Files
sendico/api/billing/documents/internal/service/documents/service_test.go
2026-03-13 01:28:51 +01:00

284 lines
7.3 KiB
Go

package documents
import (
"bytes"
"context"
"strings"
"testing"
"time"
"github.com/shopspring/decimal"
"github.com/tech/sendico/billing/documents/internal/content"
"github.com/tech/sendico/billing/documents/renderer"
"github.com/tech/sendico/billing/documents/storage"
"github.com/tech/sendico/billing/documents/storage/model"
documentsv1 "github.com/tech/sendico/pkg/proto/billing/documents/v1"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type stubRepo struct {
store storage.DocumentsStore
}
func (s *stubRepo) Ping(_ context.Context) error { return nil }
func (s *stubRepo) Documents() storage.DocumentsStore { return s.store }
var _ storage.Repository = (*stubRepo)(nil)
type stubDocumentsStore struct {
record *model.DocumentRecord
updateCalls int
}
func (s *stubDocumentsStore) Create(_ context.Context, record *model.DocumentRecord) error {
s.record = record
return nil
}
func (s *stubDocumentsStore) Update(_ context.Context, record *model.DocumentRecord) error {
s.record = record
s.updateCalls++
return nil
}
func (s *stubDocumentsStore) GetByPaymentRef(_ context.Context, _ string) (*model.DocumentRecord, error) {
return s.record, nil
}
func (s *stubDocumentsStore) ListByPaymentRefs(_ context.Context, _ []string) ([]*model.DocumentRecord, error) {
return []*model.DocumentRecord{s.record}, nil
}
var _ storage.DocumentsStore = (*stubDocumentsStore)(nil)
type stubTemplate struct {
blocks []renderer.Block
calls int
}
func (s *stubTemplate) Render(_ model.ActSnapshot) ([]renderer.Block, error) {
s.calls++
return s.blocks, nil
}
func TestGenerateActPDF_IdempotentAndHashed(t *testing.T) {
snapshot := model.ActSnapshot{
PaymentID: "PAY-123",
Date: time.Date(2026, 1, 30, 0, 0, 0, 0, time.UTC),
ExecutorFullName: "Jane Doe",
Amount: decimal.RequireFromString("100.00"),
Currency: "USD",
}
tmpl := &stubTemplate{
blocks: []renderer.Block{
{Tag: renderer.TagTitle, Lines: []string{"ACT"}},
{Tag: renderer.TagText, Lines: []string{"Executor: Jane Doe", "Amount: 100 USD"}},
},
}
svc := NewService(zap.NewNop(), nil, nil,
WithTemplateRenderer(tmpl),
)
pdf1, hash1, err := svc.generateActPDF(snapshot)
if err != nil {
t.Fatalf("generateActPDF first call: %v", err)
}
if len(pdf1) == 0 {
t.Fatalf("expected content on first call")
}
if hash1 == "" {
t.Fatalf("expected non-empty hash on first call")
}
footerHash := extractFooterHash(pdf1)
if footerHash == "" {
t.Fatalf("expected footer hash in PDF")
}
if hash1 != footerHash {
t.Fatalf("stored hash mismatch: got %s", hash1)
}
pdf2, hash2, err := svc.generateActPDF(snapshot)
if err != nil {
t.Fatalf("generateActPDF second call: %v", err)
}
if hash2 == "" {
t.Fatalf("expected non-empty hash on second call")
}
footerHash2 := extractFooterHash(pdf2)
if footerHash2 == "" {
t.Fatalf("expected footer hash in second PDF")
}
if footerHash2 != hash2 {
t.Fatalf("second hash mismatch: got=%s want=%s", footerHash2, hash2)
}
}
func extractFooterHash(pdf []byte) string {
prefix := []byte(content.DocumentIntegrityHashPrefix)
idx := bytes.Index(pdf, prefix)
if idx == -1 {
return ""
}
start := idx + len(prefix)
end := start
for end < len(pdf) && isHexDigit(pdf[end]) {
end++
}
if end-start != 64 {
return ""
}
return string(pdf[start:end])
}
func isHexDigit(b byte) bool {
return (b >= '0' && b <= '9') || (b >= 'a' && b <= 'f') || (b >= 'A' && b <= 'F')
}
func TestGetOperationDocument_GeneratesPDF(t *testing.T) {
svc := NewService(zap.NewNop(), nil, nil)
resp, err := svc.GetOperationDocument(context.Background(), &documentsv1.GetOperationDocumentRequest{
OrganizationRef: "org-1",
GatewayService: "chain_gateway",
OperationRef: "pay-1:step-1",
PaymentRef: "pay-1",
OperationCode: "crypto.transfer",
OperationLabel: "Outbound transfer",
OperationState: "completed",
Amount: "100.50",
Currency: "USDT",
StartedAtUnixMs: time.Date(2026, 3, 4, 10, 0, 0, 0, time.UTC).UnixMilli(),
})
if err != nil {
t.Fatalf("GetOperationDocument failed: %v", err)
}
if len(resp.GetContent()) == 0 {
t.Fatalf("expected non-empty PDF content")
}
if got, want := resp.GetMimeType(), "application/pdf"; got != want {
t.Fatalf("mime_type mismatch: got=%q want=%q", got, want)
}
if got, want := resp.GetFilename(), "operation_pay-1_step-1.pdf"; got != want {
t.Fatalf("filename mismatch: got=%q want=%q", got, want)
}
}
func TestGetOperationDocument_RequiresOperationRef(t *testing.T) {
svc := NewService(zap.NewNop(), nil, nil)
_, err := svc.GetOperationDocument(context.Background(), &documentsv1.GetOperationDocumentRequest{
OrganizationRef: "org-1",
GatewayService: "chain_gateway",
})
if status.Code(err) != codes.InvalidArgument {
t.Fatalf("expected InvalidArgument, got=%v err=%v", status.Code(err), err)
}
}
func TestBuildOperationBlocks_CertificateIncludesPaymentData(t *testing.T) {
snapshot := operationSnapshot{
OrganizationRef: "org-1",
GatewayService: "chain_gateway",
OperationRef: "op-123",
PaymentRef: "pay-123",
ClientName: "Jane Customer",
ClientAddress: "Main Street 1, City",
OperationCode: "transfer",
OperationLabel: "Outbound transfer",
OperationState: "completed",
Amount: "100.50",
Currency: "USDT",
StartedAt: time.Date(2026, 3, 1, 10, 0, 0, 0, time.UTC),
CompletedAt: time.Date(2026, 3, 2, 12, 0, 0, 0, time.UTC),
}
blocks := buildOperationBlocks(snapshot)
if len(blocks) == 0 {
t.Fatalf("expected blocks")
}
if got := blocks[0].Lines[0]; got != content.OperationDocument.Title {
t.Fatalf("title mismatch: got=%q want=%q", got, content.OperationDocument.Title)
}
meta := findTaggedBlock(blocks, renderer.TagMeta)
if meta == nil {
t.Fatalf("expected meta block")
}
metaText := strings.Join(meta.Lines, "\n")
if !strings.Contains(metaText, "Certificate No.: pay-123") {
t.Fatalf("meta should include certificate number, got=%q", metaText)
}
if !strings.Contains(metaText, "Date: March 2, 2026") {
t.Fatalf("meta should include certificate date, got=%q", metaText)
}
amountFound := false
clientFound := false
for _, block := range blocks {
if block.Tag != renderer.TagKV {
continue
}
for _, row := range block.Rows {
if len(row) >= 2 && row[0] == content.OperationDocument.RowTotalAmount && row[1] == "100.50 USDT" {
amountFound = true
}
if len(row) >= 2 && row[0] == content.OperationDocument.RowClient && row[1] == "Jane Customer" {
clientFound = true
}
}
}
if !amountFound {
t.Fatalf("expected total amount row with payment amount")
}
if !clientFound {
t.Fatalf("expected client row with customer name")
}
}
func TestCertificateNumber_FallsBackToOperationRef(t *testing.T) {
got := certificateNumber(operationSnapshot{
OperationRef: "op-777",
})
if got != "op-777" {
t.Fatalf("certificateNumber fallback mismatch: got=%q want=%q", got, "op-777")
}
}
func TestCertificateClientName_Fallback(t *testing.T) {
if got := certificateClientName(operationSnapshot{}); got != "John Doe" {
t.Fatalf("certificateClientName fallback mismatch: got=%q want=%q", got, "John Doe")
}
}
func findTaggedBlock(blocks []renderer.Block, tag renderer.Tag) *renderer.Block {
for i := range blocks {
if blocks[i].Tag == tag {
return &blocks[i]
}
}
return nil
}