1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
|
package main
import (
"encoding/json"
"errors"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
)
type codeCoverage struct {
Packages []coveragePackage `json:"Packages"`
}
type coveragePackage struct {
Name string `json:"name"`
CoverageGoal float64 `json:"CoverageGoal"`
}
const (
coverageXmlFile = "coverage.xml"
)
func check(e error) {
if e != nil {
log.Fatal(e)
}
}
func findCoverageFiles(root string) []string {
var coverageFiles []string
err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if strings.Contains(path, coverageXmlFile) {
coverageFiles = append(coverageFiles, path)
}
return nil
})
check(err)
return coverageFiles
}
func readConfigData(coverageConfig string) *codeCoverage {
jsonFile, err := os.Open(coverageConfig)
check(err)
defer jsonFile.Close()
byteValue, err := ioutil.ReadAll(jsonFile)
check(err)
var cov codeCoverage
err = json.Unmarshal([]byte(byteValue), &cov)
check(err)
return &cov
}
// This supports doing a single package at a time. If this needs to be expanded in the future
// this method will have to return a []*float64 for each packages goal
func findCoverageGoal(covFiles []string, configData *codeCoverage) float64 {
for _, covFile := range covFiles {
// check for an exact match _first_, then go to fuzzy matching
for _, p := range configData.Packages {
if covFile == p.Name {
return p.CoverageGoal
}
}
for _, p := range configData.Packages {
if strings.Contains(covFile, p.Name) {
return p.CoverageGoal
}
}
}
fmt.Println("WARNING: Could not find a coverage goal, defaulting to 95%.")
return 0.95
}
func parseCoveragePercent(xmlContents []byte) (float64, error) {
re := regexp.MustCompile(`<coverage line-rate=\"(\d(?:\.\d+)?)\"`)
matches := re.FindStringSubmatch(string(xmlContents[:]))
if len(matches) < 2 {
return 0, errors.New("could not match regexp to coverage.xml file")
}
coverageFloat, err := strconv.ParseFloat(matches[1], 32)
if err != nil {
return 0, err
}
return coverageFloat, nil
}
func parseCoverageFiles(coverageFiles []string) []float64 {
coverageValues := make([]float64, 0)
for _, coverageFile := range coverageFiles {
fmt.Println(coverageFile)
xmlFile, err := os.Open(coverageFile)
check(err)
defer xmlFile.Close()
byteValue, err := ioutil.ReadAll(xmlFile)
check(err)
coveragePercent, err := parseCoveragePercent(byteValue)
check(err)
coverageValues = append(coverageValues, coveragePercent)
}
return coverageValues
}
func CheckCoverage(serviceDir string, coverageConfig string, searchDirectory string) {
rootPath, err := filepath.Abs(searchDirectory)
check(err)
fmt.Printf("Searching for coverage files in %s\n", rootPath)
coverageFiles := findCoverageFiles(rootPath)
if len(coverageFiles) == 0 {
fmt.Println("No coverage files found in " + rootPath)
return
}
fmt.Printf("Reading config data from %s\n", coverageConfig)
configData := readConfigData(coverageConfig)
coverageGoal := findCoverageGoal([]string{serviceDir}, configData)
fmt.Printf("(%s) Failing if the coverage is below %.2f\n", serviceDir, coverageGoal)
coverageValues := parseCoverageFiles(coverageFiles)
if len(coverageValues) != len(coverageFiles) {
fmt.Printf("Found %d coverage values in %d coverage files\n", len(coverageValues), len(coverageFiles))
}
failedCoverage := false
for i := range coverageValues {
status := "Succeeded"
if coverageValues[i] < coverageGoal {
status = "Failed"
}
fmt.Printf("Status: %v\tCoverage file: %v\t Coverage Amount: %.4f\n", status, coverageFiles[i], coverageValues[i])
if coverageValues[i] < coverageGoal {
failedCoverage = true
}
}
if failedCoverage {
log.Fatal("Found insufficient coverage.")
}
}
func main() {
coverageConfig := flag.String("config", "", "Coverage Threshold Configuration")
serviceDir := flag.String("serviceDirectory", "", "Service Directory")
searchDirectory := flag.String("searchDirectory", ".", "Search Directory")
flag.Parse()
if *coverageConfig == "" {
log.Fatal("Required flag: '-config'")
}
CheckCoverage(*serviceDir, *coverageConfig, *searchDirectory)
}
|