[tests] Initial bats tests

tests/bats/main.bats

@@ -0,0 +1,59 @@
+#!/usr/bin/env bats
+
+function setup() {
+    load "$HOME/Developments/SmartGic/shell-test/test_helper/bats-support/load"
+    load "$HOME/Developments/SmartGic/shell-test/test_helper/bats-assert/load"
+    load ../../utils/constants.sh
+    load ../../utils/common.sh
+    LOG_FILE=/tmp/ovos-installer.log
+}
+
+@test "function_delete_log_if_exist" {
+    run touch "$LOG_FILE"
+    run delete_log
+    assert_success
+}
+
+@test "function_delete_log_non_exist" {
+    run delete_log
+    assert_success
+}
+
+@test "function_delete_log_fail" {
+    LOG_FILE=/var/log/ovos-installer.log
+    run delete_log
+    assert_failure
+}
+
+@test "function_detect_user_root" {
+    USER_ID=0
+    run detect_user
+    assert_success
+}
+
+@test "function_detect_user_non_root" {
+    run detect_user
+    assert_output --partial "This script must be run as root or with sudo"
+}
+
+@test "function_detect_cpu_instructions_capable" {
+    function grep() {
+        return 0
+    }
+    export -f grep
+    detect_cpu_instructions
+    echo $CPU_IS_CAPABLE
+    [ "${CPU_IS_CAPABLE}" == "true" ]
+    unset grep
+}
+
+@test "function_detect_cpu_instructions_not_capable" {
+    function grep() {
+        return 1
+    }
+    export -f grep
+    detect_cpu_instructions
+    echo $CPU_IS_CAPABLE
+    [ "${CPU_IS_CAPABLE}" == "false" ]
+    unset grep
+}