feat: opt-in release candidate update channel (#1199)

app/src/androidTest/java/com/m57/hermescontrol/ui/settings/components/AboutSectionReleaseCandidateTest.kt

@@ -0,0 +1,97 @@
+package com.m57.hermescontrol.ui.settings.components
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsEnabled
+import androidx.compose.ui.test.assertIsNotEnabled
+import androidx.compose.ui.test.assertIsOff
+import androidx.compose.ui.test.assertIsOn
+import androidx.compose.ui.test.isToggleable
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import com.m57.hermescontrol.data.update.AppUpdateState
+import org.junit.Assert.assertEquals
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * The opt-in release-candidate switch on the About tab: stable-only default,
+ * one callback per tap, and no channel flip while an APK is in flight.
+ */
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class AboutSectionReleaseCandidateTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun stableOnlyByDefault_tapReportsOptIn() {
+        var reported: Boolean? = null
+        composeTestRule.setContent {
+            AboutSection(
+                updateState = AppUpdateState.Idle,
+                checkReleaseCandidateUpdates = false,
+                onCheckReleaseCandidateUpdatesChange = { reported = it },
+            )
+        }
+
+        composeTestRule.onNodeWithText(RC_TITLE).assertIsDisplayed()
+        composeTestRule.onNode(isToggleable()).assertIsOff()
+
+        composeTestRule.onNode(isToggleable()).performClick()
+
+        assertEquals(true, reported)
+    }
+
+    @Test
+    fun optedIn_switchShowsChecked() {
+        composeTestRule.setContent {
+            AboutSection(
+                updateState = AppUpdateState.Idle,
+                checkReleaseCandidateUpdates = true,
+            )
+        }
+
+        composeTestRule.onNode(isToggleable()).assertIsOn()
+    }
+
+    @Test
+    fun downloading_disablesTheChannelSwitch() {
+        composeTestRule.setContent {
+            AboutSection(
+                updateState = AppUpdateState.Downloading(0.5f),
+                checkReleaseCandidateUpdates = false,
+            )
+        }
+
+        composeTestRule.onNode(isToggleable()).assertIsNotEnabled()
+    }
+
+    @Test
+    fun installing_disablesTheChannelSwitch() {
+        composeTestRule.setContent {
+            AboutSection(
+                updateState = AppUpdateState.Installing("v1.25.0-rc.3"),
+                checkReleaseCandidateUpdates = true,
+            )
+        }
+
+        composeTestRule.onNode(isToggleable()).assertIsNotEnabled()
+    }
+
+    @Test
+    fun idle_keepsTheChannelSwitchEnabled() {
+        composeTestRule.setContent {
+            AboutSection(updateState = AppUpdateState.UpToDate("v1.24.2"))
+        }
+
+        composeTestRule.onNode(isToggleable()).assertIsEnabled()
+    }
+
+    private companion object {
+        const val RC_TITLE = "Check release candidate updates"
+    }
+}