30 lines
994 B
Kotlin
30 lines
994 B
Kotlin
package co.electriccoin.zcash.preference.test
|
|
|
|
import co.electriccoin.zcash.preference.api.PreferenceProvider
|
|
import co.electriccoin.zcash.preference.model.entry.PreferenceKey
|
|
import kotlinx.coroutines.flow.Flow
|
|
import kotlinx.coroutines.flow.flow
|
|
|
|
/**
|
|
* @param mutableMapFactory Emits a new mutable map. Thread safety depends on the factory implementation.
|
|
*/
|
|
class MockPreferenceProvider(
|
|
mutableMapFactory: () -> MutableMap<String, String?> = { mutableMapOf() }
|
|
) : PreferenceProvider {
|
|
private val map = mutableMapFactory()
|
|
|
|
override suspend fun getString(key: PreferenceKey) = map[key.key]
|
|
|
|
// For the mock implementation, does not support observability of changes
|
|
override fun observe(key: PreferenceKey): Flow<String?> = flow { emit(getString(key)) }
|
|
|
|
override suspend fun hasKey(key: PreferenceKey) = map.containsKey(key.key)
|
|
|
|
override suspend fun putString(
|
|
key: PreferenceKey,
|
|
value: String?
|
|
) {
|
|
map[key.key] = value
|
|
}
|
|
}
|