| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.ui.viewinterop |
| |
| import android.os.Build |
| import android.util.DisplayMetrics |
| import android.util.TypedValue |
| import android.view.ViewGroup |
| import android.view.ViewGroup.LayoutParams.WRAP_CONTENT |
| import android.widget.FrameLayout |
| import android.widget.RelativeLayout |
| import androidx.activity.ComponentActivity |
| import androidx.compose.Recomposer |
| import androidx.compose.getValue |
| import androidx.compose.mutableStateOf |
| import androidx.compose.setValue |
| import androidx.test.espresso.Espresso |
| import androidx.test.espresso.assertion.ViewAssertions.matches |
| import androidx.test.espresso.matcher.ViewMatchers.isDisplayed |
| import androidx.test.espresso.matcher.ViewMatchers.withClassName |
| import androidx.test.filters.SdkSuppress |
| import androidx.test.filters.SmallTest |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.setContent |
| import androidx.ui.core.test.R |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.background |
| import androidx.ui.graphics.Color |
| import androidx.compose.foundation.layout.size |
| import androidx.ui.test.android.AndroidComposeTestRule |
| import androidx.ui.test.assertPixels |
| import androidx.ui.test.captureToBitmap |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.test.runOnIdle |
| import androidx.ui.test.runOnUiThread |
| import androidx.ui.unit.Dp |
| import androidx.ui.unit.IntSize |
| import androidx.ui.unit.dp |
| import com.google.common.truth.Truth.assertThat |
| import org.hamcrest.CoreMatchers.endsWith |
| import org.hamcrest.CoreMatchers.equalTo |
| import org.hamcrest.CoreMatchers.instanceOf |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import kotlin.math.roundToInt |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class ComposedViewTest { |
| @get:Rule |
| val composeTestRule = AndroidComposeTestRule<ComponentActivity>() |
| |
| @Test |
| fun androidViewWithResourceTest() { |
| composeTestRule.setContent { |
| AndroidView(R.layout.test_layout) |
| } |
| Espresso |
| .onView(instanceOf(RelativeLayout::class.java)) |
| .check(matches(isDisplayed())) |
| } |
| |
| @Test |
| fun androidViewWithViewTest() { |
| lateinit var frameLayout: FrameLayout |
| composeTestRule.activityRule.scenario.onActivity { activity -> |
| frameLayout = FrameLayout(activity).apply { |
| layoutParams = ViewGroup.LayoutParams(300, 300) |
| } |
| } |
| composeTestRule.setContent { |
| AndroidView(frameLayout) |
| } |
| Espresso |
| .onView(equalTo(frameLayout)) |
| .check(matches(isDisplayed())) |
| } |
| |
| @Test |
| fun androidViewWithResourceTest_preservesLayoutParams() { |
| composeTestRule.setContent { |
| AndroidView(R.layout.test_layout) |
| } |
| Espresso |
| .onView(withClassName(endsWith("RelativeLayout"))) |
| .check(matches(isDisplayed())) |
| .check { view, exception -> |
| if (view.layoutParams.width != 300.dp.toPx(view.context.resources.displayMetrics)) { |
| throw exception |
| } |
| if (view.layoutParams.height != WRAP_CONTENT) { |
| throw exception |
| } |
| } |
| } |
| |
| @Test |
| fun androidViewProperlyDetached() { |
| lateinit var frameLayout: FrameLayout |
| composeTestRule.activityRule.scenario.onActivity { activity -> |
| frameLayout = FrameLayout(activity).apply { |
| layoutParams = ViewGroup.LayoutParams(300, 300) |
| } |
| } |
| var emit by mutableStateOf(true) |
| composeTestRule.setContent { |
| if (emit) { |
| AndroidView(frameLayout) |
| } |
| } |
| |
| runOnUiThread { |
| assertThat(frameLayout.parent).isNotNull() |
| emit = false |
| } |
| |
| runOnIdle { |
| assertThat(frameLayout.parent).isNull() |
| } |
| } |
| |
| @Test |
| fun androidViewWithResource_modifierIsApplied() { |
| val size = 20.dp |
| composeTestRule.setContent { |
| AndroidView(R.layout.test_layout, Modifier.size(size)) |
| } |
| Espresso |
| .onView(instanceOf(RelativeLayout::class.java)) |
| .check(matches(isDisplayed())) |
| .check { view, exception -> |
| val expectedSize = size.toPx(view.context.resources.displayMetrics) |
| if (view.width != expectedSize || view.height != expectedSize) { |
| throw exception |
| } |
| } |
| } |
| |
| @Test |
| fun androidViewWithView_modifierIsApplied() { |
| val size = 20.dp |
| lateinit var frameLayout: FrameLayout |
| composeTestRule.activityRule.scenario.onActivity { activity -> |
| frameLayout = FrameLayout(activity) |
| } |
| composeTestRule.setContent { |
| AndroidView(frameLayout, Modifier.size(size)) |
| } |
| |
| Espresso |
| .onView(equalTo(frameLayout)) |
| .check(matches(isDisplayed())) |
| .check { view, exception -> |
| val expectedSize = size.toPx(view.context.resources.displayMetrics) |
| if (view.width != expectedSize || view.height != expectedSize) { |
| throw exception |
| } |
| } |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| fun androidViewWithView_drawModifierIsApplied() { |
| val size = 300 |
| lateinit var frameLayout: FrameLayout |
| composeTestRule.activityRule.scenario.onActivity { activity -> |
| frameLayout = FrameLayout(activity).apply { |
| layoutParams = ViewGroup.LayoutParams(size, size) |
| } |
| } |
| composeTestRule.setContent { |
| AndroidView(frameLayout, Modifier.testTag("view").background(color = Color.Blue)) |
| } |
| |
| onNodeWithTag("view").captureToBitmap().assertPixels(IntSize(size, size)) { |
| Color.Blue |
| } |
| } |
| |
| @Test |
| fun androidViewWithResource_modifierIsCorrectlyChanged() { |
| val size = mutableStateOf(20.dp) |
| composeTestRule.setContent { |
| AndroidView(R.layout.test_layout, Modifier.size(size.value)) |
| } |
| Espresso |
| .onView(instanceOf(RelativeLayout::class.java)) |
| .check(matches(isDisplayed())) |
| .check { view, exception -> |
| val expectedSize = size.value.toPx(view.context.resources.displayMetrics) |
| if (view.width != expectedSize || view.height != expectedSize) { |
| throw exception |
| } |
| } |
| runOnIdle { size.value = 30.dp } |
| Espresso |
| .onView(instanceOf(RelativeLayout::class.java)) |
| .check(matches(isDisplayed())) |
| .check { view, exception -> |
| val expectedSize = size.value.toPx(view.context.resources.displayMetrics) |
| if (view.width != expectedSize || view.height != expectedSize) { |
| throw exception |
| } |
| } |
| } |
| |
| @Test |
| fun androidView_notDetachedFromWindowTwice() { |
| // Should not crash. |
| composeTestRule.setContent { |
| Box { |
| emitView(::FrameLayout) { |
| it.setContent(Recomposer()) { |
| Box() |
| } |
| } |
| } |
| } |
| } |
| |
| private fun Dp.toPx(displayMetrics: DisplayMetrics) = |
| TypedValue.applyDimension( |
| TypedValue.COMPLEX_UNIT_DIP, |
| value, |
| displayMetrics |
| ).roundToInt() |
| } |