mirror of
https://github.com/argoproj/argo-cd.git
synced 2026-02-20 01:28:45 +01:00
139 lines
3.1 KiB
Go
139 lines
3.1 KiB
Go
package test
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net"
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"os"
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"testing"
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"time"
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log "github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/client-go/tools/cache"
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"sigs.k8s.io/yaml"
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"github.com/argoproj/argo-cd/v3/pkg/apis/application/v1alpha1"
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)
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// StartInformer is a helper to start an informer, wait for its cache to sync and return a cancel func
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func StartInformer(informer cache.SharedIndexInformer) context.CancelFunc {
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ctx, cancel := context.WithCancel(context.Background())
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go informer.Run(ctx.Done())
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if !cache.WaitForCacheSync(ctx.Done(), informer.HasSynced) {
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log.Fatal("Timed out waiting for informer cache to sync")
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}
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return cancel
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}
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// GetFreePort finds an available free port on the OS
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func GetFreePort() (int, error) {
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lc := &net.ListenConfig{}
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ln, err := lc.Listen(context.Background(), "tcp", "[::]:0")
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if err != nil {
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return 0, err
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}
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return ln.Addr().(*net.TCPAddr).Port, ln.Close()
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}
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// WaitForPortListen waits until the given address is listening on the port
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func WaitForPortListen(addr string, timeout time.Duration) error {
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ticker := time.NewTicker(100 * time.Millisecond)
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defer ticker.Stop()
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timer := time.NewTimer(timeout)
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if timeout == 0 {
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timer.Stop()
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} else {
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defer timer.Stop()
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}
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for {
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select {
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case <-ticker.C:
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if portIsOpen(addr) {
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return nil
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}
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case <-timer.C:
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return fmt.Errorf("timeout after %s", timeout.String())
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}
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}
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}
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func portIsOpen(addr string) bool {
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d := &net.Dialer{}
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conn, err := d.DialContext(context.Background(), "tcp", addr)
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if err != nil {
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return false
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}
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_ = conn.Close()
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return true
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}
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// Read the contents of a file and returns it as string. Panics on error.
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func MustLoadFileToString(path string) string {
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o, err := os.ReadFile(path)
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if err != nil {
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panic(err.Error())
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}
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return string(o)
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}
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func YamlToUnstructured(yamlStr string) *unstructured.Unstructured {
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obj := make(map[string]any)
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err := yaml.Unmarshal([]byte(yamlStr), &obj)
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if err != nil {
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panic(err)
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}
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return &unstructured.Unstructured{Object: obj}
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}
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func YamlToApplication(yamlStr string) *v1alpha1.Application {
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app := v1alpha1.Application{}
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err := yaml.Unmarshal([]byte(yamlStr), &app)
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if err != nil {
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panic(err)
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}
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return &app
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}
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// ToMap converts any object to a map[string]any
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func ToMap(obj any) map[string]any {
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data, err := json.Marshal(obj)
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if err != nil {
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panic(err)
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}
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var res map[string]any
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err = json.Unmarshal(data, &res)
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if err != nil {
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panic(err)
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}
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return res
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}
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// GetTestDir will return the full directory path of the
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// calling test file.
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func GetTestDir(t *testing.T) string {
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t.Helper()
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cwd, err := os.Getwd()
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if err != nil {
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t.Fatal(err)
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}
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return cwd
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}
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// CaptureLogEntries captures log entries generated by the logger and return it as string
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func CaptureLogEntries(run func()) string {
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f := log.StandardLogger().Formatter
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log.SetFormatter(&log.TextFormatter{DisableColors: true})
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defer log.SetFormatter(f)
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output := bytes.NewBuffer(nil)
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log.SetOutput(output)
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log.SetLevel(log.DebugLevel)
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defer log.SetOutput(os.Stdout)
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run()
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return output.String()
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}
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