Golang BuildTarget.TestDir方法代码示例

// retrieveFile retrieves a single file (or directory) from a Docker container.
func retrieveFile(target *core.BuildTarget, cid []byte, filename string, warn bool) {
	log.Debug("Attempting to retrieve file %s for %s...", filename, target.Label)
	timeout := core.State.Config.Docker.ResultsTimeout
	cmd := []string{"docker", "cp", string(cid) + ":/tmp/test/" + filename, target.TestDir()}
	if out, err := core.ExecWithTimeoutSimple(timeout, cmd...); err != nil {
		if warn {
			log.Warning("Failed to retrieve results for %s: %s [%s]", target.Label, err, out)
		} else {
			log.Debug("Failed to retrieve results for %s: %s [%s]", target.Label, err, out)
		}
	}
}

func runTest(state *core.BuildState, target *core.BuildTarget) ([]byte, error) {
	replacedCmd := build.ReplaceTestSequences(target, target.GetTestCommand())
	env := core.BuildEnvironment(state, target, true)
	if len(state.TestArgs) > 0 {
		args := strings.Join(state.TestArgs, " ")
		replacedCmd += " " + args
		env = append(env, "TESTS="+args)
	}
	log.Debug("Running test %s\nENVIRONMENT:\n%s\n%s", target.Label, strings.Join(env, "\n"), replacedCmd)
	_, out, err := core.ExecWithTimeoutShell(target.TestDir(), env, target.TestTimeout, state.Config.Test.Timeout, state.ShowAllOutput, replacedCmd)
	return out, err
}

func prepareTestDir(graph *core.BuildGraph, target *core.BuildTarget) error {
	if err := os.RemoveAll(target.TestDir()); err != nil {
		return err
	}
	if err := os.MkdirAll(target.TestDir(), core.DirPermissions); err != nil {
		return err
	}
	for out := range core.IterRuntimeFiles(graph, target, true) {
		if err := core.PrepareSourcePair(out); err != nil {
			return err
		}
	}
	return nil
}

func runContainerisedTest(state *core.BuildState, target *core.BuildTarget) ([]byte, error) {
	testDir := path.Join(core.RepoRoot, target.TestDir())
	replacedCmd := build.ReplaceTestSequences(target, target.GetTestCommand())
	replacedCmd += " " + strings.Join(state.TestArgs, " ")
	containerName := state.Config.Docker.DefaultImage
	if target.ContainerSettings != nil && target.ContainerSettings.DockerImage != "" {
		containerName = target.ContainerSettings.DockerImage
	}
	// Gentle hack: remove the absolute path from the command
	replacedCmd = strings.Replace(replacedCmd, testDir, "/tmp/test", -1)
	// Fiddly hack follows to handle docker run --rm failing saying "Cannot destroy container..."
	// "Driver aufs failed to remove root filesystem... device or resource busy"
	cidfile := path.Join(testDir, ".container_id")
	// Using C.UTF-8 for LC_ALL because it works. Not sure it's strictly
	// correct to mix that with LANG=en_GB.UTF-8
	command := []string{"docker", "run", "--cidfile", cidfile, "-e", "LC_ALL=C.UTF-8"}
	if target.ContainerSettings != nil {
		if target.ContainerSettings.DockerRunArgs != "" {
			command = append(command, strings.Split(target.ContainerSettings.DockerRunArgs, " ")...)
		}
		if target.ContainerSettings.DockerUser != "" {
			command = append(command, "-u", target.ContainerSettings.DockerUser)
		}
	} else {
		command = append(command, state.Config.Docker.RunArgs...)
	}
	for _, env := range core.BuildEnvironment(state, target, true) {
		command = append(command, "-e", strings.Replace(env, testDir, "/tmp/test", -1))
	}
	replacedCmd = "mkdir -p /tmp/test && cp -r /tmp/test_in/* /tmp/test && cd /tmp/test && " + replacedCmd
	command = append(command, "-v", testDir+":/tmp/test_in", "-w", "/tmp/test_in", containerName, "bash", "-o", "pipefail", "-c", replacedCmd)
	log.Debug("Running containerised test %s: %s", target.Label, strings.Join(command, " "))
	_, out, err := core.ExecWithTimeout(target.TestDir(), nil, target.TestTimeout, state.Config.Test.Timeout, state.ShowAllOutput, command)
	retrieveResultsAndRemoveContainer(target, cidfile, err == context.DeadlineExceeded)
	return out, err
}

func test(tid int, state *core.BuildState, label core.BuildLabel, target *core.BuildTarget) {
	startTime := time.Now()
	hash, err := build.RuntimeHash(state, target)
	if err != nil {
		state.LogBuildError(tid, label, core.TargetTestFailed, err, "Failed to calculate target hash")
		return
	}
	// Check the cached output files if the target wasn't rebuilt.
	hash = core.CollapseHash(hash)
	hashStr := base64.RawURLEncoding.EncodeToString(hash)
	resultsFileName := fmt.Sprintf(".test_results_%s_%s", label.Name, hashStr)
	coverageFileName := fmt.Sprintf(".test_coverage_%s_%s", label.Name, hashStr)
	outputFile := path.Join(target.TestDir(), "test.results")
	coverageFile := path.Join(target.TestDir(), "test.coverage")
	cachedOutputFile := path.Join(target.OutDir(), resultsFileName)
	cachedCoverageFile := path.Join(target.OutDir(), coverageFileName)
	needCoverage := state.NeedCoverage && !target.NoTestOutput

	cachedTest := func() {
		log.Debug("Not re-running test %s; got cached results.", label)
		coverage := parseCoverageFile(target, cachedCoverageFile)
		results, err := parseTestResults(target, cachedOutputFile, true)
		target.Results.Duration = time.Since(startTime).Seconds()
		target.Results.Cached = true
		if err != nil {
			state.LogBuildError(tid, label, core.TargetTestFailed, err, "Failed to parse cached test file %s", cachedOutputFile)
		} else if results.Failed > 0 {
			panic("Test results with failures shouldn't be cached.")
		} else {
			logTestSuccess(state, tid, label, results, coverage)
		}
	}

	moveAndCacheOutputFiles := func(results core.TestResults, coverage core.TestCoverage) bool {
		// Never cache test results when given arguments; the results may be incomplete.
		if len(state.TestArgs) > 0 {
			log.Debug("Not caching results for %s, we passed it arguments", label)
			return true
		}
		if err := moveAndCacheOutputFile(state, target, hash, outputFile, cachedOutputFile, resultsFileName, dummyOutput); err != nil {
			state.LogTestResult(tid, label, core.TargetTestFailed, results, coverage, err, "Failed to move test output file")
			return false
		}
		if needCoverage || core.PathExists(coverageFile) {
			if err := moveAndCacheOutputFile(state, target, hash, coverageFile, cachedCoverageFile, coverageFileName, dummyCoverage); err != nil {
				state.LogTestResult(tid, label, core.TargetTestFailed, results, coverage, err, "Failed to move test coverage file")
				return false
			}
		}
		for _, output := range target.TestOutputs {
			tmpFile := path.Join(target.TestDir(), output)
			outFile := path.Join(target.OutDir(), output)
			if err := moveAndCacheOutputFile(state, target, hash, tmpFile, outFile, output, ""); err != nil {
				state.LogTestResult(tid, label, core.TargetTestFailed, results, coverage, err, "Failed to move test output file")
				return false
			}
		}
		return true
	}

	needToRun := func() bool {
		if target.State() == core.Unchanged && core.PathExists(cachedOutputFile) {
			// Output file exists already and appears to be valid. We might still need to rerun though
			// if the coverage files aren't available.
			if needCoverage && !core.PathExists(cachedCoverageFile) {
				return true
			}
			return false
		}
		// Check the cache for these artifacts.
		if state.Cache == nil {
			return true
		}
		cache := *state.Cache
		if !cache.RetrieveExtra(target, hash, resultsFileName) {
			return true
		}
		if needCoverage && !cache.RetrieveExtra(target, hash, coverageFileName) {
			return true
		}
		for _, output := range target.TestOutputs {
			if !cache.RetrieveExtra(target, hash, output) {
				return true
			}
		}
		return false
	}

	// Don't cache when doing multiple runs, presumably the user explicitly wants to check it.
	if state.NumTestRuns <= 1 && !needToRun() {
		cachedTest()
		return
	}
	// Remove any cached test result file.
	if err := RemoveCachedTestFiles(target); err != nil {
		state.LogBuildError(tid, label, core.TargetTestFailed, err, "Failed to remove cached test files")
		return
	}
	numSucceeded := 0
	numFlakes := 0
//.........这里部分代码省略.........