Merge pull request #13 from nodenv/tests

Tests

(rebased from commit 0495a2e)

package.json

@@ -21,6 +21,7 @@
     "bin"
   ],
   "scripts": {
+    "test": "bats ${CI:+--tap} test",
     "posttest": "npm run lint",
     "lint": "git ls-files bin test/*.*sh | xargs shellcheck",
     "postversion": "npm publish",
@@ -29,6 +30,10 @@
     "publish:github": "script/publish/github"
   },
   "devDependencies": {
+    "@nodenv/nodenv": "^1.3.0",
+    "bats": "^1.1.0",
+    "bats-assert": "github:jasonkarns/bats-assert-1",
+    "bats-support": "github:jasonkarns/bats-support",
     "brew-publish": "^2.3.1"
   },
   "keywords": [

test/doctor.bats

@@ -0,0 +1,39 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "reports missing bin in PATH" {
+  run nodenv-doctor
+
+  assert_failure
+  assert_line "Checking for \`nodenv' in PATH: not found"
+  assert_line "  Please refer to https://github.com/nodenv/nodenv#installation"
+}
+
+@test "reports missing bin in PATH despite ~/.nodenv" {
+  with_nodenv_in_home
+
+  run nodenv-doctor
+
+  assert_failure
+  assert_line "Checking for \`nodenv' in PATH: not found"
+  assert_line "  You seem to have nodenv installed in \`$HOME/.nodenv/bin', but that"
+}
+
+@test "reports successful bin in PATH" {
+  with_nodenv
+
+  run nodenv-doctor
+
+  assert_line "Checking for \`nodenv' in PATH: $PWD/node_modules/.bin/nodenv"
+}
+
+@test "reports multiple bins in PATH" {
+  with_nodenv
+  with_nodenv_in_home
+  PATH="$HOME/.nodenv/bin:$PATH"
+
+  run nodenv-doctor
+
+  assert_line "Checking for \`nodenv' in PATH: multiple"
+}

test/test_helper.bash

@@ -0,0 +1,32 @@
+load ../node_modules/bats-support/load
+load ../node_modules/bats-assert/load
+
+# guard against executing this block twice due to bats internals
+if [ -z "$TEST_DIR" ]; then
+  TEST_DIR="${BATS_TMPDIR}/nodenv"
+  TEST_DIR="$(mktemp -d "${TEST_DIR}.XXX" 2>/dev/null || echo "$TEST_DIR")"
+  export TEST_DIR
+
+  export HOME="${TEST_DIR}/home"
+
+  PATH=/usr/bin:/bin:/usr/sbin:/sbin
+  PATH="${BATS_TEST_DIRNAME}/../bin:$PATH"
+  export PATH
+
+  for nodenv_var in $(env 2>/dev/null | grep '^NODENV_' | cut -d= -f1); do
+    unset "$nodenv_var"
+  done
+  unset nodenv_var
+fi
+
+with_nodenv_in_home() {
+  local nodenv="$PWD/node_modules/.bin/nodenv"
+
+  mkdir -p "$HOME/.nodenv/bin"
+  cd "$HOME/.nodenv/bin" || return
+  ln -sf "$nodenv" nodenv
+}
+
+with_nodenv() {
+  PATH="$PWD/node_modules/.bin:$PATH"
+}