android test fixtures

Question

I am working on an android app and I have created a new test project for unit tests. Where's recommended to store the test fixtures (like xml files and the like) and what's the proper way to access it ?

Accepted Answer

It depends if you really mean unit test or instrumented tests (like using espresso and stuff)...

Unit tests:

- Put your fixtures in `src/test/resources` (so e.g. `src/test/resources/fixture.json`)

- Access them from your test classes e.g. using:

```
InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("fixture.json")
```

Instrumented tests:

- Put your fixtures in `src/androidTest/assets/` (so e.g. `src/androidTest/assets/fixture.json`)

- Access them from your test classes e.g. using:

```
InputStream is = InstrumentationRegistry.getContext().getResources().getAssets().open("fixture.json")
```

Here are some examples of how you can convert `InputStream` to `String`.

Here's a pretty good post describing different cases.

P.S. I know this question is 6+ years old... answering for any future searches.

android test fixtures

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