Enhancements to Revel command

Reformat of code
Allow user to use a mix of command line arguments and flags
Enhance the import tool to detect missing packages in the modules side
Added test cases for all commands

revel/command_test.go

@@ -0,0 +1,74 @@
+package main_test
+
+import (
+	"github.com/revel/cmd/logger"
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
+	"github.com/stretchr/testify/assert"
+	"go/build"
+	"os"
+	"path/filepath"
+)
+
+// Test that the event handler can be attached and it dispatches the event received
+func setup(suffix string, a *assert.Assertions) (string) {
+	temp := os.TempDir()
+	wd, _ := os.Getwd()
+	utils.InitLogger(wd, logger.LvlInfo)
+	gopath := filepath.Join(temp, "revel-test",suffix)
+	if utils.Exists(gopath) {
+		utils.Logger.Info("Removing test path", "path", gopath)
+		if err := os.RemoveAll(gopath); err != nil {
+			a.Fail("Failed to remove test path")
+		}
+	}
+	err := os.MkdirAll(gopath, os.ModePerm)
+	a.Nil(err, "Failed to create gopath "+gopath)
+
+	// So this is the issue, on the mac when folders are created in a temp folder they are returned like
+	// /var/folders/nz/vv4_9tw56nv9k3tkvyszvwg80000gn/T/revel-test/revel-test-build
+	// But if you change into that directory and read the current folder it is
+	// /private/var/folders/nz/vv4_9tw56nv9k3tkvyszvwg80000gn/T/revel-test/revel-test-build
+	// So to make this work on darwin this code was added
+	os.Chdir(gopath)
+	newwd, _ := os.Getwd()
+	gopath = newwd
+	defaultBuild := build.Default
+	defaultBuild.GOPATH = gopath
+	build.Default = defaultBuild
+	utils.Logger.Info("Setup stats", "original wd", wd, "new wd", newwd, "gopath",gopath, "gopath exists", utils.DirExists(gopath), "wd exists", utils.DirExists(newwd))
+
+	return gopath
+}
+
+// Create a new app for the name
+func newApp(name string, command model.COMMAND, precall func(c *model.CommandConfig), a *assert.Assertions) *model.CommandConfig {
+	c := &model.CommandConfig{}
+	switch command {
+	case model.NEW:
+		c.New.ImportPath = name
+	case model.BUILD:
+		c.Build.ImportPath = name
+	case model.TEST:
+		c.Test.ImportPath = name
+	case model.PACKAGE:
+		c.Package.ImportPath = name
+	case model.VERSION:
+		c.Version.ImportPath = name
+	case model.CLEAN:
+		c.Clean.ImportPath = name
+	default:
+		a.Fail("Unknown command ", command)
+	}
+
+	c.Index = command
+	if precall != nil {
+		precall(c)
+	}
+	if !c.UpdateImportPath() {
+		a.Fail("Unable to update import path")
+	}
+	c.InitGoPaths()
+	c.InitPackageResolver()
+	return c
+}