go.uber.org/yarpc@v1.72.1/api/middleware/router_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package middleware
    22  
    23  import (
    24  	"context"
    25  	"testing"
    26  
    27  	"go.uber.org/yarpc/api/middleware/middlewaretest"
    28  	"go.uber.org/yarpc/api/transport"
    29  	"go.uber.org/yarpc/api/transport/transporttest"
    30  
    31  	"github.com/golang/mock/gomock"
    32  	"github.com/stretchr/testify/assert"
    33  	"github.com/stretchr/testify/require"
    34  )
    35  
    36  func TestApplyRouteTable(t *testing.T) {
    37  	ctrl := gomock.NewController(t)
    38  
    39  	routerMiddleware := middlewaretest.NewMockRouter(ctrl)
    40  	routeTable := transporttest.NewMockRouteTable(ctrl)
    41  
    42  	rtWithMW := ApplyRouteTable(routeTable, routerMiddleware)
    43  
    44  	routeTableWithMW, ok := rtWithMW.(routeTableWithMiddleware)
    45  	require.True(t, ok, "unexpected RouteTable type")
    46  
    47  	assert.Equal(t, routeTableWithMW.m, routerMiddleware)
    48  	assert.Equal(t, routeTableWithMW.r, routeTable)
    49  }
    50  
    51  func TestRouteTableMiddleware(t *testing.T) {
    52  	ctrl := gomock.NewController(t)
    53  	defer ctrl.Finish()
    54  
    55  	routerMiddleware := middlewaretest.NewMockRouter(ctrl)
    56  	routeTable := transporttest.NewMockRouteTable(ctrl)
    57  
    58  	ctx := context.Background()
    59  	req := &transport.Request{}
    60  	spec := transport.NewUnaryHandlerSpec(transporttest.NewMockUnaryHandler(ctrl))
    61  
    62  	routeTableWithMW := ApplyRouteTable(routeTable, routerMiddleware)
    63  
    64  	// register procedures
    65  	routeTable.EXPECT().Register(gomock.Any())
    66  	routeTableWithMW.Register([]transport.Procedure{})
    67  
    68  	// choose handlerSpec
    69  	routerMiddleware.EXPECT().Choose(ctx, req, routeTable).Return(spec, nil)
    70  	spec, err := routeTableWithMW.Choose(ctx, req)
    71  	assert.NoError(t, err)
    72  	assert.Equal(t, spec, spec)
    73  
    74  	// get procedures
    75  	routerMiddleware.EXPECT().Procedures(routeTable).Return([]transport.Procedure{})
    76  	routeTableWithMW.Procedures()
    77  }