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|
package main
import (
"fmt"
"runtime"
"sync"
"github.com/onsi/ginkgo/config"
"github.com/onsi/ginkgo/ginkgo/interrupthandler"
"github.com/onsi/ginkgo/ginkgo/testrunner"
"github.com/onsi/ginkgo/ginkgo/testsuite"
)
type compilationInput struct {
runner *testrunner.TestRunner
result chan compilationOutput
}
type compilationOutput struct {
runner *testrunner.TestRunner
err error
}
type SuiteRunner struct {
notifier *Notifier
interruptHandler *interrupthandler.InterruptHandler
}
func NewSuiteRunner(notifier *Notifier, interruptHandler *interrupthandler.InterruptHandler) *SuiteRunner {
return &SuiteRunner{
notifier: notifier,
interruptHandler: interruptHandler,
}
}
func (r *SuiteRunner) compileInParallel(runners []*testrunner.TestRunner, numCompilers int, willCompile func(suite testsuite.TestSuite)) chan compilationOutput {
//we return this to the consumer, it will return each runner in order as it compiles
compilationOutputs := make(chan compilationOutput, len(runners))
//an array of channels - the nth runner's compilation output is sent to the nth channel in this array
//we read from these channels in order to ensure we run the suites in order
orderedCompilationOutputs := []chan compilationOutput{}
for _ = range runners {
orderedCompilationOutputs = append(orderedCompilationOutputs, make(chan compilationOutput, 1))
}
//we're going to spin up numCompilers compilers - they're going to run concurrently and will consume this channel
//we prefill the channel then close it, this ensures we compile things in the correct order
workPool := make(chan compilationInput, len(runners))
for i, runner := range runners {
workPool <- compilationInput{runner, orderedCompilationOutputs[i]}
}
close(workPool)
//pick a reasonable numCompilers
if numCompilers == 0 {
numCompilers = runtime.NumCPU()
}
//a WaitGroup to help us wait for all compilers to shut down
wg := &sync.WaitGroup{}
wg.Add(numCompilers)
//spin up the concurrent compilers
for i := 0; i < numCompilers; i++ {
go func() {
defer wg.Done()
for input := range workPool {
if r.interruptHandler.WasInterrupted() {
return
}
if willCompile != nil {
willCompile(input.runner.Suite)
}
//We retry because Go sometimes steps on itself when multiple compiles happen in parallel. This is ugly, but should help resolve flakiness...
var err error
retries := 0
for retries <= 5 {
if r.interruptHandler.WasInterrupted() {
return
}
if err = input.runner.Compile(); err == nil {
break
}
retries++
}
input.result <- compilationOutput{input.runner, err}
}
}()
}
//read from the compilation output channels *in order* and send them to the caller
//close the compilationOutputs channel to tell the caller we're done
go func() {
defer close(compilationOutputs)
for _, orderedCompilationOutput := range orderedCompilationOutputs {
select {
case compilationOutput := <-orderedCompilationOutput:
compilationOutputs <- compilationOutput
case <-r.interruptHandler.C:
//interrupt detected, wait for the compilers to shut down then bail
//this ensure we clean up after ourselves as we don't leave any compilation processes running
wg.Wait()
return
}
}
}()
return compilationOutputs
}
func (r *SuiteRunner) RunSuites(runners []*testrunner.TestRunner, numCompilers int, keepGoing bool, willCompile func(suite testsuite.TestSuite)) (testrunner.RunResult, int) {
runResult := testrunner.PassingRunResult()
compilationOutputs := r.compileInParallel(runners, numCompilers, willCompile)
numSuitesThatRan := 0
suitesThatFailed := []testsuite.TestSuite{}
for compilationOutput := range compilationOutputs {
if compilationOutput.err != nil {
fmt.Print(compilationOutput.err.Error())
}
numSuitesThatRan++
suiteRunResult := testrunner.FailingRunResult()
if compilationOutput.err == nil {
suiteRunResult = compilationOutput.runner.Run()
}
r.notifier.SendSuiteCompletionNotification(compilationOutput.runner.Suite, suiteRunResult.Passed)
r.notifier.RunCommand(compilationOutput.runner.Suite, suiteRunResult.Passed)
runResult = runResult.Merge(suiteRunResult)
if !suiteRunResult.Passed {
suitesThatFailed = append(suitesThatFailed, compilationOutput.runner.Suite)
if !keepGoing {
break
}
}
if numSuitesThatRan < len(runners) && !config.DefaultReporterConfig.Succinct {
fmt.Println("")
}
}
if keepGoing && !runResult.Passed {
r.listFailedSuites(suitesThatFailed)
}
return runResult, numSuitesThatRan
}
func (r *SuiteRunner) listFailedSuites(suitesThatFailed []testsuite.TestSuite) {
fmt.Println("")
fmt.Println("There were failures detected in the following suites:")
maxPackageNameLength := 0
for _, suite := range suitesThatFailed {
if len(suite.PackageName) > maxPackageNameLength {
maxPackageNameLength = len(suite.PackageName)
}
}
packageNameFormatter := fmt.Sprintf("%%%ds", maxPackageNameLength)
for _, suite := range suitesThatFailed {
if config.DefaultReporterConfig.NoColor {
fmt.Printf("\t"+packageNameFormatter+" %s\n", suite.PackageName, suite.Path)
} else {
fmt.Printf("\t%s"+packageNameFormatter+"%s %s%s%s\n", redColor, suite.PackageName, defaultStyle, lightGrayColor, suite.Path, defaultStyle)
}
}
}
|
