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chore: added test for MapsInLazyColumn #695
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113 changes: 113 additions & 0 deletions
113
maps-app/src/androidTest/java/com/google/maps/android/compose/MapsInLazyColumnTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package com.google.maps.android.compose | ||
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| import androidx.compose.foundation.lazy.rememberLazyListState | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.derivedStateOf | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.test.assertIsDisplayed | ||
| import androidx.compose.ui.test.junit4.createComposeRule | ||
| import androidx.compose.ui.test.onNodeWithTag | ||
| import androidx.compose.ui.test.onRoot | ||
| import androidx.compose.ui.test.performTouchInput | ||
| import androidx.compose.ui.test.swipeUp | ||
| import com.google.android.gms.maps.model.CameraPosition | ||
| import com.google.android.gms.maps.model.LatLng | ||
| import org.junit.Assert.assertTrue | ||
| import org.junit.Before | ||
| import org.junit.Rule | ||
| import org.junit.Test | ||
| import java.util.concurrent.CountDownLatch | ||
| import java.util.concurrent.TimeUnit | ||
|
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| class MapsInLazyColumnTests { | ||
| @get:Rule | ||
| val composeTestRule = createComposeRule() | ||
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| private val mapItems = listOf( | ||
| MapListItem(id = "1", location = LatLng(1.23, 4.56), zoom = 10f, title = "Item 1"), | ||
| MapListItem(id = "2", location = LatLng(7.89, 0.12), zoom = 12f, title = "Item 2"), | ||
| MapListItem(id = "3", location = LatLng(3.45, 6.78), zoom = 11f, title = "Item 3"), | ||
| MapListItem(id = "4", location = LatLng(9.01, 2.34), zoom = 13f, title = "Item 4"), | ||
| MapListItem(id = "5", location = LatLng(5.67, 8.90), zoom = 9f, title = "Item 5"), | ||
| MapListItem(id = "6", location = LatLng(4.32, 7.65), zoom = 14f, title = "Item 6"), | ||
| MapListItem(id = "7", location = LatLng(8.76, 1.23), zoom = 10f, title = "Item 7"), | ||
| MapListItem(id = "8", location = LatLng(2.98, 6.54), zoom = 12f, title = "Item 8"), | ||
| MapListItem(id = "9", location = LatLng(7.65, 3.21), zoom = 11f, title = "Item 9"), | ||
| MapListItem(id = "10", location = LatLng(0.12, 9.87), zoom = 13f, title = "Item 10"), | ||
| ) | ||
|
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|
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| private lateinit var cameraPositionStates: Map<MapItemId, CameraPositionState> | ||
|
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| private fun initMaps() { | ||
| check(hasValidApiKey) { "Maps API key not specified" } | ||
|
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| composeTestRule.setContent { | ||
| val lazyListState = rememberLazyListState() | ||
| val visibleMapCount = remember { mutableStateOf(0) } | ||
|
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| val visibleItems by remember { | ||
| derivedStateOf { | ||
| lazyListState.layoutInfo.visibleItemsInfo.size | ||
| } | ||
| } | ||
|
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| LaunchedEffect(visibleItems) { | ||
| visibleMapCount.value = visibleItems | ||
| } | ||
|
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| val countDownLatch = CountDownLatch(visibleMapCount.value) | ||
|
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| MapsInLazyColumn( | ||
| mapItems, | ||
| lazyListState = lazyListState, | ||
| onMapLoaded = { | ||
| countDownLatch.countDown() | ||
| } | ||
| ) | ||
|
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| LaunchedEffect(Unit) { | ||
| val mapsLoaded = countDownLatch.await(30, TimeUnit.SECONDS) | ||
| assertTrue("Visible maps loaded", mapsLoaded) | ||
| } | ||
| } | ||
| } | ||
|
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| @Before | ||
| fun setUp() { | ||
| cameraPositionStates = mapItems.associate { item -> | ||
| item.id to CameraPositionState( | ||
| position = CameraPosition.fromLatLngZoom(item.location, item.zoom) | ||
| ) | ||
| } | ||
| } | ||
|
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||
| @Test | ||
| fun testStartingCameraPositions() { | ||
| initMaps() | ||
| mapItems.forEach { item -> | ||
| item.location.assertEquals(cameraPositionStates[item.id]?.position?.target!!) | ||
| } | ||
| } | ||
|
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||
| @Test | ||
| fun testLazyColumnScrolls_MapPositionsRemain() { | ||
| initMaps() | ||
| composeTestRule.onRoot().performTouchInput { swipeUp() } | ||
| composeTestRule.waitForIdle() | ||
|
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| mapItems.forEach { item -> | ||
| item.location.assertEquals(cameraPositionStates[item.id]?.position?.target!!) | ||
| } | ||
| } | ||
|
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| @Test | ||
| fun testScrollToBottom() { | ||
| initMaps() | ||
| composeTestRule.onRoot().performTouchInput { swipeUp(durationMillis = 1000) } | ||
| composeTestRule.waitForIdle() | ||
| //We do not need to check anything on the test, just to make sure the scroll down doesnt crash | ||
| } | ||
| } |
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