fzf/src/options_test.go

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package fzf
import (
"fmt"
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"io/ioutil"
"testing"
"github.com/junegunn/fzf/src/tui"
)
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func TestDelimiterRegex(t *testing.T) {
// Valid regex
delim := delimiterRegexp(".")
if delim.regex == nil || delim.str != nil {
t.Error(delim)
}
// Broken regex -> string
delim = delimiterRegexp("[0-9")
if delim.regex != nil || *delim.str != "[0-9" {
t.Error(delim)
}
// Valid regex
delim = delimiterRegexp("[0-9]")
if delim.regex.String() != "[0-9]" || delim.str != nil {
t.Error(delim)
}
// Tab character
delim = delimiterRegexp("\t")
if delim.regex != nil || *delim.str != "\t" {
t.Error(delim)
}
// Tab expression
delim = delimiterRegexp("\\t")
if delim.regex != nil || *delim.str != "\t" {
t.Error(delim)
}
// Tabs -> regex
delim = delimiterRegexp("\t+")
if delim.regex == nil || delim.str != nil {
t.Error(delim)
}
}
func TestDelimiterRegexString(t *testing.T) {
delim := delimiterRegexp("*")
tokens := Tokenize("-*--*---**---", delim)
if delim.regex != nil ||
tokens[0].text.ToString() != "-*" ||
tokens[1].text.ToString() != "--*" ||
tokens[2].text.ToString() != "---*" ||
tokens[3].text.ToString() != "*" ||
tokens[4].text.ToString() != "---" {
t.Errorf("%s %v %d", delim, tokens, len(tokens))
}
}
func TestDelimiterRegexRegex(t *testing.T) {
delim := delimiterRegexp("--\\*")
tokens := Tokenize("-*--*---**---", delim)
if delim.str != nil ||
tokens[0].text.ToString() != "-*--*" ||
tokens[1].text.ToString() != "---*" ||
tokens[2].text.ToString() != "*---" {
t.Errorf("%s %d", tokens, len(tokens))
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}
}
func TestSplitNth(t *testing.T) {
{
ranges := splitNth("..")
if len(ranges) != 1 ||
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ranges[0].begin != rangeEllipsis ||
ranges[0].end != rangeEllipsis {
t.Errorf("%v", ranges)
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}
}
{
ranges := splitNth("..3,1..,2..3,4..-1,-3..-2,..,2,-2,2..-2,1..-1")
if len(ranges) != 10 ||
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ranges[0].begin != rangeEllipsis || ranges[0].end != 3 ||
ranges[1].begin != rangeEllipsis || ranges[1].end != rangeEllipsis ||
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ranges[2].begin != 2 || ranges[2].end != 3 ||
ranges[3].begin != 4 || ranges[3].end != rangeEllipsis ||
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ranges[4].begin != -3 || ranges[4].end != -2 ||
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ranges[5].begin != rangeEllipsis || ranges[5].end != rangeEllipsis ||
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ranges[6].begin != 2 || ranges[6].end != 2 ||
ranges[7].begin != -2 || ranges[7].end != -2 ||
ranges[8].begin != 2 || ranges[8].end != -2 ||
ranges[9].begin != rangeEllipsis || ranges[9].end != rangeEllipsis {
t.Errorf("%v", ranges)
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}
}
}
func TestIrrelevantNth(t *testing.T) {
{
opts := defaultOptions()
words := []string{"--nth", "..", "-x"}
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 0 {
t.Errorf("nth should be empty: %v", opts.Nth)
}
}
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for _, words := range [][]string{[]string{"--nth", "..,3", "+x"}, []string{"--nth", "3,1..", "+x"}, []string{"--nth", "..-1,1", "+x"}} {
{
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 0 {
t.Errorf("nth should be empty: %v", opts.Nth)
}
}
{
opts := defaultOptions()
words = append(words, "-x")
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 2 {
t.Errorf("nth should not be empty: %v", opts.Nth)
}
}
}
}
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func TestParseKeys(t *testing.T) {
pairs := parseKeyChords("ctrl-z,alt-z,f2,@,Alt-a,!,ctrl-G,J,g,ctrl-alt-a,ALT-enter,alt-SPACE", "")
check := func(i int, s string) {
if pairs[i] != s {
t.Errorf("%s != %s", pairs[i], s)
}
}
if len(pairs) != 12 {
t.Error(12)
}
check(tui.CtrlZ, "ctrl-z")
check(tui.AltZ, "alt-z")
check(tui.F2, "f2")
check(tui.AltZ+'@', "@")
check(tui.AltA, "Alt-a")
check(tui.AltZ+'!', "!")
check(tui.CtrlA+'g'-'a', "ctrl-G")
check(tui.AltZ+'J', "J")
check(tui.AltZ+'g', "g")
check(tui.CtrlAltA, "ctrl-alt-a")
check(tui.CtrlAltM, "ALT-enter")
check(tui.AltSpace, "alt-SPACE")
// Synonyms
pairs = parseKeyChords("enter,Return,space,tab,btab,esc,up,down,left,right", "")
if len(pairs) != 9 {
t.Error(9)
}
check(tui.CtrlM, "Return")
check(tui.AltZ+' ', "space")
check(tui.Tab, "tab")
check(tui.BTab, "btab")
check(tui.ESC, "esc")
check(tui.Up, "up")
check(tui.Down, "down")
check(tui.Left, "left")
check(tui.Right, "right")
pairs = parseKeyChords("Tab,Ctrl-I,PgUp,page-up,pgdn,Page-Down,Home,End,Alt-BS,Alt-BSpace,shift-left,shift-right,btab,shift-tab,return,Enter,bspace", "")
if len(pairs) != 11 {
t.Error(11)
}
check(tui.Tab, "Ctrl-I")
check(tui.PgUp, "page-up")
check(tui.PgDn, "Page-Down")
check(tui.Home, "Home")
check(tui.End, "End")
check(tui.AltBS, "Alt-BSpace")
check(tui.SLeft, "shift-left")
check(tui.SRight, "shift-right")
check(tui.BTab, "shift-tab")
check(tui.CtrlM, "Enter")
check(tui.BSpace, "bspace")
}
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func TestParseKeysWithComma(t *testing.T) {
checkN := func(a int, b int) {
if a != b {
t.Errorf("%d != %d", a, b)
}
}
check := func(pairs map[int]string, i int, s string) {
if pairs[i] != s {
t.Errorf("%s != %s", pairs[i], s)
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}
}
pairs := parseKeyChords(",", "")
checkN(len(pairs), 1)
check(pairs, tui.AltZ+',', ",")
pairs = parseKeyChords(",,a,b", "")
checkN(len(pairs), 3)
check(pairs, tui.AltZ+'a', "a")
check(pairs, tui.AltZ+'b', "b")
check(pairs, tui.AltZ+',', ",")
pairs = parseKeyChords("a,b,,", "")
checkN(len(pairs), 3)
check(pairs, tui.AltZ+'a', "a")
check(pairs, tui.AltZ+'b', "b")
check(pairs, tui.AltZ+',', ",")
pairs = parseKeyChords("a,,,b", "")
checkN(len(pairs), 3)
check(pairs, tui.AltZ+'a', "a")
check(pairs, tui.AltZ+'b', "b")
check(pairs, tui.AltZ+',', ",")
pairs = parseKeyChords("a,,,b,c", "")
checkN(len(pairs), 4)
check(pairs, tui.AltZ+'a', "a")
check(pairs, tui.AltZ+'b', "b")
check(pairs, tui.AltZ+'c', "c")
check(pairs, tui.AltZ+',', ",")
pairs = parseKeyChords(",,,", "")
checkN(len(pairs), 1)
check(pairs, tui.AltZ+',', ",")
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}
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func TestBind(t *testing.T) {
keymap := defaultKeymap()
check := func(keyName int, arg1 string, types ...actionType) {
if len(keymap[keyName]) != len(types) {
t.Errorf("invalid number of actions (%d != %d)", len(types), len(keymap[keyName]))
return
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}
for idx, action := range keymap[keyName] {
if types[idx] != action.t {
t.Errorf("invalid action type (%d != %d)", types[idx], action.t)
}
}
if len(arg1) > 0 && keymap[keyName][0].a != arg1 {
t.Errorf("invalid action argument: (%s != %s)", arg1, keymap[keyName][0].a)
}
}
check(tui.CtrlA, "", actBeginningOfLine)
parseKeymap(keymap,
"ctrl-a:kill-line,ctrl-b:toggle-sort+up+down,c:page-up,alt-z:page-down,"+
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"f1:execute(ls {+})+abort+execute(echo {+})+select-all,f2:execute/echo {}, {}, {}/,f3:execute[echo '({})'],f4:execute;less {};,"+
"alt-a:execute-Multi@echo (,),[,],/,:,;,%,{}@,alt-b:execute;echo (,),[,],/,:,@,%,{};,"+
"x:Execute(foo+bar),X:execute/bar+baz/"+
",f1:+top,f1:+top"+
",,:abort,::accept,+:execute:++\nfoobar,Y:execute(baz)+up")
check(tui.CtrlA, "", actKillLine)
check(tui.CtrlB, "", actToggleSort, actUp, actDown)
check(tui.AltZ+'c', "", actPageUp)
check(tui.AltZ+',', "", actAbort)
check(tui.AltZ+':', "", actAccept)
check(tui.AltZ, "", actPageDown)
check(tui.F1, "ls {+}", actExecute, actAbort, actExecute, actSelectAll, actTop, actTop)
check(tui.F2, "echo {}, {}, {}", actExecute)
check(tui.F3, "echo '({})'", actExecute)
check(tui.F4, "less {}", actExecute)
check(tui.AltZ+'x', "foo+bar", actExecute)
check(tui.AltZ+'X', "bar+baz", actExecute)
check(tui.AltA, "echo (,),[,],/,:,;,%,{}", actExecuteMulti)
check(tui.AltB, "echo (,),[,],/,:,@,%,{}", actExecute)
check(tui.AltZ+'+', "++\nfoobar,Y:execute(baz)+up", actExecute)
for idx, char := range []rune{'~', '!', '@', '#', '$', '%', '^', '&', '*', '|', ';', '/'} {
parseKeymap(keymap, fmt.Sprintf("%d:execute%cfoobar%c", idx%10, char, char))
check(tui.AltZ+int([]rune(fmt.Sprintf("%d", idx%10))[0]), "foobar", actExecute)
}
parseKeymap(keymap, "f1:abort")
check(tui.F1, "", actAbort)
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}
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func TestColorSpec(t *testing.T) {
theme := tui.Dark256
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dark := parseTheme(theme, "dark")
if *dark != *theme {
t.Errorf("colors should be equivalent")
}
if dark == theme {
t.Errorf("point should not be equivalent")
}
light := parseTheme(theme, "dark,light")
if *light == *theme {
t.Errorf("should not be equivalent")
}
if *light != *tui.Light256 {
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t.Errorf("colors should be equivalent")
}
if light == theme {
t.Errorf("point should not be equivalent")
}
customized := parseTheme(theme, "fg:231,bg:232")
if customized.Fg.Color != 231 || customized.Bg.Color != 232 {
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t.Errorf("color not customized")
}
if *tui.Dark256 == *customized {
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t.Errorf("colors should not be equivalent")
}
customized.Fg = tui.Dark256.Fg
customized.Bg = tui.Dark256.Bg
if *tui.Dark256 != *customized {
t.Errorf("colors should now be equivalent: %v, %v", tui.Dark256, customized)
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}
customized = parseTheme(theme, "fg:231,dark,bg:232")
if customized.Fg != tui.Dark256.Fg || customized.Bg == tui.Dark256.Bg {
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t.Errorf("color not customized")
}
}
func TestDefaultCtrlNP(t *testing.T) {
check := func(words []string, key int, expected actionType) {
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
if opts.Keymap[key][0].t != expected {
t.Error()
}
}
check([]string{}, tui.CtrlN, actDown)
check([]string{}, tui.CtrlP, actUp)
check([]string{"--bind=ctrl-n:accept"}, tui.CtrlN, actAccept)
check([]string{"--bind=ctrl-p:accept"}, tui.CtrlP, actAccept)
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f, _ := ioutil.TempFile("", "fzf-history")
f.Close()
hist := "--history=" + f.Name()
check([]string{hist}, tui.CtrlN, actNextHistory)
check([]string{hist}, tui.CtrlP, actPreviousHistory)
check([]string{hist, "--bind=ctrl-n:accept"}, tui.CtrlN, actAccept)
check([]string{hist, "--bind=ctrl-n:accept"}, tui.CtrlP, actPreviousHistory)
check([]string{hist, "--bind=ctrl-p:accept"}, tui.CtrlN, actNextHistory)
check([]string{hist, "--bind=ctrl-p:accept"}, tui.CtrlP, actAccept)
}
func optsFor(words ...string) *Options {
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
return opts
}
func TestToggle(t *testing.T) {
opts := optsFor()
if opts.ToggleSort {
t.Error()
}
opts = optsFor("--bind=a:toggle-sort")
if !opts.ToggleSort {
t.Error()
}
opts = optsFor("--bind=a:toggle-sort", "--bind=a:up")
if opts.ToggleSort {
t.Error()
}
}
func TestPreviewOpts(t *testing.T) {
opts := optsFor()
if !(opts.Preview.command == "" &&
opts.Preview.hidden == false &&
opts.Preview.wrap == false &&
opts.Preview.position == posRight &&
opts.Preview.size.percent == true &&
opts.Preview.size.size == 50) {
t.Error()
}
opts = optsFor("--preview", "cat {}", "--preview-window=left:15:hidden:wrap:+{1}-/2")
if !(opts.Preview.command == "cat {}" &&
opts.Preview.hidden == true &&
opts.Preview.wrap == true &&
opts.Preview.position == posLeft &&
opts.Preview.scroll == "{1}-/2" &&
opts.Preview.size.percent == false &&
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opts.Preview.size.size == 15) {
t.Error(opts.Preview)
}
opts = optsFor("--preview-window=up:15:wrap:hidden:+{1}-/2", "--preview-window=down", "--preview-window=cycle")
if !(opts.Preview.command == "" &&
opts.Preview.hidden == true &&
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opts.Preview.wrap == true &&
opts.Preview.cycle == true &&
opts.Preview.position == posDown &&
opts.Preview.scroll == "{1}-/2" &&
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opts.Preview.size.percent == false &&
opts.Preview.size.size == 15) {
t.Error(opts.Preview.size.size)
}
opts = optsFor("--preview-window=up:15:wrap:hidden")
if !(opts.Preview.command == "" &&
opts.Preview.hidden == true &&
opts.Preview.wrap == true &&
opts.Preview.position == posUp &&
opts.Preview.size.percent == false &&
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opts.Preview.size.size == 15) {
t.Error(opts.Preview)
}
opts = optsFor("--preview=foo", "--preview-window=up", "--preview-window=default:70%")
if !(opts.Preview.command == "foo" &&
opts.Preview.position == posRight &&
opts.Preview.size.percent == true &&
opts.Preview.size.size == 70) {
t.Error(opts.Preview)
}
}
func TestAdditiveExpect(t *testing.T) {
opts := optsFor("--expect=a", "--expect", "b", "--expect=c")
if len(opts.Expect) != 3 {
t.Error(opts.Expect)
}
}
func TestValidateSign(t *testing.T) {
testCases := []struct {
inputSign string
isValid bool
}{
{"> ", true},
{"아", true},
{"😀", true},
{"", false},
{">>>", false},
{"\n", false},
{"\t", false},
}
for _, testCase := range testCases {
err := validateSign(testCase.inputSign, "")
if testCase.isValid && err != nil {
t.Errorf("Input sign `%s` caused error", testCase.inputSign)
}
if !testCase.isValid && err == nil {
t.Errorf("Input sign `%s` did not cause error", testCase.inputSign)
}
}
}