make the test debugging script more robust

scripts/debug-test.sh

@@ -1,12 +1,22 @@
 #!/bin/bash
 
+# Function to select and debug a test
 function select_test() {
     test_suite="$1"
-    printf "\n\nGathering tests that fit the REGEX: ${test_suite} ...\n"
+
+    # Sanity Check If Tests Is Detected
+    printf "\n\nGathering tests that fit REGEX: ${test_suite} ...\n"
+    tests=($(ctest -R ${test_suite} -V -N | grep -E " +Test +#[0-9]+*" | cut -d':' -f2 | awk '{$1=$1};1'))
+    if [ ${#tests[@]} -eq 0 ]
+    then
+        echo "No tests avaliable ..."
+        echo "Exiting."
+        exit 1
+    fi
+
+    # List out avaliable tests
     printf "Which test would you like to debug?\n"
     id=0
-    tests=($(ctest -R ${test_suite} -V -N | grep "Test.\ #*" | cut -d':' -f2 | awk '{$1=$1};1'))
-    gdb_params=($(ctest -R test-tokenizer -V -N | grep "Test command" | cut -d':' -f3 | awk '{$1=$1};1'))
     for s in "${tests[@]}"
     do
         echo "Test# ${id}"
@@ -14,17 +24,34 @@ function select_test() {
         ((id++))
     done
 
+    # Prompt user which test they wanted to run
     printf "\nRun test#? "
     read n
 
-    printf "Debugging(GDB) test: ${tests[n]} ...\n\n"
-    test=${gdb_params[n*2]}
-    test_arg=$(echo ${gdb_params[n*2+1]} | sed -e 's/^.//' -e 's/.$//')
-    gdb --args ${test} ${test_arg}
+    # Start GDB with the requested test binary and arguments
+    printf "Debugging(GDB) test: ${tests[n]}\n"
+    # Change IFS (Internal Field Separator)
+    sIFS=$IFS
+    IFS=$'\n'
+
+    # Get test args
+    gdb_args=($(ctest -R ${test_suite} -V -N | grep "Test command" | cut -d':' -f3 | awk '{$1=$1};1' ))
+    IFS=$sIFS
+    printf "Debug arguments: ${gdb_args[n]}\n\n"
+
+    # Expand paths if needed
+    args=()
+    for x in $(echo ${gdb_args[n]} | sed -e 's/"\/\<//' -e 's/\>"//')
+    do
+        args+=($(echo $x | sed -e 's/.*\/..\//..\//'))
+    done
+
+    # Execute debugger
+    gdb --args ${args[@]}
 }
 
 # Step 0: Check the args
-if [ $# -ne 1 ] || [ $1 == "help"]
+if [ $# -ne 1 ] || [ "$1" = "help" ]
 then
     echo "Supply one regex to the script, e.g. test-tokenizer would\n"
     echo "return all the tests in files that match with test-tokenizer."
@@ -32,15 +59,24 @@ then
 fi
 
 # Step 1: Prepare the Build Environment
-pushd $(git rev-parse --show-toplevel)
-rm -rf build-ci-debug && mkdir build-ci-debug && pushd build-ci-debug
-cmake -DCMAKE_BUILD_TYPE=Debug -DLLAMA_CUDA=1 -DLLAMA_FATAL_WARNINGS=ON .. && popd
-make -j
-pushd tests
+
+## Sanity check that we are actually in a git repo
+repo_root=$(git rev-parse --show-toplevel)
+if [ ! -d "$repo_root" ]; then
+    echo "Error: Not in a Git repository."
+    exit 1
+fi
+
+## Build test binaries
+pushd "$repo_root" || exit 1
+rm -rf build-ci-debug && mkdir build-ci-debug && pushd build-ci-debug || exit 1
+cmake -DCMAKE_BUILD_TYPE=Debug -DLLAMA_CUDA=1 -DLLAMA_FATAL_WARNINGS=ON .. && popd || exit 1
+make -j || exit 1
+pushd tests || exit 1
 
 # Step 2: Debug the Test
-select_test $1
+select_test "$1"
 
 # Step 3: Return to the directory from which the user ran the command.
-popd
-popd
+popd || exit 1
+popd || exit 1