Implement troubleshoot command.

Closes exercism#415

cli/status.go

@@ -70,7 +70,11 @@ func (status *Status) Check() (string, error) {
 	status.Version = newVersionStatus(status.cli)
 	status.System = newSystemStatus()
 	status.Configuration = newConfigurationStatus(status)
-	status.APIReachability = newAPIReachabilityStatus()
+	ar, err := newAPIReachabilityStatus()
+	if err != nil {
+		return "", err
+	}
+	status.APIReachability = ar
 
 	return status.compile()
 }
@@ -85,12 +89,15 @@ func (status *Status) compile() (string, error) {
 	return bb.String(), nil
 }
 
-func newAPIReachabilityStatus() apiReachabilityStatus {
+func newAPIReachabilityStatus() (apiReachabilityStatus, error) {
+	apiCfg, err := config.NewAPIConfig()
+	if err != nil {
+		return apiReachabilityStatus{}, nil
+	}
 	ar := apiReachabilityStatus{
 		Services: []*apiPing{
 			{Service: "GitHub", URL: "https://api.github.com"},
-			{Service: "Exercism", URL: "http://exercism.io/api/v1"},
-			{Service: "X-API", URL: "http://x.exercism.io"},
+			{Service: "Exercism", URL: apiCfg.URL("ping")},
 		},
 	}
 	var wg sync.WaitGroup
@@ -99,7 +106,7 @@ func newAPIReachabilityStatus() apiReachabilityStatus {
 		go service.Call(&wg)
 	}
 	wg.Wait()
-	return ar
+	return ar, nil
 }
 
 func newVersionStatus(cli *CLI) versionStatus {
@@ -166,9 +173,8 @@ func redactToken(token string) string {
 }
 
 const tmplSelfTest = `
-
-Debug Information
-=================
+Troubleshooting Information
+===========================
 
 Version
 ----------------
@@ -212,5 +218,4 @@ https://github.com/exercism/exercism.io/issues and include
 this information.
 {{ if not .Censor }}
 Don't share your API key. Keep that private.
-{{ end }}
-`
+{{ end }}`

cli/status_test.go

@@ -0,0 +1,24 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/exercism/cli/config"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCensor(t *testing.T) {
+	fakeToken := "1a11111aaaa111aa1a11111a11111aa1"
+	expected := "1a11*************************aa1"
+
+	c := New("")
+
+	cfg := config.NewEmptyUserConfig()
+	cfg.Token = fakeToken
+
+	status := NewStatus(c, *cfg)
+	status.Censor = true
+	status.Check()
+
+	assert.Equal(t, expected, status.Configuration.Token)
+}

cmd/troubleshoot.go

@@ -2,26 +2,43 @@ package cmd
 
 import (
 	"fmt"
+	"net/http"
+	"time"
 
+	"github.com/exercism/cli/cli"
+	"github.com/exercism/cli/config"
 	"github.com/spf13/cobra"
 )
 
+// fullAPIKey flag for troubleshoot command.
+var fullAPIKey bool
+
 // troubleshootCmd does a diagnostic self-check.
 var troubleshootCmd = &cobra.Command{
 	Use:     "troubleshoot",
 	Aliases: []string{"t"},
 	Short:   "Troubleshoot does a diagnostic self-check.",
-	Long: `Troubleshoot provides output to help with troubleshooting.
+	Long: `Provides output to help with troubleshooting.
 
-If you're running into trouble, then run the troubleshoot command
-and copy and paste the output into a GitHub issue so we can help
-figure out what's going on.
-	`,
+If you're running into trouble, copy and paste the output from the troubleshoot
+command into a GitHub issue so we can help figure out what's going on.
+`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("troubleshoot called")
+		cli.HTTPClient = &http.Client{Timeout: 20 * time.Second}
+		c := cli.New(Version)
+
+		cfg, err := config.NewUserConfig()
+		BailOnError(err)
+
+		status := cli.NewStatus(c, *cfg)
+		status.Censor = !fullAPIKey
+		s, err := status.Check()
+		BailOnError(err)
+		fmt.Printf("%s", s)
 	},
 }
 
 func init() {
 	RootCmd.AddCommand(troubleshootCmd)
+	troubleshootCmd.Flags().BoolVarP(&fullAPIKey, "full-api-key", "f", false, "display the user's full API key, censored by default")
 }

config/api_config.go

@@ -13,6 +13,7 @@ var (
 		"download":      "/solutions/%s",
 		"submit":        "/solutions/%s",
 		"prepare-track": "/tracks/%s/settings",
+		"ping":          "/ping",
 	}
 )
 
@@ -41,7 +42,6 @@ func (cfg *APIConfig) SetDefaults() {
 	if cfg.BaseURL == "" {
 		cfg.BaseURL = defaultBaseURL
 	}
-
 	if cfg.Endpoints == nil {
 		cfg.Endpoints = defaultEndpoints
 		return