Add travis and one generic test

Author: ivanvs

.travis

@@ -0,0 +1,19 @@
+sudo: false
+language: node_js
+cache:
+  directories:
+    - node_modules
+notifications:
+  email: true
+node_js:
+  - 10
+  - 9
+  - 8
+before_install:
+  - npm install -g npm@latest
+before_script:
+  - npm prune
+script:
+  - npm run test
+after_success:
+- npm run coveralls

package.json

@@ -55,12 +55,13 @@
       "json",
       "ts"
     ],
-    "rootDir": "src",
+    "rootDir": "tests",
     "testRegex": ".spec.ts$",
     "transform": {
       "^.+\\.(t|j)s$": "ts-jest"
     },
-    "coverageDirectory": "./coverage"
+    "coverageDirectory": "./coverage",
+    "testEnvironment": "node"
   },
   "bugs": {
     "url": "https://github.com/GenFirst/nest-status-monitor/issues"

tests/setup.spec.ts

@@ -0,0 +1,5 @@
+describe('Component', () => {
+  it('should be able to run tests', () => {
+    expect(1 + 2).toEqual(3);
+  });
+});