android: add level-triggered radio and inline activation settings

tools/chatgui-android/app/src/test/java/com/utun/chat/data/RadioAutoSettingsTest.kt

@@ -0,0 +1,70 @@
+package com.utun.chat.data
+
+import org.junit.Assert.*
+import org.junit.Test
+
+class RadioAutoSettingsTest {
+    @Test fun validatesWholeThresholdPairAndBothModes() {
+        for (mode in listOf(RadioAutoSettings.VAD, RadioAutoSettings.LEVEL)) {
+            val settings = RadioAutoSettings(mode = mode)
+            assertTrue(settings.valid())
+            assertTrue(settings.copy(levelOn = 0, levelOff = -90).valid())
+            assertFalse(settings.copy(levelOn = -45, levelOff = -45).valid())
+            assertFalse(settings.copy(levelOn = -50, levelOff = -40).valid())
+            assertFalse(settings.copy(levelOff = -91).valid())
+            assertFalse(settings.copy(levelOn = 1).valid())
+            assertFalse(settings.copy(hangoverMs = 49).valid())
+            assertFalse(settings.copy(hangoverMs = 2001).valid())
+            assertFalse(settings.copy(vadThreshold = 96).valid())
+            assertFalse(settings.copy(vadGain = 0).valid())
+        }
+        assertFalse(RadioAutoSettings(mode = RadioAutoSettings.OFF).valid())
+        assertFalse(RadioAutoSettings(mode = 3).valid())
+    }
+
+    @Test fun nativeSnapshotHasExplicitModeAndSignedThresholds() {
+        val settings = RadioAutoSettings(true, RadioAutoSettings.LEVEL, -40, -60, 500, 70, 20)
+        assertArrayEquals(intArrayOf(1, 2, -40, -60, 500, 70, 20), settings.nativeValues())
+        assertEquals(0, settings.copy(enabled = false).nativeValues()[0])
+    }
+
+    @Test fun monitorNeverEnablesTransmissionAndReleasesCaptureWhenHidden() {
+        for (mode in listOf(RadioAutoSettings.VAD, RadioAutoSettings.LEVEL)) {
+            val settings = RadioAutoSettings(mode = mode)
+            assertNull(radioCaptureMode(true, true, true, settings, manual = false, monitor = false))
+            assertEquals(RadioAutoSettings.OFF, radioCaptureMode(true, true, true, settings, manual = false, monitor = true))
+            assertNull(radioCaptureMode(true, false, true, settings, manual = false, monitor = true))
+            assertNull(radioCaptureMode(false, true, true, settings, manual = true, monitor = true))
+        }
+    }
+
+    @Test fun bothDetectorsShareScreenAndBackgroundGatesWithManualOverride() {
+        for (mode in listOf(RadioAutoSettings.VAD, RadioAutoSettings.LEVEL)) {
+            val settings = RadioAutoSettings(enabled = true, mode = mode)
+            assertEquals(mode, radioCaptureMode(true, true, true, settings, manual = false, monitor = false))
+            assertNull(radioCaptureMode(true, true, false, settings, manual = false, monitor = false))
+            assertNull(radioCaptureMode(true, false, true, settings, manual = false, monitor = false))
+            assertEquals(RadioAutoSettings.OFF, radioCaptureMode(true, false, false, settings, manual = true, monitor = false))
+            assertEquals(RadioAutoSettings.OFF, radioCaptureMode(true, true, false, settings, manual = false, monitor = true))
+            assertEquals(mode, radioCaptureMode(true, true, true, settings, manual = true, monitor = true))
+        }
+    }
+
+    @Test fun foregroundIsUnlimitedAndEveryBackgroundPeriodGetsNewWindow() {
+        val duration = 15 * 60 * 1000L
+        val window = RadioVadWindow(duration)
+        window.setForeground(true, 100)
+        window.setEnabled(true, 100)
+        assertTrue(window.isAllowed(2 * 60 * 60 * 1000L))
+        window.setForeground(false, 8_000_000)
+        assertTrue(window.isAllowed(8_000_000 + duration - 1))
+        assertFalse(window.isAllowed(8_000_000 + duration))
+        window.setForeground(true, 9_000_000)
+        window.setForeground(false, 10_000_000)
+        assertEquals(duration, window.timeLeftMs(10_000_000))
+        window.close()
+        assertFalse(window.isAllowed(10_000_001))
+        window.restart(10_000_100)
+        assertTrue(window.isAllowed(10_000_101))
+    }
+}