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Testing: Mention the potential need for run_on (#118)

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Danilo Bargen 2019-10-14 01:58:48 +02:00 committed by Yuki Okushi
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commit 0747220bbb
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content/docs/testing.md
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@ -33,6 +33,15 @@ regular `App` builder.
{{< include-example example="testing" file="integration_one.rs" section="integration-one" >}}
Note: If you get the error message "no Task is currently running" when running your
test, you may need to wrap your service call in
[test::run_on](https://docs.rs/actix-web/1/actix_web/test/fn.run_on.html):
```rust
let future = test::run_on(|| app.call(req));
let resp = test::block_on(future).unwrap();
```
If you need more complex application configuration testing should be very similar to creating
the normal application. For example, you may need to initialize application state. Create an
`App` with a `data` method and attach state just like you would from a normal application.