element-android-Github/docs/ui-tests.md

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2020-09-25 15:34:13 +08:00
# Automate user interface tests
Element Android ensures that some fundamental flows are properly working by running automated user interface tests.
Ui tests are using the android [Espresso](https://developer.android.com/training/testing/espresso) library.
Tests can be run on a real device, or on a virtual device (such as the emulator in Android Studio).
Currently the test are covering a small set of application flows:
- Registration
- Self verification via emoji
- Self verification via passphrase
## Prerequisites:
Out of the box, the tests use one of the homeservers (located at http://localhost:8080) of the "Demo Federation of Homeservers" (https://github.com/matrix-org/synapse#running-a-demo-federation-of-synapses).
You first need to follow instructions to set up Synapse in development mode at https://github.com/matrix-org/synapse#synapse-development. If you have already installed all dependencies, the steps are:
```
$ git clone https://github.com/matrix-org/synapse.git
$ cd synapse
$ virtualenv -p python3 env
$ source env/bin/activate
(env) $ python -m pip install --no-use-pep517 -e .`
```
Every time you want to launch these test homeservers, type:
```
$ virtualenv -p python3 env
$ source env/bin/activate
(env) $ demo/start.sh --no-rate-limit`
```
**Emulator/Device set up**
When running the test via android studio on a device, you have to disable system animations in order for the test to work properly.
First, ensure developer mode is enabled:
- To enable developer options, tap the **Build Number** option 7 times. You can find this option in one of the following locations, depending on your Android version:
- Android 9 (API level 28) and higher: **Settings > About Phone > Build Number**
- Android 8.0.0 (API level 26) and Android 8.1.0 (API level 26): **Settings > System > About Phone > Build Number**
- Android 7.1 (API level 25) and lower: **Settings > About Phone > Build Number**
On your device, under **Settings > Developer options**, disable the following 3 settings:
- Window animation scale
- Transition animation scale
- Animator duration scale
## Recipes
We added some specific Espresso IdlingResources, and other utilities for matrix related tests
### Wait for initial sync
````
// Wait for initial sync and check room list is there
withIdlingResource(initialSyncIdlingResource(uiSession)) {
onView(withId(R.id.roomListContainer))
.check(matches(isDisplayed()))
}
````
### Accessing current activity
````
val activity = EspressoHelper.getCurrentActivity()!!
val uiSession = (activity as HomeActivity).activeSessionHolder.getActiveSession()
````
### Interact with other session
It's possible to create a session via the SDK, and then use this session to interact with the one that the emulator is using (to check verifications for example)
````
@Before
fun initAccount() {
val context = InstrumentationRegistry.getInstrumentation().targetContext
val matrix = Matrix.getInstance(context)
val userName = "foobar_${System.currentTimeMillis()}"
existingSession = createAccountAndSync(matrix, userName, password, true)
}
`````