compose/server/interceptor_test.go

122 lines
3.1 KiB
Go

package server
import (
"context"
"io/ioutil"
"os"
"path"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
"github.com/docker/api/config"
apicontext "github.com/docker/api/context"
)
type interceptorSuite struct {
suite.Suite
dir string
ctx context.Context
}
func (is *interceptorSuite) BeforeTest(suiteName, testName string) {
dir, err := ioutil.TempDir("", "example")
require.Nil(is.T(), err)
ctx := context.Background()
ctx = config.WithDir(ctx, dir)
err = ioutil.WriteFile(path.Join(dir, "config.json"), []byte(`{"currentContext": "default"}`), 0644)
require.Nil(is.T(), err)
is.dir = dir
is.ctx = ctx
}
func (is *interceptorSuite) AfterTest(suiteName, tesName string) {
err := os.RemoveAll(is.dir)
require.Nil(is.T(), err)
}
func (is *interceptorSuite) TestUnaryGetCurrentContext() {
interceptor := unaryServerInterceptor(is.ctx)
currentContext := is.callUnary(context.Background(), interceptor)
assert.Equal(is.T(), "default", currentContext)
}
func (is *interceptorSuite) TestUnaryContextFromMetadata() {
contextName := "test"
interceptor := unaryServerInterceptor(is.ctx)
reqCtx := context.Background()
reqCtx = metadata.NewIncomingContext(reqCtx, metadata.MD{
(key): []string{contextName},
})
currentContext := is.callUnary(reqCtx, interceptor)
assert.Equal(is.T(), contextName, currentContext)
}
func (is *interceptorSuite) TestStreamGetCurrentContext() {
interceptor := streamServerInterceptor(is.ctx)
currentContext := is.callStream(context.Background(), interceptor)
assert.Equal(is.T(), "default", currentContext)
}
func (is *interceptorSuite) TestStreamContextFromMetadata() {
contextName := "test"
interceptor := streamServerInterceptor(is.ctx)
reqCtx := context.Background()
reqCtx = metadata.NewIncomingContext(reqCtx, metadata.MD{
(key): []string{contextName},
})
currentContext := is.callStream(reqCtx, interceptor)
assert.Equal(is.T(), contextName, currentContext)
}
func (is *interceptorSuite) callStream(ctx context.Context, interceptor grpc.StreamServerInterceptor) string {
currentContext := ""
err := interceptor(nil, &contextServerStream{
ctx: ctx,
}, &grpc.StreamServerInfo{
FullMethod: "/com.docker.api.protos.context.v1.Contexts/test",
}, func(srv interface{}, stream grpc.ServerStream) error {
currentContext = apicontext.CurrentContext(stream.Context())
return nil
})
require.Nil(is.T(), err)
return currentContext
}
func (is *interceptorSuite) callUnary(ctx context.Context, interceptor grpc.UnaryServerInterceptor) string {
currentContext := ""
resp, err := interceptor(ctx, nil, &grpc.UnaryServerInfo{
FullMethod: "/com.docker.api.protos.context.v1.Contexts/test",
}, func(ctx context.Context, req interface{}) (interface{}, error) {
currentContext = apicontext.CurrentContext(ctx)
return nil, nil
})
require.Nil(is.T(), err)
require.Nil(is.T(), resp)
return currentContext
}
func TestInterceptor(t *testing.T) {
suite.Run(t, new(interceptorSuite))
}