func TestArguments(t *testing.T) {
Convey("Given a clean command line environment", t, func() {
flag.CommandLine = flag.NewFlagSet("vmlcm", flag.ContinueOnError)
Convey("whitespace flags should be parsed correctly", func() {
os.Args = []string{
"vmlcm",
"-f", "./agents.json",
"verify"}
args, err := util.ParseArguments()
So(err, ShouldBeNil)
So(args, ShouldNotBeNil)
So(args.ConfigPath, ShouldNotBeNil)
So(*args.ConfigPath, ShouldEqual, "./agents.json")
So(args.Command, ShouldEqual, util.VerifyCommand)
})
Convey("non-whitespace flags should be parsed correctly", func() {
os.Args = []string{
"vmlcm",
"-f=./agents.json",
"use", "3"}
args, err := util.ParseArguments()
So(err, ShouldBeNil)
So(args, ShouldNotBeNil)
So(args.ConfigPath, ShouldNotBeNil)
So(*args.ConfigPath, ShouldEqual, "./agents.json")
So(args.Command, ShouldEqual, util.UseCommand)
So(args.CommandIntParameter, ShouldEqual, 3)
})
Convey("no arguments should result in an error", func() {
os.Args = []string{"vmlcm"}
args, err := util.ParseArguments()
So(err, ShouldNotBeNil)
So(args, ShouldBeNil)
})
})
}
func main() {
// Create spinner
spinner := spinner.New(spinner.CharSets[14], 100*time.Millisecond)
spinner.Color("cyan")
spinner.Start()
// First read arguments
args, argError := util.ParseArguments()
if argError != nil {
spinner.Stop()
fmt.Println(argError.Error())
return
}
// Then read configuration
config, configError := util.ParseConfiguration(*args.ConfigPath)
if configError != nil {
spinner.Stop()
fmt.Println(configError.Error())
return
}
// Create vmrun wrapper
var vmrun vmware.VmrunWrapper
vmrun = vmware.NewCLIVmrun(config.Vmrun)
// Create output buffer
buffer := new(bytes.Buffer)
// Switch commands
switch args.Command {
case util.VerifyCommand:
err := controller.Verify(buffer, vmrun, config)
if err != nil {
spinner.Stop()
fmt.Println(err.Error())
return
}
case util.StatusCommand:
if controller.Verify(nil, vmrun, config) != nil {
spinner.Stop()
fmt.Println("Failed to verify settings. Please run 'verify' to get more details")
return
}
err := controller.Status(buffer, vmrun, config)
if err != nil {
spinner.Stop()
fmt.Println(err.Error())
return
}
case util.UseCommand:
if controller.Verify(nil, vmrun, config) != nil {
spinner.Stop()
fmt.Println("Failed to verify settings. Please run 'verify' to get more details")
return
}
err := controller.Use(buffer, vmrun, config, args.CommandIntParameter)
if err != nil {
spinner.Stop()
fmt.Print(buffer.String())
fmt.Println(err.Error())
return
}
case util.StartCommand:
if controller.Verify(nil, vmrun, config) != nil {
spinner.Stop()
fmt.Println("Failed to verify settings. Please run 'verify' to get more details")
return
}
err := controller.Start(buffer, vmrun, config)
if err != nil {
spinner.Stop()
fmt.Print(buffer.String())
fmt.Println(err.Error())
return
}
case util.StopCommand:
if controller.Verify(nil, vmrun, config) != nil {
spinner.Stop()
fmt.Println("Failed to verify settings. Please run 'verify' to get more details")
return
}
err := controller.Stop(buffer, vmrun, config)
if err != nil {
spinner.Stop()
fmt.Print(buffer.String())
fmt.Println(err.Error())
return
}
case util.SnapshotCommand:
if controller.Verify(nil, vmrun, config) != nil {
spinner.Stop()
fmt.Println("Failed to verify settings. Please run 'verify' to get more details")
return
}
err := controller.Snapshot(buffer, vmrun, config)
if err != nil {
spinner.Stop()
fmt.Print(buffer.String())
fmt.Println(err.Error())
return
}
}
// Stop spinner
spinner.Stop()
// Print output buffer
fmt.Print(buffer.String())
}