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package fzf
import (
"fmt"
"testing"
)
func TestExtractColor(t *testing.T) {
assert := func(offset ansiOffset, b int32, e int32, fg int, bg int, bold bool) {
if offset.offset[0] != b || offset.offset[1] != e ||
offset.color.fg != fg || offset.color.bg != bg || offset.color.bold != bold {
t.Error(offset, b, e, fg, bg, bold)
}
}
src := "hello world"
clean := "\x1b[0m"
check := func(assertion func(ansiOffsets []ansiOffset)) {
output, ansiOffsets := extractColor(&src)
if *output != "hello world" {
t.Errorf("Invalid output: {}", output)
}
fmt.Println(src, ansiOffsets, clean)
assertion(ansiOffsets)
}
check(func(offsets []ansiOffset) {
if len(offsets) > 0 {
t.Fail()
}
})
src = "\x1b[0mhello world"
check(func(offsets []ansiOffset) {
if len(offsets) > 0 {
t.Fail()
}
})
src = "\x1b[1mhello world"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 0, 11, -1, -1, true)
})
src = "\x1b[1mhello \x1b[mworld"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 0, 6, -1, -1, true)
})
src = "\x1b[1mhello \x1b[Kworld"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 0, 11, -1, -1, true)
})
src = "hello \x1b[34;45;1mworld"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 6, 11, 4, 5, true)
})
src = "hello \x1b[34;45;1mwor\x1b[34;45;1mld"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 6, 11, 4, 5, true)
})
src = "hello \x1b[34;45;1mwor\x1b[0mld"
check(func(offsets []ansiOffset) {
if len(offsets) != 1 {
t.Fail()
}
assert(offsets[0], 6, 9, 4, 5, true)
})
src = "hello \x1b[34;48;5;233;1mwo\x1b[38;5;161mr\x1b[0ml\x1b[38;5;161md"
check(func(offsets []ansiOffset) {
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}
src = "hello \x1b[38;5;38;48;5;48;1mwor\x1b[38;5;48;48;5;38ml\x1b[0md"
check(func(offsets []ansiOffset) {
if len(offsets) != 2 {
t.Fail()
}
assert(offsets[0], 6, 9, 38, 48, true)
assert(offsets[1], 9, 10, 48, 38, true)
})
}
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