Tests: automatically fetch Vader if needed

.travis.yml

@@ -4,7 +4,7 @@ before_script: |
   git clone https://github.com/junegunn/vader.vim.git
 
 script: |
-  vim --nofork -XNu <(cat << EOF
+  vim -XNu <(cat << EOF
   filetype off
   set runtimepath+=vader.vim
   set runtimepath+=.

test/run

@@ -1,10 +1,12 @@
 #!/usr/bin/env bash
 
-vim --nofork -XNu <(cat << EOF
-filetype off
-set runtimepath+=~/.vim/bundle/vader.vim
-set runtimepath+=..
-filetype plugin on
-syntax enable
-set hidden
-EOF) +Vader*
+vader="${HOME}/.vim/*bundle*/vader.vim"
+
+if [ -d $vader ]; then
+    [[ ! -L vader.vim ]] && ln -s $vader
+else
+    git clone https://github.com/junegunn/vader.vim.git
+fi
+
+echo '(Be patient.. testing can take a while.)'
+vim -XNu vimrc -i NONE -c 'Vader! *' >/dev/null

test/tests.vader

@@ -21,3 +21,10 @@ Do (open new buffer in normal mode with 'e'):
   eibar
 Expect (only "bar"):
   bar
+
+Given:
+  quux
+Do (quit startify buffer via 'q'):
+  q
+Expect:
+  quux