Allow access token to be piped on test login [CLI-186]

internal/cli/test.go

@@ -255,8 +255,6 @@ auth0 test token --client-id <id> --audience <audience> --scopes <scope1,scope2>
 				if err != nil {
 					return fmt.Errorf("An unexpected error occurred while logging in to machine-to-machine client %s: %w", inputs.ClientID, err)
 				}
-
-				fmt.Fprint(cli.renderer.MessageWriter, "\n")
 				cli.renderer.GetToken(client, tokenResponse)
 				return nil
 			}
@@ -278,8 +276,6 @@ auth0 test token --client-id <id> --audience <audience> --scopes <scope1,scope2>
 			if err != nil {
 				return fmt.Errorf("An unexpected error occurred when logging in to client %s: %w", inputs.ClientID, err)
 			}
-
-			fmt.Fprint(cli.renderer.MessageWriter, "\n")
 			cli.renderer.GetToken(client, tokenResponse)
 			return nil
 		},

internal/display/display.go

@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/auth0/auth0-cli/internal/ansi"
+	"github.com/auth0/auth0-cli/internal/auth0"
 	"github.com/charmbracelet/glamour"
 	"github.com/olekukonko/tablewriter"
 )
@@ -274,3 +275,16 @@ func boolean(v bool) string {
 	}
 	return ansi.Red("✗")
 }
+
+func isOutputPiped() bool {
+	fi, err := os.Stdout.Stat()
+	if err != nil {
+		panic(auth0.Error(err, "failed to get the FileInfo struct of stdout"))
+	}
+
+	if (fi.Mode() & os.ModeCharDevice) == 0 {
+		return true
+	}
+
+	return false
+}

internal/display/get_token.go

@@ -5,14 +5,20 @@ import (
 	"fmt"
 	"strconv"
 
-	"github.com/auth0/auth0-cli/internal/ansi"
 	"github.com/auth0/auth0-cli/internal/auth/authutil"
 	"github.com/auth0/auth0-cli/internal/auth0"
 	"gopkg.in/auth0.v5/management"
 )
 
 func (r *Renderer) GetToken(c *management.Client, t *authutil.TokenResponse) {
-	r.Heading(fmt.Sprintf("tokens for %s", auth0.StringValue(c.Name)))
+	// pass the access token to the pipe and exit
+	if isOutputPiped() {
+		fmt.Fprint(r.ResultWriter, t.AccessToken)
+		return
+	}
+
+	fmt.Fprint(r.ResultWriter, "\n")
+	r.Heading(fmt.Sprintf("token for %s", auth0.StringValue(c.Name)))
 
 	switch r.Format {
 	case OutputFormatJSON:
@@ -26,24 +32,24 @@ func (r *Renderer) GetToken(c *management.Client, t *authutil.TokenResponse) {
 		rows := make([][]string, 0)
 
 		if isNotZero(t.AccessToken) {
-			rows = append(rows, []string{ansi.Faint("AccessToken"), t.AccessToken})
+			rows = append(rows, []string{"ACCESS TOKEN", t.AccessToken})
 		}
 		if isNotZero(t.RefreshToken) {
-			rows = append(rows, []string{ansi.Faint("RefreshToken"), t.RefreshToken})
+			rows = append(rows, []string{"REFRESH TOKEN", t.RefreshToken})
 		}
 		// TODO: This is a long string and it messes up formatting when printed
 		// to the table, so need to come back to this one and fix it later.
 		// if isNotZero(t.IDToken) {
 		// 	rows = append(rows, []string{ansi.Faint("IDToken"), t.IDToken})
 		// }
 		if isNotZero(t.TokenType) {
-			rows = append(rows, []string{ansi.Faint("TokenType"), t.TokenType})
+			rows = append(rows, []string{"TOKEN TYPE", t.TokenType})
 		}
 		if isNotZero(t.ExpiresIn) {
-			rows = append(rows, []string{ansi.Faint("ExpiresIn"), strconv.FormatInt(t.ExpiresIn, 10)})
+			rows = append(rows, []string{"EXPIRES IN", strconv.FormatInt(t.ExpiresIn, 10)})
 		}
 
-		tableHeader := []string{"Field", "Value"}
+		tableHeader := []string{"", ""}
 		writeTable(r.ResultWriter, tableHeader, rows)
 	}
 }