revid: modified test for revid reset to use test encoders.

revid/revid_test.go

@@ -8,8 +8,6 @@ import (
 	"runtime"
 	"testing"
 
-	"bitbucket.org/ausocean/av/stream/flv"
-	"bitbucket.org/ausocean/av/stream/mts"
 	"bitbucket.org/ausocean/iot/pi/netsender"
 )
 
@@ -71,6 +69,32 @@ func (tl *testLogger) Log(level int8, msg string, params ...interface{}) {
 	}
 }
 
+// tstMtsEncoder emulates the mts.Encoder to the extent of the dst field.
+// This will allow access to the dst to check that it has been set corrctly.
+type tstMtsEncoder struct {
+	dst io.Writer
+}
+
+// newTstMtsEncoder returns a pointer to a newTsMtsEncoder.
+func newTstMtsEncoder(dst io.Writer, fps int) io.Writer {
+	return &tstMtsEncoder{dst: dst}
+}
+
+func (e *tstMtsEncoder) Write(d []byte) (int, error) { return 0, nil }
+
+// tstFlvEncoder emulates the flv.Encoder to the extent of the dst field.
+// This will allow access to the dst to check that it has been set corrctly.
+type tstFlvEncoder struct {
+	dst io.Writer
+}
+
+// newTstFlvEncoder returns a pointer to a new tstFlvEncoder.
+func newTstFlvEncoder(dst io.Writer, fps int) (io.Writer, error) {
+	return &tstFlvEncoder{dst: dst}, nil
+}
+
+func (e *tstFlvEncoder) Write(d []byte) (int, error) { return 0, nil }
+
 // TestResetEncoderSenderSetup checks that revid.reset() correctly sets up the
 // revid.encoder slice and the senders the encoders write to.
 func TestResetEncoderSenderSetup(t *testing.T) {
@@ -163,10 +187,10 @@ func TestResetEncoderSenderSetup(t *testing.T) {
 
 	// typeOfEncoder will return the type of encoder implementing stream.Encoder.
 	typeOfEncoder := func(i io.Writer) (string, error) {
-		if _, ok := i.(*mts.Encoder); ok {
+		if _, ok := i.(*tstMtsEncoder); ok {
 			return mtsEncoderStr, nil
 		}
-		if _, ok := i.(*flv.Encoder); ok {
+		if _, ok := i.(*tstFlvEncoder); ok {
 			return flvEncoderStr, nil
 		}
 		return "", errors.New("unknown Encoder type")
@@ -194,9 +218,15 @@ func TestResetEncoderSenderSetup(t *testing.T) {
 	// Go through our test cases.
 	for testNum, test := range tests {
 		// Create a new config and reset revid with it.
-		const dummyUrl = "rtmp://dummy"
-		newConfig := Config{Logger: &testLogger{}, Outputs: test.outputs, RtmpUrl: dummyUrl}
-		err := rv.reset(newConfig)
+		const dummyURL = "rtmp://dummy"
+		c := Config{Logger: &testLogger{}, Outputs: test.outputs, RtmpUrl: dummyURL}
+		err := rv.setConfig(c)
+		if err != nil {
+			t.Fatalf("unexpected error: %v for test %v", err, testNum)
+		}
+
+		// This logic is what we want to check.
+		err = rv.setupPipeline(newTstMtsEncoder, newTstFlvEncoder)
 		if err != nil {
 			t.Fatalf("unexpected error: %v for test %v", err, testNum)
 		}
@@ -224,11 +254,17 @@ func TestResetEncoderSenderSetup(t *testing.T) {
 				}
 			}
 			if idx == -1 {
-				t.Errorf("encoder %v isn't expected in test %v", encoderType, testNum)
+				t.Fatalf("encoder %v isn't expected in test %v", encoderType, testNum)
 			}
 
 			// Now check that this encoder has correct number of destinations (senders).
-			ms := e.GetDst()
+			var ms io.Writer
+			switch encoderType {
+			case mtsEncoderStr:
+				ms = e.(*tstMtsEncoder).dst
+			case flvEncoderStr:
+				ms = e.(*tstFlvEncoder).dst
+			}
 			senders := []loadSender(ms.(multiSender))
 			got = len(senders)
 			want = len(test.encoders[idx].destinations)