Add nyc and coveralls (#70)

.gitignore

@@ -16,3 +16,4 @@ npm-debug.log
 prebuilds/
 yarn.lock
 package-lock.json
+.nyc_output/

.npmignore

@@ -17,3 +17,4 @@ NEWS
 AUTHORS
 Dockerfile
 .dockerignore
+.nyc_output/

.travis.yml

@@ -14,3 +14,5 @@ node_js:
   - 6
   - 8
   - 10
+
+after_success: npm run coverage

README.md

@@ -9,6 +9,7 @@
 [![AppVeyor](https://img.shields.io/appveyor/ci/Level/rocksdb.svg?label=appveyor)](https://ci.appveyor.com/project/Level/rocksdb)
 [![dependencies](https://img.shields.io/david/Level/rocksdb.svg)](https://david-dm.org/level/rocksdb)
 [![npm downloads](https://img.shields.io/npm/dm/rocksdb.svg)](https://www.npmjs.com/package/rocksdb)
+[![Coverage Status](https://coveralls.io/repos/github/Level/rocksdb/badge.svg)](https://coveralls.io/github/Level/rocksdb)
 [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
 
 **If you are upgrading:** please see [UPGRADING.md](UPGRADING.md).

package.json

@@ -21,27 +21,29 @@
   },
   "devDependencies": {
     "async": "^2.0.1",
+    "coveralls": "^3.0.2",
     "delayed": "~1.0.1",
     "du": "~0.1.0",
     "iota-array": "~1.0.0",
     "lexicographic-integer": "~1.1.0",
     "mkfiletree": "~1.0.1",
     "monotonic-timestamp": "~0.0.8",
+    "nyc": "^12.0.2",
     "optimist": "~0.6.1",
     "prebuild": "^7.0.0",
     "prebuild-ci": "^2.0.0",
     "readfiletree": "~0.0.1",
     "rimraf": "^2.6.1",
     "slump": "~2.0.0",
     "standard": "^11.0.1",
-    "tap-spec": "^4.1.1",
     "tape": "^4.5.1",
     "uuid": "^3.2.1",
     "verify-travis-appveyor": "^3.0.0"
   },
   "scripts": {
     "install": "prebuild-install || node-gyp rebuild",
-    "test": "standard && verify-travis-appveyor && tape test/*-test.js | tap-spec && prebuild-ci",
+    "test": "standard && verify-travis-appveyor && nyc tape test/*-test.js && prebuild-ci",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
     "rebuild": "prebuild --compile",
     "prebuild": "prebuild -t 8.1.2 -t 6.11.0 -t 4.8.3 -t 7.10.0 --strip --verbose"
   },