diff --git a/Gruntfile.js b/Gruntfile.js
index 9ab4584..5431e4d 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -7,13 +7,13 @@ module.exports = grunt => {
         },
         copy: {
             images: {
-                files: [{expand: true, cwd: "src/", src: ["**/*.png", "**/*.ico"], dest: "build/"}]
+                files: [{expand: true, cwd: "src/main/", src: ["**/*.png", "**/*.ico"], dest: "build/"}]
             },
             html: {
-                files: [{expand: true, cwd: "src/", src: "**/*.html", dest: "build/"}]
+                files: [{expand: true, cwd: "src/main/", src: "**/*.html", dest: "build/"}]
             },
             css: {
-                files: [{expand: true, cwd: "src/", src: "**/*.css", dest: "build/"}]
+                files: [{expand: true, cwd: "src/main/", src: "**/*.css", dest: "build/"}]
             }
         },
         cssmin: {
@@ -72,6 +72,7 @@ module.exports = grunt => {
         // Post
         "clean:after"
     ]);
+    grunt.registerTask("dev", ["default"]);
     grunt.registerTask("deploy", [
         // Pre
         "clean:before",
diff --git a/README.md b/README.md
index acb13c3..d8a643a 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,12 @@ $> npm install
 
 ```shell script
 # Build the application in `build/` for development
-$> grunt
-```
-
-```shell script
+$> grunt dev
 # Build the application in `build/` for deployment
 $> grunt deploy
 ```
+
+```shell script
+# Run tests on the application in `build/`
+$> npm test
+```
diff --git a/package-lock.json b/package-lock.json
index 69ba2a6..4fea9f9 100644
Binary files a/package-lock.json and b/package-lock.json differ
diff --git a/package.json b/package.json
index 517dfcf..da43155 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "The source code of [my personal website](https://fwdekker.com/).",
   "dependencies": {},
   "devDependencies": {
+    "ava": "2.4.0",
     "grunt": "1.0.4",
     "grunt-contrib-clean": "2.0.0",
     "grunt-contrib-copy": "1.0.0",
@@ -13,6 +14,9 @@
     "grunt-ts": "6.0.0-beta.22",
     "typescript": "3.6.4"
   },
+  "scripts": {
+    "test": "ava"
+  },
   "repository": {
     "type": "git",
     "url": "git@git.fwdekker.com:FWDekker/fwdekker.com.git"
diff --git a/src/css/main.css b/src/main/css/main.css
similarity index 100%
rename from src/css/main.css
rename to src/main/css/main.css
diff --git a/src/favicon.ico b/src/main/favicon.ico
similarity index 100%
rename from src/favicon.ico
rename to src/main/favicon.ico
diff --git a/src/favicon.png b/src/main/favicon.png
similarity index 100%
rename from src/favicon.png
rename to src/main/favicon.png
diff --git a/src/index.html b/src/main/index.html
similarity index 100%
rename from src/index.html
rename to src/main/index.html
diff --git a/src/js/commands.ts b/src/main/js/commands.ts
similarity index 100%
rename from src/js/commands.ts
rename to src/main/js/commands.ts
diff --git a/src/js/extensions.d.ts b/src/main/js/extensions.d.ts
similarity index 100%
rename from src/js/extensions.d.ts
rename to src/main/js/extensions.d.ts
diff --git a/src/js/extensions.ts b/src/main/js/extensions.ts
similarity index 100%
rename from src/js/extensions.ts
rename to src/main/js/extensions.ts
diff --git a/src/js/fs.ts b/src/main/js/fs.ts
similarity index 100%
rename from src/js/fs.ts
rename to src/main/js/fs.ts
diff --git a/src/js/main.ts b/src/main/js/main.ts
similarity index 100%
rename from src/js/main.ts
rename to src/main/js/main.ts
diff --git a/src/js/shared.ts b/src/main/js/shared.ts
similarity index 100%
rename from src/js/shared.ts
rename to src/main/js/shared.ts
diff --git a/src/js/terminal.ts b/src/main/js/terminal.ts
similarity index 100%
rename from src/js/terminal.ts
rename to src/main/js/terminal.ts
diff --git a/src/js/user-session.ts b/src/main/js/user-session.ts
similarity index 100%
rename from src/js/user-session.ts
rename to src/main/js/user-session.ts
diff --git a/src/test/PathTest.js b/src/test/PathTest.js
new file mode 100644
index 0000000..5537455
--- /dev/null
+++ b/src/test/PathTest.js
@@ -0,0 +1,6 @@
+import test from "ava";
+// import {Path} from "./../../build/js/fs.js";
+
+test("paths", t => {
+    t.is("a", "a", "OH YES");
+});
diff --git a/tsconfig.json b/tsconfig.json
index ab92e4f..27cdfc2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,10 +3,10 @@
     "module": "esnext",
     "target": "es2019",
     "strict": true,
-    "rootDir": "./src/js/",
+    "rootDir": "./src/main/js/",
     "outDir": "./build/js/"
   },
   "include": [
-    "src/js/**/*.ts"
+    "src/main/js/**/*.ts"
   ]
 }