tutorials/Android-Tutorial-Test-ShowCase
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Fix swapping out Database in tests

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Previously overwrote the object itself for a quick swap of DatabaseInitialization, but that only works over API 24.
So now we will use loadKoinModules instead, which resolves the issue on ani API level
This commit is contained in:
Gergely Hegedus 2022-04-13 19:13:34 +03:00
parent 78a877b0c9
commit 1d2ca90203
11 changed files with 57 additions and 47 deletions
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8
codekata/sharedtests.instructionset.md
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@ -129,10 +129,10 @@ So that's because something went wrong in our first test. I am describing these
Now, here is a new difference between Robolectric and AndroidTest. In Robolectric, before every test, the Application class is initialized, however in AndroidTests, the Application class is only initialized once.
This is great if you want to have End-to-End tests that follow each other, but since now we only want to tests some small subsection of the functionality, we have to restart Koin before every tests if it isn't yet started so our tests don't use the same instances.
We will check if koin is initalized, if it isn't then we simply initalize it:
We will check if koin is initialized, if it isn't then we simply initialize it:
```kotlin
...
DatabaseInitialization.dispatcher = dispatcher
TestDatabaseInitialization.overwriteDatabaseInitialization(dispatcher)
if (GlobalContext.getOrNull() == null) {
val application = ApplicationProvider.getApplicationContext<TestShowcaseApplication>()
val baseUrl = BaseUrl(BuildConfig.BASE_URL)
@ -237,7 +237,7 @@ Let's create a TestRule for that setup next.
val dispatcher = StandardTestDispatcher()
Dispatchers.setMain(dispatcher)
testDispatcher = dispatcher
DatabaseInitialization.dispatcher = dispatcher
TestDatabaseInitialization.overwriteDatabaseInitialization(dispatcher)
// after
Dispatchers.resetMain()
@ -253,7 +253,7 @@ override fun apply(base: Statement, description: Description): Statement = objec
try {
val dispatcher = StandardTestDispatcher()
Dispatchers.setMain(dispatcher)
DatabaseInitialization.dispatcher = dispatcher
TestDatabaseInitialization.overwriteDatabaseInitialization(dispatcher)
_testDispatcher = dispatcher
base.evaluate()
} finally {