Certificates endpoint test (#47)

* feat: add certificates endpoint with test

* feat: update config.example with certificates test

config.example.yaml

@@ -56,3 +56,6 @@ tests:
   self-terms-review:
     rate: "10/s"
     duration: 1
+  certificates:
+    rate: "2/s"
+    duration: 1

pkg/tests/tests.go

@@ -2,8 +2,11 @@ package tests
 
 import (
 	"bytes"
+	"encoding/json"
 	"log"
+	"math/rand"
 	"net/http"
+	"time"
 
 	"github.com/cloud-bulldozer/ocm-api-load/pkg/helpers"
 	"github.com/cloud-bulldozer/ocm-api-load/pkg/tests/handlers"
@@ -90,6 +93,13 @@ var tests = []types.TestOptions{
 		Method:   http.MethodPost,
 		Handler:  handlers.TestStaticEndpoint,
 	},
+	{
+		TestName: "certificates",
+		Path:     "/api/accounts_mgmt/v1/certificates",
+		Method:   http.MethodPost,
+		Handler:  handlers.TestStaticEndpoint,
+		Body:     certificatesBody(),
+	},
 }
 
 func accessReviewBody() []byte {
@@ -127,3 +137,26 @@ func resourceReviewBody() []byte {
 	}
 	return buff.Bytes()
 }
+
+func certificatesBody() []byte {
+	buff := &bytes.Buffer{}
+	payload := struct {
+		Type string `json:"type"`
+		Arch string `json:"arch"`
+	}{
+		"sca",
+		randomCertArch(),
+	}
+	pl, err := json.Marshal(payload)
+	if err != nil {
+		log.Printf("marshaling `certificates body` request %s", err)
+		return buff.Bytes()
+	}
+	return bytes.NewBuffer(pl).Bytes()
+}
+
+func randomCertArch() string {
+	rand.Seed(time.Now().UnixNano()) //seed to randomize on each run
+	arch := []string{"x86", "x86_64", "ppc", "ppc64", "ppc64le", "s390", "s390x", "ia64", "aarch64"}
+	return arch[rand.Intn(len(arch))]
+}

pkg/tests/tests_test.go

@@ -0,0 +1,22 @@
+package tests
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestCertificateBody(t *testing.T) {
+	buff := certificatesBody()
+	type payload struct {
+		Type string `json:"type"`
+		Arch string `json:"arch"`
+	}
+	var pl payload
+	err := json.Unmarshal(buff, &pl)
+	if err != nil {
+		t.Fatalf("error unmarshaling payload %v", pl)
+	}
+	if pl.Type == "" && pl.Arch == "" {
+		t.Fatalf("certificates body did not return payload to be unmarshaled %v", pl)
+	}
+}