test: write initial automatic integration tests

tests/integration/helpers.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+_build_abra() {
+  if [[ ! -e "$ROOT/abra" ]]; then
+      cd "$ROOT" && make build-dev
+      return 0
+  fi
+  return 0
+}
+
+_build_kadabra() {
+  if [[ ! -e "$ROOT/kadabra" ]]; then
+      cd "$ROOT" && make build-dev
+      return 0
+  fi
+  return 0
+}
+
+_setup_env(){
+  load '/usr/lib/bats/bats-support/load'
+  load '/usr/lib/bats/bats-assert/load'
+
+  ROOT="$DIR/../.."
+  ABRA="$ROOT/abra"
+  KADABRA="$ROOT/kadabra"
+
+  ABRA_TEST=true
+  ABRA_TEST_DIR="$HOME/.abra_test"
+
+  _build_abra
+  _build_kadabra
+}
+
+_default_teardown(){
+  rm -rf "$ABRA_TEST_DIR"
+}