feat(QMCv2): support static cipher (legacy)

algo/qmc/qmc_test.go

@@ -0,0 +1,96 @@
+package qmc
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+	"reflect"
+	"testing"
+)
+
+func loadTestDataQmcDecoder(filename string) ([]byte, []byte, error) {
+	encBody, err := os.ReadFile(fmt.Sprintf("./testdata/%s_raw.bin", filename))
+	if err != nil {
+		return nil, nil, err
+	}
+	encSuffix, err := os.ReadFile(fmt.Sprintf("./testdata/%s_suffix.bin", filename))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	target, err := os.ReadFile(fmt.Sprintf("./testdata/%s_target.bin", filename))
+	if err != nil {
+		return nil, nil, err
+	}
+	return bytes.Join([][]byte{encBody, encSuffix}, nil), target, nil
+
+}
+func TestMflac0Decoder_Read(t *testing.T) {
+	tests := []struct {
+		name    string
+		wantErr bool
+	}{
+		{"mflac0_rc4", false},
+		{"mflac_map", false},
+		{"qmc0_static", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			raw, target, err := loadTestDataQmcDecoder(tt.name)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			d, err := NewDecoder(bytes.NewReader(raw))
+			if err != nil {
+				t.Error(err)
+				return
+			}
+			buf := make([]byte, len(target))
+			if _, err := io.ReadFull(d, buf); err != nil {
+				t.Errorf("read bytes from decoder error = %v", err)
+				return
+			}
+			if !reflect.DeepEqual(buf, target) {
+				t.Errorf("Decrypt() got = %v, want %v", buf[:32], target[:32])
+			}
+		})
+	}
+
+}
+
+func TestMflac0Decoder_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		fileExt string
+		wantErr bool
+	}{
+		{"mflac0_rc4", ".flac", false},
+		{"mflac_map", ".flac", false},
+		{"qmc0_static", ".mp3", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			raw, _, err := loadTestDataQmcDecoder(tt.name)
+			if err != nil {
+				t.Fatal(err)
+			}
+			d, err := NewDecoder(bytes.NewReader(raw))
+			if err != nil {
+				t.Error(err)
+				return
+			}
+
+			if err := d.Validate(); err != nil {
+				t.Errorf("read bytes from decoder error = %v", err)
+				return
+			}
+			if tt.fileExt != d.GetFileExt() {
+				t.Errorf("Decrypt() got = %v, want %v", d.GetFileExt(), tt.fileExt)
+			}
+		})
+	}
+}