Add unit test for bfe_handler_list.go (bfenetworks#777)

bfe_module/bfe_handler_list_test.go

@@ -0,0 +1,124 @@
+// Copyright (c) 2019 The BFE Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bfe_module
+
+import (
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"github.com/bfenetworks/bfe/bfe_basic"
+	"github.com/bfenetworks/bfe/bfe_http"
+)
+
+func TestHandlerListFilterAccept(t *testing.T) {
+	hl := NewHandlerList(HandlersAccept)
+	assert.NotNil(t, hl)
+	var err error
+	var session *bfe_basic.Session
+	err = hl.AddAcceptFilter(func(session *bfe_basic.Session) (int, error) {
+		return BfeHandlerGoOn, nil
+	})
+	assert.Error(t, err)
+
+	err = hl.AddAcceptFilter(func(session *bfe_basic.Session) int {
+		return BfeHandlerGoOn
+	})
+	assert.NoError(t, err)
+
+	retVal := hl.FilterAccept(session)
+	assert.EqualValues(t, BfeHandlerGoOn, retVal)
+}
+
+func TestHandlerListFilterRequest(t *testing.T) {
+	hl := NewHandlerList(HandlersRequest)
+	assert.NotNil(t, hl)
+	var err error
+	var req *bfe_basic.Request
+	err = hl.AddRequestFilter(func(req *bfe_basic.Request) *bfe_http.Response {
+		return nil
+	})
+	assert.Error(t, err)
+
+	err = hl.AddRequestFilter(func(req *bfe_basic.Request) (int, *bfe_http.Response) {
+		return BfeHandlerGoOn, nil
+	})
+	assert.NoError(t, err)
+
+	retVal, _ := hl.FilterRequest(req)
+	assert.EqualValues(t, BfeHandlerGoOn, retVal)
+}
+
+func TestHandlerListFilterForward(t *testing.T) {
+	hl := NewHandlerList(HandlersForward)
+	assert.NotNil(t, hl)
+	var err error
+	var req *bfe_basic.Request
+	err = hl.AddForwardFilter(func(req *bfe_basic.Request) (int, error) {
+		return BfeHandlerRedirect, nil
+	})
+	assert.Error(t, err)
+
+	err = hl.AddForwardFilter(func(req *bfe_basic.Request) int {
+		return BfeHandlerRedirect
+	})
+	assert.NoError(t, err)
+
+	retVal := hl.FilterForward(req)
+	assert.EqualValues(t, BfeHandlerRedirect, retVal)
+}
+
+func TestHandlerListFilterResponse(t *testing.T) {
+	hl := NewHandlerList(HandlersResponse)
+	assert.NotNil(t, hl)
+	var err error
+	var req *bfe_basic.Request
+	var res *bfe_http.Response
+	err = hl.AddResponseFilter(func(req *bfe_basic.Request) int {
+		return BfeHandlerResponse
+	})
+	assert.Error(t, err)
+
+	err = hl.AddResponseFilter(func(req *bfe_basic.Request, res *bfe_http.Response) int {
+		return BfeHandlerResponse
+	})
+	assert.NoError(t, err)
+
+	retVal := hl.FilterResponse(req, res)
+	assert.EqualValues(t, BfeHandlerResponse, retVal)
+}
+
+func TestHandlerListFilterFinish(t *testing.T) {
+	hl := NewHandlerList(HandlersFinish)
+	assert.NotNil(t, hl)
+	var err error
+	var session *bfe_basic.Session
+	err = hl.AddFinishFilter(func(session *bfe_basic.Session) (int, error) {
+		return BfeHandlerFinish, nil
+	})
+	assert.Error(t, err)
+
+	err = hl.AddFinishFilter(func(session *bfe_basic.Session) int {
+		return BfeHandlerFinish
+	})
+	assert.NoError(t, err)
+
+	retVal := hl.FilterFinish(session)
+	assert.EqualValues(t, BfeHandlerFinish, retVal)
+}