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/*
* Copyright 2018-present Open Networking Foundation
* 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 grpc
import (
"context"
"github.com/stretchr/testify/assert"
"google.golang.org/grpc"
"testing"
)
// A Mock Probe that returns the Ready member using the IsReady() func
type MockReadyProbe struct {
Ready bool
}
func (m *MockReadyProbe) IsReady() bool {
return m.Ready
}
// A Mock handler that returns the request as its result
func MockUnaryHandler(ctx context.Context, req interface{}) (interface{}, error) {
_ = ctx
return req, nil
}
func TestNewGrpcServer(t *testing.T) {
server := NewGrpcServer("127.0.0.1", 1234, nil, false)
assert.NotNil(t, server)
}
func TestMkServerInterceptorNoProbe(t *testing.T) {
server := NewGrpcServer("127.0.0.1", 1234, nil, false)
assert.NotNil(t, server)
f := mkServerInterceptor(server)
assert.NotNil(t, f)
req := "SomeRequest"
serverInfo := grpc.UnaryServerInfo{Server: nil, FullMethod: "somemethod"}
result, err := f(context.Background(),
req,
&serverInfo,
MockUnaryHandler)
assert.Nil(t, err)
assert.Equal(t, "SomeRequest", result)
}
func TestMkServerInterceptorReady(t *testing.T) {
server := NewGrpcServer("127.0.0.1", 1234, nil, false)
assert.NotNil(t, server)
f := mkServerInterceptor(server)
assert.NotNil(t, f)
req := "SomeRequest"
serverInfo := grpc.UnaryServerInfo{Server: nil, FullMethod: "somemethod"}
probe := &MockReadyProbe{Ready: true}
server.AttachReadyProbe(probe)
result, err := f(context.Background(),
req,
&serverInfo,
MockUnaryHandler)
assert.Nil(t, err)
assert.NotNil(t, result)
}
func TestMkServerInterceptorNotReady(t *testing.T) {
server := NewGrpcServer("127.0.0.1", 1234, nil, false)
assert.NotNil(t, server)
f := mkServerInterceptor(server)
assert.NotNil(t, f)
req := "SomeRequest"
serverInfo := grpc.UnaryServerInfo{Server: nil, FullMethod: "somemethod"}
probe := &MockReadyProbe{Ready: false}
server.AttachReadyProbe(probe)
result, err := f(context.Background(),
req,
&serverInfo,
MockUnaryHandler)
assert.NotNil(t, err)
assert.Nil(t, result)
}