executor: added executor which builds and executes mite for test purp…

…oses

executor/executor.go

@@ -0,0 +1,31 @@
+package executor
+
+import (
+	"fmt"
+	"github.com/progrium/go-shell"
+	"os/exec"
+)
+
+type Config struct {
+	execFullPath   string
+	buildDirectory string
+}
+
+func Executor(execFullPath, buildDirectory string) *Config {
+	shell.Shell = []string{"/bin/bash", "-c"}
+	shell.Run()
+	defer shell.ErrExit()
+
+	shell.Run(fmt.Sprintf("pushd %s; go build -o %s .; popd", buildDirectory, execFullPath))
+
+	return &Config{
+		execFullPath:   execFullPath,
+		buildDirectory: buildDirectory,
+	}
+}
+
+func (c *Config) Execute(args ...string) ([]byte, error) {
+	fmt.Println(c.execFullPath)
+	cmd := exec.Command(c.execFullPath, args...)
+	return cmd.CombinedOutput()
+}

executor/executor_test.go

@@ -0,0 +1,27 @@
+package executor
+
+import (
+	"fmt"
+	"github.com/stretchr/testify/assert"
+	"io/ioutil"
+	"path/filepath"
+	"testing"
+)
+
+func TestCliBdd(t *testing.T) {
+	// given
+	tmpDir, err := ioutil.TempDir("", "clibdd")
+	assert.Nil(t, err)
+	efp, err := filepath.Abs(filepath.Join(tmpDir, "mite"))
+	assert.Nil(t, err)
+	bd, err := filepath.Abs("..")
+	assert.Nil(t, err)
+	config := Executor(efp, bd)
+
+	// when
+	stdOutAndErr, err := config.Execute("-c", "testdata/.mite.toml", "config")
+
+	// then
+	assert.Nil(t, err)
+	fmt.Println(string(stdOutAndErr))
+}

go.mod

@@ -5,6 +5,7 @@ require (
 	github.com/cheynewallace/tabby v1.1.0
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
+	github.com/progrium/go-shell v0.0.0-20181023041501-104b11941186
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/viper v1.3.1
 	github.com/stretchr/testify v1.3.0

go.sum

@@ -25,6 +25,8 @@ github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/progrium/go-shell v0.0.0-20181023041501-104b11941186 h1:MhWIYlyv3SL+7kBBp1R/sPqLNKoWa5BSuMzy5FVkLTU=
+github.com/progrium/go-shell v0.0.0-20181023041501-104b11941186/go.mod h1:8ElsifciDrOoyOeBTsa7GpKzmxWo0AtZ/5mjoNxzKnQ=
 github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=