test via manual and $TEST

youtubedl/client.go

@@ -3,6 +3,7 @@ package youtubedl
 import (
 	"fmt"
 	"log"
+	"os"
 	"os/exec"
 	"path"
 )
@@ -15,6 +16,10 @@ func New() (*Client, error) {
 }
 
 func (c *Client) Download(video, local string) error {
+	if _, ok := os.LookupEnv("TEST"); ok {
+		log.Println("youtube-dl download", video, local)
+		return nil
+	}
 	errs := []error{}
 	for _, extras := range [][]string{
 		[]string{"--add-metadata", "--metadata-from-title", ".*[0-9]/[0-9][0-9] (?P<title>.+)"},

youtubedl/install.go

@@ -3,10 +3,14 @@ package youtubedl
 import (
 	"errors"
 	"log"
+	"os"
 	"os/exec"
 )
 
 func install() error {
+	if _, ok := os.LookupEnv("TEST"); ok {
+		return nil
+	}
 	if err := installPyPip3FFMPEG(); err != nil {
 		return err
 	}