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xml_coverage.go
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xml_coverage.go
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// Code for parsing XML coverage output (eg. Java or Python).
package test
import "encoding/xml"
import "strings"
import "core"
func parseXmlCoverageResults(target *core.BuildTarget, coverage *core.TestCoverage, data []byte) error {
xcoverage := xmlCoverage{}
if err := xml.Unmarshal(data, &xcoverage); err != nil {
return err
}
for _, pkg := range xcoverage.Packages.Package {
for _, cls := range pkg.Classes.Class {
if strings.HasPrefix(cls.Filename, core.RepoRoot) {
cls.Filename = cls.Filename[len(core.RepoRoot):]
}
// There can be multiple classes per file so we must merge here, not overwrite.
coverage.Files[cls.Filename] = core.MergeCoverageLines(coverage.Files[cls.Filename], parseXmlLines(cls.Lines.Line))
}
}
coverage.Tests[target.Label] = coverage.Files
return nil
}
func parseXmlLines(lines []xmlCoverageLine) []core.LineCoverage {
ret := []core.LineCoverage{}
for _, line := range lines {
for i := len(ret) + 1; i < line.Number; i++ {
ret = append(ret, core.NotExecutable)
}
if line.Hits > 0 {
ret = append(ret, core.Covered)
} else {
ret = append(ret, core.Uncovered)
}
}
return ret
}
// Note that this is based off coverage.py's format, which is originally a Java format
// so some of the structures are a little awkward (eg. 'classes' actually refer to Python modules, not classes).
type xmlCoverage struct {
Packages struct {
Package []struct {
Classes struct {
Class []struct {
LineRate float32 `xml:"line-rate,attr"`
Filename string `xml:"filename,attr"`
Name string `xml:"name,attr"`
Lines struct {
Line []xmlCoverageLine `xml:"line"`
} `xml:"lines"`
} `xml:"class"`
} `xml:"classes"`
} `xml:"package"`
} `xml:"packages"`
}
type xmlCoverageLine struct {
Hits int `xml:"hits,attr"`
Number int `xml:"number,attr"`
}