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Trilium/docs/Developer Guide/Developer Guide/Old documentation/Testing.md
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# Testing
## Unit testing and integration testing
Using `vitest`, there are some unit and integration tests done for both the client and the server.
These tests can be found by looking for the corresponding `.spec.ts` in the same directory as the source file.
<table><tbody><tr><td><p>To run the server-side tests:</p><pre><code class="language-text-x-trilium-auto">npm run server:test</code></pre><p>To view the code coverage for the server:</p><pre><code class="language-text-x-trilium-auto">npm run server:coverage</code></pre><p>Afterwards, a friendly HTML report can be found in <code>/coverage/index.html</code>.</p></td><td><p>To run the client-side tests:</p><pre><code class="language-text-x-trilium-auto">npm run client:test</code></pre><p>To view the code coverage for the client:</p><pre><code class="language-text-x-trilium-auto">npm run client:coverage</code></pre><p>Afterwards, a friendly HTML report can be found in <code>/src/public/app/coverage/index.html</code>.</p></td></tr></tbody></table>
To run both client and server-side tests:
```
npm run test
```
Note that some integration tests rely on an in-memory database in order to function. 
### REST API testing for the server
Some original work was done by Zadam in `/test-etapi`, using `.http` files.
New effort using `vitest` and `supertest` to initialize the Express server and run assertions without having to make actual requests to the server.
An important aspect is that we have access to the Express `app` which allows for interesting assertions such as checking the state of the server, registering debug middleware and so on.
One example is `src/share/routes.spec.ts`.
These integration tests are run alongside unit tests.
## End-to-end testing
* This tests both the client and the server, by running the server and then using Playwright to query the state of the page.
* These can be found in `/e2e`.