add tests for freed processors

internal/processor/test/free-d-encode_test.go

@@ -1,8 +1,11 @@
 package processor_test
 
 import (
+	"reflect"
 	"testing"
 
+	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
@@ -25,3 +28,77 @@ func TestFreeDEncodeFromRegistry(t *testing.T) {
 		t.Fatalf("freed.encode processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestGoodFreeDEncode(t *testing.T) {
+	packetEncoder := processor.FreeDEncode{}
+
+	tests := []struct {
+		name     string
+		expected []byte
+		payload  any
+	}{
+		{
+			name: "basic freed",
+			expected: []byte{0xd1, 0x01, 0x5a, 0x00, 0x00, 0x2d, 0x00, 0x00, 0xa6, 0x00, 0x00, 0x7f, 0xff, 0x40, 0x7f, 0xff, 0x80, 0x7f, 0xff,
+				0xc0, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x00, 0x00, 50,
+			},
+			payload: freeD.FreeDPosition{
+				ID:    1,
+				Pan:   180,
+				Tilt:  90,
+				Roll:  -180,
+				PosX:  131069,
+				PosY:  131070,
+				PosZ:  131071,
+				Zoom:  66051,
+				Focus: 263430,
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			got, err := packetEncoder.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err != nil {
+				t.Fatalf("freed.encode processing failed: %s", err)
+			}
+
+			//TODO(jwetzell): work out better way to compare the any/any
+			if !reflect.DeepEqual(got.Payload, test.expected) {
+				t.Fatalf("freed.encode got %+v (%T), expected %+v (%T)", got.Payload, got.Payload, test.expected, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadFreeDEncode(t *testing.T) {
+	packetEncoder := processor.FreeDEncode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "not a FreeD packet",
+			payload:     "test",
+			errorString: "freed.encode processor only accepts a FreeDPosition",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			got, err := packetEncoder.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("freed.encode expected to fail but succeeded, got: %v", got)
+
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("freed.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}