffset, b int32, e int32, fg tui.Color, bg tui.Color, bold bool) { var attr tui.Attr if bold { attr = tui.Bold } if offset.offset[0] != b || offset.offset[1] != e || offset.color.fg != fg || offset.color.bg != bg || offset.color.attr != attr { t.Error(offset, b, e, fg, bg, attr) } } src := "hello world" var state *ansiState clean := "\x1b[0m" check := func(assertion func(ansiOffsets *[]ansiOffset, state *ansiState)) { output, ansiOffsets, newState := extractColor(src, state, nil) state = newState if output != "hello world" { t.Errorf("Invalid output: %s %v", output, []rune(output)) } fmt.Println(src, ansiOffsets, clean) assertion(ansiOffsets, state) } check(func(offsets *[]ansiOffset, state *ansiState) { if offsets != nil { t.Fail() } }) state = nil src = "\x1b[0mhello world" check(func(offsets *[]ansiOffset, state *ansiState) { if offsets != nil { t.Fail() } }) state = nil src = "\x1b[1mhello world" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 0, 11, -1, -1, true) }) state = nil src = "\x1b[1mhello \x1b[mw\x1b7o\x1b8r\x1b(Bl\x1b[2@d" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 0, 6, -1, -1, true) }) state = nil src = "\x1b[1mhello \x1b[Kworld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 0, 11, -1, -1, true) }) state = nil src = "hello \x1b[34;45;1mworld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 6, 11, 4, 5, true) }) state = nil src = "hello \x1b[34;45;1mwor\x1b[34;45;1mld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 6, 11, 4, 5, true) }) state = nil src = "hello \x1b[34;45;1mwor\x1b[0mld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } assert((*offsets)[0], 6, 9, 4, 5, true) }) state = nil src = "hello \x1b[34;48;5;233;1mwo\x1b[38;5;161mr\x1b[0ml\x1b[38;5;161md" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 3 { t.Fail() } assert((*offsets)[0], 6, 8, 4, 233, true) assert((*offsets)[1], 8, 9, 161, 233, true) assert((*offsets)[2], 10, 11, 161, -1, false) }) // {38,48};5;{38,48} state = nil src = "hello \x1b[38;5;38;48;5;48;1mwor\x1b[38;5;48;48;5;38ml\x1b[0md" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 2 { t.Fail() } assert((*offsets)[0], 6, 9, 38, 48, true) assert((*offsets)[1], 9, 10, 48, 38, true) }) src = "hello \x1b[32;1mworld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } if state.fg != 2 || state.bg != -1 || state.attr == 0 { t.Fail() } assert((*offsets)[0], 6, 11, 2, -1, true) }) src = "hello world" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 1 { t.Fail() } if state.fg != 2 || state.bg != -1 || state.attr == 0 { t.Fail() } assert((*offsets)[0], 0, 11, 2, -1, true) }) src = "hello \x1b[0;38;5;200;48;5;100mworld" check(func(offsets *[]ansiOffset, state *ansiState) { if len(*offsets) != 2 { t.Fail() } if state.fg != 200 || state.bg != 100 || state.attr > 0 { t.Fail() } assert((*offsets)[0], 0, 6, 2, -1, true) assert((*offsets)[1], 6, 11, 200, 100, false) }) } func TestAnsiCodeStringConversion(t *testing.T) { assert := func(code string, prevState *ansiState, expected string) { state := interpretCode(code, prevState) if expected != state.ToString() { t.Errorf("expected: %s, actual: %s", strings.Replace(expected, "\x1b[", "\\x1b[", -1), strings.Replace(state.ToString(), "\x1b[", "\\x1b[", -1)) } } assert("\x1b[m", nil, "") assert("\x1b[m", &ansiState{attr: tui.Blink, lbg: -1}, "") assert("\x1b[31m", nil, "\x1b[31;49m") assert("\x1b[41m", nil, "\x1b[39;41m") assert("\x1b[92m", nil, "\x1b[92;49m") assert("\x1b[102m", nil, "\x1b[39;102m") assert("\x1b[31m", &ansiState{fg: 4, bg: 4, lbg: -1}, "\x1b[31;44m") assert("\x1b[1;2;31m", &ansiState{fg: 2, bg: -1, attr: tui.Reverse, lbg: -1}, "\x1b[1;2;7;31;49m") assert("\x1b[38;5;100;48;5;200m", nil, "\x1b[38;5;100;48;5;200m") assert("\x1b[48;5;100;38;5;200m", nil, "\x1b[38;5;200;48;5;100m") assert("\x1b[48;5;100;38;2;10;20;30;1m", nil, "\x1b[1;38;2;10;20;30;48;5;100m") assert("\x1b[48;5;100;38;2;10;20;30;7m", &ansiState{attr: tui.Dim | tui.Italic, fg: 1, bg: 1}, "\x1b[2;3;7;38;2;10;20;30;48;5;100m") }