// Run the harness, which listens for requests and proxies them to the app
// server, which it runs and rebuilds as necessary.
func (h *Harness) Run() {
revel.ConfigureLogging()
watcher = revel.NewWatcher()
watcher.Listen(h, revel.CodePaths...)
go func() {
addr := fmt.Sprintf("%s:%d", revel.HttpAddr, revel.HttpPort)
glog.Infof("Listening on %s", addr)
var err error
if revel.HttpSsl {
err = http.ListenAndServeTLS(addr, revel.HttpSslCert,
revel.HttpSslKey, h)
} else {
err = http.ListenAndServe(addr, h)
}
if err != nil {
glog.Fatalln("Failed to start reverse proxy:", err)
}
}()
// Kill the app on signal.
ch := make(chan os.Signal)
signal.Notify(ch, os.Interrupt, os.Kill)
<-ch
if h.app != nil {
h.app.Kill()
}
os.Exit(1)
}
func runApp(args []string) {
if len(args) == 0 {
errorf("No import path given.\nRun 'revel help run' for usage.\n")
}
// Determine the run mode.
mode := "dev"
if len(args) >= 2 {
mode = args[1]
}
// Find and parse app.conf
revel.Init(mode, args[0], "")
revel.LoadModules()
revel.LoadMimeConfig()
// Set working directory to BasePath, to make relative paths convenient and
// dependable.
if err := os.Chdir(revel.BasePath); err != nil {
log.Fatalln("Failed to change directory into app path: ", err)
}
// Determine the override port, if any.
port := revel.HttpPort
if len(args) == 3 {
var err error
if port, err = strconv.Atoi(args[2]); err != nil {
errorf("Failed to parse port as integer: %s", args[2])
}
}
glog.Infof("Running %s (%s) in %s mode", revel.AppName, revel.ImportPath, mode)
glog.V(1).Info("Base path: ", revel.BasePath)
// If the app is run in "watched" mode, use the harness to run it.
if revel.Config.BoolDefault("watch", true) && revel.Config.BoolDefault("watch.code", true) {
revel.HttpPort = port
harness.NewHarness().Run() // Never returns.
}
// Else, just build and run the app.
app, err := harness.Build()
if err != nil {
errorf("Failed to build app: %s", err)
}
app.Port = port
app.Cmd().Run()
}
func testApp(args []string) {
var err error
if len(args) == 0 {
errorf("No import path given.\nRun 'revel help test' for usage.\n")
}
mode := "dev"
if len(args) >= 2 {
mode = args[1]
}
// Find and parse app.conf
revel.Init(mode, args[0], "")
revel.LoadModules()
// Set working directory to BasePath, to make relative paths convenient and
// dependable.
if err := os.Chdir(revel.BasePath); err != nil {
log.Fatalln("Failed to change directory into app path: ", err)
}
// Ensure that the testrunner is loaded in this mode.
testRunnerFound := false
for _, module := range revel.Modules {
if module.ImportPath == "github.com/hongrich/revel/modules/testrunner" {
testRunnerFound = true
break
}
}
if !testRunnerFound {
errorf(`Error: The testrunner module is not running.
You can add it to a run mode configuration with the following line:
module.testrunner = github.com/hongrich/revel/modules/testrunner
`)
}
// Create a directory to hold the test result files.
resultPath := filepath.Join(revel.BasePath, "test-results")
if err = os.RemoveAll(resultPath); err != nil {
errorf("Failed to remove test result directory %s: %s", resultPath, err)
}
if err = os.Mkdir(resultPath, 0777); err != nil {
errorf("Failed to create test result directory %s: %s", resultPath, err)
}
app, reverr := harness.Build()
if reverr != nil {
errorf("Error building: %s", reverr)
}
// Direct all the output into a file in the test-results directory.
cmd := app.Cmd()
// Start the app...
if err := cmd.Start(); err != nil {
errorf("%s", err)
}
defer cmd.Kill()
glog.Infof("Testing %s (%s) in %s mode", revel.AppName, revel.ImportPath, mode)
// Get a list of tests.
// Since this is the first request to the server, retry/sleep a couple times
// in case it hasn't finished starting up yet.
var (
testSuites []controllers.TestSuiteDesc
resp *http.Response
baseUrl = fmt.Sprintf("http://127.0.0.1:%d", revel.HttpPort)
)
for i := 0; ; i++ {
if resp, err = http.Get(baseUrl + "/@tests.list"); err == nil {
break
}
if i < 3 {
time.Sleep(3 * time.Second)
continue
}
errorf("Failed to request test list: %s", err)
}
defer resp.Body.Close()
json.NewDecoder(resp.Body).Decode(&testSuites)
// If a specific TestSuite[.Method] is specified, only run that suite/test
if len(args) == 3 {
testSuites = filterTestSuites(testSuites, args[2])
}
fmt.Printf("\n%d test suite%s to run.\n", len(testSuites), pluralize(len(testSuites), "", "s"))
fmt.Println()
// Load the result template, which we execute for each suite.
module, _ := revel.ModuleByName("testrunner")
TemplateLoader := revel.NewTemplateLoader([]string{filepath.Join(module.Path, "app", "views")})
if err := TemplateLoader.Refresh(); err != nil {
errorf("Failed to compile templates: %s", err)
}
resultTemplate, err := TemplateLoader.Template("TestRunner/SuiteResult.html")
if err != nil {
errorf("Failed to load suite result template: %s", err)
}
// Run each suite.
var (
overallSuccess = true
failedResults []controllers.TestSuiteResult
)
for _, suite := range testSuites {
// Print the name of the suite we're running.
name := suite.Name
if len(name) > 22 {
name = name[:19] + "..."
}
fmt.Printf("%-22s", name)
// Run every test.
startTime := time.Now()
suiteResult := controllers.TestSuiteResult{Name: suite.Name, Passed: true}
for _, test := range suite.Tests {
testUrl := baseUrl + "/@tests/" + suite.Name + "/" + test.Name
resp, err := http.Get(testUrl)
if err != nil {
errorf("Failed to fetch test result at url %s: %s", testUrl, err)
}
defer resp.Body.Close()
var testResult controllers.TestResult
json.NewDecoder(resp.Body).Decode(&testResult)
if !testResult.Passed {
suiteResult.Passed = false
}
suiteResult.Results = append(suiteResult.Results, testResult)
}
overallSuccess = overallSuccess && suiteResult.Passed
// Print result. (Just PASSED or FAILED, and the time taken)
suiteResultStr, suiteAlert := "PASSED", ""
if !suiteResult.Passed {
suiteResultStr, suiteAlert = "FAILED", "!"
failedResults = append(failedResults, suiteResult)
}
fmt.Printf("%8s%3s%6ds\n", suiteResultStr, suiteAlert, int(time.Since(startTime).Seconds()))
// Create the result HTML file.
suiteResultFilename := filepath.Join(resultPath,
fmt.Sprintf("%s.%s.html", suite.Name, strings.ToLower(suiteResultStr)))
suiteResultFile, err := os.Create(suiteResultFilename)
if err != nil {
errorf("Failed to create result file %s: %s", suiteResultFilename, err)
}
if err = resultTemplate.Execute(suiteResultFile, suiteResult); err != nil {
errorf("Failed to render result template: %s", err)
}
}
fmt.Println()
if overallSuccess {
writeResultFile(resultPath, "result.passed", "passed")
fmt.Println("All Tests Passed.")
} else {
for _, failedResult := range failedResults {
fmt.Printf("Failures:\n")
for _, result := range failedResult.Results {
if !result.Passed {
fmt.Printf("%s.%s\n", failedResult.Name, result.Name)
fmt.Printf("%s\n\n", result.ErrorSummary)
}
}
}
writeResultFile(resultPath, "result.failed", "failed")
errorf("Some tests failed. See file://%s for results.", resultPath)
}
}
// Build the app:
// 1. Generate the the main.go file.
// 2. Run the appropriate "go build" command.
// Requires that revel.Init has been called previously.
// Returns the path to the built binary, and an error if there was a problem building it.
func Build() (app *App, compileError *revel.Error) {
start := time.Now()
// First, clear the generated files (to avoid them messing with ProcessSource).
cleanSource("tmp", "routes")
sourceInfo, compileError := ProcessSource(revel.CodePaths)
if compileError != nil {
return nil, compileError
}
// Add the db.import to the import paths.
if dbImportPath, found := revel.Config.String("db.import"); found {
sourceInfo.InitImportPaths = append(sourceInfo.InitImportPaths, dbImportPath)
}
// Generate two source files.
templateArgs := map[string]interface{}{
"Controllers": sourceInfo.ControllerSpecs(),
"ValidationKeys": sourceInfo.ValidationKeys,
"ImportPaths": calcImportAliases(sourceInfo),
"TestSuites": sourceInfo.TestSuites(),
}
genSource("tmp", "main.go", MAIN, templateArgs)
genSource("routes", "routes.go", ROUTES, templateArgs)
// Read build config.
buildTags := revel.Config.StringDefault("build.tags", "")
// Build the user program (all code under app).
// It relies on the user having "go" installed.
goPath, err := exec.LookPath("go")
if err != nil {
glog.Fatalf("Go executable not found in PATH.")
}
pkg, err := build.Default.Import(revel.ImportPath, "", build.FindOnly)
if err != nil {
glog.Fatalln("Failure importing", revel.ImportPath)
}
binName := filepath.Join(pkg.BinDir, filepath.Base(revel.BasePath))
if runtime.GOOS == "windows" {
binName += ".exe"
}
gotten := make(map[string]struct{})
for {
buildCmd := exec.Command(goPath, "build",
"-i",
"-tags", buildTags,
"-o", binName, path.Join(revel.ImportPath, "app", "tmp"))
glog.V(1).Infoln("Exec:", buildCmd.Args)
output, err := buildCmd.CombinedOutput()
// If the build succeeded, we're done.
if err == nil {
glog.Infof("Build took %s", time.Since(start))
return NewApp(binName), nil
}
glog.Error(string(output))
// See if it was an import error that we can go get.
matches := importErrorPattern.FindStringSubmatch(string(output))
if matches == nil {
return nil, newCompileError(output)
}
// Ensure we haven't already tried to go get it.
pkgName := matches[1]
if _, alreadyTried := gotten[pkgName]; alreadyTried {
return nil, newCompileError(output)
}
gotten[pkgName] = struct{}{}
// Execute "go get <pkg>"
getCmd := exec.Command(goPath, "get", pkgName)
glog.V(1).Infoln("Exec:", getCmd.Args)
getOutput, err := getCmd.CombinedOutput()
if err != nil {
glog.Error(string(getOutput))
return nil, newCompileError(output)
}
// Success getting the import, attempt to build again.
}
glog.Fatal("Not reachable")
return nil, nil
}