add-ut-for-legacyLogSymlink

pkg/kubelet/kuberuntime/legacy_test.go

@@ -45,3 +45,14 @@ func TestLogSymLink(t *testing.T) {
 	expectedPath := path.Join(containerLogsDir, fmt.Sprintf("%s_%s-%s", podFullName, containerName, dockerId)[:251]+".log")
 	as.Equal(expectedPath, logSymlink(containerLogsDir, podFullName, containerName, dockerId))
 }
+
+func TestLegacyLogSymLink(t *testing.T) {
+	as := assert.New(t)
+	containerID := randStringBytes(80)
+	containerName := randStringBytes(70)
+	podName := randStringBytes(128)
+	podNamespace := randStringBytes(10)
+	// The file name cannot exceed 255 characters. Since .log suffix is required, the prefix cannot exceed 251 characters.
+	expectedPath := path.Join(legacyContainerLogsDir, fmt.Sprintf("%s_%s_%s-%s", podName, podNamespace, containerName, containerID)[:251]+".log")
+	as.Equal(expectedPath, legacyLogSymlink(containerID, containerName, podName, podNamespace))
+}