Add bats unit testing to repository

Will recursively look for `*.bats` files and run them with bats-core test suite. Simple sample unit tests for existing scripts are included in `.config/shell/rc.d/test`.

.config/nvim/init.vim

@@ -64,6 +64,7 @@ Plug 'stephpy/vim-yaml'
 Plug 'mhartington/nvim-typescript', {'for': 'typescript','do': './install.sh'}
 Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
 Plug 'deoplete-plugins/deoplete-go', { 'do': 'make'}
+Plug 'aliou/bats.vim'
 
 " HTML Workflow
 Plug 'valloric/matchtagalways', { 'on': [] }

.config/shell/rc.d/env-wiki-root.sh

@@ -2,4 +2,4 @@
 
 # set wiki root to nextcloud notes folder,
 # will be picked up by vim wiki plugin as root
-export WIKIROOT="$HOME/Nextcloud/Notes/"
+export WIKIROOT=${WIKIROOT:-"$HOME/Nextcloud/Notes/"}

.config/shell/rc.d/test/env-wiki-root.bats

@@ -0,0 +1,23 @@
+setup() {
+  testfile="$BATS_TEST_DIRNAME/../env-wiki-root.sh"
+}
+
+teardown() {
+  export WIKIROOT=""
+}
+
+@test "Populates WIKIROOT environment variable" {
+  source $testfile
+  [ -n "$WIKIROOT" ]
+}
+
+@test "Sets WIKIROOT to correct default path" {
+  source $testfile
+  [ "$WIKIROOT" = "$HOME/Nextcloud/Notes/" ]
+}
+
+@test "Leaves WIKIROOT as is if it is already set" {
+  export WIKIROOT="MY/CUSTOM/DIR"
+  source $testfile
+  [ "$WIKIROOT" = "MY/CUSTOM/DIR" ]
+}

.config/shell/rc.d/test/locale-utf-8.bats

@@ -0,0 +1,15 @@
+setup() {
+  testfile="$BATS_TEST_DIRNAME/../locale-utf-8.sh"
+}
+
+teardown() {
+  export LC_ALL=""
+  export LANG=""
+}
+
+@test "Sets LC_ALL and LANG to en_US.utf-8" {
+  source $testfile
+  expected="en_US.utf-8"
+  [ "$LC_ALL" = "en_US.utf-8" ]
+  [ "$LANG" = "en_US.utf-8" ]
+}

.gitlab-ci.yml

@@ -24,3 +24,13 @@ lint:
     - find . -type f -name '*.sh' | xargs shfmt -d -i 2
     - echo "--------- CHECKING ZSH SHELLSCRIPTS -------------"
     - find . -type f -name '*.zsh' | xargs shfmt -d -i 2
+
+test:
+  stage: test
+  image: alpine
+  before_script:
+    - apk add git bash
+    - git clone https://github.com/bats-core/bats-core.git /bats
+    - /bats/bin/bats --version
+  script:
+    - /bats/bin/bats -r .