diff options
Diffstat (limited to 'util/text/text_test.go')
-rw-r--r-- | util/text/text_test.go | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/util/text/text_test.go b/util/text/text_test.go deleted file mode 100644 index 5be25409..00000000 --- a/util/text/text_test.go +++ /dev/null @@ -1,376 +0,0 @@ -package text - -import ( - "reflect" - "strings" - "testing" -) - -func TestWrap(t *testing.T) { - cases := []struct { - Input, Output string - Lim int - }{ - // A simple word passes through. - { - "foo", - "foo", - 4, - }, - // Word breaking - { - "foobarbaz", - "foob\narba\nz", - 4, - }, - // Lines are broken at whitespace. - { - "foo bar baz", - "foo\nbar\nbaz", - 4, - }, - // Word breaking - { - "foo bars bazzes", - "foo\nbars\nbazz\nes", - 4, - }, - // A word that would run beyond the width is wrapped. - { - "fo sop", - "fo\nsop", - 4, - }, - // A tab counts as 4 characters. - { - "foo\nb\t r\n baz", - "foo\nb\nr\n baz", - 4, - }, - // Trailing whitespace is removed after used for wrapping. - // Runs of whitespace on which a line is broken are removed. - { - "foo \nb ar ", - "foo\n\nb\nar\n", - 4, - }, - // An explicit line break at the end of the input is preserved. - { - "foo bar baz\n", - "foo\nbar\nbaz\n", - 4, - }, - // Explicit break are always preserved. - { - "\nfoo bar\n\n\nbaz\n", - "\nfoo\nbar\n\n\nbaz\n", - 4, - }, - // Ignore complete words with terminal color sequence - { - "foo \x1b[31mbar\x1b[0m baz", - "foo\n\x1b[31mbar\x1b[0m\nbaz", - 4, - }, - // Handle words with colors sequence inside the word - { - "foo b\x1b[31mbar\x1b[0mr baz", - "foo\nb\x1b[31mbar\n\x1b[0mr\nbaz", - 4, - }, - // Break words with colors sequence inside the word - { - "foo bb\x1b[31mbar\x1b[0mr baz", - "foo\nbb\x1b[31mba\nr\x1b[0mr\nbaz", - 4, - }, - // Complete example: - { - " This is a list: \n\n\t* foo\n\t* bar\n\n\n\t* baz \nBAM ", - " This\nis a\nlist:\n\n *\nfoo\n *\nbar\n\n\n *\nbaz\nBAM\n", - 6, - }, - // Handle chinese (wide characters) - { - "一只敏捷的狐狸跳过了一只懒狗。", - "一只敏捷的狐\n狸跳过了一只\n懒狗。", - 12, - }, - // Handle chinese with colors - { - "一只敏捷的\x1b[31m狐狸跳过\x1b[0m了一只懒狗。", - "一只敏捷的\x1b[31m狐\n狸跳过\x1b[0m了一只\n懒狗。", - 12, - }, - // Handle mixed wide and short characters - { - "敏捷 A quick 的狐狸 fox 跳过 jumps over a lazy 了一只懒狗 dog。", - "敏捷 A quick\n的狐狸 fox\n跳过 jumps\nover a lazy\n了一只懒狗\ndog。", - 12, - }, - // Handle mixed wide and short characters with color - { - "敏捷 A \x1b31mquick 的狐狸 fox 跳\x1b0m过 jumps over a lazy 了一只懒狗 dog。", - "敏捷 A \x1b31mquick\n的狐狸 fox\n跳\x1b0m过 jumps\nover a lazy\n了一只懒狗\ndog。", - 12, - }, - } - - for i, tc := range cases { - actual, lines := Wrap(tc.Input, tc.Lim) - if actual != tc.Output { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n\n`%s`\n\nActual Output:\n\n`%s`", - i, tc.Input, tc.Output, actual) - } - - expected := len(strings.Split(tc.Output, "\n")) - if expected != lines { - t.Fatalf("Case %d Nb lines mismatch\nExpected:%d\nActual:%d", - i, expected, lines) - } - } -} - -func TestWrapLeftPadded(t *testing.T) { - cases := []struct { - input, output string - lim, pad int - }{ - { - "The Lorem ipsum text is typically composed of pseudo-Latin words. It is commonly used as placeholder text to examine or demonstrate the visual effects of various graphic design.", - ` The Lorem ipsum text is typically composed of - pseudo-Latin words. It is commonly used as placeholder - text to examine or demonstrate the visual effects of - various graphic design.`, - 59, 4, - }, - // Handle Chinese - { - "婞一枳郲逴靲屮蜧曀殳,掫乇峔掮傎溒兀緉冘仜。郼牪艽螗媷錵朸一詅掜豗怙刉笀丌,楀棶乇矹迡搦囷圣亍昄漚粁仈祂。覂一洳袶揙楱亍滻瘯毌,掗屮柅軡菵腩乜榵毌夯。勼哻怌婇怤灟葠雺奷朾恦扰衪岨坋誁乇芚誙腞。冇笉妺悆浂鱦賌廌灱灱觓坋佫呬耴跣兀枔蓔輈。嵅咍犴膰痭瘰机一靬涽捊矷尒玶乇,煚塈丌岰陊鉖怞戉兀甿跾觓夬侄。棩岧汌橩僁螗玎一逭舴圂衪扐衲兀,嵲媕亍衩衿溽昃夯丌侄蒰扂丱呤。毰侘妅錣廇螉仴一暀淖蚗佶庂咺丌,輀鈁乇彽洢溦洰氶乇构碨洐巿阹。", - ` 婞一枳郲逴靲屮蜧曀殳,掫乇峔掮傎溒兀緉冘仜。郼牪艽螗媷 - 錵朸一詅掜豗怙刉笀丌,楀棶乇矹迡搦囷圣亍昄漚粁仈祂。覂 - 一洳袶揙楱亍滻瘯毌,掗屮柅軡菵腩乜榵毌夯。勼哻怌婇怤灟 - 葠雺奷朾恦扰衪岨坋誁乇芚誙腞。冇笉妺悆浂鱦賌廌灱灱觓坋 - 佫呬耴跣兀枔蓔輈。嵅咍犴膰痭瘰机一靬涽捊矷尒玶乇,煚塈 - 丌岰陊鉖怞戉兀甿跾觓夬侄。棩岧汌橩僁螗玎一逭舴圂衪扐衲 - 兀,嵲媕亍衩衿溽昃夯丌侄蒰扂丱呤。毰侘妅錣廇螉仴一暀淖 - 蚗佶庂咺丌,輀鈁乇彽洢溦洰氶乇构碨洐巿阹。`, - 59, 4, - }, - // Handle long unbreakable words in a full stentence - { - "OT: there are alternatives to maintainer-/user-set priority, e.g. \"[user pain](http://www.lostgarden.com/2008/05/improving-bug-triage-with-user-pain.html)\".", - ` OT: there are alternatives to maintainer-/user-set - priority, e.g. "[user pain](http://www.lostgarden.com/ - 2008/05/improving-bug-triage-with-user-pain.html)".`, - 58, 4, - }, - } - - for i, tc := range cases { - actual, lines := WrapLeftPadded(tc.input, tc.lim, tc.pad) - if actual != tc.output { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n`\n%s`\n\nActual Output:\n`\n%s\n%s`", - i, tc.input, tc.output, - "|"+strings.Repeat("-", tc.lim-2)+"|", - actual) - } - - expected := len(strings.Split(tc.output, "\n")) - if expected != lines { - t.Fatalf("Case %d Nb lines mismatch\nExpected:%d\nActual:%d", - i, expected, lines) - } - } -} - -func TestWordLen(t *testing.T) { - cases := []struct { - Input string - Length int - }{ - // A simple word - { - "foo", - 3, - }, - // A simple word with colors - { - "\x1b[31mbar\x1b[0m", - 3, - }, - // Handle prefix and suffix properly - { - "foo\x1b[31mfoobarHoy\x1b[0mbaaar", - 17, - }, - // Handle chinese - { - "快檢什麼望對", - 12, - }, - // Handle chinese with colors - { - "快\x1b[31m檢什麼\x1b[0m望對", - 12, - }, - } - - for i, tc := range cases { - l := wordLen(tc.Input) - if l != tc.Length { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n\n`%d`\n\nActual Output:\n\n`%d`", - i, tc.Input, tc.Length, l) - } - } -} - -func TestSplitWord(t *testing.T) { - cases := []struct { - Input string - Length int - Result, Leftover string - }{ - // A simple word passes through. - { - "foo", - 4, - "foo", "", - }, - // Cut at the right place - { - "foobarHoy", - 4, - "foob", "arHoy", - }, - // A simple word passes through with colors - { - "\x1b[31mbar\x1b[0m", - 4, - "\x1b[31mbar\x1b[0m", "", - }, - // Cut at the right place with colors - { - "\x1b[31mfoobarHoy\x1b[0m", - 4, - "\x1b[31mfoob", "arHoy\x1b[0m", - }, - // Handle prefix and suffix properly - { - "foo\x1b[31mfoobarHoy\x1b[0mbaaar", - 4, - "foo\x1b[31mf", "oobarHoy\x1b[0mbaaar", - }, - // Cut properly with length = 0 - { - "foo", - 0, - "", "foo", - }, - // Handle chinese - { - "快檢什麼望對", - 4, - "快檢", "什麼望對", - }, - { - "快檢什麼望對", - 5, - "快檢", "什麼望對", - }, - // Handle chinese with colors - { - "快\x1b[31m檢什麼\x1b[0m望對", - 4, - "快\x1b[31m檢", "什麼\x1b[0m望對", - }, - } - - for i, tc := range cases { - result, leftover := splitWord(tc.Input, tc.Length) - if result != tc.Result || leftover != tc.Leftover { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n\n`%s` - `%s`\n\nActual Output:\n\n`%s` - `%s`", - i, tc.Input, tc.Result, tc.Leftover, result, leftover) - } - } -} - -func TestExtractApplyTermEscapes(t *testing.T) { - cases := []struct { - Input string - Output string - TermEscapes []escapeItem - }{ - // A plain ascii line with escapes. - { - "This \x1b[31mis an\x1b[0m example.", - "This is an example.", - []escapeItem{{"\x1b[31m", 5}, {"\x1b[0m", 10}}, - }, - // Escape at the end - { - "This \x1b[31mis an example.\x1b[0m", - "This is an example.", - []escapeItem{{"\x1b[31m", 5}, {"\x1b[0m", 19}}, - }, - // A plain wide line with escapes. - { - "一只敏捷\x1b[31m的狐狸\x1b[0m跳过了一只懒狗。", - "一只敏捷的狐狸跳过了一只懒狗。", - []escapeItem{{"\x1b[31m", 4}, {"\x1b[0m", 7}}, - }, - // A normal-wide mixed line with escapes. - { - "一只 A Quick 敏捷\x1b[31m的狐 Fox 狸\x1b[0m跳过了Dog一只懒狗。", - "一只 A Quick 敏捷的狐 Fox 狸跳过了Dog一只懒狗。", - []escapeItem{{"\x1b[31m", 13}, {"\x1b[0m", 21}}, - }, - } - - for i, tc := range cases { - line2, escapes := extractTermEscapes(tc.Input) - if line2 != tc.Output || !reflect.DeepEqual(escapes, tc.TermEscapes) { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n\nLine: `%s`\nEscapes: `%+v`\n\nActual Output:\n\nLine: `%s`\nEscapes: `%+v`\n\n", - i, tc.Input, tc.Output, tc.TermEscapes, line2, escapes) - } - line3 := applyTermEscapes(line2, escapes) - if line3 != tc.Input { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Result:\n\n`%s`\n\nActual Result:\n\n`%s`\n\n", - i, tc.Input, tc.Input, line3) - } - } -} - -func TestSegmentLines(t *testing.T) { - cases := []struct { - Input string - Output []string - }{ - // A plain ascii line with escapes. - { - "This is an example.", - []string{"This", " ", "is", " ", "an", " ", "example."}, - }, - // A plain wide line with escapes. - { - "一只敏捷的狐狸跳过了一只懒狗。", - []string{"一", "只", "敏", "捷", "的", "狐", "狸", "跳", "过", - "了", "一", "只", "懒", "狗", "。"}, - }, - // A complex stentence. - { - "This is a 'complex' example, where 一只 and English 混合了。", - []string{"This", " ", "is", " ", "a", " ", "'complex'", " ", "example,", - " ", "where", " ", "一", "只", " ", "and", " ", "English", " ", "混", - "合", "了", "。"}, - }, - } - - for i, tc := range cases { - chunks := segmentLine(tc.Input) - if !reflect.DeepEqual(chunks, tc.Output) { - t.Fatalf("Case %d Input:\n\n`%s`\n\nExpected Output:\n\n`[%s]`\n\nActual Output:\n\n`[%s]`\n\n", - i, tc.Input, strings.Join(tc.Output, ", "), strings.Join(chunks, ", ")) - } - } -} |