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81 lines
1.6 KiB
81 lines
1.6 KiB
package testutil
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"os/exec"
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"testing"
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"time"
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)
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func HasDocker() bool {
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cmd := exec.Command("docker", "version")
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return cmd.Run() == nil
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}
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func MustFreePortPair(t *testing.T, name string) (int, int) {
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httpPort, grpcPort, err := findAvailablePortPair()
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if err != nil {
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t.Fatalf("Failed to get free port pair for %s: %v", name, err)
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}
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return httpPort, grpcPort
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}
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func findAvailablePortPair() (int, int, error) {
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httpPort, err := GetFreePort()
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if err != nil {
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return 0, 0, err
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}
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grpcPort, err := GetFreePort()
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if err != nil {
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return 0, 0, err
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}
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return httpPort, grpcPort, nil
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}
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func GetFreePort() (int, error) {
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listener, err := net.Listen("tcp", "0.0.0.0:0")
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if err != nil {
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return 0, err
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}
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defer listener.Close()
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return listener.Addr().(*net.TCPAddr).Port, nil
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}
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func WaitForService(url string, timeout time.Duration) bool {
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client := &http.Client{Timeout: 2 * time.Second}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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ticker := time.NewTicker(500 * time.Millisecond)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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return false
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case <-ticker.C:
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resp, err := client.Get(url)
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if err == nil {
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resp.Body.Close()
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return true
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}
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}
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}
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}
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func WaitForPort(port int, timeout time.Duration) bool {
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deadline := time.Now().Add(timeout)
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address := fmt.Sprintf("127.0.0.1:%d", port)
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for time.Now().Before(deadline) {
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conn, err := net.DialTimeout("tcp", address, 500*time.Millisecond)
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if err == nil {
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_ = conn.Close()
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return true
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}
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time.Sleep(100 * time.Millisecond)
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}
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return false
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}
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