package main import ( "bytes" "io/ioutil" "regexp" "sort" "strings" "testing" "github.com/PuerkitoBio/goquery" "github.com/russross/blackfriday" ) func TestAlpha(t *testing.T) { query := startQuery() query.Find("body > ul").Each(func(_ int, s *goquery.Selection) { testList(t, s) }) } func TestDuplicatedLinks(t *testing.T) { query := startQuery() links := make(map[string]bool, 0) query.Find("body li > a:first-child").Each(func(_ int, s *goquery.Selection) { t.Run(s.Text(), func(t *testing.T) { href, ok := s.Attr("href") if !ok { t.Error("expected to have href") } if links[href] { t.Fatalf("duplicated link '%s'", href) } links[href] = true }) }) } var ( reContainsLink = regexp.MustCompile(`\* \[.*\]$.*$`) reOnlyLink = regexp.MustCompile(`\* \[.*\]$.*$$`) reLinkWithDescription = regexp.MustCompile(`\* \[.*\]$.*$ - \S`) ) // Test if an entry has description, it must be separated from link with ` - ` func TestSeparator(t *testing.T) { var matched, containsLink, noDescription bool input, err := ioutil.ReadFile("./README.md") if err != nil { panic(err) } lines := strings.Split(string(input), "\n") for _, line := range lines { line = strings.Trim(line, " ") containsLink = reContainsLink.MatchString(line) if containsLink { noDescription = reOnlyLink.MatchString(line) if noDescription { continue } matched = reLinkWithDescription.MatchString(line) if !matched { t.Errorf("expected entry to be in form of `* [link] - description`, got '%s'", line) } } } } func testList(t *testing.T, list *goquery.Selection) { list.Find("ul").Each(func(_ int, items *goquery.Selection) { testList(t, items) items.RemoveFiltered("ul") }) category := list.Prev().Text() t.Run(category, func(t *testing.T) { checkAlphabeticOrder(t, list) }) } func readme() []byte { input, err := ioutil.ReadFile("./README.md") if err != nil { panic(err) } html := append([]byte(""), blackfriday.MarkdownCommon(input)...) html = append(html, []byte("")...) return html } func startQuery() *goquery.Document { buf := bytes.NewBuffer(readme()) query, err := goquery.NewDocumentFromReader(buf) if err != nil { panic(err) } return query } func checkAlphabeticOrder(t *testing.T, s *goquery.Selection) { items := s.Find("li > a:first-child").Map(func(_ int, li *goquery.Selection) string { return strings.ToLower(li.Text()) }) sorted := make([]string, len(items)) copy(sorted, items) sort.Strings(sorted) for k, item := range items { if item != sorted[k] { t.Errorf("expected '%s' but actual is '%s'", sorted[k], item) } } if t.Failed() { t.Logf("expected order is:\n%s", strings.Join(sorted, "\n")) } }