codeclimate/test-reporter

package clover

import (
    "encoding/xml"
    "os"
    "strings"

    "github.com/Sirupsen/logrus"
    "github.com/codeclimate/test-reporter/env"
    "github.com/codeclimate/test-reporter/formatters"
    "github.com/pkg/errors"
)

var searchPaths = []string{"build/logs/clover.xml", "clover.xml"}

type Formatter struct {
    Path string
}

func (f *Formatter) Search(paths ...string) (string, error) {
    paths = append(paths, searchPaths...)
    for _, p := range paths {
        logrus.Debugf("checking search path %s for clover formatter", p)
        if _, err := os.Stat(p); err == nil {
            f.Path = p
            return p, nil
        }
    }

    return "", errors.WithStack(errors.Errorf("could not find any files in search paths for clover. search paths were: %s", strings.Join(paths, ", ")))
}

func (r Formatter) Format() (formatters.Report, error) {
    rep, err := formatters.NewReport()
    if err != nil {
        return rep, err
    }

    fx, err := os.Open(r.Path)
    if err != nil {
        return rep, errors.WithStack(err)
    }

    c := &xmlClover{}
    err = xml.NewDecoder(fx).Decode(c)
    if err != nil {
        return rep, errors.WithStack(err)
    }

    gitHead, _ := env.GetHead()

    files := c.Files
    for _, pp := range c.Packages {
        files = append(files, pp.Files...)
    }

    for _, pf := range files {
        num := 1

        path := pf.Path
        if len(path) == 0 {
            path = pf.Name
        }

        sf, err := formatters.NewSourceFile(path, gitHead)
        if err != nil {
            return rep, errors.WithStack(err)
        }
        for _, l := range pf.Lines {
            for num < l.Num {
                sf.Coverage = append(sf.Coverage, formatters.NullInt{})
                num++
            }
            ni := formatters.NewNullInt(l.Count)
            sf.Coverage = append(sf.Coverage, ni)
            num++
        }
        err = rep.AddSourceFile(sf)
        if err != nil {
            return rep, errors.WithStack(err)
        }
    }

    return rep, nil
}