Add unit test on AccountProviderDataSource

Author: bmarty

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/accountprovider/AccountProviderDataSourceTest.kt

@@ -0,0 +1,84 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.features.login.impl.accountprovider
+
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.appconfig.AuthenticationConfig
+import io.element.android.features.enterprise.test.FakeEnterpriseService
+import io.element.android.tests.testutils.WarmUpRule
+import kotlinx.coroutines.test.runTest
+import org.junit.Rule
+import org.junit.Test
+
+class AccountProviderDataSourceTest {
+    @get:Rule
+    val warmUpRule = WarmUpRule()
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val sut = AccountProviderDataSource(FakeEnterpriseService())
+        sut.flow().test {
+            val initialState = awaitItem()
+            assertThat(initialState).isEqualTo(
+                AccountProvider(
+                    url = FakeEnterpriseService.A_FAKE_HOMESERVER,
+                    title = FakeEnterpriseService.A_FAKE_HOMESERVER,
+                    subtitle = null,
+                    isPublic = false,
+                    isMatrixOrg = false,
+                    isValid = false,
+                )
+            )
+        }
+    }
+
+    @Test
+    fun `present - initial state - matrix org`() = runTest {
+        val sut = AccountProviderDataSource(FakeEnterpriseService(
+            defaultHomeserverResult = { AuthenticationConfig.MATRIX_ORG_URL }
+        ))
+        sut.flow().test {
+            val initialState = awaitItem()
+            assertThat(initialState).isEqualTo(
+                AccountProvider(
+                    url = AuthenticationConfig.MATRIX_ORG_URL,
+                    title = "matrix.org",
+                    subtitle = null,
+                    isPublic = true,
+                    isMatrixOrg = true,
+                    isValid = false,
+                )
+            )
+        }
+    }
+
+    @Test
+    fun `present - user change and reset`() = runTest {
+        val sut = AccountProviderDataSource(FakeEnterpriseService())
+        sut.flow().test {
+            val initialState = awaitItem()
+            assertThat(initialState.url).isEqualTo(FakeEnterpriseService.A_FAKE_HOMESERVER)
+            sut.userSelection(AccountProvider(url = "https://example.com"))
+            val changedState = awaitItem()
+            assertThat(changedState).isEqualTo(
+                AccountProvider(
+                    url = "https://example.com",
+                    title = "example.com",
+                    subtitle = null,
+                    isPublic = false,
+                    isMatrixOrg = false,
+                    isValid = false,
+                )
+            )
+            sut.reset()
+            val resetState = awaitItem()
+            assertThat(resetState.url).isEqualTo(FakeEnterpriseService.A_FAKE_HOMESERVER)
+        }
+    }
+}