116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 discoverysummarizer
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import (
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"fmt"
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"net/http"
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"testing"
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"time"
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"k8s.io/kubernetes/cmd/kube-aggregator/pkg/legacy"
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"k8s.io/kubernetes/examples/apiserver"
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)
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func waitForServerUp(serverURL string) error {
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for start := time.Now(); time.Since(start) < time.Minute; time.Sleep(5 * time.Second) {
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_, err := http.Get(serverURL)
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if err == nil {
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return nil
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}
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}
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return fmt.Errorf("waiting for server timed out")
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}
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func testResponse(t *testing.T, serverURL, path string, expectedStatusCode int) {
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response, err := http.Get(serverURL + path)
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if err != nil {
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t.Errorf("unexpected error in GET %s: %v", path, err)
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}
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if response.StatusCode != expectedStatusCode {
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t.Errorf("unexpected status code: %v, expected: %v", response.StatusCode, expectedStatusCode)
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}
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}
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func runDiscoverySummarizer(t *testing.T) string {
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configFilePath := "../../../cmd/kube-aggregator/config.json"
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port := "9090"
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serverURL := "http://localhost:" + port
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s, err := legacy.NewDiscoverySummarizer(configFilePath)
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if err != nil {
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t.Errorf("unexpected error: %v\n", err)
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}
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go func() {
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if err := s.Run(port); err != nil {
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t.Fatalf("error in bringing up the server: %v", err)
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}
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}()
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if err := waitForServerUp(serverURL); err != nil {
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t.Fatalf("%v", err)
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}
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return serverURL
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}
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func runAPIServer(t *testing.T, stopCh <-chan struct{}) string {
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serverRunOptions := apiserver.NewServerRunOptions()
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// Change the ports, because otherwise it will fail if examples/apiserver/apiserver_test and this are run in parallel.
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serverRunOptions.SecureServing.ServingOptions.BindPort = 6443 + 3
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serverRunOptions.InsecureServing.BindPort = 8080 + 3
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go func() {
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if err := serverRunOptions.Run(stopCh); err != nil {
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t.Fatalf("Error in bringing up the example apiserver: %v", err)
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}
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}()
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serverURL := fmt.Sprintf("http://localhost:%d", serverRunOptions.InsecureServing.BindPort)
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if err := waitForServerUp(serverURL); err != nil {
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t.Fatalf("%v", err)
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}
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return serverURL
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}
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// Runs a discovery summarizer server and tests that all endpoints work as expected.
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func TestRunDiscoverySummarizer(t *testing.T) {
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discoveryURL := runDiscoverySummarizer(t)
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// Test /api path.
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// There is no server running at that URL, so we will get a 500.
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testResponse(t, discoveryURL, "/api", http.StatusBadGateway)
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// Test /apis path.
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// There is no server running at that URL, so we will get a 500.
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testResponse(t, discoveryURL, "/apis", http.StatusBadGateway)
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// Test a random path, which should give a 404.
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testResponse(t, discoveryURL, "/randomPath", http.StatusNotFound)
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// Run the APIServer now to test the good case.
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stopCh := make(chan struct{})
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runAPIServer(t, stopCh)
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defer close(stopCh)
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// Test /api path.
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// There is no server running at that URL, so we will get a 500.
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testResponse(t, discoveryURL, "/api", http.StatusOK)
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// Test /apis path.
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// There is no server running at that URL, so we will get a 500.
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testResponse(t, discoveryURL, "/apis", http.StatusOK)
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// Test a random path, which should give a 404.
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testResponse(t, discoveryURL, "/randomPath", http.StatusNotFound)
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}
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