🤓 add some unit tests

package.json

@@ -11,7 +11,8 @@
   "author": "",
   "devDependencies": {
     "jest": "^22.4.4",
-    "nodemon": "^1.17.5"
+    "nodemon": "^1.17.5",
+    "supertest": "^3.1.0"
   },
   "dependencies": {
     "express": "^4.16.3",
@@ -20,10 +21,18 @@
     "winston": "^3.0.0"
   },
   "nodemonConfig": {
-    "ignore": ["**/*.test.js", "**/*.spec.js", ".git", "node_modules"]
+    "ignore": [
+      "**/*.test.js",
+      "**/*.spec.js",
+      ".git",
+      "node_modules"
+    ]
   },
   "jest": {
     "testRegex": "(/__tests__/.*|\\.(test|spec))\\.(js)$",
-    "moduleFileExtensions": ["js", "json"]
+    "moduleFileExtensions": [
+      "js",
+      "json"
+    ]
   }
 }

src/index.js

@@ -1,7 +1,6 @@
 const express = require("express");
 const morgan = require("morgan");
 const admin = require("firebase-admin");
-require("dotenv").config();
 
 const router = require("./api");
 const { logger } = require("./utils/logger");
@@ -28,6 +27,12 @@ app.use("/", router);
 app.use(errorHandler);
 
 // Serve the application at the given port
-app.listen(port, () => {
-  logger.info(`🎧 Listening at http://localhost:${port}/`);
-});
+if (process.env.NODE_ENV !== "test") {
+  app.listen(port, () => {
+    logger.info(`🎧 Listening at http://localhost:${port}/`);
+  });
+}
+
+module.exports = {
+  app
+};

src/routes/health/health.test.js

@@ -0,0 +1,12 @@
+const request = require("supertest");
+
+const { healthRouter } = require("./health.router");
+const { app } = require("../../index");
+
+describe("tests for the health check endpoint", () => {
+  it("returns a 200", () => {
+    return request(app)
+      .get("/health")
+      .expect(200);
+  });
+});

yarn.lock

@@ -955,7 +955,7 @@ compare-versions@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.2.1.tgz#a49eb7689d4caaf0b6db5220173fd279614000f7"
 
-component-emitter@^1.2.1:
+component-emitter@^1.2.0, component-emitter@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
 
@@ -1013,6 +1013,10 @@ [email protected]:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+cookiejar@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.2.tgz#dd8a235530752f988f9a0844f3fc589e3111125c"
+
 copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
@@ -1204,10 +1208,6 @@ dot-prop@^4.1.0:
   dependencies:
     is-obj "^1.0.0"
 
-dotenv@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-6.0.0.tgz#24e37c041741c5f4b25324958ebbc34bca965935"
-
 duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
@@ -1635,14 +1635,18 @@ forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
-form-data@~2.3.1:
+form-data@^2.3.1, form-data@~2.3.1:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.2.tgz#4970498be604c20c005d4f5c23aecd21d6b49099"
   dependencies:
     asynckit "^0.4.0"
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
+formidable@^1.1.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.1.tgz#70fb7ca0290ee6ff961090415f4b3df3d2082659"
+
 forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
@@ -3012,7 +3016,7 @@ methmeth@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/methmeth/-/methmeth-1.1.0.tgz#e80a26618e52f5c4222861bb748510bd10e29089"
 
-methods@~1.1.2:
+methods@^1.1.1, methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
@@ -3070,6 +3074,10 @@ [email protected]:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
+mime@^1.4.1:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+
 mime@^2.2.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.3.1.tgz#b1621c54d63b97c47d3cfe7f7215f7d64517c369"
@@ -3753,7 +3761,7 @@ [email protected]:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
-qs@~6.5.1:
+qs@^6.5.1, qs@~6.5.1:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
 
@@ -3802,7 +3810,7 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.6:
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -4370,6 +4378,28 @@ stubs@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/stubs/-/stubs-3.0.0.tgz#e8d2ba1fa9c90570303c030b6900f7d5f89abe5b"
 
+[email protected]:
+  version "3.8.2"
+  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.8.2.tgz#e4a11b9d047f7d3efeb3bbe536d9ec0021d16403"
+  dependencies:
+    component-emitter "^1.2.0"
+    cookiejar "^2.1.0"
+    debug "^3.1.0"
+    extend "^3.0.0"
+    form-data "^2.3.1"
+    formidable "^1.1.1"
+    methods "^1.1.1"
+    mime "^1.4.1"
+    qs "^6.5.1"
+    readable-stream "^2.0.5"
+
+supertest@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.1.0.tgz#f9ebaf488e60f2176021ec580bdd23ad269e7bc6"
+  dependencies:
+    methods "~1.1.2"
+    superagent "3.8.2"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"