spud/cli/start_service_test.go

package cli

import (
	"fmt"
	"github.com/spf13/cobra"
	"testing"
)

func Test_StartServiceCli_StartServiceDefinitionPathMustExist(t *testing.T) {
	cli := GetCli()

	cli.SetArgs([]string{"start", "-d", "./not-a-file.yml"})

	outcome := cli.Execute()

	if outcome == nil {
		t.Errorf("Expected error, got nil.")
	}
}

func Test_StartServiceCli_StartDefaultsServiceDefinitionPath(t *testing.T) {
	cli := GetCli()

	cli.SetArgs([]string{"start"})

	startCommand, _, _ := cli.Find([]string{"start"})

	startCommand.RunE = func(cmd *cobra.Command, args []string) error {
		actual, _ := cmd.PersistentFlags().GetString("definition")
		if actual != "./service.yml" {
			t.Errorf("Unexpected default value for 'definition' / 'd' arg: %s", actual)
		}

		return nil
	}

	cli.Execute()
}

func Test_StartServiceCli_ErrorIfHostAndPortNotProvidedTogether(t *testing.T) {
	inputs := [][]string{
		{"start", "-H", "host"},
		{"start", "-p", "9999"},
	}

	for _, input := range inputs {
		t.Run(fmt.Sprintf("%+v", input), func(t *testing.T) {
			cli := GetCli()
			cli.SetArgs(input)

			startCommand, _, _ := cli.Find([]string{"start"})

			previousPreRun := startCommand.PersistentPreRunE

			startCommand.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
				if err := previousPreRun(cmd, args); err == nil {
					t.Errorf("Expected error, got nil.")
				}

				return nil
			}

			startCommand.RunE = func(cmd *cobra.Command, args []string) error {
				return nil
			}

			cli.Execute()
		})

	}
}