commander-cli/commander

package app

import (
    "strings"

    "github.com/commander-cli/cmd"
    "github.com/commander-cli/commander/v2/pkg/runtime"
    "github.com/commander-cli/commander/v2/pkg/suite"
    "gopkg.in/yaml.v2"
)

// AddCommand executes the add command
// command is the command which should be added to the test suite
// existed holds the existing yaml content
func AddCommand(command string, existed []byte) ([]byte, error) {
    conf := suite.YAMLSuiteConf{
        Tests:  make(map[string]suite.YAMLTest),
        Config: suite.YAMLTestConfigConf{},
    }
    c := cmd.NewCommand(command)

    if err := c.Execute(); err != nil {
        return []byte{}, err
    }

    //If a suite existed before adding the new command it is need to parse it and re-add it
    if len(existed) > 0 {
        err := yaml.UnmarshalStrict(existed, &conf)
        if err != nil {
            panic(err.Error())
        }

        for k, t := range conf.Tests {
            test := suite.YAMLTest{
                Title:    t.Title,
                Stdout:   t.Stdout.(runtime.ExpectedOut),
                Stderr:   t.Stderr.(runtime.ExpectedOut),
                ExitCode: t.ExitCode,
                Config:   convertConfig(t.Config),
            }

            //If title and command are not equal add the command property to the struct
            if t.Title != t.Command {
                test.Command = t.Command
            }

            conf.Tests[k] = test
        }
    }

    stdout := strings.TrimSpace(c.Stdout())
    stderr := strings.TrimSpace(c.Stderr())
    conf.Tests[command] = suite.YAMLTest{
        Title:    command,
        Stdout:   runtime.ExpectedOut{Contains: []string{stdout}},
        Stderr:   runtime.ExpectedOut{Contains: []string{stderr}},
        ExitCode: c.ExitCode(),
    }

    out, err := yaml.Marshal(conf)
    if err != nil {
        return []byte{}, err
    }

    return out, nil
}

func convertConfig(config suite.YAMLTestConfigConf) suite.YAMLTestConfigConf {
    if config.Dir == "" && len(config.Env) == 0 && config.Timeout == "" {
        return suite.YAMLTestConfigConf{}
    }
    return config
}