added some more tests for attachments

attachment_test.go

@@ -0,0 +1,28 @@
+package godog
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAttach(t *testing.T) {
+
+	ctx := context.Background()
+
+	ctx = Attach(ctx, Attachment{Body: []byte("body1"), FileName: "fileName1", MediaType: "mediaType1"})
+	ctx = Attach(ctx, Attachment{Body: []byte("body2"), FileName: "fileName2", MediaType: "mediaType2"})
+
+	attachments := Attachments(ctx)
+
+	assert.Equal(t, 2, len(attachments))
+
+	assert.Equal(t, []byte("body1"), attachments[0].Body)
+	assert.Equal(t, "fileName1", attachments[0].FileName)
+	assert.Equal(t, "mediaType1", attachments[0].MediaType)
+
+	assert.Equal(t, []byte("body2"), attachments[1].Body)
+	assert.Equal(t, "fileName2", attachments[1].FileName)
+	assert.Equal(t, "mediaType2", attachments[1].MediaType)
+}