BIT-817, BIT-991: Add self-hosted/custom environment functionality (#209)

app/src/main/java/com/x8bit/bitwarden/ui/auth/feature/environment/EnvironmentScreen.kt

@@ -35,6 +35,9 @@ import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.x8bit.bitwarden.R
 import com.x8bit.bitwarden.ui.platform.base.util.EventsEffect
+import com.x8bit.bitwarden.ui.platform.base.util.asText
+import com.x8bit.bitwarden.ui.platform.components.BasicDialogState
+import com.x8bit.bitwarden.ui.platform.components.BitwardenBasicDialog
 import com.x8bit.bitwarden.ui.platform.components.BitwardenListHeaderText
 import com.x8bit.bitwarden.ui.platform.components.BitwardenTextButton
 import com.x8bit.bitwarden.ui.platform.components.BitwardenTextField
@@ -61,6 +64,20 @@ fun EnvironmentScreen(
         }
     }
 
+    BitwardenBasicDialog(
+        visibilityState = if (state.shouldShowErrorDialog) {
+            BasicDialogState.Shown(
+                title = R.string.an_error_has_occurred.asText(),
+                message = R.string.environment_page_urls_error.asText(),
+            )
+        } else {
+            BasicDialogState.Hidden
+        },
+        onDismissRequest = remember(viewModel) {
+            { viewModel.trySendAction(EnvironmentAction.ErrorDialogDismiss) }
+        },
+    )
+
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
     Scaffold(
         modifier = Modifier

app/src/main/java/com/x8bit/bitwarden/ui/auth/feature/environment/EnvironmentViewModel.kt

@@ -3,9 +3,15 @@ package com.x8bit.bitwarden.ui.auth.feature.environment
 import android.os.Parcelable
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
+import com.x8bit.bitwarden.R
+import com.x8bit.bitwarden.data.auth.datasource.disk.model.EnvironmentUrlDataJson
+import com.x8bit.bitwarden.data.platform.repository.EnvironmentRepository
+import com.x8bit.bitwarden.data.platform.repository.model.Environment
+import com.x8bit.bitwarden.data.platform.util.orNullIfBlank
 import com.x8bit.bitwarden.ui.platform.base.BaseViewModel
 import com.x8bit.bitwarden.ui.platform.base.util.Text
 import com.x8bit.bitwarden.ui.platform.base.util.asText
+import com.x8bit.bitwarden.ui.platform.base.util.isValidUri
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -20,17 +26,26 @@ private const val KEY_STATE = "state"
  */
 @HiltViewModel
 class EnvironmentViewModel @Inject constructor(
+    private val environmentRepository: EnvironmentRepository,
     private val savedStateHandle: SavedStateHandle,
 ) : BaseViewModel<EnvironmentState, EnvironmentEvent, EnvironmentAction>(
-    // TODO: Pull non-saved state from EnvironmentRepository (BIT-817)
+    initialState = savedStateHandle[KEY_STATE] ?: run {
-    initialState = savedStateHandle[KEY_STATE]
+        val environmentUrlData = when (val environment = environmentRepository.environment) {
-        ?: EnvironmentState(
+            Environment.Us,
-            serverUrl = "",
+            Environment.Eu,
-            webVaultServerUrl = "",
+            -> EnvironmentUrlDataJson(base = "")
-            apiServerUrl = "",
+
-            identityServerUrl = "",
+            is Environment.SelfHosted -> environment.environmentUrlData
-            iconsServerUrl = "",
+        }
-        ),
+        EnvironmentState(
+            serverUrl = environmentUrlData.base,
+            webVaultServerUrl = environmentUrlData.webVault.orEmpty(),
+            apiServerUrl = environmentUrlData.api.orEmpty(),
+            identityServerUrl = environmentUrlData.identity.orEmpty(),
+            iconsServerUrl = environmentUrlData.icon.orEmpty(),
+            shouldShowErrorDialog = false,
+        )
+    },
 ) {
 
     init {
@@ -44,6 +59,7 @@ class EnvironmentViewModel @Inject constructor(
     override fun handleAction(action: EnvironmentAction): Unit = when (action) {
         is EnvironmentAction.CloseClick -> handleCloseClickAction()
         is EnvironmentAction.SaveClick -> handleSaveClickAction()
+        is EnvironmentAction.ErrorDialogDismiss -> handleErrorDialogDismiss()
         is EnvironmentAction.ServerUrlChange -> handleServerUrlChangeAction(action)
         is EnvironmentAction.WebVaultServerUrlChange -> handleWebVaultServerUrlChangeAction(action)
         is EnvironmentAction.ApiServerUrlChange -> handleApiServerUrlChangeAction(action)
@@ -56,8 +72,48 @@ class EnvironmentViewModel @Inject constructor(
     }
 
     private fun handleSaveClickAction() {
-        // TODO: Save custom value (BIT-817)
+        val state = mutableStateFlow.value
-        sendEvent(EnvironmentEvent.ShowToast("Not yet implemented.".asText()))
+
+        val urlsAreAllNullOrValid = listOf(
+            state.serverUrl,
+            state.webVaultServerUrl,
+            state.apiServerUrl,
+            state.identityServerUrl,
+            state.iconsServerUrl,
+        )
+            .map { it.orNullIfBlank() }
+            .all { url ->
+                url == null || url.isValidUri()
+            }
+
+        if (!urlsAreAllNullOrValid) {
+            mutableStateFlow.update { it.copy(shouldShowErrorDialog = true) }
+            return
+        }
+
+        // Ensure all non-null/non-empty values have "http(s)://" prefixed.
+        val updatedServerUrl = state.serverUrl.prefixHttpsIfNecessaryOrNull() ?: ""
+        val updatedWebVaultServerUrl = state.webVaultServerUrl.prefixHttpsIfNecessaryOrNull()
+        val updatedApiServerUrl = state.apiServerUrl.prefixHttpsIfNecessaryOrNull()
+        val updatedIdentityServerUrl = state.identityServerUrl.prefixHttpsIfNecessaryOrNull()
+        val updatedIconsServerUrl = state.iconsServerUrl.prefixHttpsIfNecessaryOrNull()
+
+        environmentRepository.environment = Environment.SelfHosted(
+            environmentUrlData = EnvironmentUrlDataJson(
+                base = updatedServerUrl,
+                api = updatedApiServerUrl,
+                identity = updatedIdentityServerUrl,
+                icon = updatedIconsServerUrl,
+                webVault = updatedWebVaultServerUrl,
+            ),
+        )
+
+        sendEvent(EnvironmentEvent.ShowToast(message = R.string.environment_saved.asText()))
+        sendEvent(EnvironmentEvent.NavigateBack)
+    }
+
+    private fun handleErrorDialogDismiss() {
+        mutableStateFlow.update { it.copy(shouldShowErrorDialog = false) }
     }
 
     private fun handleServerUrlChangeAction(
@@ -111,6 +167,7 @@ data class EnvironmentState(
     val apiServerUrl: String,
     val identityServerUrl: String,
     val iconsServerUrl: String,
+    val shouldShowErrorDialog: Boolean,
 ) : Parcelable
 
 /**
@@ -144,6 +201,11 @@ sealed class EnvironmentAction {
      */
     data object SaveClick : EnvironmentAction()
 
+    /**
+     * User dismissed an error dialog.
+     */
+    data object ErrorDialogDismiss : EnvironmentAction()
+
     /**
      * Indicates that the overall server URL has changed.
      */
@@ -179,3 +241,14 @@ sealed class EnvironmentAction {
         val iconsServerUrl: String,
     ) : EnvironmentAction()
 }
+
+/**
+ * If the given [String] is a valid URI, "https://" will be appended if it is not already present.
+ * Otherwise `null` will be returned.
+ */
+private fun String.prefixHttpsIfNecessaryOrNull(): String? =
+    when {
+        this.isBlank() || !this.isValidUri() -> null
+        "http://" in this || "https://" in this -> this
+        else -> "https://$this"
+    }

app/src/main/java/com/x8bit/bitwarden/ui/auth/feature/login/LoginViewModel.kt

@@ -12,6 +12,7 @@ import com.x8bit.bitwarden.data.auth.repository.model.LoginResult
 import com.x8bit.bitwarden.data.auth.repository.util.CaptchaCallbackTokenResult
 import com.x8bit.bitwarden.data.auth.repository.util.generateUriForCaptcha
 import com.x8bit.bitwarden.data.platform.repository.EnvironmentRepository
+import com.x8bit.bitwarden.data.platform.repository.model.Environment
 import com.x8bit.bitwarden.ui.platform.base.BaseViewModel
 import com.x8bit.bitwarden.ui.platform.base.util.Text
 import com.x8bit.bitwarden.ui.platform.base.util.asText
@@ -23,6 +24,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import kotlinx.parcelize.Parcelize
+import java.net.URI
 import javax.inject.Inject
 
 private const val KEY_STATE = "state"
@@ -41,7 +43,7 @@ class LoginViewModel @Inject constructor(
             emailAddress = LoginArgs(savedStateHandle).emailAddress,
             isLoginButtonEnabled = true,
             passwordInput = "",
-            environmentLabel = environmentRepository.environment.label,
+            environmentLabel = environmentRepository.environment.labelOrBaseUrlHost,
             loadingDialogState = LoadingDialogState.Hidden,
             errorDialogState = BasicDialogState.Hidden,
             captchaToken = LoginArgs(savedStateHandle).captchaToken,
@@ -280,3 +282,23 @@ sealed class LoginAction {
         ) : Internal()
     }
 }
+
+/**
+ * Returns the [Environment.label] for non-custom values. Otherwise returns the host of the
+ * custom base URL.
+ */
+private val Environment.labelOrBaseUrlHost: Text
+    get() = when (this) {
+        is Environment.Us -> this.label
+        is Environment.Eu -> this.label
+        is Environment.SelfHosted -> {
+            // Grab the domain
+            // Ex:
+            // - "https://www.abc.com/path-1/path-1" -> "www.abc.com"
+            URI
+                .create(this.environmentUrlData.base)
+                .host
+                .orEmpty()
+                .asText()
+        }
+    }

app/src/main/java/com/x8bit/bitwarden/ui/platform/base/util/StringExtensions.kt

@@ -1,8 +1,23 @@
 package com.x8bit.bitwarden.ui.platform.base.util
 
+import java.net.URI
+
 /**
  * Whether or not string is a valid email address.
  *
  * This just checks if the string contains the "@" symbol.
  */
 fun String.isValidEmail(): Boolean = contains("@")
+
+/**
+ * Returns `true` if the given [String] is a non-blank, valid URI and `false` otherwise.
+ *
+ * Note that this does not require the URI to contain a URL scheme like `https://`.
+ */
+fun String.isValidUri(): Boolean =
+    try {
+        URI.create(this)
+        this.isNotBlank()
+    } catch (_: IllegalArgumentException) {
+        false
+    }

app/src/test/java/com/x8bit/bitwarden/ui/auth/feature/environment/EnvironmentScreenTest.kt

@@ -1,6 +1,12 @@
 package com.x8bit.bitwarden.ui.auth.feature.environment
 
+import androidx.compose.ui.test.assert
+import androidx.compose.ui.test.assertIsDisplayed
 import androidx.compose.ui.test.assertTextEquals
+import androidx.compose.ui.test.filterToOne
+import androidx.compose.ui.test.hasAnyAncestor
+import androidx.compose.ui.test.isDialog
+import androidx.compose.ui.test.onAllNodesWithText
 import androidx.compose.ui.test.onNodeWithContentDescription
 import androidx.compose.ui.test.onNodeWithText
 import androidx.compose.ui.test.performClick
@@ -59,6 +65,49 @@ class EnvironmentScreenTest : BaseComposeTest() {
         }
     }
 
+    @Test
+    fun `error dialog should be shown or hidden according to the state`() {
+        composeTestRule.onNode(isDialog()).assertDoesNotExist()
+
+        mutableStateFlow.update {
+            it.copy(
+                shouldShowErrorDialog = true,
+            )
+        }
+
+        composeTestRule.onNode(isDialog()).assertIsDisplayed()
+
+        composeTestRule
+            .onNodeWithText("An error has occurred.")
+            .assert(hasAnyAncestor(isDialog()))
+            .assertIsDisplayed()
+        composeTestRule
+            .onNodeWithText(
+                "One or more of the URLs entered are invalid. " +
+                    "Please revise it and try to save again.",
+            )
+            .assert(hasAnyAncestor(isDialog()))
+            .assertIsDisplayed()
+        composeTestRule
+            .onNodeWithText("Ok")
+            .assert(hasAnyAncestor(isDialog()))
+            .assertIsDisplayed()
+    }
+
+    @Test
+    fun `error dialog OK click should send ErrorDialogDismiss action`() {
+        mutableStateFlow.update {
+            it.copy(
+                shouldShowErrorDialog = true,
+            )
+        }
+        composeTestRule
+            .onAllNodesWithText("Ok")
+            .filterToOne(hasAnyAncestor(isDialog()))
+            .performClick()
+        verify { viewModel.trySendAction(EnvironmentAction.ErrorDialogDismiss) }
+    }
+
     @Test
     fun `server URL should change according to the state`() {
         composeTestRule
@@ -195,6 +244,7 @@ class EnvironmentScreenTest : BaseComposeTest() {
             apiServerUrl = "",
             identityServerUrl = "",
             iconsServerUrl = "",
+            shouldShowErrorDialog = false,
         )
     }
 }

app/src/test/java/com/x8bit/bitwarden/ui/auth/feature/environment/EnvironmentViewModelTest.kt

@@ -2,6 +2,10 @@ package com.x8bit.bitwarden.ui.auth.feature.environment
 
 import androidx.lifecycle.SavedStateHandle
 import app.cash.turbine.test
+import com.x8bit.bitwarden.R
+import com.x8bit.bitwarden.data.auth.datasource.disk.model.EnvironmentUrlDataJson
+import com.x8bit.bitwarden.data.platform.repository.model.Environment
+import com.x8bit.bitwarden.data.platform.repository.util.FakeEnvironmentRepository
 import com.x8bit.bitwarden.ui.platform.base.BaseViewModelTest
 import com.x8bit.bitwarden.ui.platform.base.util.asText
 import kotlinx.coroutines.test.runTest
@@ -10,8 +14,11 @@ import org.junit.jupiter.api.Test
 
 class EnvironmentViewModelTest : BaseViewModelTest() {
 
+    private val fakeEnvironmentRepository = FakeEnvironmentRepository()
+
+    @Suppress("MaxLineLength")
     @Test
-    fun `initial state should be correct when there is no saved state`() {
+    fun `initial state should be correct when there is no saved state and the current environment is not self-hosted`() {
         val viewModel = createViewModel()
         assertEquals(
             DEFAULT_STATE,
@@ -19,9 +26,35 @@ class EnvironmentViewModelTest : BaseViewModelTest() {
         )
     }
 
+    @Suppress("MaxLineLength")
+    @Test
+    fun `initial state should be correct when there is no saved state and the current environment is self-hosted`() {
+        val selfHostedEnvironmentUrlData = EnvironmentUrlDataJson(
+            base = "self-hosted-base",
+            api = "self-hosted-api",
+            identity = "self-hosted-identity",
+            icon = "self-hosted-icons",
+            webVault = "self-hosted-web-vault",
+        )
+        fakeEnvironmentRepository.environment = Environment.SelfHosted(
+            environmentUrlData = selfHostedEnvironmentUrlData,
+        )
+        val viewModel = createViewModel()
+        assertEquals(
+            DEFAULT_STATE.copy(
+                serverUrl = "self-hosted-base",
+                webVaultServerUrl = "self-hosted-web-vault",
+                apiServerUrl = "self-hosted-api",
+                identityServerUrl = "self-hosted-identity",
+                iconsServerUrl = "self-hosted-icons",
+            ),
+            viewModel.stateFlow.value,
+        )
+    }
+
     @Test
     fun `initial state should be correct when restoring from the save state handle`() {
-        val savedState = EnvironmentState(
+        val savedState = DEFAULT_STATE.copy(
             serverUrl = "saved-server",
             webVaultServerUrl = "saved-web-vault",
             apiServerUrl = "saved-api",
@@ -36,7 +69,7 @@ class EnvironmentViewModelTest : BaseViewModelTest() {
             ),
         )
         assertEquals(
-            EnvironmentState(
+            DEFAULT_STATE.copy(
                 serverUrl = "saved-server",
                 webVaultServerUrl = "saved-web-vault",
                 apiServerUrl = "saved-api",
@@ -57,17 +90,149 @@ class EnvironmentViewModelTest : BaseViewModelTest() {
     }
 
     @Test
-    fun `SaveClick should emit ShowTest`() = runTest {
+    fun `SaveClick should show the error dialog when any URLs are invalid`() = runTest {
+        assertEquals(
+            Environment.Us,
+            fakeEnvironmentRepository.environment,
+        )
+
         val viewModel = createViewModel()
-        viewModel.eventFlow.test {
+        // Update to valid absolute URL
-            viewModel.actionChannel.trySend(EnvironmentAction.SaveClick)
+        listOf(
-            assertEquals(
+            EnvironmentAction.WebVaultServerUrlChange(
-                EnvironmentEvent.ShowToast("Not yet implemented.".asText()),
+                webVaultServerUrl = "web vault",
-                awaitItem(),
+            ),
-            )
+        )
-        }
+            .forEach { viewModel.trySendAction(it) }
+
+        val initialState = DEFAULT_STATE.copy(webVaultServerUrl = "web vault")
+        assertEquals(
+            initialState,
+            viewModel.stateFlow.value,
+        )
+
+        viewModel.actionChannel.trySend(EnvironmentAction.SaveClick)
+
+        assertEquals(
+            initialState.copy(
+                shouldShowErrorDialog = true,
+            ),
+            viewModel.stateFlow.value,
+        )
+
+        // The Environment has not been updated
+        assertEquals(
+            Environment.Us,
+            fakeEnvironmentRepository.environment,
+        )
     }
 
+    @Suppress("MaxLineLength")
+    @Test
+    fun `SaveClick should emit NavigateBack and ShowToast and update the environment when all URLs are valid`() =
+        runTest {
+            assertEquals(
+                Environment.Us,
+                fakeEnvironmentRepository.environment,
+            )
+
+            val viewModel = createViewModel()
+            // Update to valid absolute or relative URLs
+            listOf(
+                EnvironmentAction.ServerUrlChange(
+                    serverUrl = "https://server-url",
+                ),
+                EnvironmentAction.WebVaultServerUrlChange(
+                    webVaultServerUrl = "http://web-vault-url",
+                ),
+                EnvironmentAction.ApiServerUrlChange(
+                    apiServerUrl = "api-url",
+                ),
+                EnvironmentAction.IdentityServerUrlChange(
+                    identityServerUrl = "identity-url",
+                ),
+                EnvironmentAction.IconsServerUrlChange(
+                    iconsServerUrl = "icons-url",
+                ),
+            )
+                .forEach { viewModel.trySendAction(it) }
+
+            viewModel.eventFlow.test {
+                viewModel.actionChannel.trySend(EnvironmentAction.SaveClick)
+
+                assertEquals(
+                    EnvironmentEvent.ShowToast(R.string.environment_saved.asText()),
+                    awaitItem(),
+                )
+                assertEquals(
+                    EnvironmentEvent.NavigateBack,
+                    awaitItem(),
+                )
+                // All the updated URLs should be prefixed with "https://" or "http://"
+                assertEquals(
+                    Environment.SelfHosted(
+                        environmentUrlData = EnvironmentUrlDataJson(
+                            base = "https://server-url",
+                            api = "https://api-url",
+                            identity = "https://identity-url",
+                            icon = "https://icons-url",
+                            notifications = null,
+                            webVault = "http://web-vault-url",
+                            events = null,
+                        ),
+                    ),
+                    fakeEnvironmentRepository.environment,
+                )
+            }
+        }
+
+    @Suppress("MaxLineLength")
+    @Test
+    fun `SaveClick should emit NavigateBack and ShowToast and update the environment when some URLs are valid and others are null`() =
+        runTest {
+            assertEquals(
+                Environment.Us,
+                fakeEnvironmentRepository.environment,
+            )
+
+            val viewModel = createViewModel()
+            // Update to valid absolute URL
+            listOf(
+                EnvironmentAction.WebVaultServerUrlChange(
+                    webVaultServerUrl = "http://web-vault-url",
+                ),
+            )
+                .forEach { viewModel.trySendAction(it) }
+
+            viewModel.eventFlow.test {
+                viewModel.actionChannel.trySend(EnvironmentAction.SaveClick)
+
+                assertEquals(
+                    EnvironmentEvent.ShowToast(R.string.environment_saved.asText()),
+                    awaitItem(),
+                )
+                assertEquals(
+                    EnvironmentEvent.NavigateBack,
+                    awaitItem(),
+                )
+                // All the updated URLs should be prefixed with "https://" or "http://"
+                assertEquals(
+                    Environment.SelfHosted(
+                        environmentUrlData = EnvironmentUrlDataJson(
+                            base = "",
+                            api = null,
+                            identity = null,
+                            icon = null,
+                            notifications = null,
+                            webVault = "http://web-vault-url",
+                            events = null,
+                        ),
+                    ),
+                    fakeEnvironmentRepository.environment,
+                )
+            }
+        }
+
     @Test
     fun `ServerUrlChange should update the server URL`() {
         val viewModel = createViewModel()
@@ -134,6 +299,7 @@ class EnvironmentViewModelTest : BaseViewModelTest() {
         savedStateHandle: SavedStateHandle = SavedStateHandle(),
     ): EnvironmentViewModel =
         EnvironmentViewModel(
+            environmentRepository = fakeEnvironmentRepository,
             savedStateHandle = savedStateHandle,
         )
 
@@ -146,6 +312,7 @@ class EnvironmentViewModelTest : BaseViewModelTest() {
             apiServerUrl = "",
             identityServerUrl = "",
             iconsServerUrl = "",
+            shouldShowErrorDialog = false,
         )
     }
 }

app/src/test/java/com/x8bit/bitwarden/ui/auth/feature/landing/LandingViewModelTest.kt

@@ -149,23 +149,6 @@ class LandingViewModelTest : BaseViewModelTest() {
             }
         }
 
-    @Test
-    fun `external environment updates should update the selected environment type`() = runTest {
-        val viewModel = createViewModel()
-        viewModel.stateFlow.test {
-            assertEquals(DEFAULT_STATE, awaitItem())
-
-            fakeEnvironmentRepository.environment = Environment.Eu
-
-            assertEquals(
-                DEFAULT_STATE.copy(
-                    selectedEnvironmentType = Environment.Type.EU,
-                ),
-                awaitItem(),
-            )
-        }
-    }
-
     @Test
     fun `EnvironmentTypeSelect should update value of selected region for US or EU`() = runTest {
         val inputEnvironmentType = Environment.Type.EU

app/src/test/java/com/x8bit/bitwarden/ui/auth/feature/login/LoginViewModelTest.kt

@@ -4,6 +4,7 @@ import android.net.Uri
 import androidx.lifecycle.SavedStateHandle
 import app.cash.turbine.test
 import com.x8bit.bitwarden.R
+import com.x8bit.bitwarden.data.auth.datasource.disk.model.EnvironmentUrlDataJson
 import com.x8bit.bitwarden.data.auth.repository.AuthRepository
 import com.x8bit.bitwarden.data.auth.repository.model.LoginResult
 import com.x8bit.bitwarden.data.auth.repository.util.CaptchaCallbackTokenResult
@@ -44,7 +45,7 @@ class LoginViewModelTest : BaseViewModelTest() {
     }
 
     @Test
-    fun `initial state should be correct`() = runTest {
+    fun `initial state should be correct for non-custom Environments`() = runTest {
         val viewModel = LoginViewModel(
             authRepository = mockk {
                 every { captchaTokenResultFlow } returns flowOf()
@@ -59,6 +60,57 @@ class LoginViewModelTest : BaseViewModelTest() {
         }
     }
 
+    @Test
+    fun `initial state should be correct for custom Environments with empty base URLs`() = runTest {
+        val viewModel = LoginViewModel(
+            authRepository = mockk {
+                every { captchaTokenResultFlow } returns flowOf()
+            },
+            environmentRepository = mockk {
+                every { environment } returns Environment.SelfHosted(
+                    environmentUrlData = EnvironmentUrlDataJson(
+                        base = "",
+                    ),
+                )
+            },
+            savedStateHandle = savedStateHandle,
+        )
+        viewModel.stateFlow.test {
+            assertEquals(
+                DEFAULT_STATE.copy(
+                    environmentLabel = "".asText(),
+                ),
+                awaitItem(),
+            )
+        }
+    }
+
+    @Test
+    fun `initial state should be correct for custom Environments with non-empty base URLs`() =
+        runTest {
+            val viewModel = LoginViewModel(
+                authRepository = mockk {
+                    every { captchaTokenResultFlow } returns flowOf()
+                },
+                environmentRepository = mockk {
+                    every { environment } returns Environment.SelfHosted(
+                        environmentUrlData = EnvironmentUrlDataJson(
+                            base = "https://abc.com/path-1/path-2",
+                        ),
+                    )
+                },
+                savedStateHandle = savedStateHandle,
+            )
+            viewModel.stateFlow.test {
+                assertEquals(
+                    DEFAULT_STATE.copy(
+                        environmentLabel = "abc.com".asText(),
+                    ),
+                    awaitItem(),
+                )
+            }
+        }
+
     @Test
     fun `initial state should pull from handle when present`() = runTest {
         val expectedState = DEFAULT_STATE.copy(

app/src/test/java/com/x8bit/bitwarden/ui/platform/base/util/StringExtensionTest.kt

@@ -29,4 +29,42 @@ class StringExtensionTest {
             assertTrue(it.isValidEmail())
         }
     }
+
+    @Test
+    fun `isValidUri should return true for an absolute URL`() {
+        assertTrue("https://abc.com".isValidUri())
+    }
+
+    @Test
+    fun `isValidUri should return true for an absolute non-URL path`() {
+        assertTrue("file:///abc/com".isValidUri())
+    }
+
+    @Test
+    fun `isValidUri should return true for a relative URI`() {
+        assertTrue("abc.com".isValidUri())
+    }
+
+    @Test
+    fun `isValidUri should return false for a blank or empty String`() {
+        listOf(
+            "",
+            "  ",
+        )
+            .forEach { badUri ->
+                assertFalse(badUri.isValidUri())
+            }
+    }
+
+    @Test
+    fun `isValidUri should return false when there are invalid characters present`() {
+        listOf(
+            "abc com",
+            "abc<>com",
+            "abc[]com",
+        )
+            .forEach { badUri ->
+                assertFalse(badUri.isValidUri())
+            }
+    }
 }