remove parent child selftest commands

cmd/selftest/child.go

@@ -1,41 +0,0 @@
-package selftest
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"os/exec"
-
-	"github.com/databricks/cli/libs/daemon"
-	"github.com/spf13/cobra"
-)
-
-func newChildCommand() *cobra.Command {
-	return &cobra.Command{
-		Use: "child",
-		RunE: func(cmd *cobra.Command, args []string) error {
-			// wait_pid lives in acceptance/bin. We expect this command to only be called
-			// from acceptance tests.
-			//
-			// Note: The golang standard library only provides a way to wait on
-			// processes that are children of the current process. While it's possible to
-			// rely on os native syscalls to wait on arbitrary processes, it's hard
-			// to get right and test.
-			waitCmd := exec.Command("bash", "-euo", "pipefail", "wait_pid", os.Getenv(daemon.DatabricksCliParentPid))
-			b, err := waitCmd.Output()
-			if err != nil {
-				return fmt.Errorf("failed to wait for parent process: %w", err)
-			}
-			fmt.Print("[child]" + string(b))
-			fmt.Println("[child] Parent process has exited")
-
-			in, err := io.ReadAll(os.Stdin)
-			if err != nil {
-				return fmt.Errorf("failed to read from stdin: %w", err)
-			}
-
-			fmt.Println("[child] input from parent: " + string(in))
-			return nil
-		},
-	}
-}

cmd/selftest/parent.go

@@ -1,44 +0,0 @@
-package selftest
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/databricks/cli/libs/daemon"
-	"github.com/spf13/cobra"
-)
-
-const OutputFile = "DATABRICKS_CLI_SELFTEST_CHILD_OUTPUT_FILE"
-
-func newParentCommand() *cobra.Command {
-	return &cobra.Command{
-		Use: "parent",
-		RunE: func(cmd *cobra.Command, args []string) error {
-			d := daemon.Daemon{
-				Env:         os.Environ(),
-				Args:        []string{"selftest", "child"},
-				LogFile:     os.Getenv(OutputFile),
-				PidFilePath: "child.pid",
-			}
-
-			err := d.Start()
-			if err != nil {
-				return fmt.Errorf("failed to start child process: %w", err)
-			}
-			fmt.Println("[parent] started child")
-
-			err = d.WriteInput([]byte("Hello from the other side\n"))
-			if err != nil {
-				return fmt.Errorf("failed to write to child process: %w", err)
-			}
-			fmt.Println("[parent] input sent to child: Hello from the other side")
-
-			err = d.Release()
-			if err != nil {
-				return fmt.Errorf("failed to release child process: %w", err)
-			}
-			fmt.Println("[parent] exiting")
-			return nil
-		},
-	}
-}

cmd/selftest/selftest.go

@@ -11,8 +11,6 @@ func New() *cobra.Command {
 		Hidden: true,
 	}
 
-	cmd.AddCommand(newChildCommand())
-	cmd.AddCommand(newParentCommand())
 	cmd.AddCommand(newSendTelemetry())
 	return cmd
 }