add basic chunk encoding test

internal/encoders/chunk_test.go

@@ -0,0 +1,69 @@
+package encoders
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/psn-go/internal/decoders"
+)
+
+func TestChunkEncoding(t *testing.T) {
+	testCases := []struct {
+		description string
+		expected    []byte
+		chunk       decoders.Chunk
+	}{
+		{
+			description: "info packet",
+			expected: []byte{
+				0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+				0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
+				0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
+			},
+			chunk: decoders.Chunk{
+				Header: decoders.ChunkHeader{
+					Id:           uint16(26454),
+					DataLen:      uint16(52),
+					HasSubchunks: true,
+				},
+				ChunkData: []byte{
+					0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+					0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
+					0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
+				},
+			},
+		},
+		{
+			description: "data packet",
+			expected: []byte{
+				0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+				0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
+				0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
+			},
+			chunk: decoders.Chunk{
+				Header: decoders.ChunkHeader{
+					Id:           uint16(26453),
+					DataLen:      uint16(40),
+					HasSubchunks: true,
+				},
+				ChunkData: []byte{
+					0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+					0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
+					0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+
+		actual := EncodeChunk(testCase.chunk.Header.Id, testCase.chunk.ChunkData, testCase.chunk.Header.HasSubchunks)
+
+		if !reflect.DeepEqual(actual, testCase.expected) {
+			t.Errorf("Test '%s' failed to encode chunk properly", testCase.description)
+			fmt.Printf("expected: %v\n", testCase.expected)
+			fmt.Printf("actual: %v\n", actual)
+		}
+	}
+}