return exit status based on number of failed commands, 0 means all passed

.hastest.bats

@@ -1,19 +1,22 @@
 #!/usr/bin/env bats
 
 @test "works with single command check" {
-    result=$(bash has git)
+  run bash has git
 
-   [[ $result == *"✔ git"* ]]
+  [ "$status" -eq 0 ]
+  [[ $output == *"✔ git"* ]]
 }
 
 @test "safely tells about tools not configured" {
-    result=$(bash has something-missing)
+  run bash has something-missing
 
-   [[ $result == *"✘ something-missing not understood"* ]]
+  [ "$status" -eq 1 ]
+  [[ $output == *"✘ something-missing not understood"* ]]
 }
 
-@test "env lets override safety check" {
-    result=$(HAS_ALLOW_UNSAFE=y bash has something-missing)
+@test "env var lets override safety check" {
+  HAS_ALLOW_UNSAFE=y run bash has something-missing
 
-   [[ $result == *"✘ something-missing"* ]]
+  [ "$status" -eq 1 ]
+  [[ $output == *"✘ something-missing"* ]]
 }

has

@@ -6,6 +6,9 @@ set -o pipefail
 PASS='✔'
 FAIL='✘'
 
+OK=0
+KO=0
+
 REGEX_SIMPLE_VERSION="([[:digit:]]+\.?){2,3}"
 
 __dynamic_detect(){
@@ -85,19 +88,21 @@ __detect(){
   if [ "$status" -eq "-1" ]; then
 
     echo ${FAIL} ${command} "not understood"
-
-  elif [ $status -eq 127 ]; then
+    KO=$(($KO+1))
+  elif [ ${status} -eq 127 ]; then
 
     echo ${FAIL} ${command}
-
+    KO=$(($KO+1))
   elif [ ${status} -eq 0 ]; then
 
     echo ${PASS} ${command} ${version}
-
+    OK=$(($OK+1))
   else
 
     echo ${PASS} ${command}
+    OK=$(($OK+1))
   fi
+
 }
 
 
@@ -116,6 +121,8 @@ else
       __detect $cmd
   done
 
+#  echo  ${OK} / $(($OK+$KO))
+  exit ${KO}
 fi