From 10623f5d7a7d785fb3863c2b190b0f2f99686b7c Mon Sep 17 00:00:00 2001
From: Steve Streeting <steve@stevestreeting.com>
Date: Tue, 31 May 2016 11:04:17 +0100
Subject: [PATCH] Tests for transfer registration system

---
 transfer/transfer_test.go | 105 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 transfer/transfer_test.go

diff --git a/transfer/transfer_test.go b/transfer/transfer_test.go
new file mode 100644
index 00000000..fde3eb59
--- /dev/null
+++ b/transfer/transfer_test.go
@@ -0,0 +1,105 @@
+package transfer
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type testAdapter struct {
+	name string
+	dir  Direction
+}
+
+func (a *testAdapter) Name() string {
+	return a.name
+}
+func (a *testAdapter) Direction() Direction {
+	return a.dir
+}
+func (a *testAdapter) Begin(maxConcurrency int, cb TransferProgressCallback, completion chan TransferResult) error {
+	return nil
+}
+func (a *testAdapter) Add(t *Transfer) {
+}
+func (a *testAdapter) End() {
+}
+func (a *testAdapter) ClearTempStorage() error {
+	return nil
+}
+func newTestAdapter(name string, dir Direction) TransferAdapter {
+	return &testAdapter{name, dir}
+}
+func newRenamedTestAdapter(name string, dir Direction) TransferAdapter {
+	return &testAdapter{"RENAMED", dir}
+}
+func resetAdapters() {
+	uploadAdapterFuncs = make(map[string]NewTransferAdapterFunc)
+	downloadAdapterFuncs = make(map[string]NewTransferAdapterFunc)
+}
+
+func testBasicAdapterExists(t *testing.T) {
+	assert := assert.New(t)
+
+	dls := GetDownloadAdapterNames()
+	if assert.NotNil(dls) {
+		assert.Equal([]string{"basic"}, dls)
+	}
+	uls := GetUploadAdapterNames()
+	if assert.NotNil(uls) {
+		assert.Equal([]string{"basic"}, uls)
+	}
+	da := NewDownloadAdapter("basic")
+	if assert.NotNil(da) {
+		assert.Equal("basic", da.Name())
+		assert.Equal(Download, da.Direction())
+	}
+	ua := NewUploadAdapter("basic")
+	if assert.NotNil(ua) {
+		assert.Equal("basic", ua.Name())
+		assert.Equal(Upload, ua.Direction())
+	}
+}
+
+func testAdapterRegAndOverride(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Nil(NewDownloadAdapter("test"))
+	assert.Nil(NewUploadAdapter("test"))
+
+	RegisterNewTransferAdapterFunc("test", Upload, newTestAdapter)
+	assert.Nil(NewDownloadAdapter("test"))
+	assert.NotNil(NewUploadAdapter("test"))
+
+	RegisterNewTransferAdapterFunc("test", Download, newTestAdapter)
+	da := NewDownloadAdapter("test")
+	if assert.NotNil(da) {
+		assert.Equal("test", da.Name())
+		assert.Equal(Download, da.Direction())
+	}
+	ua := NewUploadAdapter("test")
+	if assert.NotNil(ua) {
+		assert.Equal("test", ua.Name())
+		assert.Equal(Upload, ua.Direction())
+	}
+
+	// Test override
+	RegisterNewTransferAdapterFunc("test", Upload, newRenamedTestAdapter)
+	ua = NewUploadAdapter("test")
+	if assert.NotNil(ua) {
+		assert.Equal("RENAMED", ua.Name())
+		assert.Equal(Upload, ua.Direction())
+	}
+	da = NewDownloadAdapter("test")
+	if assert.NotNil(da) {
+		assert.Equal("test", da.Name())
+		assert.Equal(Download, da.Direction())
+	}
+	RegisterNewTransferAdapterFunc("test", Download, newRenamedTestAdapter)
+	da = NewDownloadAdapter("test")
+	if assert.NotNil(da) {
+		assert.Equal("RENAMED", da.Name())
+		assert.Equal(Download, da.Direction())
+	}
+
+}