func convertProfiles(filenames ...string) error {
var ps gocovutil.Packages
for i := range filenames {
converter := converter{
packages: make(map[string]*gocov.Package),
}
profiles, err := cover.ParseProfiles(filenames[i])
if err != nil {
return err
}
for _, p := range profiles {
if err := converter.convertProfile(p); err != nil {
return err
}
}
for _, pkg := range converter.packages {
ps.AddPackage(pkg)
}
}
bytes, err := marshalJson(ps)
if err != nil {
return err
}
fmt.Println(string(bytes))
return nil
}
// htmlOutput reads the profile data from profile and generates an HTML
// coverage report, writing it to outfile. If outfile is empty,
// it writes the report to a temporary file and opens it in a web browser.
func htmlOutput(profile, outfile string) error {
profiles, err := cover.ParseProfiles(profile)
if err != nil {
return err
}
var d templateData
for _, profile := range profiles {
fn := profile.FileName
if profile.Mode == "set" {
d.Set = true
}
file, err := findFile(fn)
if err != nil {
return err
}
src, err := ioutil.ReadFile(file)
if err != nil {
return fmt.Errorf("can't read %q: %v", fn, err)
}
var buf bytes.Buffer
err = htmlGen(&buf, src, profile.Boundaries(src))
if err != nil {
return err
}
d.Files = append(d.Files, &templateFile{
Name: fn,
Body: template.HTML(buf.String()),
})
}
var out *os.File
if outfile == "" {
var dir string
dir, err = ioutil.TempDir("", "cover")
if err != nil {
return err
}
out, err = os.Create(filepath.Join(dir, "coverage.html"))
} else {
out, err = os.Create(outfile)
}
err = htmlTemplate.Execute(out, d)
if err == nil {
err = out.Close()
}
if err != nil {
return err
}
if outfile == "" {
if !startBrowser("file://" + out.Name()) {
fmt.Fprintf(os.Stderr, "HTML output written to %s\n", out.Name())
}
}
return nil
}
func funcOutput(profile, outputFile string) error {
profiles, err := cover.ParseProfiles(profile)
if err != nil {
return err
}
var out *bufio.Writer
if outputFile == "" {
out = bufio.NewWriter(os.Stdout)
} else {
fd, err := os.Create(outputFile)
if err != nil {
return err
}
defer fd.Close()
out = bufio.NewWriter(fd)
}
defer out.Flush()
tabber := tabwriter.NewWriter(out, 1, 8, 1, '\t', 0)
defer tabber.Flush()
var total, covered int64
for _, profile := range profiles {
fn := profile.FileName
file, err := findFile(fn)
if err != nil {
return err
}
funcs, err := findFuncs(file)
if err != nil {
return err
}
// Now match up functions and profile blocks.
for _, f := range funcs {
c, t := f.coverage(profile)
fmt.Fprintf(tabber, "%s:%d:\t%s\t%.1f%%\n", fn, f.startLine, f.name, 100.0*float64(c)/float64(t))
total += t
covered += c
}
}
fmt.Fprintf(tabber, "total:\t(statements)\t%.1f%%\n", 100.0*float64(covered)/float64(total))
return nil
}