diff --git a/__tests__/get-url.test.js b/__tests__/get-url.test.js
new file mode 100644
index 0000000..9f0fa35
--- /dev/null
+++ b/__tests__/get-url.test.js
@@ -0,0 +1,15 @@
+const getURL = require("../lib/get-url");
+
+describe("getURL()", () => {
+  test("test", () => {
+    const baseURL = "https://github.com/gohugoio/hugo/releases/download/v0.58.2";
+    const urlLinux = `${baseURL}/hugo_0.58.2_Linux-64bit.tar.gz`;
+    const urlLinuxExtended = `${baseURL}/hugo_extended_0.58.2_Linux-64bit.tar.gz`;
+    const urlMacOS = `${baseURL}/hugo_0.58.2_macOS-64bit.tar.gz`;
+    const urlWindows = `${baseURL}/hugo_0.58.2_Windows-64bit.zip`;
+    expect(getURL("Linux", false, "0.58.2")).toBe(urlLinux);
+    expect(getURL("Linux", true, "0.58.2")).toBe(urlLinuxExtended);
+    expect(getURL("macOS", false, "0.58.2")).toBe(urlMacOS);
+    expect(getURL("Windows", false, "0.58.2")).toBe(urlWindows);
+  });
+});
diff --git a/lib/get-url.js b/lib/get-url.js
new file mode 100644
index 0000000..c3ecf6d
--- /dev/null
+++ b/lib/get-url.js
@@ -0,0 +1,19 @@
+function getURL(os, extended, version) {
+  let extendedStr = "";
+  let ext = "tar.gz";
+
+  if (extended === true) {
+    extendedStr = "extended_";
+  }
+
+  if (os === "Windows") {
+    ext = "zip";
+  }
+
+  const hugoName = `hugo_${extendedStr}${version}_${os}-64bit`;
+  const url = `https://github.com/gohugoio/hugo/releases/download/v${version}/${hugoName}.${ext}`;
+
+  return url;
+}
+
+module.exports = getURL;
diff --git a/lib/index.js b/lib/index.js
index d33c8e0..63d13cd 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -3,6 +3,7 @@ const tc = require("@actions/tool-cache");
 const io = require("@actions/io");
 const exec = require("@actions/exec");
 const getOS = require("./get-os");
+const getURL = require("./get-url");
 const getLatestVersion = require("./get-latest-version");
 
 // most @actions toolkit packages have async methods
@@ -18,18 +19,11 @@ async function run() {
 
         const extended = core.getInput("extended");
         console.log(`Hugo extended: ${extended}`);
-        let extendedStr = "";
-        if (extended === "true") {
-          extendedStr = "extended_";
-        }
 
         const osName = getOS(process.platform);
         console.log(`Operating System: ${osName}`);
 
-        const hugoName = `hugo_${extendedStr}${hugoVersion}_${osName}-64bit`;
-        core.debug(`hugoName: ${hugoName}`);
-
-        const hugoURL = `https://github.com/gohugoio/hugo/releases/download/v${hugoVersion}/${hugoName}.tar.gz`;
+        const hugoURL = getURL(osName, extended, hugoVersion);
         core.debug(`hugoURL: ${hugoURL}`);
 
         const hugoPath = `${process.env.HOME}/bin`;
diff --git a/package.json b/package.json
index 452cdc2..14e603b 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "lib/index.js",
   "scripts": {
     "lint": "eslint ./lib/**/*",
-    "test": "jest",
+    "test": "jest --coverage --verbose",
     "build": "npm prune --production"
   },
   "repository": {