commenter: test disable reactions

Add a test to assert that calling the react functions on the commenter
doesn't result in calls against the GitHub API.

Signed-off-by: Leonard Cohnen <leonard.cohnen@gmail.com>

Author: 3u13r

internal/handlers/commenter_test.go

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Authors of Cilium
+
+package handlers
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/google/go-github/v88/github"
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGithubCommenter_ReactionsDisabled(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("unexpected reaction request to %s", r.URL.Path)
+	}))
+	defer mockServer.Close()
+
+	mockURL := new(mockServer.URL + "/")
+	client, err := github.NewClient(github.WithURLs(mockURL, mockURL))
+	assert.NoError(t, err)
+
+	commenter := NewGithubCommenter(client, "owner", "repo", zerolog.Nop())
+	commenter.setReactionsEnabled(false)
+
+	// Assert that calling the reaction functions doesn't result in a call to
+	// the GitHub API when reactions are disabled.
+	assert.NoError(t, commenter.reactToComment(context.Background(), 1, "eyes"))
+	assert.NoError(t, commenter.reactToPR(context.Background(), 1, "rocket"))
+}