linkerd2/test/get/get_test.go

103 lines
2.4 KiB
Go

package get
import (
"fmt"
"io/ioutil"
"os"
"reflect"
"regexp"
"sort"
"strings"
"testing"
"github.com/runconduit/conduit/testutil"
)
//////////////////////
/// TEST SETUP ///
//////////////////////
var TestHelper *testutil.TestHelper
func TestMain(m *testing.M) {
TestHelper = testutil.NewTestHelper()
os.Exit(m.Run())
}
//////////////////////
/// TEST EXECUTION ///
//////////////////////
func TestCliGet(t *testing.T) {
out, err := TestHelper.ConduitRun("inject", "testdata/to_be_injected_application.yaml")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
prefixedNs := TestHelper.GetTestNamespace("get-test")
out, err = TestHelper.KubectlApply(out, prefixedNs)
if err != nil {
t.Fatalf("Unexpected error: %v output:\n%s", err, out)
}
bytes, err := ioutil.ReadFile("testdata/not_to_be_injected_application.yaml")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
out, err = TestHelper.KubectlApply(string(bytes), prefixedNs)
if err != nil {
t.Fatalf("Unexpected error: %v output:\n%s", err, out)
}
out, err = TestHelper.ConduitRun("get", "pods")
if err != nil {
t.Fatalf("Unexpected error: %v output:\n%s", err, out)
}
lines := strings.Split(out, "\n")
if len(lines) == 0 {
t.Fatal("Expecting conduit get pods to return something, got nothing")
}
expectedPods := []string{
"cli-get-test-d1", "cli-get-test-not-injected-d1", "cli-get-test-not-injected-d1", "cli-get-test-not-injected-d2", "cli-get-test-d1", "cli-get-test-d2",
}
var actualPods []string
for _, line := range lines {
sanitizedLine := strings.TrimSpace(line)
if sanitizedLine == "" {
continue
}
ns, pod, err := TestHelper.ParseNamespacedResource(sanitizedLine)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
if ns == prefixedNs {
podPrefix, err := parsePodPrefix(pod)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
actualPods = append(actualPods, podPrefix)
}
}
sort.Strings(expectedPods)
sort.Strings(actualPods)
if !reflect.DeepEqual(expectedPods, actualPods) {
t.Fatalf("Expected conduit get to return:\n%v\nBut got:\n%v\nRaw output:\n%s", expectedPods, actualPods, out)
}
}
func parsePodPrefix(pod string) (string, error) {
r := regexp.MustCompile("^(.+)-.+-.+$")
matches := r.FindAllStringSubmatch(pod, 1)
if len(matches) == 0 {
return "", fmt.Errorf("string [%s] didn't contain expected format for pod name, extracted: %v", pod, matches)
}
return matches[0][1], nil
}