Revision control

++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ package goqtestlib
++
++ import (
++ "errors"
++ "fmt"
++ "io/ioutil"
++ "os"
++ "os/exec"
++ "path/filepath"
++ )
++
++ const (
++ // NoRepetitionsOnFailure is a convenience value for indicating that even a single failing test function is considered an overall failure.
++ NoRepetitionsOnFailure int = 0
++ )
++
++ // RunFunction is used by GenerateTestResult to run unit tests in the current environment. In
++ // the agent this usually means running "make check".
++ type RunFunction func(extraArgs []string) error
++
++ // GenerateTestResult sets up the environment for QTestLib style testing and calls the runner function for
++ // to produce the test results. The repetitionsOnFailure allows for a failing test function to fail once
++ // and have that failure to be ignored under the condition that consequent repeated running of the same
++ // test function does not produce any failures.
++ func GenerateTestResult(name string, resultsDirectory string, repetitionsOnFailure int, runner RunFunction) (*TestResult, error) {
++ resultsDir := filepath.Join(resultsDirectory, filepath.Dir(name))
++ os.MkdirAll(resultsDir, 0755)
++ resultsFile, err := ioutil.TempFile(resultsDirectory, name)
++ if err != nil {
++ return nil, fmt.Errorf("Error creating temporary file to collected test output: %s", err)
++ }
++ testResult := &TestResult{
++ TestCaseName: name,
++ PathToResultsXML: resultsFile.Name(),
++ }
++ resultsFile.Close()
++
++ os.Setenv("QT_CI_RESULTS_PATH", testResult.PathToResultsXML)
++
++ err = runner([]string{"-o", testResult.PathToResultsXML + ",xml", "-o", "-,txt"})
++
++ os.Setenv("QT_CI_RESULTS_PATH", "")
++
++ _, ok := err.(*exec.ExitError)
++ if err != nil && !ok {
++ return nil, err
++ }
++
++ fileInfo, statErr := os.Stat(testResult.PathToResultsXML)
++ if os.IsNotExist(statErr) || fileInfo.Size() == 0 {
++ return nil, err
++ }
++
++ if err != nil {
++ parsedResult, err := testResult.Parse()
++ if err != nil {
++ return nil, err
++ }
++
++ failingFunctions := parsedResult.FailingFunctions()
++ if len(failingFunctions) > 0 {
++ if repetitionsOnFailure == 0 {
++ return nil, errors.New("Tests failed")
++ }
++
++ for _, testFunction := range failingFunctions {
++ for i := 0; i < repetitionsOnFailure; i++ {
++ if err = runner([]string{testFunction}); err != nil {
++ return nil, err
++ }
++ }
++ }
++ }
++ }
++
++ return testResult, nil
++ }