write some tests and fix CI test fails

Author: vaibhavhrt

.travis.yml

@@ -7,6 +7,7 @@ node_js:
   - 8
 install:
   - yarn install
+  - yarn install react prop-types
 script:
   # - npm run lint
   - yarn test

package-lock.json

@@ -2,7 +2,12 @@
   "name": "react-github-buttons",
   "version": "0.4.0",
   "description": "React Components for dynamic buttons for github repo's star, fork etc.",
-  "keywords": ["react", "github", "component", "utility"],
+  "keywords": [
+    "react",
+    "github",
+    "component",
+    "utility"
+  ],
   "author": {
     "email": "vaibhav.hrt@gmail.com",
     "name": "Vaibhav Vishal",
@@ -41,6 +46,7 @@
   "devDependencies": {
     "@svgr/rollup": "^4.3.0",
     "@types/jest": "^24.0.14",
+    "@types/prop-types": "^15.7.1",
     "@types/react": "^16.3.13",
     "@types/react-dom": "^16.0.5",
     "babel-core": "^6.26.3",

package.json

@@ -0,0 +1,23 @@
+import { Fork, Sponsor, Star, UsedBy, Watch } from "../index";
+
+describe(">>> Exports required components", () => {
+  it("+++ Fork is truthy", () => {
+    expect(Fork).toBeTruthy();
+  });
+
+  it("+++ Sponsor is truthy", () => {
+    expect(Sponsor).toBeTruthy();
+  });
+
+  it("+++ Star is truthy", () => {
+    expect(Star).toBeTruthy();
+  });
+
+  it("+++ UsedBy is truthy", () => {
+    expect(UsedBy).toBeTruthy();
+  });
+
+  it("+++ Watch is truthy", () => {
+    expect(Watch).toBeTruthy();
+  });
+});

src/__tests__/index.test.ts

@@ -36,7 +36,6 @@ export default class Star extends React.Component<IPropTypes, IState> {
   }
 
   render() {
-    // const { owner, repo } = this.props;
     const { stargazers_count } = this.state;
     return <GithubButton variant="star" count={stargazers_count} { ...this.props } />;
   }