feat(health-sdk): Added unit tests for PaymentComponentPreferences

IPC-186

health-sdk/sdk/src/test/java/net/gini/android/health/sdk/paymentComponent/PaymentComponentPreferencesTest.kt

@@ -0,0 +1,58 @@
+package net.gini.android.health.sdk.paymentComponent
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import net.gini.android.health.sdk.paymentcomponent.PaymentComponentPreferences
+import net.gini.android.health.sdk.test.ViewModelTestCoroutineRule
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@ExperimentalCoroutinesApi
+@RunWith(AndroidJUnit4::class)
+class PaymentComponentPreferencesTest {
+
+    @get:Rule
+    val testCoroutineRule = ViewModelTestCoroutineRule()
+    private lateinit var context: Context
+
+    @Before
+    fun setup() {
+        context = ApplicationProvider.getApplicationContext()
+    }
+
+    @Test
+    fun `sets selected payment provider app`() = runTest {
+        // Given
+        val paymentComponentPreferences = PaymentComponentPreferences(context)
+
+        assertThat(paymentComponentPreferences.getSelectedPaymentProviderId()).isNull()
+
+        // When
+        paymentComponentPreferences.saveSelectedPaymentProviderId("123")
+
+        // Then
+        assertThat(paymentComponentPreferences.getSelectedPaymentProviderId()).isEqualTo("123")
+    }
+
+    @Test
+    fun `deletes selected payment provider app`() = runTest {
+        // Given
+        val paymentComponentPreferences = PaymentComponentPreferences(context)
+
+        assertThat(paymentComponentPreferences.getSelectedPaymentProviderId()).isNull()
+        paymentComponentPreferences.saveSelectedPaymentProviderId("123")
+        assertThat(paymentComponentPreferences.getSelectedPaymentProviderId()).isEqualTo("123")
+
+        // When
+        paymentComponentPreferences.deleteSelectedPaymentProviderId()
+
+        // Then
+        assertThat(paymentComponentPreferences.getSelectedPaymentProviderId()).isNull()
+    }
+}