linkerd2/cli/cmd/metrics_diagnostics_util_te...

101 lines
2.3 KiB
Go

package cmd
import (
"context"
"errors"
"fmt"
"io/ioutil"
"os"
"testing"
"github.com/linkerd/linkerd2/pkg/k8s"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestGetAllContainersWithPort(t *testing.T) {
tests := []struct {
ns string
name string
k8sConfigs []string
err error
}{
{
"pod-ns",
"pod-name",
[]string{`apiVersion: v1
kind: Pod
metadata:
name: pod-name
namespace: pod-ns
status:
phase: Stopped
spec:
containers:
- name: linkerd-proxy
ports:
- name: linkerd-admin
port: 123`,
},
errors.New("pod not running: pod-name"),
},
}
ctx := context.Background()
for i, test := range tests {
test := test // pin
t.Run(fmt.Sprintf("%d: getAllContainersWithPort returns expected result", i), func(t *testing.T) {
k8sClient, err := k8s.NewFakeAPI(test.k8sConfigs...)
if err != nil {
t.Fatalf("Unexpected error %s", err)
}
pod, err := k8sClient.CoreV1().Pods(test.ns).Get(ctx, test.name, metav1.GetOptions{})
if err != nil {
t.Fatalf("Unexpected error %s", err)
}
_, err = getAllContainersWithPort(*pod, "admin-http")
if err != nil || test.err != nil {
if (err == nil && test.err != nil) ||
(err != nil && test.err == nil) ||
(err.Error() != test.err.Error()) {
t.Fatalf("Unexpected error (Expected: %s, Got: %s)", test.err, err)
}
}
})
}
}
func Test_obfuscateMetrics(t *testing.T) {
tests := []struct {
inputFileName string
goldenFileName string
wantErr bool
}{
{
inputFileName: "obfuscate-diagnostics-proxy-metrics.input",
goldenFileName: "obfuscate-diagnostics-proxy-metrics.golden",
wantErr: false,
},
}
for i, tc := range tests {
tc := tc
t.Run(fmt.Sprintf("%d: %s", i, tc.inputFileName), func(t *testing.T) {
file, err := os.Open("testdata/" + tc.inputFileName)
if err != nil {
t.Errorf("error opening test input file: %v\n", err)
}
fileBytes, err := ioutil.ReadAll(file)
if err != nil {
t.Errorf("error reading test input file: %v\n", err)
}
got, err := obfuscateMetrics(fileBytes)
if (err != nil) != tc.wantErr {
t.Errorf("obfuscateMetrics() error = %v, wantErr %v", err, tc.wantErr)
return
}
testDataDiffer.DiffTestdata(t, tc.goldenFileName, string(got))
})
}
}