Tests and benchmark

sign/pdfsignature_test.go

@@ -0,0 +1,81 @@
+package sign
+
+import (
+	"os"
+	"testing"
+	"time"
+
+	"bitbucket.org/digitorus/pdf"
+)
+
+func TestCreateSignature(t *testing.T) {
+	input_file, err := os.Open("../testfiles/testfile20.pdf")
+	if err != nil {
+		t.Errorf("Failed to load test PDF")
+		return
+	}
+
+	finfo, err := input_file.Stat()
+	if err != nil {
+		t.Errorf("Failed to load test PDF")
+		return
+	}
+	size := finfo.Size()
+
+	rdr, err := pdf.NewReader(input_file, size)
+	if err != nil {
+		t.Errorf("Failed to load test PDF")
+		return
+	}
+
+	timezone, _ := time.LoadLocation("Europe/Tallinn")
+	now := time.Date(2017, 9, 23, 14, 39, 0, 0, timezone)
+
+	sign_data := SignData{
+		Signature: SignDataSignature{
+			Info: SignDataSignatureInfo{
+				Name:        "Jeroen Bobbeldijk",
+				Location:    "Rotterdam",
+				Reason:      "Test",
+				ContactInfo: "Geen",
+				Date:        now,
+			},
+			CertType: 2,
+			Approval: false,
+		},
+	}
+
+	sign_data.ObjectId = uint32(rdr.XrefInformation.ItemCount) + 3
+
+	context := SignContext{
+		Filesize:  size + 1,
+		PDFReader: rdr,
+		InputFile: input_file,
+		VisualSignData: VisualSignData{
+			ObjectId: uint32(rdr.XrefInformation.ItemCount),
+		},
+		CatalogData: CatalogData{
+			ObjectId: uint32(rdr.XrefInformation.ItemCount) + 1,
+		},
+		InfoData: InfoData{
+			ObjectId: uint32(rdr.XrefInformation.ItemCount) + 2,
+		},
+		SignData: sign_data,
+	}
+
+	expected_signature := "13 0 obj\n<< /Type /Sig /Filter /Adobe.PPKLite /SubFilter /adbe.pkcs7.detached /ByteRange[0 ********** ********** **********] /Contents<> /Reference [ << /Type /SigRef /TransformMethod /DocMDP /TransformParams << /Type /TransformParams /P 2 /V /1.2 >> >> ] /Name (Jeroen Bobbeldijk) /Location (Rotterdam) /Reason (Test) /ContactInfo (Geen) /M (D:20170923143900+03'00') >>\nendobj\n"
+
+	signature, byte_range_start_byte, signature_contents_start_byte := context.createSignaturePlaceholder()
+
+	if signature != expected_signature {
+		t.Errorf("Signature mismatch, expected %s, but got %s", expected_signature, signature)
+	}
+
+	if byte_range_start_byte != 78 {
+		t.Errorf("Byte range start mismatch, expected %d, but got %d", 78, byte_range_start_byte)
+	}
+
+	if signature_contents_start_byte != 135 {
+		t.Errorf("Signature contents start byte mismatch, expected %d, but got %d", 135, signature_contents_start_byte)
+	}
+}