Ta-Ching ChenandGitHub
bfbb80efcf
This PR adds an interface for controller API client, it allows us to implement mock API client for unit testing with ease and we are able to generate spec file without accessing the real Fission server.
380 lines
11 KiB
Go
380 lines
11 KiB
Go
/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"reflect"
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"strings"
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"testing"
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"time"
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"go.uber.org/zap"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
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"github.com/fission/fission/pkg/controller/client"
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"github.com/fission/fission/pkg/controller/client/rest"
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ferror "github.com/fission/fission/pkg/error"
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"github.com/fission/fission/pkg/fission-cli/cmd"
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)
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var g struct {
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cmd.CommandActioner
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}
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func panicIf(err error) {
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if err != nil {
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log.Panicf("err: %v", err)
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}
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}
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func assert(c bool, msg string) {
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if !c {
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log.Fatalf("assert failed: %v", msg)
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}
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}
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func assertNameReuseFailure(err error, name string) {
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assert(err != nil, "recreating "+name+" with same name must fail")
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fe, ok := err.(ferror.Error)
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assert(ok, "error must be a fission Error")
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assert(fe.Code == ferror.ErrorNameExists, "error must be a name exists error")
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}
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func assertNotFoundFailure(err error, name string) {
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assert(err != nil, "requesting a non-existent "+name+" must fail")
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fe, ok := err.(ferror.Error)
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assert(ok, "error must be a fission Error")
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if fe.Code != ferror.ErrorNotFound {
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log.Fatalf("error must be a not found error: %v", fe)
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}
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}
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func assertCronSpecFails(err error) {
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assert(err != nil, "using an invalid cron spec must fail")
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ok := strings.Contains(err.Error(), "not a valid cron spec")
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assert(ok, "invalid cron spec must fail")
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}
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func TestFunctionApi(t *testing.T) {
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testFunc := &fv1.Function{
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Metadata: metav1.ObjectMeta{
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Name: "foo",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fv1.FunctionSpec{
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Environment: fv1.EnvironmentReference{
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Name: "nodejs",
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Namespace: metav1.NamespaceDefault,
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},
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Package: fv1.FunctionPackageRef{
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FunctionName: "xxx",
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PackageRef: fv1.PackageRef{
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Namespace: metav1.NamespaceDefault,
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Name: "xxx",
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ResourceVersion: "12345",
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},
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},
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},
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}
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_, err := g.Client().V1().Function().Get(&metav1.ObjectMeta{
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Name: testFunc.Metadata.Name,
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Namespace: metav1.NamespaceDefault,
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})
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assertNotFoundFailure(err, "function")
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m, err := g.Client().V1().Function().Create(testFunc)
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panicIf(err)
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defer func() {
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err := g.Client().V1().Function().Delete(m)
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panicIf(err)
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}()
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_, err = g.Client().V1().Function().Create(testFunc)
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assertNameReuseFailure(err, "function")
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testFunc.Metadata.ResourceVersion = m.ResourceVersion
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testFunc.Spec.Package.FunctionName = "yyy"
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_, err = g.Client().V1().Function().Update(testFunc)
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panicIf(err)
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testFunc.Metadata.ResourceVersion = ""
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testFunc.Metadata.Name = "bar"
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m2, err := g.Client().V1().Function().Create(testFunc)
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panicIf(err)
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defer g.Client().V1().Function().Delete(m2)
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funcs, err := g.Client().V1().Function().List(metav1.NamespaceDefault)
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panicIf(err)
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assert(len(funcs) == 2, fmt.Sprintf("created two functions, but found %v", len(funcs)))
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funcs_url := g.Client().ServerURL() + "/v2/functions"
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resp, err := http.Get(funcs_url)
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panicIf(err)
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defer resp.Body.Close()
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assert(resp.StatusCode == 200, "http get status code on /v1/functions")
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var found bool = false
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for _, b := range resp.Header["Content-Type"] {
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if b == "application/json; charset=utf-8" {
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found = true
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}
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}
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assert(found, "incorrect response content type")
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}
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func TestHTTPTriggerApi(t *testing.T) {
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testTrigger := &fv1.HTTPTrigger{
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Metadata: metav1.ObjectMeta{
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Name: "foo",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fv1.HTTPTriggerSpec{
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Method: http.MethodGet,
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RelativeURL: "/hello",
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FunctionReference: fv1.FunctionReference{
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Type: fv1.FunctionReferenceTypeFunctionName,
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Name: "foo",
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},
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},
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}
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_, err := g.Client().V1().HTTPTrigger().Get(&metav1.ObjectMeta{
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Name: testTrigger.Metadata.Name,
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Namespace: metav1.NamespaceDefault,
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})
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assertNotFoundFailure(err, "httptrigger")
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m, err := g.Client().V1().HTTPTrigger().Create(testTrigger)
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panicIf(err)
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defer g.Client().V1().HTTPTrigger().Delete(m)
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_, err = g.Client().V1().HTTPTrigger().Create(testTrigger)
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assertNameReuseFailure(err, "httptrigger")
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tr, err := g.Client().V1().HTTPTrigger().Get(m)
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panicIf(err)
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assert(testTrigger.Spec.Method == tr.Spec.Method &&
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testTrigger.Spec.RelativeURL == tr.Spec.RelativeURL &&
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testTrigger.Spec.FunctionReference.Type == tr.Spec.FunctionReference.Type &&
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testTrigger.Spec.FunctionReference.Name == tr.Spec.FunctionReference.Name, "trigger should match after reading")
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testTrigger.Metadata.ResourceVersion = m.ResourceVersion
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testTrigger.Spec.RelativeURL = "/hi"
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_, err = g.Client().V1().HTTPTrigger().Update(testTrigger)
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panicIf(err)
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testTrigger.Metadata.ResourceVersion = ""
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testTrigger.Metadata.Name = "yyy"
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_, err = g.Client().V1().HTTPTrigger().Create(testTrigger)
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assert(err != nil, "duplicate trigger should not be allowed")
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testTrigger.Spec.RelativeURL = "/hi2"
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m2, err := g.Client().V1().HTTPTrigger().Create(testTrigger)
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panicIf(err)
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defer g.Client().V1().HTTPTrigger().Delete(m2)
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ts, err := g.Client().V1().HTTPTrigger().List(metav1.NamespaceDefault)
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panicIf(err)
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assert(len(ts) == 2, fmt.Sprintf("created two triggers, but found %v", len(ts)))
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}
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func TestEnvironmentApi(t *testing.T) {
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testEnv := &fv1.Environment{
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Metadata: metav1.ObjectMeta{
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Name: "foo",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fv1.EnvironmentSpec{
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Version: 1,
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Runtime: fv1.Runtime{
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Image: "gcr.io/xyz",
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},
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Resources: v1.ResourceRequirements{},
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},
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}
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_, err := g.Client().V1().Environment().Get(&metav1.ObjectMeta{
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Name: testEnv.Metadata.Name,
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Namespace: metav1.NamespaceDefault,
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})
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assertNotFoundFailure(err, "environment")
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m, err := g.Client().V1().Environment().Create(testEnv)
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panicIf(err)
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defer g.Client().V1().Environment().Delete(m)
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_, err = g.Client().V1().Environment().Create(testEnv)
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assertNameReuseFailure(err, "environment")
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e, err := g.Client().V1().Environment().Get(m)
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panicIf(err)
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assert(reflect.DeepEqual(testEnv.Spec, e.Spec), "env should match after reading")
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testEnv.Metadata.ResourceVersion = m.ResourceVersion
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testEnv.Spec.Runtime.Image = "another-img"
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_, err = g.Client().V1().Environment().Update(testEnv)
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panicIf(err)
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testEnv.Metadata.ResourceVersion = ""
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testEnv.Metadata.Name = "bar"
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m2, err := g.Client().V1().Environment().Create(testEnv)
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panicIf(err)
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defer g.Client().V1().Environment().Delete(m2)
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ts, err := g.Client().V1().Environment().List(metav1.NamespaceDefault)
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panicIf(err)
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assert(len(ts) == 2, fmt.Sprintf("created two envs, but found %v", len(ts)))
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}
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func TestWatchApi(t *testing.T) {
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testWatch := &fv1.KubernetesWatchTrigger{
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Metadata: metav1.ObjectMeta{
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Name: "xxx",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fv1.KubernetesWatchTriggerSpec{
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Namespace: "default",
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Type: "pod",
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FunctionReference: fv1.FunctionReference{
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Type: fv1.FunctionReferenceTypeFunctionName,
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Name: "foo",
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},
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},
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}
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_, err := g.Client().V1().KubeWatcher().Get(&metav1.ObjectMeta{
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Name: testWatch.Metadata.Name,
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Namespace: metav1.NamespaceDefault,
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})
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assertNotFoundFailure(err, "watch")
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m, err := g.Client().V1().KubeWatcher().Create(testWatch)
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panicIf(err)
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defer g.Client().V1().KubeWatcher().Delete(m)
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_, err = g.Client().V1().KubeWatcher().Create(testWatch)
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assertNameReuseFailure(err, "watch")
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w, err := g.Client().V1().KubeWatcher().Get(m)
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panicIf(err)
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assert(testWatch.Spec.Namespace == w.Spec.Namespace &&
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testWatch.Spec.Type == w.Spec.Type &&
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testWatch.Spec.FunctionReference.Type == w.Spec.FunctionReference.Type &&
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testWatch.Spec.FunctionReference.Name == w.Spec.FunctionReference.Name, "watch should match after reading")
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testWatch.Metadata.Name = "yyy"
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m2, err := g.Client().V1().KubeWatcher().Create(testWatch)
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panicIf(err)
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defer g.Client().V1().KubeWatcher().Delete(m2)
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ws, err := g.Client().V1().KubeWatcher().List(metav1.NamespaceDefault)
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panicIf(err)
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assert(len(ws) == 2, fmt.Sprintf("created two watches, but found %v", len(ws)))
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}
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func TestTimeTriggerApi(t *testing.T) {
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testTrigger := &fv1.TimeTrigger{
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Metadata: metav1.ObjectMeta{
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Name: "xxx",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fv1.TimeTriggerSpec{
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Cron: "0 30 * * * *",
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FunctionReference: fv1.FunctionReference{
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Type: fv1.FunctionReferenceTypeFunctionName,
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Name: "asdf",
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},
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},
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}
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_, err := g.Client().V1().TimeTrigger().Get(&metav1.ObjectMeta{Name: testTrigger.Metadata.Name})
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assertNotFoundFailure(err, "trigger")
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m, err := g.Client().V1().TimeTrigger().Create(testTrigger)
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panicIf(err)
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defer g.Client().V1().TimeTrigger().Delete(m)
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_, err = g.Client().V1().TimeTrigger().Create(testTrigger)
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assertNameReuseFailure(err, "trigger")
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tr, err := g.Client().V1().TimeTrigger().Get(m)
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panicIf(err)
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assert(testTrigger.Spec.Cron == tr.Spec.Cron &&
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testTrigger.Spec.FunctionReference.Type == tr.Spec.FunctionReference.Type &&
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testTrigger.Spec.FunctionReference.Name == tr.Spec.FunctionReference.Name, "trigger should match after reading")
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testTrigger.Metadata.ResourceVersion = m.ResourceVersion
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testTrigger.Spec.Cron = "@hourly"
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_, err = g.Client().V1().TimeTrigger().Update(testTrigger)
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panicIf(err)
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testTrigger.Metadata.ResourceVersion = ""
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testTrigger.Metadata.Name = "yyy"
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testTrigger.Spec.Cron = "Not valid cron spec"
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_, err = g.Client().V1().TimeTrigger().Create(testTrigger)
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assertCronSpecFails(err)
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ts, err := g.Client().V1().TimeTrigger().List(metav1.NamespaceDefault)
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panicIf(err)
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assert(len(ts) == 1, fmt.Sprintf("created two time triggers, but found %v", len(ts)))
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}
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func TestMain(m *testing.M) {
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flag.Parse()
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// skip test if no cluster available for testing
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kubeconfig := os.Getenv("KUBECONFIG")
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if len(kubeconfig) == 0 {
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log.Println("Skipping test, no kubernetes cluster")
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return
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}
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logger, err := zap.NewDevelopment()
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panicIf(err)
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go Start(logger, 8888, true)
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time.Sleep(5 * time.Second)
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restClient := rest.NewRESTClient("http://localhost:8888")
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// TODO: use fake rest client for offline spec generation
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cmd.SetClientset(client.MakeClientset(restClient))
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resp, err := http.Get("http://localhost:8888/")
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panicIf(err)
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assert(resp.StatusCode == 200, "http get status code on root")
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var found bool = false
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for _, b := range resp.Header["Content-Type"] {
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if b == "application/json; charset=utf-8" {
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found = true
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}
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}
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assert(found, "incorrect response content type")
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_, err = ioutil.ReadAll(resp.Body)
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panicIf(err)
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os.Exit(m.Run())
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}
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