Introducing acceptance test (#222)

acceptanceTests/testsUtils.go

@@ -0,0 +1,113 @@
+package acceptanceTests
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"os/exec"
+	"path"
+	"syscall"
+)
+
+func GetCliPath() (string, error) {
+	dir, filePathErr := os.Getwd()
+	if filePathErr != nil {
+		return "", filePathErr
+	}
+
+	cliPath := path.Join(dir, "../cli/bin/mizu_ci")
+	return cliPath, nil
+}
+
+func GetDefaultCommandArgs() []string {
+	setFlag := "--set"
+	telemetry := "telemetry=false"
+
+	return []string{setFlag, telemetry}
+}
+
+func GetDefaultTapCommandArgs() []string {
+	tapCommand := "tap"
+	setFlag := "--set"
+	namespaces := "tap.namespaces=mizu-tests"
+	agentImage := "agent-image=gcr.io/up9-docker-hub/mizu/ci:0.0.0"
+	imagePullPolicy := "image-pull-policy=Never"
+
+	defaultCmdArgs := GetDefaultCommandArgs()
+
+	return append([]string{tapCommand, setFlag, namespaces, setFlag, agentImage, setFlag, imagePullPolicy}, defaultCmdArgs...)
+}
+
+func GetDefaultFetchCommandArgs() []string {
+	tapCommand := "fetch"
+
+	defaultCmdArgs := GetDefaultCommandArgs()
+
+	return append([]string{tapCommand}, defaultCmdArgs...)
+}
+
+func JsonBytesToInterface(jsonBytes []byte) (interface{}, error) {
+	var result interface{}
+	if parseErr := json.Unmarshal(jsonBytes, &result); parseErr != nil {
+		return nil, parseErr
+	}
+
+	return result, nil
+}
+
+func ExecuteHttpRequest(url string) (interface{}, error) {
+	response, requestErr := http.Get(url)
+	if requestErr != nil {
+		return nil, requestErr
+	} else if response.StatusCode != 200 {
+		return nil, fmt.Errorf("invalid status code %v", response.StatusCode)
+	}
+
+	data, readErr := ioutil.ReadAll(response.Body)
+	if readErr != nil {
+		return nil, readErr
+	}
+
+	return JsonBytesToInterface(data)
+}
+
+func CleanupCommand(cmd *exec.Cmd) error {
+	if err := cmd.Process.Signal(syscall.SIGQUIT); err != nil {
+		return err
+	}
+
+	if err := cmd.Wait(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func GetEntriesFromHarBytes(harBytes []byte) ([]interface{}, error){
+	harInterface, convertErr := JsonBytesToInterface(harBytes)
+	if convertErr != nil {
+		return nil, convertErr
+	}
+
+	har, ok := harInterface.(map[string]interface{})
+	if !ok {
+		return nil, errors.New("invalid har type")
+	}
+
+	harLogInterface := har["log"]
+	harLog, ok :=  harLogInterface.(map[string]interface{})
+	if !ok {
+		return nil, errors.New("invalid har log type")
+	}
+
+	harEntriesInterface := harLog["entries"]
+	harEntries, ok := harEntriesInterface.([]interface{})
+	if !ok {
+		return nil, errors.New("invalid har entries type")
+	}
+
+	return harEntries, nil
+}