Add MainViewModelTest (#163)

app/src/test/kotlin/com/bitchat/MainViewModelTest.kt

@@ -0,0 +1,99 @@
+package com.bitchat
+
+import com.bitchat.android.MainViewModel
+import com.bitchat.android.onboarding.BatteryOptimizationStatus
+import com.bitchat.android.onboarding.LocationStatus
+import com.bitchat.android.onboarding.OnboardingState
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class MainViewModelTest {
+    private val viewModel = MainViewModel()
+
+    @Test
+    fun shouldUpdateOnboardingStateCorrectly() {
+        val cases = listOf(
+            OnboardingState.ERROR,
+            OnboardingState.CHECKING,
+            OnboardingState.BLUETOOTH_CHECK,
+            OnboardingState.LOCATION_CHECK,
+            OnboardingState.BATTERY_OPTIMIZATION_CHECK,
+            OnboardingState.PERMISSION_REQUESTING,
+            OnboardingState.PERMISSION_EXPLANATION,
+            OnboardingState.COMPLETE,
+            OnboardingState.INITIALIZING
+        )
+
+        cases.forEach { input ->
+            viewModel.updateOnboardingState(input)
+            assertEquals(input, viewModel.onboardingState.value)
+        }
+    }
+
+    @Test
+    fun shouldUpdateLocationStatusCorrectly() {
+        val cases = listOf(
+            LocationStatus.ENABLED,
+            LocationStatus.DISABLED,
+            LocationStatus.NOT_AVAILABLE
+        )
+
+        cases.forEach { input ->
+            viewModel.updateLocationStatus(input)
+            assertEquals(input, viewModel.locationStatus.value)
+        }
+    }
+
+    @Test
+    fun shouldUpdateErrorMessageCorrectly() {
+        val errorMessage = "Error message"
+
+        viewModel.updateErrorMessage(errorMessage)
+
+        assertEquals(errorMessage, viewModel.errorMessage.value)
+    }
+
+    @Test
+    fun shouldUpdateLocationLoadingCorrectly() {
+        val cases = listOf(true, false)
+
+        cases.forEach { input ->
+            viewModel.updateLocationLoading(input)
+            assertEquals(input, viewModel.isLocationLoading.value)
+        }
+    }
+
+    @Test
+    fun shouldUpdateBatteryOptimizationStatus() {
+        val cases = listOf(
+            BatteryOptimizationStatus.ENABLED,
+            BatteryOptimizationStatus.DISABLED,
+            BatteryOptimizationStatus.NOT_SUPPORTED
+        )
+
+        cases.forEach { input ->
+            viewModel.updateBatteryOptimizationStatus(input)
+            assertEquals(input, viewModel.batteryOptimizationStatus.value)
+        }
+    }
+
+    @Test
+    fun shouldUpdateBatteryOptimizationLoadingCorrectly() {
+        val cases = listOf(true, false)
+
+        cases.forEach { input ->
+            viewModel.updateBatteryOptimizationLoading(input)
+            assertEquals(input, viewModel.isBatteryOptimizationLoading.value)
+        }
+    }
+
+    @Test
+    fun shouldUpdateBluetoothLoadingCorrectly() {
+        val cases = listOf(true, false)
+
+        cases.forEach { input ->
+            viewModel.updateBluetoothLoading(input)
+            assertEquals(input, viewModel.isBluetoothLoading.value)
+        }
+    }
+}