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parser.go
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parser.go
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/*
* go4api - an api testing tool written in Go
* Created by: Ping Zhu 2019.07
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
package testcase
import (
"fmt"
// "time"
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/Aysnine/go4api/utils"
)
func InitFullTcSlice(filePathSlice []string) []*TestCaseDataInfo {
var fullTcSlice []*TestCaseDataInfo
var jsonFileList []string
// tend to support cmd.Opt.Testcase accepting comma delimited paths
// path istself can be regular expression
// for example: path1,path2,path3,path4*,...
for i, _ := range filePathSlice {
// to support pattern later
// matches, _ := filepath.Glob(filePathSlice[i])
jsonFileListTemp, _ := utils.WalkPath(filePathSlice[i], ".json")
jsonFileList = append(jsonFileList, jsonFileListTemp[0:]...)
}
for _, jsonFile := range jsonFileList {
csvFileList := GetCsvDataFilesForJsonFile(jsonFile, "_dt")
//
var tcInfos []*TestCaseDataInfo
if len(csvFileList) > 0 {
tcInfos = ConstructTcInfosWithDt(jsonFile, csvFileList)
} else {
tcInfos = ConstructTcInfosWithoutDt(jsonFile)
}
for i, _ := range tcInfos {
fullTcSlice = append(fullTcSlice, tcInfos[i])
}
}
return fullTcSlice
}
func GetCsvDataFilesForJsonFile(jsonFile string, suffix string) []string {
// here search out the csv files under the same dir, not to use utils.WalkPath as it is recursively
var csvFileListTemp []string
infos, err := ioutil.ReadDir(filepath.Dir(jsonFile))
if err != nil {
panic(err)
}
// get the csv file, ignore the fields "inputs", "outputs"
for _, info := range infos {
if filepath.Ext(info.Name()) == ".csv" {
csvFileListTemp = append(csvFileListTemp, filepath.Join(filepath.Dir(jsonFile), info.Name()))
}
}
//
var csvFileList []string
for _, csvFile := range csvFileListTemp {
csvFileName := strings.TrimSuffix(filepath.Base(csvFile), ".csv")
jsonFileName := strings.TrimSuffix(filepath.Base(jsonFile), ".json")
// Note: the json file realted data table files is pattern: jsonFileName + "_dt[*]"
if strings.HasPrefix(csvFileName, jsonFileName+suffix) {
csvFileList = append(csvFileList, csvFile)
}
}
return csvFileList
}
func ConstructTcInfosWithoutDt(jsonFile string) []*TestCaseDataInfo {
var tcInfos []*TestCaseDataInfo
var tcases TestCases
jsonStr := utils.GetJsonFromFile(jsonFile)
csvFile := ""
csvRow := ""
err := json.Unmarshal([]byte(jsonStr), &tcases)
if err != nil {
fmt.Println("!! Error, parse Json into cases failed: ", jsonFile, ": ", err)
os.Exit(1)
}
for i, _ := range tcases {
tcaseData := &TestCaseDataInfo{
TestCase: &tcases[i],
JsonFilePath: jsonFile,
CsvFile: csvFile,
CsvRow: csvRow,
}
tcInfos = append(tcInfos, tcaseData)
}
return tcInfos
}
// not using "text/template"
func ConstructTcInfosWithDt(jsonFile string, csvFileList []string) []*TestCaseDataInfo {
var tcInfos []*TestCaseDataInfo
for _, csvFile := range csvFileList {
jsonStr := utils.GetJsonFromFile(jsonFile)
csvRows := utils.GetCsvFromFile(csvFile)
for i, csvRow := range csvRows {
jsonR := jsonStr
// csvRows[0] is the header row
if i > 0 {
for col, _ := range csvRow {
key := csvRows[0][col]
value := csvRows[i][col]
// Note: trial, introduce "Fn::ToRawJson" for key, value like:
// "key": {"Fn::ToRawJson": "${varableInCsv}"},
// it is mainly for json map {} or json array []
// !!! To be improved further using json key lookup method
jsonR = strings.Replace(jsonR, `{"Fn::ToRawJson": "${`+key+`}"}`, fmt.Sprint(value), -1)
jsonR = strings.Replace(jsonR, "${"+key+"}", fmt.Sprint(value), -1)
}
var tcases TestCases
err := json.Unmarshal([]byte(jsonR), &tcases)
if err != nil {
fmt.Println("!! Error, parse Json into cases failed: ", jsonFile, ": ", csvFile, ": ", strconv.Itoa(i+1), ": ", err)
os.Exit(1)
}
for tcI, _ := range tcases {
tcaseData := &TestCaseDataInfo{
TestCase: &tcases[tcI],
JsonFilePath: jsonFile,
CsvFile: csvFile,
CsvRow: strconv.Itoa(i + 1),
}
tcInfos = append(tcInfos, tcaseData)
}
}
}
if IfCaseNameDuplicated(tcInfos) {
fmt.Println("!! Error, has duplicated case name, please fix before run")
os.Exit(1)
}
}
if IfCaseNameDuplicated(tcInfos) {
fmt.Println("!! Error, has duplicated case name, please fix before run")
os.Exit(1)
}
return tcInfos
}
func IfCaseNameDuplicated(tcInfos []*TestCaseDataInfo) bool {
keys := make(map[string]bool)
var caseNameSet []string
for _, tcDataInfo := range tcInfos {
entry := tcDataInfo.TcName()
if _, ok := keys[entry]; !ok {
keys[entry] = true
caseNameSet = append(caseNameSet, entry)
}
}
if len(tcInfos) > len(caseNameSet) {
return true
} else {
return false
}
}
func GetTcNameSet(tcArray []*TestCaseDataInfo) []string {
var tcNames []string
for _, tcaseInfo := range tcArray {
var ifExists bool
ifExists = false
for _, tcN := range tcNames {
if tcaseInfo.TcName() == tcN {
ifExists = true
break
}
}
if ifExists == false {
tcNames = append(tcNames, tcaseInfo.TcName())
}
}
return tcNames
}