Add automation for metal detector

app/src/androidTest/java/com/kylecorry/trail_sense/test_utils/views/SelectionTestViewExtensions.kt

@@ -2,6 +2,7 @@ package com.kylecorry.trail_sense.test_utils.views
 
 import org.junit.Assert.assertEquals
 
-fun TestView.isChecked(isChecked: Boolean = true) {
+fun TestView.isChecked(isChecked: Boolean = true): TestView {
     assertEquals(uiObject.isChecked, isChecked)
+    return this
 }

app/src/androidTest/java/com/kylecorry/trail_sense/tools/metaldetector/ToolMetalDetectorTest.kt

@@ -0,0 +1,73 @@
+package com.kylecorry.trail_sense.tools.metaldetector
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import androidx.test.core.app.ActivityScenario
+import com.kylecorry.trail_sense.R
+import com.kylecorry.trail_sense.main.MainActivity
+import com.kylecorry.trail_sense.test_utils.TestUtils
+import com.kylecorry.trail_sense.test_utils.TestUtils.mute
+import com.kylecorry.trail_sense.test_utils.TestUtils.unmute
+import com.kylecorry.trail_sense.test_utils.TestUtils.waitFor
+import com.kylecorry.trail_sense.test_utils.views.Side
+import com.kylecorry.trail_sense.test_utils.views.click
+import com.kylecorry.trail_sense.test_utils.views.hasText
+import com.kylecorry.trail_sense.test_utils.views.isChecked
+import com.kylecorry.trail_sense.test_utils.views.toolbarButton
+import com.kylecorry.trail_sense.test_utils.views.view
+import com.kylecorry.trail_sense.tools.tools.infrastructure.Tools
+import dagger.hilt.android.testing.HiltAndroidRule
+import dagger.hilt.android.testing.HiltAndroidTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+
+@HiltAndroidTest
+class ToolMetalDetectorTest {
+
+    @get:Rule
+    var hiltRule = HiltAndroidRule(this)
+
+    @get:Rule
+    val grantPermissionRule = TestUtils.mainPermissionsGranted()
+
+    @get:Rule
+    val instantExec = InstantTaskExecutorRule()
+
+    private lateinit var scenario: ActivityScenario<MainActivity>
+
+    @Before
+    fun setUp() {
+        hiltRule.inject()
+        TestUtils.setWaitForIdleTimeout(100)
+        TestUtils.setupApplication()
+        scenario = TestUtils.startWithTool(Tools.METAL_DETECTOR)
+    }
+
+    @Test
+    fun verifyBasicFunctionality() {
+        // Verify the title
+        waitFor {
+            view(R.id.metal_detector_title).hasText(Regex("\\d+ uT"))
+        }
+
+        // Make sure the chart is visible
+        view(R.id.metal_chart)
+
+        // Can turn on high sensitivity
+        view(R.id.high_sensitivity_toggle)
+            .isChecked(false)
+            .click()
+            .isChecked()
+
+        // Can adjust threshold (just verify it is set)
+        view(R.id.threshold)
+        view(R.id.threshold_amount).hasText("5.0 uT")
+
+        // Can play sound
+        val originalVolume = mute()
+        toolbarButton(R.id.metal_detector_title, Side.Right)
+            .click()
+            .click()
+        unmute(originalVolume)
+    }
+}