diff --git a/.gitignore b/.gitignore
index 4bf9729..9b85972 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,8 @@
 node_modules
 dist
 
+.vscode-test
+
+test/__*
+
 *.vsix
\ No newline at end of file
diff --git a/README.md b/README.md
index 40215d8..f68f68a 100644
--- a/README.md
+++ b/README.md
@@ -144,6 +144,56 @@ This extension modifies an internal file to make backgrounds work, if VSCode sto
 
 This extension also modifies `%LocalAppData%\Programs\Microsoft VS Code\resources\app\product.json`, replace with `product-backup.json` if VSCode stops working.
 
+## 🔌 API
+
+Add this extension to your `package.json`.
+
+```json
+{
+    ...
+    "extensionDependencies": [
+        "katsute.code-background"
+    ]
+    ...
+}
+```
+
+Access the api by using:
+
+```js
+const background = vscode.extensions.getExtension("katsute.code-background").exports;
+```
+
+* `install(): void`
+
+  Runs the `Background: Install` command.
+* `uninstall(): void`
+
+  Runs the `Background: Uninstall` command.
+* `reload(): void`
+
+  Runs the `Background: Reload` command.
+* `get(ui): string[]?`
+  * `ui` : Background to get from; either `window`, `editor`, `sidebar`, `panel`.
+
+  Returns an array of globs for the specified background.
+* `add(ui, glob): Promise<boolean>`
+  * `ui` : Background to add to; either `window`, `editor`, `sidebar`, `panel`.
+  * `glob`: Glob to add.
+
+  Returns true if successful.
+* `replace(ui, old, glob): Promise<boolean>`
+  * `ui` : Background to replace from; either `window`, `editor`, `sidebar`, `panel`.
+  * `old`: Glob to replace.
+  * `glob`: Updated glob.
+
+  Returns true if successful.
+* `remove(ui, glob): Promise<boolean>`
+  * `ui` : Background to remove from; either `window`, `editor`, `sidebar`, `panel`.
+  * `glob`: Glob to remove.
+
+  Returns true if successful.
+
 ## &nbsp;
 
 <!-- Copilot -->
@@ -156,4 +206,4 @@ This extension also modifies `%LocalAppData%\Programs\Microsoft VS Code\resource
 </table>
 <!-- Copilot -->
 
-This extension is released under the [GNU General Public License (GPL) v2.0](https://github.com/KatsuteDev/Background/blob/main/LICENSE).
\ No newline at end of file
+This extension is released under the [GNU General Public License (GPL) v2.0](https://github.com/KatsuteDev/Background/blob/main/LICENSE).
diff --git a/package-lock.json b/package-lock.json
index 1f79a50..50eafde 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "code-background",
-    "version": "2.5.8",
+    "version": "2.6.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "code-background",
-            "version": "2.5.8",
+            "version": "2.6.0",
             "license": "GPL-2.0-only",
             "dependencies": {
                 "@vscode/sudo-prompt": "9.3.1",
@@ -17,6 +17,7 @@
                 "@types/node": "20.4.1",
                 "@types/tmp": "0.2.3",
                 "@types/vscode": "1.80.0",
+                "@vscode/test-electron": "2.3.3",
                 "@vscode/vsce": "2.19.0",
                 "rimraf": "5.0.1",
                 "typescript": "5.1.6"
@@ -50,6 +51,15 @@
                 "node": ">=14"
             }
         },
+        "node_modules/@tootallnate/once": {
+            "version": "1.1.2",
+            "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
+            "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
+            "dev": true,
+            "engines": {
+                "node": ">= 6"
+            }
+        },
         "node_modules/@types/node": {
             "version": "20.4.1",
             "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.1.tgz",
@@ -73,6 +83,36 @@
             "resolved": "https://registry.npmjs.org/@vscode/sudo-prompt/-/sudo-prompt-9.3.1.tgz",
             "integrity": "sha512-9ORTwwS74VaTn38tNbQhsA5U44zkJfcb0BdTSyyG6frP4e8KMtHuTXYmwefe5dpL8XB1aGSIVTaLjD3BbWb5iA=="
         },
+        "node_modules/@vscode/test-electron": {
+            "version": "2.3.3",
+            "resolved": "https://registry.npmjs.org/@vscode/test-electron/-/test-electron-2.3.3.tgz",
+            "integrity": "sha512-hgXCkDP0ibboF1K6seqQYyHAzCURgTwHS/6QU7slhwznDLwsRwg9bhfw1CZdyUEw8vvCmlrKWnd7BlQnI0BC4w==",
+            "dev": true,
+            "dependencies": {
+                "http-proxy-agent": "^4.0.1",
+                "https-proxy-agent": "^5.0.0",
+                "jszip": "^3.10.1",
+                "semver": "^7.3.8"
+            },
+            "engines": {
+                "node": ">=16"
+            }
+        },
+        "node_modules/@vscode/test-electron/node_modules/semver": {
+            "version": "7.5.4",
+            "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
+            "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
+            "dev": true,
+            "dependencies": {
+                "lru-cache": "^6.0.0"
+            },
+            "bin": {
+                "semver": "bin/semver.js"
+            },
+            "engines": {
+                "node": ">=10"
+            }
+        },
         "node_modules/@vscode/vsce": {
             "version": "2.19.0",
             "resolved": "https://registry.npmjs.org/@vscode/vsce/-/vsce-2.19.0.tgz",
@@ -130,6 +170,18 @@
                 "url": "https://github.com/sponsors/isaacs"
             }
         },
+        "node_modules/agent-base": {
+            "version": "6.0.2",
+            "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+            "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+            "dev": true,
+            "dependencies": {
+                "debug": "4"
+            },
+            "engines": {
+                "node": ">= 6.0.0"
+            }
+        },
         "node_modules/ansi-regex": {
             "version": "6.0.1",
             "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.0.1.tgz",
@@ -357,6 +409,12 @@
             "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
             "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
         },
+        "node_modules/core-util-is": {
+            "version": "1.0.3",
+            "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+            "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
+            "dev": true
+        },
         "node_modules/cross-spawn": {
             "version": "7.0.3",
             "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -398,6 +456,23 @@
                 "url": "https://github.com/sponsors/fb55"
             }
         },
+        "node_modules/debug": {
+            "version": "4.3.4",
+            "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+            "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+            "dev": true,
+            "dependencies": {
+                "ms": "2.1.2"
+            },
+            "engines": {
+                "node": ">=6.0"
+            },
+            "peerDependenciesMeta": {
+                "supports-color": {
+                    "optional": true
+                }
+            }
+        },
         "node_modules/decompress-response": {
             "version": "6.0.0",
             "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
@@ -723,6 +798,33 @@
                 "entities": "^4.4.0"
             }
         },
+        "node_modules/http-proxy-agent": {
+            "version": "4.0.1",
+            "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz",
+            "integrity": "sha512-k0zdNgqWTGA6aeIRVpvfVob4fL52dTfaehylg0Y4UvSySvOq/Y+BOyPrgpUrA7HylqvU8vIZGsRuXmspskV0Tg==",
+            "dev": true,
+            "dependencies": {
+                "@tootallnate/once": "1",
+                "agent-base": "6",
+                "debug": "4"
+            },
+            "engines": {
+                "node": ">= 6"
+            }
+        },
+        "node_modules/https-proxy-agent": {
+            "version": "5.0.1",
+            "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+            "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+            "dev": true,
+            "dependencies": {
+                "agent-base": "6",
+                "debug": "4"
+            },
+            "engines": {
+                "node": ">= 6"
+            }
+        },
         "node_modules/ieee754": {
             "version": "1.2.1",
             "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -744,6 +846,12 @@
             ],
             "optional": true
         },
+        "node_modules/immediate": {
+            "version": "3.0.6",
+            "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
+            "integrity": "sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ==",
+            "dev": true
+        },
         "node_modules/inflight": {
             "version": "1.0.6",
             "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -773,6 +881,12 @@
                 "node": ">=8"
             }
         },
+        "node_modules/isarray": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+            "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ==",
+            "dev": true
+        },
         "node_modules/isexe": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -801,6 +915,48 @@
             "integrity": "sha512-gfFQZrcTc8CnKXp6Y4/CBT3fTc0OVuDofpre4aEeEpSBPV5X5v4+Vmx+8snU7RLPrNHPKSgLxGo9YuQzz20o+w==",
             "dev": true
         },
+        "node_modules/jszip": {
+            "version": "3.10.1",
+            "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+            "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
+            "dev": true,
+            "dependencies": {
+                "lie": "~3.3.0",
+                "pako": "~1.0.2",
+                "readable-stream": "~2.3.6",
+                "setimmediate": "^1.0.5"
+            }
+        },
+        "node_modules/jszip/node_modules/readable-stream": {
+            "version": "2.3.8",
+            "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+            "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
+            "dev": true,
+            "dependencies": {
+                "core-util-is": "~1.0.0",
+                "inherits": "~2.0.3",
+                "isarray": "~1.0.0",
+                "process-nextick-args": "~2.0.0",
+                "safe-buffer": "~5.1.1",
+                "string_decoder": "~1.1.1",
+                "util-deprecate": "~1.0.1"
+            }
+        },
+        "node_modules/jszip/node_modules/safe-buffer": {
+            "version": "5.1.2",
+            "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+            "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+            "dev": true
+        },
+        "node_modules/jszip/node_modules/string_decoder": {
+            "version": "1.1.1",
+            "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+            "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+            "dev": true,
+            "dependencies": {
+                "safe-buffer": "~5.1.0"
+            }
+        },
         "node_modules/keytar": {
             "version": "7.9.0",
             "resolved": "https://registry.npmjs.org/keytar/-/keytar-7.9.0.tgz",
@@ -822,6 +978,15 @@
                 "node": ">=6"
             }
         },
+        "node_modules/lie": {
+            "version": "3.3.0",
+            "resolved": "https://registry.npmjs.org/lie/-/lie-3.3.0.tgz",
+            "integrity": "sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==",
+            "dev": true,
+            "dependencies": {
+                "immediate": "~3.0.5"
+            }
+        },
         "node_modules/linkify-it": {
             "version": "3.0.3",
             "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
@@ -935,6 +1100,12 @@
             "dev": true,
             "optional": true
         },
+        "node_modules/ms": {
+            "version": "2.1.2",
+            "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+            "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+            "dev": true
+        },
         "node_modules/mute-stream": {
             "version": "0.0.8",
             "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.8.tgz",
@@ -1013,6 +1184,12 @@
                 "wrappy": "1"
             }
         },
+        "node_modules/pako": {
+            "version": "1.0.11",
+            "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+            "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+            "dev": true
+        },
         "node_modules/parse-semver": {
             "version": "1.1.1",
             "resolved": "https://registry.npmjs.org/parse-semver/-/parse-semver-1.1.1.tgz",
@@ -1119,6 +1296,12 @@
                 "node": ">=10"
             }
         },
+        "node_modules/process-nextick-args": {
+            "version": "2.0.1",
+            "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+            "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+            "dev": true
+        },
         "node_modules/pump": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
@@ -1242,6 +1425,12 @@
                 "semver": "bin/semver"
             }
         },
+        "node_modules/setimmediate": {
+            "version": "1.0.5",
+            "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+            "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==",
+            "dev": true
+        },
         "node_modules/shebang-command": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -1595,8 +1784,7 @@
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
             "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-            "dev": true,
-            "optional": true
+            "dev": true
         },
         "node_modules/which": {
             "version": "2.0.2",
diff --git a/package.json b/package.json
index 948414a..dc29037 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
         "theme": "dark"
     },
     "publisher": "Katsute",
-    "version": "2.5.8",
+    "version": "2.6.0",
     "private": true,
     "engines": {
         "vscode": "^1.80.0"
@@ -315,7 +315,9 @@
         "build": "tsc --outDir dist",
         "prepare": "npm run clean && npm run build",
         "// -- deploy -- //": "",
-        "package": "vsce package"
+        "package": "vsce package",
+        "// -- test -- //": "",
+        "test": "node ./test/index.js"
     },
     "repository": {
         "type": "git",
@@ -336,6 +338,7 @@
         "@types/node": "20.4.1",
         "@types/tmp": "0.2.3",
         "@types/vscode": "1.80.0",
+        "@vscode/test-electron": "2.3.3",
         "@vscode/vsce": "2.19.0",
         "rimraf": "5.0.1",
         "typescript": "5.1.6"
diff --git a/src/command/config/file.ts b/src/command/config/file.ts
index 1f0dc89..9c22485 100644
--- a/src/command/config/file.ts
+++ b/src/command/config/file.ts
@@ -31,25 +31,29 @@ import { notify } from "../install";
 
 // config
 
-const add: (ui: UI, glob: string, skipWarning?: boolean) => Promise<void> = async (ui: UI, glob: string, skipWarning: boolean = false) => {
+export const view: (ui: UI) => string[] = (ui: UI) => {
+    return get(`${ui}Backgrounds`) as string[];
+}
+
+export const add: (ui: UI, glob: string, skipWarning?: boolean) => Promise<void> = async (ui: UI, glob: string, skipWarning: boolean = false) => {
     const files: string[] = get(`${ui}Backgrounds`) as string[];
     files.push(glob);
     await update(`${ui}Backgrounds`, files.filter(unique), undefined, skipWarning);
     skipWarning || cm({label: '␀', ui}); // reopen menu
 };
 
-const replace: (ui: UI, old: string, glob: string, remove?: boolean) => Promise<void> = async (ui: UI, old: string, glob: string) => {
+export const replace: (ui: UI, old: string, glob: string, skipWarning?: boolean) => Promise<void> = async (ui: UI, old: string, glob: string, skipWarning: boolean = false) => {
     const files: string[] = get(`${ui}Backgrounds`) as string[];
     for(let i = 0, l = files.length; i < l; i++)
         if(files[i] === old)
             files[i] = glob;
-    await update(`${ui}Backgrounds`, files.filter(unique), undefined, old === glob);
-    cm({label: '␀', ui}); // reopen menu
+    await update(`${ui}Backgrounds`, files.filter(unique), undefined, skipWarning || old === glob);
+    skipWarning || cm({label: '␀', ui}); // reopen menu
 };
 
-const remove: (ui: UI, glob: string) => Promise<void> = async (ui: UI, glob: string) => {
-    await update(`${ui}Backgrounds`, (get(`${ui}Backgrounds`) as string[]).filter((f) => f !== glob).filter(unique));
-    cm({label: '␀', ui}); // reopen files
+export const remove: (ui: UI, glob: string, skipWarning?: boolean) => Promise<void> = async (ui: UI, glob: string, skipWarning: boolean = false) => {
+    await update(`${ui}Backgrounds`, (get(`${ui}Backgrounds`) as string[]).filter((f) => f !== glob).filter(unique), undefined, skipWarning);
+    skipWarning || cm({label: '␀', ui}); // reopen files
 };
 
 // exts
diff --git a/src/extension.ts b/src/extension.ts
index 12c01a5..a5c6a6e 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -56,7 +56,7 @@ const cp: (files: [string, string][], asterisk?: boolean) => string = (files: [s
     return commands.join(" && ");
 };
 
-export const activate: (context: vscode.ExtensionContext) => void = (context: vscode.ExtensionContext) => {
+export const activate: (context: vscode.ExtensionContext) => any = (context: vscode.ExtensionContext) => {
     // internal files
     if(require.main && require.main.filename){
         // %appdata%/Local/Programs/Microsoft VS Code/resources/app/out/vs/workbench/workbench.desktop.main.js
@@ -110,6 +110,59 @@ export const activate: (context: vscode.ExtensionContext) => void = (context: vs
 
     context.subscriptions.push(statusbar);
     statusbar.show();
+
+    return {
+        install: () => installJS(),
+        uninstall: () => uninstallJS(),
+        reload: () => vscode.commands.executeCommand("workbench.action.reloadWindow"),
+        get: (ui: string) => {
+            switch(ui){
+                case "window":
+                case "editor":
+                case "sidebar":
+                case "panel":
+                    return file.view(ui);
+                default:
+                    return undefined;
+            }
+        },
+        add: async (ui: string, glob: string) => {
+            switch(ui){
+                case "window":
+                case "editor":
+                case "sidebar":
+                case "panel":
+                    await file.add(ui, glob, true);
+                    return true;
+                default:
+                    return false;
+            }
+        },
+        replace: async (ui: string, old: string, glob: string) => {
+            switch(ui){
+                case "window":
+                case "editor":
+                case "sidebar":
+                case "panel":
+                    await file.replace(ui, old, glob, true);
+                    return true;
+                default:
+                    return false;
+            }
+        },
+        remove: async (ui: string, glob: string) => {
+            switch(ui){
+                case "window":
+                case "editor":
+                case "sidebar":
+                case "panel":
+                    await file.remove(ui, glob, true);
+                    return true;
+                default:
+                    return false;
+            }
+        }
+    };
 };
 
 //
diff --git a/test/index.js b/test/index.js
new file mode 100644
index 0000000..832e9b6
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,13 @@
+const fs = require("fs");
+const path = require("path");
+
+const file = path.join(__dirname, "__testno__");
+
+const vscode = require("@vscode/test-electron");
+
+!fs.existsSync(file) || fs.unlinkSync(file);
+
+vscode.runTests({
+    extensionDevelopmentPath: path.join(__dirname, "../"),
+    extensionTestsPath: path.join(__dirname, "test.js")
+});
\ No newline at end of file
diff --git a/test/test.js b/test/test.js
new file mode 100644
index 0000000..dfbfe0c
--- /dev/null
+++ b/test/test.js
@@ -0,0 +1,82 @@
+const fs = require("fs");
+const path = require("path");
+
+const vscode = require("vscode");
+
+const file = path.join(__dirname, "__testno__");
+
+const images = path.join(__dirname, "*.png").replace(/\\/gm, '/');
+
+module.exports = {
+    run: () => new Promise(async () => {
+        await wait(5);
+
+        const background = vscode.extensions.getExtension("katsute.code-background").exports;
+
+        let num;
+        if(!fs.existsSync(file)){
+            for(const ui of ["window", "editor", "sidebar", "panel"])
+                for(const image of await background.get(ui))
+                    await background.remove(ui, image);
+            fs.writeFileSync(file, '0', "utf-8");
+            background.install();
+        }else if((num = fs.readFileSync(file, "utf-8")) == 0){
+            vscode.window.showInformationMessage("Testing empty install");
+
+            await wait(3);
+
+            await background.add("window", images);
+
+            fs.writeFileSync(file, `${++num}`, "utf-8");
+
+            background.install();
+        }else if(num >= 1 && num <= 5){
+            vscode.window.showInformationMessage(`Testing window backgrounds (${num}/5)`);
+
+            await wait(3);
+
+            fs.writeFileSync(file, `${++num}`, "utf-8");
+
+            if(num == 6){
+                await background.remove("window", images);
+                await background.add("editor", images);
+                await background.add("sidebar", images);
+                await background.add("panel", images);
+
+                background.install();
+            }else{
+                background.reload();
+            }
+
+        }else if(num >= 6 && num <= 10){
+            vscode.window.showInformationMessage(`Testing other backgrounds (${num-5}/5)`);
+
+            await wait(3);
+
+            fs.writeFileSync(file, `${++num}`, "utf-8");
+
+            if(num == 11)
+                background.uninstall();
+            else
+                background.reload();
+        }else if(num == 11){
+            vscode.window.showInformationMessage(`Testing uninstall`);
+
+            await wait(3);
+
+            await background.add("window", images);
+
+            fs.writeFileSync(file, `${++num}`, "utf-8");
+
+            background.reload();
+        }else{
+            await background.replace("window", images, images.replace(".png", ''));
+
+            vscode.window.showInformationMessage(`All tests completed!\n\nBackgrounds are: \nwindow: [${await background.get("window")}]\neditor: [${await background.get("editor")}]\nsidebar: [${await background.get("sidebar")}]\npanel: [${await background.get("panel")}]`);
+
+            fs.unlinkSync(file);
+        }
+    })
+};
+
+const wait = (time) => new Promise((res) => setTimeout(() => res(), 1000 * time));
\ No newline at end of file