test: add test case for new added custom package

pkg/custom/client_test.go

@@ -0,0 +1,86 @@
+package custom
+
+import (
+	"context"
+	"net"
+	"testing"
+
+	rpc "buf.build/gen/go/k8sgpt-ai/k8sgpt/grpc/go/schema/v1/schemav1grpc"
+	schemav1 "buf.build/gen/go/k8sgpt-ai/k8sgpt/protocolbuffers/go/schema/v1"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+const bufSize = 1024 * 1024
+
+var lis *bufconn.Listener
+
+func init() {
+	lis = bufconn.Listen(bufSize)
+	s := grpc.NewServer()
+	rpc.RegisterAnalyzerServiceServer(s, &fakeAnalyzerServiceServer{})
+	go func() {
+		if err := s.Serve(lis); err != nil {
+			panic(err)
+		}
+	}()
+}
+
+type fakeAnalyzerServiceServer struct {
+	rpc.UnimplementedAnalyzerServiceServer
+}
+
+func (*fakeAnalyzerServiceServer) Run(ctx context.Context, req *schemav1.AnalyzerRunRequest) (*schemav1.AnalyzerRunResponse, error) {
+	// Mock response
+	return &schemav1.AnalyzerRunResponse{
+		Result: &schemav1.Result{
+			Name:         "test-name",
+			Kind:         "test-kind",
+			Details:      "test-details",
+			ParentObject: "test-parent-object",
+			Error: []*schemav1.ErrorDetail{
+				{
+					Text: "test-error-text",
+				},
+			},
+		},
+	}, nil
+}
+
+func bufDialer(context.Context, string) (net.Conn, error) {
+	return lis.Dial()
+}
+
+func Test_NewClient(t *testing.T) {
+	c := Connection{
+		Url:  "bufnet",
+		Port: "",
+	}
+	client, err := NewClient(c)
+	assert.Nil(t, err, "Error should be nil")
+	assert.Equal(t, "bufnet", c.Url, "Url should be bufnet")
+	defer client.c.Close()
+}
+
+func Test_ClientRun(t *testing.T) {
+	conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		t.Fatalf("Failed to dial bufnet: %v", err)
+	}
+	defer conn.Close()
+
+	client := rpc.NewAnalyzerServiceClient(conn)
+	c := &Client{
+		c:              conn,
+		analyzerClient: client,
+	}
+
+	res, err := c.Run()
+	assert.Equal(t, "test-name", res.Name, "Name should be test")
+	assert.Equal(t, "test-kind", res.Kind, "Kind should be test")
+	assert.Equal(t, "test-details", res.Details, "Details should be test")
+	assert.Nil(t, err, "Error should be nil")
+
+}