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Add tests for passwdqc pwqgen
Signed-off-by: Zaiba Sanglikar <[email protected]>
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‎tests/test-pwqgen.sh‎

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#!/bin/sh
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#
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# Copyright (c) 2025 by Zaiba Sanglikar. See LICENSE.
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# This script tests the password generation utility pwqgen for
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# basic password generation , uniqueness, error handling ,password entropy
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# and config file parsing .
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if [ -t 1 ]; then
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# Colors for better visibility
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GREEN="$(printf "\033[0;32m")"
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RED="$(printf "\033[0;31m")"
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NC="$(printf "\033[0m")"
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else
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GREEN=''
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RED=''
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NC=''
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fi
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# Test function for password generation
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test_password_generation() {
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params="$1"
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expected="$2"
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description="$3"
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PWQGEN_BIN="$(dirname "$0")/../pwqgen"
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printf "Testing %s: " "$description"q
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if [ -z "$params" ]; then
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result=$("$PWQGEN_BIN" 2>&1)
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else
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result=$("$PWQGEN_BIN" $params 2>&1)
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fi
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exit_code=$?
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if [ "$expected" = "pass" -a "$exit_code" -eq 0 ] || \
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[ "$expected" = "fail" -a "$exit_code" -ne 0 ]; then
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printf "%sPASS%s\n" "$GREEN" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Result: %s\n\n" "$result"
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return 0
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else
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printf "%sFAIL%s\n" "$RED" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Expected: %s\n" "$expected"
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printf " Got exit code: %d\n" "$exit_code"
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printf " Output: %s\n\n" "$result"
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return 1
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fi
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}
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# Test function for password uniqueness
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test_password_uniqueness() {
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params="$1"
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description="$2"
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PWQGEN_BIN="$(dirname "$0")/../pwqgen"
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printf "Testing %s: " "$description"
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pass1=$("$PWQGEN_BIN" $params 2>&1)
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exit_code1=$?
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pass2=$("$PWQGEN_BIN" $params 2>&1)
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exit_code2=$?
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if [ $exit_code1 -eq 0 ] && [ $exit_code2 -eq 0 ] && [ "$pass1" != "$pass2" ]; then
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printf "%sPASS%s\n" "$GREEN" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Password 1: %s\n" "$pass1"
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printf " Password 2: %s\n\n" "$pass2"
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return 0
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else
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printf "%sFAIL%s\n" "$RED" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Passwords are identical or generation failed\n"
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printf " Password 1: %s\n" "$pass1"
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printf " Password 2: %s\n\n" "$pass2"
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return 1
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fi
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}
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# Function to test passphrase uniqueness for multiple iterations
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test_uniqueness() {
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i=0
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iterations=30
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duplicates=0
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while [ $i -lt $iterations ]; do
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pass=$($PWQGEN_BIN)
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# Store passwords in a temporary file
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if [ $i -eq 0 ]; then
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echo "$pass" > temp_passes.txt
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else
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# Check for duplicates
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if grep -Fxq "$pass" temp_passes.txt; then
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duplicates=$((duplicates + 1))
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fi
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echo "$pass" >> temp_passes.txt
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fi
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i=$((i + 1))
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done
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rm -f temp_passes.txt
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#check for the duplicate count
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if [ $duplicates -le 1 ]; then
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return 0
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else
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return 1
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fi
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}
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# Function to test if password contains different character classes
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test_password_entropy() {
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params="$1"
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description="$2"
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printf "Testing %s: " "$description"
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PWQGEN_BIN="$(dirname "$0")/../pwqgen"
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password=$("$PWQGEN_BIN" $params 2>&1)
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exit_code=$?
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# Check if the password has different character classes
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has_lower=$(printf "%s" "$password" | grep -q '[a-z]'; echo $?)
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has_upper=$(printf "%s" "$password" | grep -q '[A-Z]'; echo $?)
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has_digit=$(printf "%s" "$password" | grep -q '[0-9]'; echo $?)
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has_special=$(printf "%s" "$password" | grep -q '[^a-zA-Z0-9]'; echo $?)
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if [ "$has_lower" -eq 0 ] && [ "$has_upper" -eq 0 ] && \
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[ "$has_digit" -eq 0 ] && [ "$has_special" -eq 0 ]; then
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printf "%sPASS%s\n" "$GREEN" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Password: %s\n\n" "$password"
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return 0
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else
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printf "%sFAIL%s\n" "$RED" "$NC"
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printf " Parameters: %s\n" "${params:-'(none)'}"
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printf " Password doesn't contain all required character classes\n"
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printf " Password: %s\n\n" "$password"
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return 1
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fi
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}
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printf "Running Basic Password Generation Tests...\n"
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# Test Suite 1: Basic Generation
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printf "\nTesting Basic Password Generation:\n"
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test_password_generation "" "pass" "Default password generation"
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test_password_generation "random=64" "pass" "64-bit random password"
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test_password_generation "random=128" "pass" "128-bit random password"
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# Test Suite 2: Password Uniqueness
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printf "\nTesting Password Uniqueness:\n"
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test_password_uniqueness "" "Default password uniqueness"
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test_password_uniqueness "random=64" "64-bit random password uniqueness"
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test_password_uniqueness "random=128" "128-bit random password uniqueness"
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# Test Suite 3: Invalid Parameters
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printf "\nTesting Invalid Parameters:\n"
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test_password_generation "random=-1" "fail" "Negative random bits"
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test_password_generation "random=0" "fail" "Zero random bits"
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test_password_generation "random=999999" "fail" "Excessive random bits"
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test_password_generation "random=invalid" "fail" "Invalid random value"
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test_password_generation "random=abc" "fail" "Non-numeric random bits"
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test_password_generation "random=" "fail" "Empty random value"
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test_password_generation "random=1.5" "fail" "Decimal random bits"
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# Test Suite 4: Multiple Parameters
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printf "\nTesting Multiple Parameters:\n"
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test_password_generation "random=64 max=40" "pass" "Multiple valid parameters"
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test_password_generation "random=64 invalid=parameter" "fail" "Valid and invalid parameters"
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# Test Suite 5: Password uniqueness over multiple iterations
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printf "\nPassword uniqueness over multiple iterations\n"
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if test_uniqueness; then
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printf "%sPASS%s\n" "$GREEN" "$NC"
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else
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printf "%sFAIL%s\n" "$RED" "$NC"
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printf "Too many duplicate passphrases generated\n"
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fi
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# Test Suite 6: Test configuration files
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printf "\nTesting config files:\n"
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tmp_dir=$(mktemp -d)
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trap 'rm -rf "${tmp_dir}"' EXIT
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# Valid config file
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cat > "${tmp_dir}/valid.conf" << EOF
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min=disabled,24,11,8,7
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max=72
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passphrase=3
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match=4
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similar=deny
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random=47
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enforce=everyone
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retry=3
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EOF
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# Invalid config file
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cat > "${tmp_dir}/invalid.conf" << EOF
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min=invalid
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max=abc
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passphrase=0000
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match=ccc
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similar=1
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random=0
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EOF
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#Empty config file
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cat > "${tmp_dir}/empty.conf" << EOF
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EOF
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test_password_generation "config=${tmp_dir}/valid.conf" "pass" "Valid configuration file"
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test_password_generation "config=${tmp_dir}/invalid.conf" "fail" "Invalid configuration file"
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test_password_generation "config=${tmp_dir}/empty.conf" "pass" "Empty configuration file"
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# Test Suite 7: Test password entropy
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test_password_entropy "random=128" "Password should contain various character classes"

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