Files
fission-src/controller/api_test.go
T
Ta-Ching ChenandSoam Vasani 5f14b9b0ae Switch from ThirdPartyResources to CustomResourceDefinitions (#381)
Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards.

This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs.

The storage service is unaffected by this change.
2017-11-04 14:55:16 -07:00

352 lines
9.2 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 controller
import (
"flag"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/fission/fission"
"github.com/fission/fission/controller/client"
"github.com/fission/fission/crd"
)
var g struct {
client *client.Client
}
func panicIf(err error) {
if err != nil {
log.Panicf("err: %v", err)
}
}
func assert(c bool, msg string) {
if !c {
log.Fatalf("assert failed: %v", msg)
}
}
func assertNameReuseFailure(err error, name string) {
assert(err != nil, "recreating "+name+" with same name must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
assert(fe.Code == fission.ErrorNameExists, "error must be a name exists error")
}
func assertNotFoundFailure(err error, name string) {
assert(err != nil, "requesting a non-existent "+name+" must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
if fe.Code != fission.ErrorNotFound {
log.Fatalf("error must be a not found error: %v", fe)
}
}
func assertCronSpecFails(err error) {
assert(err != nil, "using an invalid cron spec must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
assert(fe.Code == fission.ErrorInvalidArgument, "error must be a invalid argument error")
}
func TestFunctionApi(t *testing.T) {
testFunc := &crd.Function{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.FunctionSpec{
Environment: fission.EnvironmentReference{
Name: "nodejs",
},
Package: fission.FunctionPackageRef{
FunctionName: "xxx",
},
},
}
_, err := g.client.FunctionGet(&metav1.ObjectMeta{
Name: testFunc.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "function")
m, err := g.client.FunctionCreate(testFunc)
panicIf(err)
defer func() {
err := g.client.FunctionDelete(m)
panicIf(err)
}()
_, err = g.client.FunctionCreate(testFunc)
assertNameReuseFailure(err, "function")
testFunc.Metadata.ResourceVersion = m.ResourceVersion
testFunc.Spec.Package.FunctionName = "yyy"
_, err = g.client.FunctionUpdate(testFunc)
panicIf(err)
testFunc.Metadata.ResourceVersion = ""
testFunc.Metadata.Name = "bar"
m2, err := g.client.FunctionCreate(testFunc)
panicIf(err)
defer g.client.FunctionDelete(m2)
funcs, err := g.client.FunctionList()
panicIf(err)
assert(len(funcs) == 2, fmt.Sprintf("created two functions, but found %v", len(funcs)))
funcs_url := g.client.Url + "/v2/functions"
resp, err := http.Get(funcs_url)
panicIf(err)
defer resp.Body.Close()
assert(resp.StatusCode == 200, "http get status code on /v1/functions")
var found bool = false
for _, b := range resp.Header["Content-Type"] {
if b == "application/json; charset=utf-8" {
found = true
}
}
assert(found, "incorrect response content type")
}
func TestHTTPTriggerApi(t *testing.T) {
testTrigger := &crd.HTTPTrigger{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.HTTPTriggerSpec{
RelativeURL: "/hello",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "foo",
},
},
}
_, err := g.client.HTTPTriggerGet(&metav1.ObjectMeta{
Name: testTrigger.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "httptrigger")
m, err := g.client.HTTPTriggerCreate(testTrigger)
panicIf(err)
defer g.client.HTTPTriggerDelete(m)
_, err = g.client.HTTPTriggerCreate(testTrigger)
assertNameReuseFailure(err, "httptrigger")
tr, err := g.client.HTTPTriggerGet(m)
panicIf(err)
assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
testTrigger.Metadata.ResourceVersion = m.ResourceVersion
testTrigger.Spec.RelativeURL = "/hi"
_, err = g.client.HTTPTriggerUpdate(testTrigger)
panicIf(err)
testTrigger.Metadata.ResourceVersion = ""
testTrigger.Metadata.Name = "yyy"
_, err = g.client.HTTPTriggerCreate(testTrigger)
assert(err != nil, "duplicate trigger should not be allowed")
testTrigger.Spec.RelativeURL = "/hi2"
m2, err := g.client.HTTPTriggerCreate(testTrigger)
panicIf(err)
defer g.client.HTTPTriggerDelete(m2)
ts, err := g.client.HTTPTriggerList()
panicIf(err)
assert(len(ts) == 2, fmt.Sprintf("created two triggers, but found %v", len(ts)))
}
func TestEnvironmentApi(t *testing.T) {
testEnv := &crd.Environment{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.EnvironmentSpec{
Runtime: fission.Runtime{
Image: "gcr.io/xyz",
},
},
}
_, err := g.client.EnvironmentGet(&metav1.ObjectMeta{
Name: testEnv.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "environment")
m, err := g.client.EnvironmentCreate(testEnv)
panicIf(err)
defer g.client.EnvironmentDelete(m)
_, err = g.client.EnvironmentCreate(testEnv)
assertNameReuseFailure(err, "environment")
e, err := g.client.EnvironmentGet(m)
panicIf(err)
assert(testEnv.Spec == e.Spec, "env should match after reading")
testEnv.Metadata.ResourceVersion = m.ResourceVersion
testEnv.Spec.Runtime.Image = "another-img"
_, err = g.client.EnvironmentUpdate(testEnv)
panicIf(err)
testEnv.Metadata.ResourceVersion = ""
testEnv.Metadata.Name = "bar"
m2, err := g.client.EnvironmentCreate(testEnv)
panicIf(err)
defer g.client.EnvironmentDelete(m2)
ts, err := g.client.EnvironmentList()
panicIf(err)
assert(len(ts) == 2, fmt.Sprintf("created two envs, but found %v", len(ts)))
}
func TestWatchApi(t *testing.T) {
testWatch := &crd.KubernetesWatchTrigger{
Metadata: metav1.ObjectMeta{
Name: "xxx",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.KubernetesWatchTriggerSpec{
Namespace: "default",
Type: "pod",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "foo",
},
},
}
_, err := g.client.WatchGet(&metav1.ObjectMeta{
Name: testWatch.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "watch")
m, err := g.client.WatchCreate(testWatch)
panicIf(err)
defer g.client.WatchDelete(m)
_, err = g.client.WatchCreate(testWatch)
assertNameReuseFailure(err, "watch")
w, err := g.client.WatchGet(m)
panicIf(err)
assert((testWatch.Spec.Namespace == w.Spec.Namespace &&
testWatch.Spec.Type == w.Spec.Type &&
testWatch.Spec.FunctionReference == w.Spec.FunctionReference), "watch should match after reading")
testWatch.Metadata.Name = "yyy"
m2, err := g.client.WatchCreate(testWatch)
panicIf(err)
defer g.client.WatchDelete(m2)
ws, err := g.client.WatchList()
panicIf(err)
assert(len(ws) == 2, fmt.Sprintf("created two watches, but found %v", len(ws)))
}
func TestTimeTriggerApi(t *testing.T) {
testTrigger := &crd.TimeTrigger{
Metadata: metav1.ObjectMeta{
Name: "xxx",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.TimeTriggerSpec{
Cron: "0 30 * * * *",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "asdf",
},
},
}
_, err := g.client.TimeTriggerGet(&metav1.ObjectMeta{Name: testTrigger.Metadata.Name})
assertNotFoundFailure(err, "trigger")
m, err := g.client.TimeTriggerCreate(testTrigger)
panicIf(err)
defer g.client.TimeTriggerDelete(m)
_, err = g.client.TimeTriggerCreate(testTrigger)
assertNameReuseFailure(err, "trigger")
tr, err := g.client.TimeTriggerGet(m)
panicIf(err)
assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
testTrigger.Metadata.ResourceVersion = m.ResourceVersion
testTrigger.Spec.Cron = "@hourly"
_, err = g.client.TimeTriggerUpdate(testTrigger)
panicIf(err)
testTrigger.Metadata.ResourceVersion = ""
testTrigger.Metadata.Name = "yyy"
testTrigger.Spec.Cron = "Not valid cron spec"
_, err = g.client.TimeTriggerCreate(testTrigger)
assertCronSpecFails(err)
ts, err := g.client.TimeTriggerList()
panicIf(err)
assert(len(ts) == 1, fmt.Sprintf("created two time triggers, but found %v", len(ts)))
}
func TestMain(m *testing.M) {
flag.Parse()
// skip test if no cluster available for testing
kubeconfig := os.Getenv("KUBECONFIG")
if len(kubeconfig) == 0 {
log.Println("Skipping test, no kubernetes cluster")
return
}
go Start(8888)
time.Sleep(5 * time.Second)
g.client = client.MakeClient("http://localhost:8888")
resp, err := http.Get("http://localhost:8888/")
panicIf(err)
assert(resp.StatusCode == 200, "http get status code on root")
var found bool = false
for _, b := range resp.Header["Content-Type"] {
if b == "application/json; charset=utf-8" {
found = true
}
}
assert(found, "incorrect response content type")
_, err = ioutil.ReadAll(resp.Body)
panicIf(err)
os.Exit(m.Run())
}