From 3a14afb478ad0acb63f4bd37efe311eb10463e58 Mon Sep 17 00:00:00 2001
From: Hans-Joachim Krauch <achim.krauch@gmail.com>
Date: Thu, 28 Sep 2023 15:26:15 +0200
Subject: [PATCH] merge-test: Allow schema in prepInput

---
 go/cli/mcap/cmd/merge_test.go | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/go/cli/mcap/cmd/merge_test.go b/go/cli/mcap/cmd/merge_test.go
index f644dbfffb..124f1596c4 100644
--- a/go/cli/mcap/cmd/merge_test.go
+++ b/go/cli/mcap/cmd/merge_test.go
@@ -11,21 +11,19 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func prepInput(t *testing.T, w io.Writer, schemaID uint16, channelID uint16, topic string) {
+func prepInput(t *testing.T, w io.Writer, schema *mcap.Schema, channelID uint16, topic string) {
 	writer, err := mcap.NewWriter(w, &mcap.WriterOptions{
 		Chunked: true,
 	})
 	assert.Nil(t, err)
 
 	assert.Nil(t, writer.WriteHeader(&mcap.Header{Profile: "testprofile"}))
-	if schemaID != 0 {
-		assert.Nil(t, writer.WriteSchema(&mcap.Schema{
-			ID: schemaID,
-		}))
+	if schema.ID != 0 {
+		assert.Nil(t, writer.WriteSchema(schema))
 	}
 	assert.Nil(t, writer.WriteChannel(&mcap.Channel{
 		ID:       channelID,
-		SchemaID: schemaID,
+		SchemaID: schema.ID,
 		Topic:    topic,
 	}))
 	for i := 0; i < 100; i++ {
@@ -42,9 +40,9 @@ func TestMCAPMerging(t *testing.T) {
 		buf1 := &bytes.Buffer{}
 		buf2 := &bytes.Buffer{}
 		buf3 := &bytes.Buffer{}
-		prepInput(t, buf1, 1, 1, "/foo")
-		prepInput(t, buf2, 1, 1, "/bar")
-		prepInput(t, buf3, 1, 1, "/baz")
+		prepInput(t, buf1, &mcap.Schema{ID:1}, 1, "/foo")
+		prepInput(t, buf2, &mcap.Schema{ID:1}, 1, "/bar")
+		prepInput(t, buf3, &mcap.Schema{ID:1}, 1, "/baz")
 		merger := newMCAPMerger(mergeOpts{
 			chunked: chunked,
 		})
@@ -136,8 +134,8 @@ func TestChannelsWithSameSchema(t *testing.T) {
 func TestMultiChannelInput(t *testing.T) {
 	buf1 := &bytes.Buffer{}
 	buf2 := &bytes.Buffer{}
-	prepInput(t, buf1, 1, 1, "/foo")
-	prepInput(t, buf2, 1, 1, "/bar")
+	prepInput(t, buf1, &mcap.Schema{ID:1}, 1, "/foo")
+	prepInput(t, buf2, &mcap.Schema{ID:1}, 1, "/bar")
 	merger := newMCAPMerger(mergeOpts{})
 	multiChannelInput := &bytes.Buffer{}
 	inputs := []namedReader{
@@ -146,7 +144,7 @@ func TestMultiChannelInput(t *testing.T) {
 	}
 	assert.Nil(t, merger.mergeInputs(multiChannelInput, inputs))
 	buf3 := &bytes.Buffer{}
-	prepInput(t, buf3, 2, 2, "/baz")
+	prepInput(t, buf3, &mcap.Schema{ID:2}, 2, "/baz")
 	output := &bytes.Buffer{}
 	inputs2 := []namedReader{
 		{"multiChannelInput", multiChannelInput},
@@ -172,8 +170,8 @@ func TestMultiChannelInput(t *testing.T) {
 func TestSchemalessChannelInput(t *testing.T) {
 	buf1 := &bytes.Buffer{}
 	buf2 := &bytes.Buffer{}
-	prepInput(t, buf1, 0, 1, "/foo")
-	prepInput(t, buf2, 1, 1, "/bar")
+	prepInput(t, buf1, &mcap.Schema{ID:0}, 1, "/foo")
+	prepInput(t, buf2, &mcap.Schema{ID:1}, 1, "/bar")
 	merger := newMCAPMerger(mergeOpts{})
 	output := &bytes.Buffer{}
 	inputs := []namedReader{
@@ -264,7 +262,7 @@ func TestBadInputGivesNamedErrors(t *testing.T) {
 			"bad magic",
 			func() *bytes.Buffer {
 				buf := &bytes.Buffer{}
-				prepInput(t, buf, 0, 1, "/foo")
+				prepInput(t, buf, &mcap.Schema{ID:0}, 1, "/foo")
 				buf.Bytes()[0] = 0x00
 				return buf
 			},
@@ -274,7 +272,7 @@ func TestBadInputGivesNamedErrors(t *testing.T) {
 			"bad content",
 			func() *bytes.Buffer {
 				buf := &bytes.Buffer{}
-				prepInput(t, buf, 0, 1, "/foo")
+				prepInput(t, buf, &mcap.Schema{ID:0}, 1, "/foo")
 				for i := 3000; i < 4000; i++ {
 					buf.Bytes()[i] = 0x00
 				}