// cannot test for err return of exec.Command()
func Test_CreatePdf_createRegularPdf(t *testing.T) {
a := Article{
Journal: "Acme Journal",
Title: "Testing Title",
Authors: []string{"Author One"},
Content: "This is the text body.",
BaseName: "test",
}
CreatePdf(a)
dst := a.BaseName
_, ok := os.Stat(dst + ".pdf")
if ok != nil {
t.Errorf("PDF file is not present.")
}
_, okaux := os.Stat(dst + ".aux")
_, oklog := os.Stat(dst + ".log")
_, okout := os.Stat(dst + ".out")
//_, oktex := os.Stat(dst + ".tex")
if okaux == nil || oklog == nil || okout == nil { // || oktex == nil {
t.Errorf("Latex temp files are present.")
}
logger.Err(os.Remove(dst + ".pdf"))
logger.Err(os.Remove(dst + ".tex"))
}
func serveArticle(w http.ResponseWriter, req *http.Request) {
urlLink := req.URL.Query().Get("url")
format := req.URL.Query().Get("format")
excludeFigures := req.URL.Query().Get("excludeFigures")
if excludeFigures == "on" {
*EXCLUDE_FIGS = true
} else {
*EXCLUDE_FIGS = false
}
article, _ := extractArticle(urlLink)
switch format {
case "json":
writeJSON(&w, article.Json())
case "text":
writeText(&w, article.Text())
case "html":
writeHtml(&w, article.Html())
case "latex":
writeText(&w, article.Latex())
case "pdf":
CreatePdf(article)
pdf := article.BaseName + ".pdf"
tex := article.BaseName + ".tex"
writePdf(&w, req, pdf)
logger.Err(os.Remove(pdf))
logger.Err(os.Remove(tex))
default:
writeJSON(&w, article.Json())
}
}
func Test_getLatexBody(t *testing.T) {
a := Article{
BaseName: "test_article",
Title: "Testing Title",
Authors: []string{"Author One"},
Content: `Test Text.`,
Abstract: "This is the abstract.",
Date: "2 June 2015",
Journal: "Test Journal",
Url: "http://www.test.com",
LatexEscUrl: "http://www.test.com",
}
a.Pdf()
got := GetLatexBody(a.BaseName + ".tex")
want := `\renewcommand{\title}{{\LARGE{\textbf{Testing Title}}}}
\renewcommand{\author}{{By Author One.}}
\begin{document}
\begin{center}
\title \\[0.5em]
\author \\[0.5em]
\begin{abstract}
This is the abstract.
\end{abstract}
\end{center}
\begin{multicols}{2}
Test Text.
\end{multicols}
\vspace{1ex}
\par\noindent\rule{0.1\textwidth}{0.5pt}\\
\footnotesize{Published on 2 June 2015 in Test Journal}
\footnotesize{\href{http://www.test.com}{\nolinkurl{http://www.test.com}}.}
\end{document}
`
if err := testutils.MustBeEqual(got, want); err != nil {
t.Errorf("strings don't match")
}
logger.Err(os.Remove("test_article.tex"))
logger.Err(os.Remove("test_article.pdf"))
}
func (a Article) Html() string {
b, err := ioutil.ReadFile(showTemplate)
logger.Err(err)
t := template.New("html")
t, err = t.Parse(string(b))
logger.Err(err)
var result bytes.Buffer
logger.Err(t.Execute(&result, a))
return result.String()
}
func inputs(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
getTempl.Execute(w, nil)
s, err := NewScraperStore(*pluginDir)
logger.Err(err)
if err == nil {
showSupport(w, s)
}
return
}
url := req.FormValue("url")
format := req.FormValue("format")
excludeFigures := req.FormValue("excludeFigures")
// create NewClient
// send request to backend
// handle response from backend
// display result
http.Redirect(w, req, "/api/?url="+url+"&format="+format+"&excludeFigures="+excludeFigures, http.StatusFound)
logger.Debug("submitted url : ", url)
logger.Debug("output format : ", format)
logger.Debug("exclude figures: ", excludeFigures)
}
// cleanup deletes all image and latex tmp files. Taken from
// https://www.socketloop.com/tutorials/golang-find-files-by-extension
func cleanup() {
dirname := "." + string(filepath.Separator)
d, err := os.Open(dirname)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer d.Close()
files, err := d.Readdir(-1)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
for _, file := range files {
if file.Mode().IsRegular() {
isTypeToDelete := isType(file, ".png") ||
isType(file, ".jpeg") ||
isType(file, ".gif") ||
isType(file, ".jpg") ||
isType(file, ".aux") ||
isType(file, ".log") ||
isType(file, ".out") ||
file.Name() == "want" ||
file.Name() == "got"
if isTypeToDelete {
logger.Err(os.Remove(file.Name()))
}
}
}
}
// CreateLatex takes an Article a and returns a string with a complete
// latex document content.
func createLatex(a Article) string {
b, err := ioutil.ReadFile(texTemplate)
logger.Err(err)
t := template.New("latex")
t = t.Delims("((", "))")
t, err = t.Parse(string(b))
logger.Err(err)
// Change the html content to Latex source code
a.Texify()
log.Println("Article file:")
var result bytes.Buffer
logger.Err(t.Execute(&result, a))
return result.String()
}
func showColordiffOutput(got, want string) error {
// write got and Want to disk
logger.Err(ioutil.WriteFile("got", []byte(got), 0777))
logger.Err(ioutil.WriteFile("want", []byte(want), 0777))
// open with showColordiffOutput
cmd := "colordiff"
args := []string{"-w", "-B", "-I=*label*", "-I=*includegraphics*", "got", "want"}
out, err := exec.Command(cmd, args...).Output()
if err != nil {
switch {
// if cmd colordiff is not found, try normal diff
case err.Error() == "executable file not found In $PATH":
showDiffOutput(got, want)
default:
log.Println("got want")
}
fmt.Println(string(out))
return err
} else {
return nil
}
}
func createTexFile(a Article) {
logger.Err(ioutil.WriteFile(a.BaseName+".tex", []byte(createLatex(a)), 0777))
}