test(refactor): switch to bashunit and start fleshing out a new test suite

lib/layout-helpers.sh

@@ -300,7 +300,7 @@ initialize_session() {
   # Tmux 1.8 and earlier.
   if [ "$(tmuxifier-tmux-version "1.9")" == "<" ]; then
     # Create the new session.
-    env TMUX="" tmuxifier-tmux new-session -d -s "$session"
+    TMUX="" tmuxifier-tmux new-session -d -s "$session"
 
     # Set default-path for session
     if [ -n "$session_root" ] && [ -d "$session_root" ]; then
@@ -317,7 +317,7 @@ initialize_session() {
       local session_args=(-c "$session_root")
     fi
 
-    env TMUX="" tmuxifier-tmux new-session \
+    TMUX="" tmuxifier-tmux new-session \
       -d -s "$session" "${session_args[@]}"
   fi
 
@@ -362,7 +362,7 @@ finalize_and_go_to_session() {
 #   /Users/jimeh/Projects
 #
 __expand_path() {
-  echo $(eval echo "$@")
+  eval echo "$*"
 }
 
 __get_first_window_index() {

lib/util.sh

@@ -1,11 +1,79 @@
+# Check if --help or -h flag is present in arguments.
+#
+# Usage:
+#   calling-help "$@" && { show_help; exit 0; }
+#
+# Arguments:
+#   $@ - Command-line arguments to check
+#
+# Returns:
+#   0 - If --help or -h is present as a standalone argument
+#   1 - Otherwise
 calling-help() {
   if [[ " $* " != *" --help "* ]] && [[ " $* " != *" -h "* ]]; then
     return 1
   fi
 }
 
+# Check if --complete flag is present in arguments.
+#
+# Used to detect when shell completion is requesting completions.
+#
+# Usage:
+#   calling-complete "$@" && { generate_completions; exit 0; }
+#
+# Arguments:
+#   $@ - Command-line arguments to check
+#
+# Returns:
+#   0 - If --complete is present as a standalone argument
+#   1 - Otherwise
 calling-complete() {
   if [[ " $* " != *" --complete "* ]]; then
     return 1
   fi
 }
+
+# Compare two dot-separated version strings.
+#
+# Based on: http://stackoverflow.com/a/4025065/42146
+#
+# Usage:
+#   vercomp "1.9.0" "1.10.0"
+#   case $? in
+#     0) echo "equal" ;;
+#     1) echo "first is greater" ;;
+#     2) echo "second is greater" ;;
+#   esac
+#
+# Arguments:
+#   $1 - First version string (e.g., "1.2.3")
+#   $2 - Second version string (e.g., "1.2.4")
+#
+# Returns:
+#   0 - Versions are equal
+#   1 - First version is greater than second
+#   2 - First version is less than second
+vercomp() {
+  if [[ "$1" == "$2" ]]; then return 0; fi
+
+  local IFS=. i
+  local -a ver1 ver2
+  read -ra ver1 <<< "$1"
+  read -ra ver2 <<< "$2"
+
+  # Fill empty fields in ver1 with zeros
+  for ((i = ${#ver1[@]}; i < ${#ver2[@]}; i++)); do ver1[i]=0; done
+
+  for ((i = 0; i < ${#ver1[@]}; i++)); do
+    # Fill empty fields in ver2 with zeros
+    if [[ -z ${ver2[i]} ]]; then ver2[i]=0; fi
+
+    if ((10#${ver1[i]} > 10#${ver2[i]})); then
+      return 1
+    elif ((10#${ver1[i]} < 10#${ver2[i]})); then
+      return 2
+    fi
+  done
+  return 0
+}