Add test script

test.sh

@@ -0,0 +1,129 @@
+#!/usr/bin/env bash
+set -uo pipefail
+IFS=$'\n'
+
+TESTS="
+# Logging
+logger_diag
+logger_verb
+logger_sarn
+logger_info
+logger_warn
+logger_error
+logger_crash
+
+# Checks
+check_command_alias
+check_command_keyword
+check_command_function
+check_command_builtin
+check_command_file
+check_command_defined
+"
+
+# Utility methods
+function invalid() { echo ":: Error: Invalid test ${TEST}, skipping"; }
+function fail() {
+  echo -e ":: Test ${TEST} failed\n   ${*//\\n/\\n   }"
+  [ -n "${FAILFAST}" ] && exit 1
+}
+## Assertions
+function assert_equals() {
+  EXPECTED="${1}"
+  shift
+  ACTUAL="${*}"
+
+  [[ "${ACTUAL}" != "${EXPECTED}" ]] && fail "${1}" "String does not match expected string\nExpected: ${EXPECTED}\nActual: ${ACTUAL}"
+}
+function assert_contains() {
+   EXPECTED="${1}"
+   shift
+   ACTUAL="${*}"
+
+   [[ "${ACTUAL}" != *"${EXPECTED}"* ]] && fail "${1}" "String does not contain expected string\nExpected: ${EXPECTED}\nActual: ${ACTUAL}"
+ }
+
+# Test loop
+for TEST in ${TESTS}; do
+  [ -z "${TEST}" ] || [[ "${TEST}" == "#"* ]] && continue
+
+  echo ":: Running test ${TEST}"
+  export TEST
+
+  # Logging
+  if [[ "${TEST}" == "logger_"* ]]; then
+    if [ "${TEST}" == "logger_crash" ]; then
+      assert_contains "It crashed!" "$( (
+        source "bashutils.sh"
+        crash "true" "It crashed!"
+      ) &> /dev/stdout)"
+    else
+      assert_contains "This is a test message" "$( (
+        source "bashutils.sh"
+        # shellcheck disable=SC2034
+        BASHUTILS_LOGLEVEL=0
+        ${TEST//logger_/} "This is a test message"
+      ) &> /dev/stdout)"
+
+    fi
+
+  # Checks
+  elif [[ "${TEST}" == "check_"* ]]; then
+    # Command checks
+    if [[ "${TEST}" == "check_command_"* ]]; then
+      case "${TEST//check_command/}" in
+        "alias")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            alias "verynicealias=ls"
+            is_command_alias "verynicealias"
+            echo "${?}"
+          )"
+          ;;
+        "keyword")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            is_command_keyword "continue"
+            echo "${?}"
+          )"
+          ;;
+        "function")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            is_command_function "is_command_function"
+            echo "${?}"
+          )"
+          ;;
+        "builtin")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            is_command_builtin "set"
+            echo "${?}"
+          )"
+          ;;
+        "file")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            is_command_file "clear"
+            echo "${?}"
+          )"
+          ;;
+        "defined")
+          assert_equals "0" "$(
+            source "bashutils.sh"
+            is_command_defined "echo"
+            echo "${?}"
+          )"
+          ;;
+      esac
+
+    # Invalid command
+    else
+      invalid
+    fi
+
+  # Invalid command
+  else
+    invalid
+  fi
+done