core: run rclone as mount helper - #5594

fs/mount_helper_test.go

@@ -0,0 +1,53 @@
+package fs
+
+import (
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMountHelperArgs(t *testing.T) {
+	type testCase struct {
+		src []string
+		dst []string
+		env string
+		err string
+	}
+	normalCases := []testCase{{
+		src: []string{},
+		dst: []string{"mount", "--daemon"},
+	}, {
+		src: []string{"-o", `x-systemd.automount,vvv,env.HTTPS_PROXY="a b;c,d?EF",ro,rw,args2env`},
+		dst: []string{"mount", "--read-only", "--verbose=3", "--daemon"},
+		env: "HTTPS_PROXY=a b;c,d?EF",
+	}}
+
+	for _, tc := range normalCases {
+		exe := []string{"rclone"}
+		src := append(exe, tc.src...)
+		res, err := convertMountHelperArgs(src)
+
+		if tc.err != "" {
+			require.Error(t, err)
+			assert.Contains(t, err.Error(), tc.err)
+			continue
+		}
+
+		require.NoError(t, err)
+		require.Greater(t, len(res), 1)
+		assert.Equal(t, exe[0], res[0])
+		dst := res[1:]
+
+		//log.Printf("%q -> %q", tc.src, dst)
+		assert.Equal(t, tc.dst, dst)
+
+		if tc.env != "" {
+			idx := strings.Index(tc.env, "=")
+			name, value := tc.env[:idx], tc.env[idx+1:]
+			assert.Equal(t, value, os.Getenv(name))
+		}
+	}
+}