oh-my-fish.fish tests

test/helper.fish

+set -l fish_tank /usr/local/share/fish-tank/tank.fish
+if not test -e $fish_tank
+  echo 'error: fish-tank is required to run these tests (https://github.com/terlar/fish-tank)'
+  exit 1
+end
+
+source $fish_tank

test/test_oh-my-fish.fish

+function suite_oh-my-fish
+  function setup
+    set -g fish_custom_bak $fish_custom
+    set -g fish_function_path_bak $fish_function_path
+    set -g fish_plugins_bak $fish_plugins
+  end
+
+  function teardown
+    set fish_custom $fish_custom_bak
+    set fish_function_path $fish_function_path_bak
+    set fish_plugins $fish_plugins_bak
+  end
+
+  #
+  # tests
+  #
+
+  function test_default_custom_folder
+    set -e fish_custom
+    load_oh_my_fish
+    assert_equal ~/.oh-my-fish/custom $fish_custom
+  end
+
+  function test_custom_folder
+    set fish_custom /tmp
+    load_oh_my_fish
+    assert_equal /tmp $fish_custom
+  end
+
+  function test_load_custom_files
+    set fish_custom /tmp
+    echo 'set -gx TEST_LOAD_CUSTOM_FILE test_load' > $fish_custom/test.load
+    load_oh_my_fish
+    assert_equal test_load $TEST_LOAD_CUSTOM_FILE
+  end
+
+  function test_oh_my_fish_functions
+    remove_from_array "$fish_path/functions/" fish_function_path
+    load_oh_my_fish
+    assert_includes $fish_path/functions/ $fish_function_path
+  end
+
+  function test_oh_my_fish_plugins
+    remove_from_array "$fish_path/plugins/z" fish_function_path
+    set fish_plugins z
+    load_oh_my_fish
+    assert_includes $fish_path/plugins/z $fish_function_path
+  end
+
+  function test_oh_my_fish_themes
+    remove_from_array "$fish_path/themes/l" fish_function_path
+    set fish_theme l
+    load_oh_my_fish
+    assert_includes $fish_path/themes/l $fish_function_path
+  end
+
+  #
+  # helper functions
+  #
+
+  function load_oh_my_fish
+    . $fish_path/oh-my-fish.fish
+  end
+
+  function remove_from_array
+    set -l element $argv[1]
+
+    for i in (seq (count $$argv[2]))
+      if test $$argv[2][$i] = $element
+        set -e $argv[2][$i]
+        break
+      end
+    end
+  end
+end
+
+if not set -q tank_running
+  source (dirname (status -f))/helper.fish
+  tank_run
+end