Files
fission-src/pkg/router/router_test.go
T
Ta-Ching ChenandGitHub 6d2fe08973 Allow to tap multiple function services at one time (#1434)
The router taps function service one by one which is inefficient and
increases the burden of executor. This PR aggregates all requests into
one to solve the problem mentioned above.
2019-11-25 18:44:48 +08:00

107 lines
2.9 KiB
Go

/*
Copyright 2016 The Fission 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 router
import (
"context"
"fmt"
"testing"
"time"
"github.com/fission/fission/pkg/types"
"go.uber.org/zap"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
"github.com/fission/fission/pkg/throttler"
)
func TestRouter(t *testing.T) {
// metadata for a fake function
fnMeta := metav1.ObjectMeta{Name: "foo", Namespace: metav1.NamespaceDefault}
// and a reference to it
fr := fv1.FunctionReference{
Type: types.FunctionReferenceTypeFunctionName,
Name: fnMeta.Name,
}
// start a fake service
testResponseString := "hi"
testServiceUrl := createBackendService(testResponseString)
logger, err := zap.NewDevelopment()
panicIf(err)
// set up the cache with this fake service
fmap := makeFunctionServiceMap(logger, 0)
fmap.assign(&fnMeta, testServiceUrl)
// HTTP trigger set with a trigger for this function
triggers, _, _ := makeHTTPTriggerSet(logger, fmap, nil, nil, nil, nil,
&tsRoundTripperParams{
timeout: 50 * time.Millisecond,
timeoutExponent: 2,
maxRetries: 10,
}, false, throttler.MakeThrottler(30*time.Second))
triggerUrl := "/foo"
triggers.triggers = append(triggers.triggers,
fv1.HTTPTrigger{
Metadata: metav1.ObjectMeta{
Name: "xxx",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "1234",
},
Spec: fv1.HTTPTriggerSpec{
RelativeURL: triggerUrl,
FunctionReference: fr,
Method: "GET",
},
})
// set up the resolver's cache for this function
frr := makeFunctionReferenceResolver(nil)
nfr := namespacedTriggerReference{
namespace: metav1.NamespaceDefault,
triggerName: "xxx",
triggerResourceVersion: "1234",
}
fnMetaMap := make(map[string]*fv1.Function, 1)
fnMetaMap[fnMeta.Name] = &fv1.Function{
Metadata: fnMeta,
}
rr := resolveResult{
resolveResultType: resolveResultSingleFunction,
functionMap: fnMetaMap,
}
frr.refCache.Set(nfr, rr)
// run the router
port := 4242
tracingSamplingRate := .5
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go serve(ctx, logger, port, tracingSamplingRate, triggers, frr, false)
time.Sleep(100 * time.Millisecond)
// hit the router
testUrl := fmt.Sprintf("http://localhost:%v%v", port, triggerUrl)
testRequest(testUrl, testResponseString)
}