[Tests] improve scripts

Author: ljharb

.travis.yml

@@ -1,4 +1,6 @@
 language: node_js
+os:
+ - linux
 node_js:
   - "8"
   - "7"
@@ -11,11 +13,13 @@ node_js:
   - "0.12"
 before_install:
   - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then npm install -g [email protected] ; elif [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then case "$(npm --version)" in 1.*) npm install -g [email protected] ;; 2.*) npm install -g npm@2 ;; esac ; fi'
-  - 'if [ "${TRAVIS_NODE_VERSION%${TRAVIS_NODE_VERSION#[0-9]}}" = "0" ] || [ "${TRAVIS_NODE_VERSION:0:4}" = "iojs" ]; then npm install -g [email protected] ; elif [ "${TRAVIS_NODE_VERSION}" != "0.6" ] && [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then npm install -g npm; fi'
+  - 'if [ "${TRAVIS_NODE_VERSION}" != "0.6" ] && [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then if [ "${TRAVIS_NODE_VERSION%${TRAVIS_NODE_VERSION#[0-9]}}" = "0" ] || [ "${TRAVIS_NODE_VERSION:0:4}" = "iojs" ]; then npm install -g npm@4.5 ; else npm install -g npm; fi; fi'
 install:
   - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then nvm install 0.8 && npm install -g [email protected] && npm install -g [email protected] && npm install -g npm@2 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
 script:
-  - 'if [ -n "${LINT-}" ]; then npm run lint ; fi'
+  - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
+  - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi'
+  - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi'
   - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
 sudo: false
 env:
@@ -24,11 +28,13 @@ matrix:
   fast_finish: true
   include:
     - node_js: "node"
-      env: LINT=true
+      env: PRETEST=true
   allow_failures:
     - node_js: "7"
     - node_js: "5"
     - node_js: "iojs-v3"
     - node_js: "iojs-v2"
     - node_js: "iojs-v1"
     - node_js: "0.12"
+    - env: TEST=true ALLOW_FAILURE=true
+    - env: COVERAGE=true

package.json

@@ -7,12 +7,14 @@
     "test": "test"
   },
   "scripts": {
-    "build": "babel src --out-dir lib",
     "clean": "rimraf lib",
-    "test": "npm run lint && npm run tests-only",
+    "prebuild": "npm run clean",
+    "build": "babel src --out-dir lib",
+    "pretest": "npm run lint",
+    "test": "npm run tests-only",
     "tests-only": "mocha",
     "lint": "eslint .",
-    "prepublish": "in-publish && safe-publish-latest && npm run build || not-in-publish",
+    "prepublish": "not-in-publish || (safe-publish-latest && npm run build)",
     "check-changelog": "expr $(git status --porcelain 2>/dev/null| grep \"^\\s*M.*CHANGELOG.md\" | wc -l) >/dev/null || (echo 'Please edit CHANGELOG.md' && exit 1)",
     "check-only-changelog-changed": "(expr $(git status --porcelain 2>/dev/null| grep -v \"CHANGELOG.md\" | wc -l) >/dev/null && echo 'Only CHANGELOG.md may have uncommitted changes' && exit 1) || exit 0",
     "version:major": "npm --no-git-tag-version version major",