saving new turn

pkg/repo/fs/fs_test.go

@@ -33,6 +33,27 @@ func TestLock(t *testing.T) {
 	assert.False(t, exists, "lock file must be removed")
 }
 
+func TestExist(t *testing.T) {
+	root, cleanup := createWorkDir(t)
+	defer cleanup()
+
+	fileName := "some-file.ext"
+	if err := os.WriteFile(filepath.Join(root, fileName), []byte{1, 2, 3, 4}, os.ModePerm); err != nil {
+		t.Fatal(err)
+	}
+
+	fs, err := NewFileStorage(root)
+	assert.NoError(t, err, "create file storage")
+
+	exist, err := fs.Exist(fileName)
+	assert.NoError(t, err)
+	assert.True(t, exist)
+
+	exist, err = fs.Exist("random/path")
+	assert.NoError(t, err)
+	assert.False(t, exist)
+}
+
 func TestWrite(t *testing.T) {
 	root, cleanup := createWorkDir(t)
 	defer cleanup()