add tests for decoding info related chunks

internal/decoders/info_tracker_list_chunk_test.go

@@ -0,0 +1,65 @@
+package decoders
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func TestGoodInfoTrackerListChunkDecoding(t *testing.T) {
+	testCases := []struct {
+		description string
+		bytes       []byte
+		expected    InfoTrackerListChunk
+	}{
+		{
+			description: "InfoTrackerListChunk",
+			bytes: []byte{
+				2, 0, 17, 128, 1, 0, 13, 128, 0, 0, 9, 0, 84, 114, 97, 99, 107, 101, 114, 32, 49,
+			},
+			expected: InfoTrackerListChunk{
+				Chunk: Chunk{
+					ChunkData: []byte{1, 0, 13, 128, 0, 0, 9, 0, 84, 114, 97, 99, 107, 101, 114, 32, 49},
+					Header:    ChunkHeader{DataLen: 17, Id: 2, HasSubchunks: true},
+				},
+				Data: InfoTrackerListChunkData{
+					Trackers: []InfoTrackerChunk{
+						{
+							Chunk: Chunk{
+								ChunkData: []byte{0, 0, 9, 0, 84, 114, 97, 99, 107, 101, 114, 32, 49},
+								Header:    ChunkHeader{DataLen: 13, Id: 1, HasSubchunks: true},
+							},
+							Data: InfoTrackerChunkData{
+								TrackerName: &InfoTrackerNameChunk{
+									Chunk: Chunk{
+										ChunkData: []byte{84, 114, 97, 99, 107, 101, 114, 32, 49},
+										Header:    ChunkHeader{DataLen: 9, Id: 0, HasSubchunks: false},
+									},
+									Data: InfoTrackerNameChunkData{
+										TrackerName: "Tracker 1",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+
+		actual, err := DecodeInfoTrackerListChunk(testCase.bytes)
+
+		if err != nil {
+			t.Errorf("Test '%s' failed to decode chunk properly", testCase.description)
+			fmt.Println(err)
+		}
+
+		if !reflect.DeepEqual(actual, testCase.expected) {
+			t.Errorf("Test '%s' failed to decode chunk properly", testCase.description)
+			fmt.Printf("expected: %+v\n", testCase.expected)
+			fmt.Printf("actual: %+v\n", actual)
+		}
+	}
+}