install bashunit and test pre-commit hook

.editorconfig

@@ -9,3 +9,6 @@ charset = utf-8
 
 [{*.yml,*.yaml}]
 indent_size = 2
+
+[*.sh]
+indent_size = 2

tools/.gitignore

@@ -0,0 +1 @@
+lib/

tools/README.md

@@ -0,0 +1,16 @@
+## Tools
+
+Here you can find developer tools to improve your DX.
+
+### Testing
+
+Install testing library with:
+```bash
+cd tools
+./install-dependencies.sh
+```
+
+Run bash tests:
+```bash
+lib/bashunit tests
+```

tools/install-dependencies.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# Ensure bashdep is installed
+[ ! -f lib/bashdep ] && {
+  mkdir -p lib
+  curl -sLo lib/bashdep \
+    https://github.com/Chemaclass/bashdep/releases/download/0.1/bashdep
+  chmod +x lib/bashdep
+}
+
+# Add latest bashunit release to your dependencies
+DEPENDENCIES=(
+  "https://github.com/TypedDevs/bashunit/releases/download/0.18.0/bashunit"
+  "https://github.com/Chemaclass/bash-dumper/releases/download/0.1/dumper.sh@dev"
+)
+
+# Load, configure and run bashdep
+source lib/bashdep
+bashdep::setup dir="lib" dev-dir="src/dev" silent=false
+bashdep::install "${DEPENDENCIES[@]}"

tools/src/dev/dumper.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Pass in any number of ANSI SGR codes.
+#
+# Code reference:
+#   https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_(Select_Graphic_Rendition)_parameters
+# Credit:
+#   https://superuser.com/a/1119396
+sgr() {
+  local codes=${1:-0}
+  shift
+
+  for c in "$@"; do
+    codes="$codes;$c"
+  done
+
+  echo $'\e'"[${codes}m"
+}
+
+_COLOR_BOLD="$(sgr 1)"
+_COLOR_FAINT="$(sgr 2)"
+_COLOR_RED="$(sgr 31)"
+_COLOR_YELLOW="$(sgr 33)"
+_COLOR_BLACK="$(sgr 30)"
+_COLOR_GREEN="$(sgr 32)"
+_COLOR_DEFAULT="$(sgr 0)"
+
+function trace() {
+  set -x
+}
+
+function untrace() {
+  set +x
+}
+
+# An alternative to echo when debugging.
+function dump() {
+  printf "[%s] %s: %s\n" "${_COLOR_YELLOW}DUMP${_COLOR_DEFAULT}" \
+    "${_COLOR_GREEN}${BASH_SOURCE[1]}:${BASH_LINENO[0]}" \
+    "${_COLOR_DEFAULT}$*"
+}
+
+# Dump and Die.
+function dd() {
+  printf "[%s] %s: %s\n" "${_COLOR_RED}DUMP${_COLOR_DEFAULT}" \
+    "${_COLOR_GREEN}${BASH_SOURCE[1]}:${BASH_LINENO[0]}" \
+    "${_COLOR_DEFAULT}$*"
+
+  kill -9 $$
+}
+
+function debug_var() {
+  local var_name=$1
+  local var_value=${!var_name}
+  printf "[%s] %s: %s=%s\n" "${_COLOR_FAINT}DEBUG${_COLOR_DEFAULT}" \
+    "${_COLOR_GREEN}${BASH_SOURCE[1]}:${BASH_LINENO[0]}" \
+    "$var_name" "$var_value"
+}

tools/tests/pre-commit_test.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+function set_up() {
+  SCRIPT="$(current_dir)"/../git-hooks/pre-commit.sh
+}
+
+function test_pre_commit() {
+  mock composer echo "mocked composer"
+
+  assert_match_snapshot "$($SCRIPT)"
+}

tools/tests/snapshots/pre_commit_test_sh.test_pre_commit.snapshot

@@ -0,0 +1,2 @@
+mocked composer
+mocked composer