Improve clock performance

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Fix typo "to has been called"
 - Add weekly downloads to the docs
+- Improve clock performance
 
 ## [0.20.0](https://github.com/TypedDevs/bashunit/compare/0.19.1...0.20.0) - 2025-06-01
 

src/clock.sh

@@ -31,11 +31,18 @@ function clock::now() {
   shell_time="$(clock::shell_time)"
   has_shell_time="$?"
   if [[ "$has_shell_time" -eq 0 ]]; then
-    local  seconds microseconds
-    seconds=$(echo "$shell_time" | cut -f 1 -d '.')
-    microseconds=$(echo "$shell_time" | cut -f 2 -d '.')
+    local seconds microseconds
+    if [[ "$shell_time" == *.* ]]; then
+      seconds="${shell_time%%.*}"
+      microseconds="${shell_time#*.}"
+      microseconds="$(echo "$microseconds" | sed 's/^0*//')"
+      microseconds="${microseconds:-0}"
+    else
+      seconds="$shell_time"
+      microseconds=0
+    fi
 
-    math::calculate "($seconds * 1000000000) + ($microseconds * 1000)"
+    echo $((seconds * 1000000000 + microseconds * 1000))
     return 0
   fi
 
@@ -52,7 +59,7 @@ function clock::shell_time() {
 function clock::total_runtime_in_milliseconds() {
   end_time=$(clock::now)
   if [[ -n $end_time ]]; then
-    math::calculate "($end_time-$_START_TIME)/1000000"
+    echo $(((end_time - _START_TIME)/1000000))
   else
     echo ""
   fi
@@ -61,7 +68,7 @@ function clock::total_runtime_in_milliseconds() {
 function clock::total_runtime_in_nanoseconds() {
   end_time=$(clock::now)
   if [[ -n $end_time ]]; then
-    math::calculate "($end_time-$_START_TIME)"
+    echo $((end_time - _START_TIME))
   else
     echo ""
   fi

src/env.sh

@@ -79,10 +79,10 @@ function env::active_internet_connection() {
 function env::find_terminal_width() {
   local cols=""
 
-  if [[ -z "$cols" ]] && command -v stty > /dev/null; then
+  if command -v tput > /dev/null; then
     cols=$(tput cols 2>/dev/null)
   fi
-  if [[ -n "$TERM" ]] && command -v tput > /dev/null; then
+  if [[ -z "$cols" ]] && command -v stty > /dev/null; then
     cols=$(stty size 2>/dev/null | cut -d' ' -f2)
   fi
 

tests/unit/directory_test.sh

@@ -111,7 +111,8 @@ function test_unsuccessful_assert_is_directory_readable_when_a_file_is_given() {
 }
 
 function test_unsuccessful_assert_is_directory_readable_without_execution_permission() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+    skip "permission checks unreliable as root"
     return
   fi
 
@@ -126,7 +127,8 @@ function test_unsuccessful_assert_is_directory_readable_without_execution_permis
 }
 
 function test_unsuccessful_assert_is_directory_readable_without_read_permission() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+      skip "permission checks unreliable as root"
       return
   fi
 
@@ -141,7 +143,8 @@ function test_unsuccessful_assert_is_directory_readable_without_read_permission(
 }
 
 function test_successful_assert_is_directory_not_readable_without_read_permission() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+      skip "permission checks unreliable as root"
       return
   fi
 
@@ -152,7 +155,8 @@ function test_successful_assert_is_directory_not_readable_without_read_permissio
 }
 
 function test_successful_assert_is_directory_not_readable_without_execution_permission() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+      skip "permission checks unreliable as root"
       return
   fi
 
@@ -178,7 +182,8 @@ function test_successful_assert_is_directory_writable() {
 }
 
 function test_unsuccessful_assert_is_directory_writable() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+      skip "permission checks unreliable as root"
       return
   fi
 
@@ -202,7 +207,8 @@ function test_unsuccessful_assert_is_directory_writable_when_a_file_is_given() {
 }
 
 function test_successful_assert_is_directory_not_writable() {
-  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" ]]; then
+  if [[ "$_OS" == "Windows" || $_DISTRO = "Alpine" || $(id -u) -eq 0 ]]; then
+      skip "permission checks unreliable as root"
       return
   fi